Computer numerical controller machinist jobs in Parsippany-Troy Hills, NJ

Thorlabs is pleased to play a role in advancing science through the components, instruments, and systems we design and manufacture. We believe that science and innovation have great potential to improve the world around us and are committed to advancing photonics (i.e., light-based) technologies that positively impact our customers, employees, and communities. Via educational outreach and more sustainable business practices, we continuously invest in a brighter future. We recognize that each of our employees is a unique individual with the ability to contribute to our success and seek to find great people who will thrive in our fun, fast-paced culture. Responsible for set-up and operation of CNC machines in compliance with inch and metric drawing specifications. Responsible for the proper use and maintenance of all measuring tools and devices used in inspection of all components. Works under general supervision. Although the location of the position is in Newton, NJ, from time to time it may be required to undertake duties at other Thorlabs locations. Essential Job Functions include the following, but are not limited to: * Performs set ups on various CNC Production Equipment such as milling, turning or similar operations. * Machines and/or fabricating precision tools and fixturing to tight tolerances and complex geometries based on specifications. * Solid understanding of mechanical design and dimensioning principles which includes reading blueprints and geometric tolerances comprehension. * Demonstrates a high level of knowledge in programming and overall machine operation. * Understands material properties (rates of expansion, strength, hardness) and special machining requirements. * Measures, inspects and troubleshoots dimensions of finished work pieces to ensure conformance to specifications. * Completes routine and priority tasks defined by management to ensure on time deliveries. * Performs periodic machine maintenance such as but not limited to dismantling or partly dismantling machines and performing repairs that mainly involve the use of hand tools in scraping and fitting parts. * Comply with safety regulations and maintains a clean and orderly workspace In addition to the essential functions and duties listed above, all positions are also responsible for: * Meeting company standards pertaining to quantity and quality of work performed on an ongoing basis, performing all work related tasks in a manner that is in compliance with all Company policies and procedures. * Adhering to Company policies, procedures, and directives regarding standards of workplace behavior in completing job duties and assignments. The Company retains the right to change or assign other duties to this position. Physical Activities: Must be able to lift 15lbs regularly and up to 50lbs on occasion. Qualifications Experience: * 3-5 years of experience in a similar position preferred Education: * High School Diploma or equivalent or equivalent work experience * CNC certification or CNC Trade School, a major plus Specialized Knowledge and Skills: * Experience with Haas and Fanuc controls. * Understanding of Virtual Gibbs and manual programming (G codes/M codes). * Familiar with the operation of DNC systems. * Setup Time Reduction a plus * Prototyping experience a plus * Strong sense of ownership and work ethic, written and verbal communication skills * Communication skills * Strong ability to work well in a group atmosphere, and comply with high quality standards. * Knowledge of Lean Principles including "Just in Time", and Setup Time Reduction a plus Hourly rate for this position is $24.70 - $30.90 D.O.E. Thorlabs values its diverse environment and is proud to be an Equal Employment Opportunity/Affirmative Action employer. All qualified individuals will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age or veteran status. Job descriptions are not intended as and do not create employment contracts. The organization maintains its status as an at-will employer. Employees can be terminated for any reason not prohibited by law. Thorlabs offers a complete benefits package that includes medical, dental and vision insurance, company paid life insurance, a generous PTO package, a 401(k) plan, and tuition reimbursement just to name a few..

Job Description We are seeking a skilled and detail-oriented CNC Machinist to join our team. The ideal candidate will be responsible for setting up, operating, and maintaining computer numerical control (CNC) machines to produce high-quality parts and components according to specifications. This role requires a strong understanding of machining principles, blueprint reading, and precision measurement. Responsibilities: Set up CNC machines (mills, lathes, etc.) by loading programs, adjusting machine settings, and installing appropriate tools. Operate CNC machines to perform various machining operations, including drilling, milling, turning, and boring. Monitor machine operations to detect malfunctions or deviations from specifications and make necessary adjustments. Read and interpret blueprints, technical drawings, and G-code to ensure accurate production. Perform in-process inspections using precision measuring instruments (calipers, micrometers, gauges) to verify part dimensions and quality. Troubleshoot and resolve basic machine alarms and issues. Perform routine maintenance on CNC machines to ensure optimal performance and longevity. Maintain a clean and organized work area. Adhere to all safety procedures and guidelines. Document production activities, including completed parts, machine settings, and any issues encountered. Qualifications: High school diploma or equivalent; completion of a vocational program or apprenticeship in machining is a plus. Proven experience as a CNC Machinist or similar role. Proficient in setting up and operating various CNC machines (e.g., Haas, Fanuc, Mazak controls). Strong ability to read and interpret blueprints, technical drawings, and G-code. Excellent understanding of machining principles, cutting tools, and materials. Proficient in using precision measuring instruments (calipers, micrometers, height gauges, etc.). Strong attention to detail and a commitment to producing high-quality work. Ability to troubleshoot and problem-solve effectively. Good communication and teamwork skills. Physical ability to stand for extended periods, lift moderate weight, and perform repetitive tasks. Preferred Qualifications: Experience with CAM software. Experience with specific materials (e.g., aluminum, steel, plastics, exotic alloys).

We are seeking a skilled and detail-oriented CNC Machinist to join our team. The ideal candidate will be responsible for setting up, operating, and maintaining computer numerical control (CNC) machines to produce high-quality parts and components according to specifications. This role requires a strong understanding of machining principles, blueprint reading, and precision measurement. Responsibilities: * Set up CNC machines (mills, lathes, etc.) by loading programs, adjusting machine settings, and installing appropriate tools. * Operate CNC machines to perform various machining operations, including drilling, milling, turning, and boring. * Monitor machine operations to detect malfunctions or deviations from specifications and make necessary adjustments. * Read and interpret blueprints, technical drawings, and G-code to ensure accurate production. * Perform in-process inspections using precision measuring instruments (calipers, micrometers, gauges) to verify part dimensions and quality. * Troubleshoot and resolve basic machine alarms and issues. * Perform routine maintenance on CNC machines to ensure optimal performance and longevity. * Maintain a clean and organized work area. * Adhere to all safety procedures and guidelines. * Document production activities, including completed parts, machine settings, and any issues encountered. Qualifications: * High school diploma or equivalent; completion of a vocational program or apprenticeship in machining is a plus. * Proven experience as a CNC Machinist or similar role. * Proficient in setting up and operating various CNC machines (e.g., Haas, Fanuc, Mazak controls). * Strong ability to read and interpret blueprints, technical drawings, and G-code. * Excellent understanding of machining principles, cutting tools, and materials. * Proficient in using precision measuring instruments (calipers, micrometers, height gauges, etc.). * Strong attention to detail and a commitment to producing high-quality work. * Ability to troubleshoot and problem-solve effectively. * Good communication and teamwork skills. * Physical ability to stand for extended periods, lift moderate weight, and perform repetitive tasks. Preferred Qualifications: * Experience with CAM software. * Experience with specific materials (e.g., aluminum, steel, plastics, exotic alloys).

Job DescriptionBenefits: Paid time off Job is in New Jersey. Recruiters and out of the country candidates, please don't contact this job poster. PLEASE ONLY APPLY IF YOU HAVE EXPERIENCE WITH SWISS MACHINE. Compensation based on Experienced and skills Essential job functions include: Set up and operate and maintain Tsugami Lathes Read and interpret blueprints, technical drawings, and work orders Program, adjust, and optimize Swiss screw machines for maximum efficiency Perform scheduled and regular preventive maintenance on equipment. Inspect finished products for quality and adherence to specifications Use precision measuring instruments to ensure parts meet tolerances Conduct visual and dimensional inspections using microscopes, micrometers, calipers, pin gauges, thread gauges, comparators, Micro-Hite, CMM, and vision systems. Drive problem-solving activities for complex machine or process issues. Complete and compile documentation related to quality inspection standards. Ensure proper material control, identification, and traceability for conforming and nonconforming materials. Capable of mentoring and training lower-level machinists. Utilize ERP system to document and control inspection and traceability activities. Maintain safe working conditions and follow occupational safety and health requirements, including PPE guidance. Maintain a clean and organized work area

Job Descriptionwe are hiring a CNC programmer with experience in kitchen cabinetry. This is a programming role, Youll be responsible for creating accurate CNC programs to enter the data etc. Requirements: Experience programming CNC routers for kitchen cabinets Strong attention to detail Familiarity with nested-based manufacturing Proficient in CAM software Competitive pay based on exp

We're Hiring: CNC Machinist High Bridge, NJ | 2nd Shift Available (+10% shift differential) At Trident Maritime Systems - Custom Alloy Division, we specialize in producing high-quality seamless and welded pipe, tube solutions, and custom fabrications for both defense and commercial clients. We're looking for a skilled CNC Machinist to join our team and help deliver precision parts that meet exacting standards for critical applications. This role is perfect for someone who takes pride in craftsmanship, understands machining processes, and values working in a hands-on, team-driven environment. What You'll Do * Operate CNC and manual machining equipment to produce parts to exact specifications * Upload, verify, and adjust CNC programs for optimal performance * Configure tooling, offsets, and perform minor program edits as needed * Conduct in-process inspections to ensure parts meet dimensional tolerances * Read and interpret blueprints to document and verify measurements * Maintain machines through routine care and troubleshooting * Handle materials within the shop using forklifts and other equipment * Collaborate with team members to maintain efficient workflows * Adhere to all safety protocols and company standards What We're Looking For * A willing to work 2nd shift. * High school diploma or equivalent; apprenticeship or vocational training preferred * Basic experience operating and programming CNC or manual machinery (lathes, grinders, etc.) * Strong communication skills and ability to read/interpret blueprints * Familiarity with shop math (fractions/decimals) and material properties * Competence with inspection tools (calipers, gauges, etc.) * Knowledge of part holding, deburring, and general machining practices * Safety-conscious and team-oriented Why Join Trident? When you join our team, you'll work on large-scale, custom, high-pressure projects where precision matters. Our work environment is industrial and hands-on-sometimes hot, cold, or noisy-but safety and training are always top priorities. We offer a comprehensive benefits package, including: * Cigna medical, dental & VSP vision * Flexible Spending & Health Savings Accounts (with company contributions) * 401K * Paid Time Off + 10 Paid Holidays * $200 annual safety shoe reimbursement & prescription safety glasses program * Voluntary Supplemental & Company-Paid Life Insurance * Paid training and development opportunities * Employee referral program Take pride in creating parts that keep industries and defense systems moving forward. Apply today and grow your career with Trident Maritime Systems. Trident Maritime Systems is an Equal Opportunity Employer. 2nd shift - 3:30 pm - 12 am (+10% shift differential)

Founded in 2000, CompoSecure (NYSE: CMPO) is a technology partner to market leaders, fintechs and consumers, enabling trust for millions of people around the globe. The company combines elegance, simplicity, and security to deliver exceptional experiences and peace of mind in the physical and digital world. CompoSecure's innovative payment card technology and metal cards with Arculus security and authentication capabilities deliver unique, premium branded experiences, enable people to access and use their financial and digital assets, and ensure trust at the point of a transaction. For more information, please visit ******************* and ******************* Position Overview This position is responsible to complete the necessary tasks associated with taking approved designs, drawings or specifications to reality in a finished product on CNC milling and manual milling, lathe, band saw and drill press equipment. Key Responsibilities: * Generate accurate CAD/CAM drawings and CNC programs from engineering models or technical drawings. * Specify and select proper tooling for HAAS, FADAL, and DMG-MORI CNC machining centers. * Set up and operate CNC mills, as well as manual mill, lathe, band saw, and drill press. * Perform in-house inspection of machined parts using precision measuring instruments. * Create detailed technical drawings from 2D & 3D models. * Interpret and apply geometric dimensioning and tolerancing (GD&T), symbols, and manufacturing requirements. * Install tooling, set tool offsets, establish proper work holding and set work offsets on CNC equipment. * Qualify machined dimensions on finished parts through precise measurement and inspection techniques. * Read and interpret blueprints accurately; understand machining methods and practices. * Work independently, manage time effectively, and prioritize multiple tasks and projects. * Monitor machine operation by observing and listening for issues such as tool wear or breakage. * Assist in daily production by operating assigned equipment as required. Other Important Responsibilities: * Must be able to operate assigned equipment safely and efficiently; * Have a strong work ethic and the ability to work cooperatively; * Good organizational and communication skills; * Must be able to keep record of time spent and materials used; * Timely Corrective Action response and resolution to relevant situations; * Engage and support companywide Safety and Cleanliness programs; * Must speak English; * Other miscellaneous duties as assigned Qualifications: * Proven experience as a CNC Machinist / Programmer in a manufacturing environment. * Proficiency in CAD/CAM software (e.g., Surfcam, Autocad, Solidworks, Esprit, Mastercam, or equivalent). * Hands-on experience with HAAS, FADAL, and DMG-MORI 3 and 4 axis CNC machines. * Strong understanding of blueprint reading, GD&T, G Code, M Code and machining / Setup practices. * Good working knowledge and understanding of tooling and proper usage, as well as speed & feed calculation. Materials - Aluminum, Stainless, Plastics, and Steel. * Ability to use precision measuring instruments (micrometers, calipers, indicators, CMM etc.). * Excellent problem-solving skills and mechanical aptitude. * Ability to work independently with minimal supervision. * Strong organizational and time management skills Preferred Qualifications: * Formal training in CNC machining or related technical field. * Experience in both prototype and production machining environments. * Familiarity with ISO quality standards is a plus Physical qualifications and work environment: * Must be able to lift 50 lbs; * Must be able to sustain physical work for 8+ hours per day including the following: * Standing for 8+ hours per day * Reaching and pulling * Sight * Walking through shop * Bending, climbing and crouching. * Shop noise levels are such that protective ear-coverings are recommended. * Short notice, overtime and some weekend demand according to production needs. At CompoSecure, we believe in supporting our employees with a comprehensive benefits package that promotes health, financial well-being, and work-life balance. Our full-time team members enjoy access to: * Medical, Dental & Vision Coverage * Flexible Spending Accounts (FSA) * Company-Paid Life and Disability Insurance * 401(k) with Company Match * Paid Time Off & Paid Holidays * Annual Bonus Opportunities * Employee Assistance Program (EAP) * Career Advancement Opportunities Benefits eligibility and details will be shared during the hiring process. We're excited to support you in building a rewarding career with us. Please note: CompoSecure does not accept unsolicited resumes from staffing agencies or third-party recruiters. Any unsolicited resumes sent to CompoSecure, including to our employees, will become the property of CompoSecure and may be used without any obligation to pay referral or placement fees. Any agency or recruiter seeking to work with CompoSecure's Talent Acquisition Team should contact our team directly by sending an email to **************************. CompoSecure is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or national origin. We are also an equal opportunity employer of individuals with disabilities and protected veterans.

Job Description Inrad Optics, a Luxium Solutions company, is currently seeking enthusiastic individuals to add to our manufacturing team. We are looking for someone who can set up, operate, calibrate, and maintain CNC machinery for the purposes of machining some of the best custom optics in the industry. If you are focused, with a keen attention to detail, then you may be an excellent candidate for one of our career-building positions manufacturing precision optics for medical, defense and space applications. Key responsibilities Perform close tolerance machining operations utilizing specialized machining equipment. Perform set ups, measure and inspect work and maintain machines. Includes use of calipers, micrometers and other measuring tools. Interpret and follow complex blueprints, operating instructions and optical criteria. Maintain product and machine logbooks detailing operating parameters, set ups and throughput. Set up, operate, and troubleshoot processes. Ensure equipment and tool maintenance needs are performed. Consult with manufacturing supervision to solve problems and improve efficiency. Maintain clean and orderly work station and area. Perform other manufacturing tasks in various department as assigned. Requirements Keen attention to detail, thorough in completing work tasks and checking for accuracy along the way Effective oral and written communication skills Ability to lift 20-40 pounds High School Diploma or equivalent work experience CNC certification or CNC Trade School, a major plus Prototyping experience a plus Must be a U.S. Citizen or Permanent Resident as we are a United States controlled information facility Candidates must complete a basic skills assessment Benefits Monday-Friday Schedule Paid Time Off available on day one (pro-rated for new hires) Medical/Dental/Vision/Prescriptions available on day one Employer Paid Life Insurance and AD&D Short/Long Term Disability HSA/FSA EAP 401(k) & company match

* Job Type: Support Staff - Non-Union * Regular/Temporary: Regular * Hours Per Week: 35 * Salary Range: $73,000 to $80,000 The salary of the finalist selected for this role will be set based on a variety of factors, including but not limited to departmental budgets, qualifications, experience, education, licenses, specialty, and training. The above hiring range represents the University's good faith and reasonable estimate of the range of possible compensation at the time of posting. Position Summary We are seeking a Senior Machinist Technician for the Department of Mechanical Engineering in the Fu Foundation School of Engineering and Applied Science (SEAS). This position is primarily responsible for the operation of and instruction within the mechanical engineering teaching laboratory's machine shop. Reporting to the Manager of Instructional Laboratories, the incumbent is responsible for the machining needs of the space, including instructing students on the proper use of equipment, operating and maintaining fabrication equipment (CNC mills, CNC lathes, bandsaws, grinders, etc.), and providing consultations for advanced machining techniques and CAM programming. The incumbent also assists with setting up laboratory experiments, performing maintenance on laboratory equipment and machine tools, instructing students on the operation of laboratory equipment, taking inventory, and other tasks required for the day-to-day operation of the laboratory, with a focus on the machine shop. The incumbent maintains and operates machining equipment and other mechanical and electrical instrumentation. The Senior Machinist Technician should be willing to operate equipment such as conventional and CNC machine tools, CAM programs, wind tunnels, material testing systems, hardness testers, and other similar systems. The incumbent will also interface with student clubs in the design and manufacturing of club projects and may be called upon to chaperone student clubs in testing. Responsibilities * Training and instructing students on proper machining methods and safety in the machine shop, as well as operating and maintaining fabrication equipment. * Performing and supervising machining operations for undergraduate students and graduate research, including advanced machining processes. * Maintaining and operating laboratory and shop equipment, including CNC mills, CNC lathes, laser cutters, 3D printers, mechanical and electronic instrumentation, and computers interfacing with instrumentation/equipment. * Providing assistance for students in the design and implementation of research projects, including holding machining and CAM consultations for student projects. * Interfacing with student clubs regarding project design and testing supervision. * Setting up and providing support for experiments, and performing maintenance to ensure the effective operation of laboratory equipment. * Maintaining machine shop inventories and ordering replacement supplies, as well as coordinating billing for shop materials. * Performs other tasks, duties, and responsibilities as assigned. Minimum Qualifications * Minimum three (3) years of experience in a research environment or other general experience working in a "hands-on" laboratory or shop environment. * Machining and teaching/mentoring experience. * Bachelor's degree in a related field, including mechanical engineering. * Preferred: Certifications and/or completed courses on Fusion or SolidWorks, advanced machining, or related topics preferred. Equal Opportunity Employer / Disability / Veteran Columbia University is committed to the hiring of qualified local residents.

Prototype Machinist - LiquidPiston Department: Machine Shop Employment Type: Hourly About LiquidPiston: LiquidPiston is developing advanced rotary engine technologies that redefine what is possible in power generation and propulsion. Our team designs and builds cutting-edge prototypes that push the boundaries of efficiency, performance, and size. We are seeking a highly skilled Prototype Machinist to support our rapid development and testing initiatives. Position Summary: The Prototype Machinist will be responsible for machining precision components for engine prototypes and test fixtures. This role requires strong CNC programming and machining experience, exceptional attention to detail, and the ability to work in a fast-paced R&D environment. The ideal candidate is hands-on, self-driven, and comfortable working with both CNC and manual equipment. Key Responsibilities * Program, set up, and operate CNC milling machines and lathes, with an emphasis on multi-axis milling. * Utilize Haas and Fanuc controls to execute complex machining operations. * Create and optimize machining programs using MasterCam (preferred). * Produce high-precision prototype components from engineering drawings, 3D models, and sketches. * Inspect parts to ensure dimensional accuracy and quality standards are met. * Operate manual machine tools, including: * Surface grinder * Bridgeport mill * Manual lathe * Collaborate closely with engineers, designers, and technicians to refine prototype designs. * Maintain a safe, clean, and efficient work environment. * Assist in developing machining processes, tooling selections, and fixture designs for prototype builds. Required Qualifications * Proficiency operating and programming CNC mills and lathes; experience with multi-axis milling strongly preferred. * Strong working knowledge of Haas and Fanuc controls. * Experience programming and tool-pathing using MasterCam (preferred but not required). * Demonstrated ability to operate manual machine tools (surface grinder, Bridgeport, manual lathe). * Ability to read and interpret complex mechanical drawings and GD&T. * Strong problem-solving skills and the ability to work independently on prototype projects. * High attention to detail and commitment to quality. Benefits & Perks * PTO: We value work-life balance and encourage time to rest and recharge. Our benefits include 3 weeks of PTO (which covers vacation and sick time) plus 10 paid holidays. * Health & Wellness: Comprehensive medical and voluntary dental, and vision coverage - you choose what works best for you. * Equity Participation: Employes may receive RSUs (Restricted Stock Units). * 401(k) Match: We offer a 401k w/100% matching up to 3% of your salary and then 50% of contributions between 3-5% after 1 year of employment. * Career Growth: Ongoing training, mentorship, and learning opportunities to accelerate your growth. Our Culture At LiquidPiston, we embrace challenges, move fast, and celebrate curiosity. Our team thrives on collaboration, creativity, and perseverance. We understand that innovation involves risk-and we're not afraid to fail as we move forward. Equal Opportunity Employer LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. Qualified applicants will not be discriminated against, and receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, or protected veteran status or disability. All offers of employment at LiquidPiston are contingent upon successful completion of a pre-employment background check and drug screening.

Job Description Job Title: Machinist 3 Department: 1007 - Machining The Level 3 Machinist is responsible for complex machining tasks, including advanced programming, setup, and operation of CNC and manual machines. This role requires a high level of expertise in machining processes, problem-solving skills, and the ability to mentor junior machinists. Responsibilities Operate and program CNC and manual machining equipment to produce high-precision parts according to detailed specifications. Perform advanced troubleshooting and maintenance on machines to ensure optimal performance and minimize downtime. Develop and optimize machining programs for complex parts, ensuring efficiency and accuracy. Configure tooling and offsets accurately, including setup and adjustments for new and existing jobs. Conduct comprehensive in-process and final inspections, measuring and validating part features against stringent tolerances and specifications provided by customers. Ensure parts meet Engineering Specifications outlined in blueprints and document all dimensions accurately. Utilize advanced precision tools and instruments, such as micrometers and CMMs, for precise measurements. Lead and adhere to all safety regulations and company policies, promoting a culture of safety within the team. Maintain detailed records of production, quality assurance activities, and machine maintenance logs. Mentor and train junior machinists, providing guidance on best practices and troubleshooting techniques. Collaborate closely with engineering and production teams to ensure efficient workflow and resolve complex issues promptly. Oversee material handling within the shop, including the use of forklifts and other material handling equipment. Implement continuous improvement initiatives to enhance machining processes and reduce waste. Qualifications Advanced proficiency in shop math, including trigonometry and geometric dimensioning and tolerancing (GD&T). Extensive knowledge of metal properties and other materials used in machining. Expertise in the use of inspection tools and their proper application. In-depth knowledge of hand tools, mechanical applications, part holding, and deburr methods and tools. Proficiency in interacting with computers and CNC controls at an advanced level. Familiarity with advanced safety protocols and practices, with a commitment to maintaining a safe working environment. Strong verbal and written communication skills. Exceptional problem-solving abilities and attention to detail. Education and/or Experience High school diploma or equivalent. Preferred apprenticeship or vocational training. Minimum of 5 years of experience in machining, including advanced CNC programming and operation. Experience in operating and programming manual, semi-automated, or automated tools and machinery (e.g., lathes, grinders). Previous experience in a leadership or mentoring role is advantageous. Physical Demands The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to use hands and fingers to handle or feel and talk or hear. The employee is frequently required to sit. The employee is occasionally required to walk; reach with hands and arms and stoop, kneel, crouch, or crawl. The employee is occasionally required to lift up to 100 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception and ability to adjust focus. Work Environment The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. The noise level in the work environment can vary. Trident Maritime Systems is an EEO/AA employer that offers a comprehensive compensation package and opportunities for growth. As a government contractor, we adhere to regulations including the need for U.S. citizenship for certain positions. Offers of employment are contingent on and not considered finalized until the required background check and drug test has been performed and the results received and have been accessed. About Trident Maritime Systems - Custom Alloy Division Trident Maritime Systems is a global leader in providing innovative solutions for maritime and defense industries. Our Custom Alloy division in High Bridge, NJ, specializes in manufacturing high-quality seamless and welded pipe and tube solutions, as well as custom fabrications for critical applications. We serve government and commercial clients. For government, we work on military and defense contracts requiring precision and reliability. For commercial clients, we provide custom-engineered solutions across various industries. This dual focus allows us to take on diverse, high-pressure projects. Unlike mass production facilities, we create large, custom fittings tailored to specific needs. Our plant features large machines for heavy-duty work in a traditional manufacturing environment. It can be hot, cold, or dirty, but we prioritize safety and provide tools and training to ensure success. Trident Maritime Systems offers a comprehensive benefit package which includes: Cigna medical, dental; VSP vision. Flexible Spending Account & Health Savings Account (with company contributions) 401K Paid Time Off 10 Paid Holidays Safety shoe reimbursement, $200 per year Prescription safety glasses program Voluntary Supplemental Insurance Company Paid Life Insurance Voluntary Life Insurance Paid training and development opportunities Employee referral program 2nd shift - 3:30pm - 12am (+10% shift differential)

Full-time Description Seeking a highly skilled Machinist for precision manufacturing, including setup, operation, and programming of CNC machines. The ideal candidate will leverage 3 axis, 3 + 2 axis, and full 5 axis machining to optimize production, troubleshoot complex machining issues, and ensure top-quality parts. Role includes maintaining machinery, collaborating with engineering, and driving manufacturing excellence. Requirements Program, set up, and operate CNC machines using CAM software to produce precision components. Develop and refine machining processes in collaboration with engineering to maximize efficiency and quality. Fabricate, modify, and repair machinery and parts with precision, ensuring strict adherence to specifications and tolerances. Troubleshoot machining issues, perform routine maintenance, and oversee quality control. Maintain a clean, organized, and safe shop environment. Collaborate with engineering to translate technical drawings into optimized CNC programs Create and maintain set up sheets and other documentation related to CNC programs. Qualifications: Proven mastery in CNC machining with extensive CAM programming experience Demonstrated ability to interpret complex drawings and hold tight tolerances. Deep understanding of milling, turning, grinding, and tooling setup. Strong problem-solving skills and the ability to work independently. Excellent organizational skills and attention to detail. Effective communicator with strong interpersonal skills. Fluency in English (reading, writing, speaking). Experience with HSMWorks/Fusion360 and Solidworks preferred. Strong Computer literacy, including proficiency with CAM Software, Manufacturing databases and standard office applications (MS Office) Education & Experience: High school diploma or equivalent required. Technical training, apprenticeship, or equivalent experience preferred. Minimum 3 years' experience in CNC machining and CAM programming. Working Conditions: Exposure to moving mechanical parts, airborne particles, and moderate noise levels. Ability to work safely in a dynamic shop environment. Physical Requirements: Ability to lift-up to 50 lbs. and perform physical tasks including standing, walking, bending, and kneeling. Dexterity to operate tools, measurement devices, and perform detailed machining tasks Pay: $28.00 - $36.00/ hour Benefits: Eligible after 1st day: Paid holidays Employee Assistance Program Eligible after 90-day probation period: Medical, Dental, Vision, Basic Life/AD&D Insurance, Voluntary Term Life/AD&D Insurance Health Savings Account (HSA), Flexible Spending Account (FSA), Dependent Care Account, Commuter Transportation Management Account Vacation time Sick time Eligible after 1 year of service: 401(k) with Employer Match Potential for discretionary bonus The final pay offered to a successful candidate will be dependent on several factors that may include but are not limited to the type and years of experience within the job, the type of years and experience within the industry, education, etc. We're proud to be an equal opportunity employer. This means we actively pursue ways to celebrate our differences and don't discriminate based on an individual's race (including traits historically associated with race, such as hair texture, hair type, and protective hairstyles including braids, locks, and twists), creed, national origin, nationality, religion, ancestry, age (40 or over), sex (including pregnancy), familial status, marital status, civil union or domestic partnership status, affectional or sexual orientation, gender identity or expression, mental or physical disability (including perceived disability, AIDS, and HIV status), atypical hereditary cellular or blood trait, genetic information, because of liability for service in military, status as a smoker or non-smoker, status as a registered medical marijuana user, or any unlawful criterion existing under applicable federal, state, or local laws. If you need assistance or an accommodation due to a disability, contact us at **********************.

Thorlabs is pleased to play a role in advancing science through the components, instruments, and systems we design and manufacture. We believe that science and innovation have great potential to improve the world around us and are committed to advancing photonics (i.e., light-based) technologies that positively impact our customers, employees, and communities. Via educational outreach and more sustainable business practices, we continuously invest in a brighter future. We recognize that each of our employees is a unique individual with the ability to contribute to our success and seek to find great people who will thrive in our fun, fast-paced culture. Responsible for set-up and operation of CNC machines in compliance with inch and metric drawing specifications. Responsible for the proper use and maintenance of all measuring tools and devices used in inspection of all components. Works under general supervision. Although the location of the position is in Newton, NJ, from time to time it may be required to undertake duties at other Thorlabs locations. The hours for this position are Monday - Friday, 5:45a.m. - 2:15p.m. with overtime available Essential Job Functions include the following, but are not limited to: Performs set ups on various CNC Production Equipment such as milling, turning or similar operations. Machines and/or fabricating precision tools and fixturing to tight tolerances and complex geometries based on specifications. Solid understanding of mechanical design and dimensioning principles which includes reading blueprints and geometric tolerances comprehension. Demonstrates a high level of knowledge in programming and overall machine operation. Understands material properties (rates of expansion, strength, hardness) and special machining requirements. Measures, inspects and troubleshoots dimensions of finished work pieces to ensure conformance to specifications. Completes routine and priority tasks defined by management to ensure on time deliveries. Performs periodic machine maintenance such as but not limited to dismantling or partly dismantling machines and performing repairs that mainly involve the use of hand tools in scraping and fitting parts. Comply with safety regulations and maintains a clean and orderly workspace In addition to the essential functions and duties listed above, all positions are also responsible for: Meeting company standards pertaining to quantity and quality of work performed on an ongoing basis, performing all work related tasks in a manner that is in compliance with all Company policies and procedures. Adhering to Company policies, procedures, and directives regarding standards of workplace behavior in completing job duties and assignments. The Company retains the right to change or assign other duties to this position. Physical Activities: Must be able to lift 15lbs regularly and up to 50lbs on occasion. Requirements Experience: 3-5 years of experience in a similar position preferred Education: High School Diploma or equivalent or equivalent work experience CNC certification or CNC Trade School, a major plus Specialized Knowledge and Skills: Experience with Haas and Fanuc controls. Understanding of Virtual Gibbs and manual programming (G codes/M codes). Familiar with the operation of DNC systems. Setup Time Reduction a plus Prototyping experience a plus Strong sense of ownership and work ethic, written and verbal communication skills Communication skills Strong ability to work well in a group atmosphere, and comply with high quality standards. Knowledge of Lean Principles including “Just in Time”, and Setup Time Reduction a plus Hourly rate for this position is $24.70 - $30.90 d.o.e. Thorlabs values its diverse environment and is proud to be an Equal Employment Opportunity/Affirmative Action employer. All qualified individuals will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age or veteran status. Job descriptions are not intended as and do not create employment contracts. The organization maintains its status as an at-will employer. Employees can be terminated for any reason not prohibited by law. Benefits Thorlabs offers a complete benefits package that includes medical, dental and vision insurance, company paid life insurance, a generous PTO package, a 401(k) plan, and tuition reimbursement just to name a few..

We are seeking a skilled and detail-oriented CNC Machinist to join our team. The ideal candidate will be responsible for setting up, operating, and maintaining computer numerical control (CNC) machines to produce high-quality parts and components according to specifications. This role requires a strong understanding of machining principles, blueprint reading, and precision measurement. Responsibilities: * Set up CNC machines (mills, lathes, etc.) by loading programs, adjusting machine settings, and installing appropriate tools. * Operate CNC machines to perform various machining operations, including drilling, milling, turning, and boring. * Monitor machine operations to detect malfunctions or deviations from specifications and make necessary adjustments. * Read and interpret blueprints, technical drawings, and G-code to ensure accurate production. * Perform in-process inspections using precision measuring instruments (calipers, micrometers, gauges) to verify part dimensions and quality. * Troubleshoot and resolve basic machine alarms and issues. * Perform routine maintenance on CNC machines to ensure optimal performance and longevity. * Maintain a clean and organized work area. * Adhere to all safety procedures and guidelines. * Document production activities, including completed parts, machine settings, and any issues encountered. Qualifications: * High school diploma or equivalent; completion of a vocational program or apprenticeship in machining is a plus. * Proven experience as a CNC Machinist or similar role. * Proficient in setting up and operating various CNC machines (e.g., Haas, Fanuc, Mazak controls). * Strong ability to read and interpret blueprints, technical drawings, and G-code. * Excellent understanding of machining principles, cutting tools, and materials. * Proficient in using precision measuring instruments (calipers, micrometers, height gauges, etc.). * Strong attention to detail and a commitment to producing high-quality work. * Ability to troubleshoot and problem-solve effectively. * Good communication and teamwork skills. * Physical ability to stand for extended periods, lift moderate weight, and perform repetitive tasks. Preferred Qualifications: * Experience with CAM software. * Experience with specific materials (e.g., aluminum, steel, plastics, exotic alloys).

Job Description We are seeking a skilled and detail-oriented CNC Machinist to join our team. The ideal candidate will be responsible for setting up, operating, and maintaining computer numerical control (CNC) machines to produce high-quality parts and components according to specifications. This role requires a strong understanding of machining principles, blueprint reading, and precision measurement. Responsibilities: Set up CNC machines (mills, lathes, etc.) by loading programs, adjusting machine settings, and installing appropriate tools. Operate CNC machines to perform various machining operations, including drilling, milling, turning, and boring. Monitor machine operations to detect malfunctions or deviations from specifications and make necessary adjustments. Read and interpret blueprints, technical drawings, and G-code to ensure accurate production. Perform in-process inspections using precision measuring instruments (calipers, micrometers, gauges) to verify part dimensions and quality. Troubleshoot and resolve basic machine alarms and issues. Perform routine maintenance on CNC machines to ensure optimal performance and longevity. Maintain a clean and organized work area. Adhere to all safety procedures and guidelines. Document production activities, including completed parts, machine settings, and any issues encountered. Qualifications: High school diploma or equivalent; completion of a vocational program or apprenticeship in machining is a plus. Proven experience as a CNC Machinist or similar role. Proficient in setting up and operating various CNC machines (e.g., Haas, Fanuc, Mazak controls). Strong ability to read and interpret blueprints, technical drawings, and G-code. Excellent understanding of machining principles, cutting tools, and materials. Proficient in using precision measuring instruments (calipers, micrometers, height gauges, etc.). Strong attention to detail and a commitment to producing high-quality work. Ability to troubleshoot and problem-solve effectively. Good communication and teamwork skills. Physical ability to stand for extended periods, lift moderate weight, and perform repetitive tasks. Preferred Qualifications: Experience with CAM software. Experience with specific materials (e.g., aluminum, steel, plastics, exotic alloys).

Job Description Founded in 2000, CompoSecure (NYSE: CMPO) is a technology partner to market leaders, fintechs and consumers, enabling trust for millions of people around the globe. The company combines elegance, simplicity, and security to deliver exceptional experiences and peace of mind in the physical and digital world. CompoSecure's innovative payment card technology and metal cards with Arculus security and authentication capabilities deliver unique, premium branded experiences, enable people to access and use their financial and digital assets, and ensure trust at the point of a transaction. For more information, please visit ******************* and ******************* Position Overview This position is responsible to complete the necessary tasks associated with taking approved designs, drawings or specifications to reality in a finished product on CNC milling and manual milling, lathe, band saw and drill press equipment. Key Responsibilities: Generate accurate CAD/CAM drawings and CNC programs from engineering models or technical drawings. Specify and select proper tooling for HAAS, FADAL, and DMG-MORI CNC machining centers. Set up and operate CNC mills, as well as manual mill, lathe, band saw, and drill press. Perform in-house inspection of machined parts using precision measuring instruments. Create detailed technical drawings from 2D & 3D models. Interpret and apply geometric dimensioning and tolerancing (GD&T), symbols, and manufacturing requirements. Install tooling, set tool offsets, establish proper work holding and set work offsets on CNC equipment. Qualify machined dimensions on finished parts through precise measurement and inspection techniques. Read and interpret blueprints accurately; understand machining methods and practices. Work independently, manage time effectively, and prioritize multiple tasks and projects. Monitor machine operation by observing and listening for issues such as tool wear or breakage. Assist in daily production by operating assigned equipment as required. Other Important Responsibilities: Must be able to operate assigned equipment safely and efficiently; Have a strong work ethic and the ability to work cooperatively; Good organizational and communication skills; Must be able to keep record of time spent and materials used; Timely Corrective Action response and resolution to relevant situations; Engage and support companywide Safety and Cleanliness programs; Must speak English; Other miscellaneous duties as assigned Qualifications: Proven experience as a CNC Machinist / Programmer in a manufacturing environment. Proficiency in CAD/CAM software (e.g., Surfcam, Autocad, Solidworks, Esprit, Mastercam, or equivalent). Hands-on experience with HAAS, FADAL, and DMG-MORI 3 and 4 axis CNC machines. Strong understanding of blueprint reading, GD&T, G Code, M Code and machining / Setup practices. Good working knowledge and understanding of tooling and proper usage, as well as speed & feed calculation. Materials - Aluminum, Stainless, Plastics, and Steel. Ability to use precision measuring instruments (micrometers, calipers, indicators, CMM etc.). Excellent problem-solving skills and mechanical aptitude. Ability to work independently with minimal supervision. Strong organizational and time management skills Preferred Qualifications: Formal training in CNC machining or related technical field. Experience in both prototype and production machining environments. Familiarity with ISO quality standards is a plus Physical qualifications and work environment: Must be able to lift 50 lbs; Must be able to sustain physical work for 8+ hours per day including the following: Standing for 8+ hours per day Reaching and pulling Sight Walking through shop Bending, climbing and crouching. Shop noise levels are such that protective ear-coverings are recommended. Short notice, overtime and some weekend demand according to production needs. At CompoSecure, we believe in supporting our employees with a comprehensive benefits package that promotes health, financial well-being, and work-life balance. Our full-time team members enjoy access to: Medical, Dental & Vision Coverage Flexible Spending Accounts (FSA) Company-Paid Life and Disability Insurance 401(k) with Company Match Paid Time Off & Paid Holidays Annual Bonus Opportunities Employee Assistance Program (EAP) Career Advancement Opportunities Benefits eligibility and details will be shared during the hiring process. We're excited to support you in building a rewarding career with us. Please note: CompoSecure does not accept unsolicited resumes from staffing agencies or third-party recruiters. Any unsolicited resumes sent to CompoSecure, including to our employees, will become the property of CompoSecure and may be used without any obligation to pay referral or placement fees. Any agency or recruiter seeking to work with CompoSecure's Talent Acquisition Team should contact our team directly by sending an email to **************************. CompoSecure is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or national origin. We are also an equal opportunity employer of individuals with disabilities and protected veterans.

Job DescriptionBenefits: Company parties Competitive salary Paid time off We are hiring someone experienced with Mosaic, Cabinet Vision, or similar cabinet software to enter jobs, create detailed cabinet layouts, and generate accurate CNC files. This role requires someone extremely organized, detail focused. Responsibilities Enter cabinet orders into Mosaic / Cabinet Vision with high accuracy Create detailed cut lists, and CNC machining files Ensure ALL cabinet parts, holes, dados, toe kicks, shelves, and hardware placements are correct Prepare and organize files for CNC cutting (nesting, optimization, labeling) Double-check every job to prevent errors before sending to production Communicate with production team to verify details and resolve issues Requirements Experience with Mosaic, Cabinet Vision, or similar software (required) Strong understanding of cabinet construction and CNC machining Very organized and extremely detail-oriented Ability to follow specs exactly and verify measurements

Job Title: Machinist 3 Department: 1007 - Machining The Level 3 Machinist is responsible for complex machining tasks, including advanced programming, setup, and operation of CNC and manual machines. This role requires a high level of expertise in machining processes, problem-solving skills, and the ability to mentor junior machinists. Responsibilities Operate and program CNC and manual machining equipment to produce high-precision parts according to detailed specifications. Perform advanced troubleshooting and maintenance on machines to ensure optimal performance and minimize downtime. Develop and optimize machining programs for complex parts, ensuring efficiency and accuracy. Configure tooling and offsets accurately, including setup and adjustments for new and existing jobs. Conduct comprehensive in-process and final inspections, measuring and validating part features against stringent tolerances and specifications provided by customers. Ensure parts meet Engineering Specifications outlined in blueprints and document all dimensions accurately. Utilize advanced precision tools and instruments, such as micrometers and CMMs, for precise measurements. Lead and adhere to all safety regulations and company policies, promoting a culture of safety within the team. Maintain detailed records of production, quality assurance activities, and machine maintenance logs. Mentor and train junior machinists, providing guidance on best practices and troubleshooting techniques. Collaborate closely with engineering and production teams to ensure efficient workflow and resolve complex issues promptly. Oversee material handling within the shop, including the use of forklifts and other material handling equipment. Implement continuous improvement initiatives to enhance machining processes and reduce waste. Qualifications Advanced proficiency in shop math, including trigonometry and geometric dimensioning and tolerancing (GD&T). Extensive knowledge of metal properties and other materials used in machining. Expertise in the use of inspection tools and their proper application. In-depth knowledge of hand tools, mechanical applications, part holding, and deburr methods and tools. Proficiency in interacting with computers and CNC controls at an advanced level. Familiarity with advanced safety protocols and practices, with a commitment to maintaining a safe working environment. Strong verbal and written communication skills. Exceptional problem-solving abilities and attention to detail. Education and/or Experience High school diploma or equivalent. Preferred apprenticeship or vocational training. Minimum of 5 years of experience in machining, including advanced CNC programming and operation. Experience in operating and programming manual, semi-automated, or automated tools and machinery (e.g., lathes, grinders). Previous experience in a leadership or mentoring role is advantageous. Physical Demands The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to use hands and fingers to handle or feel and talk or hear. The employee is frequently required to sit. The employee is occasionally required to walk; reach with hands and arms and stoop, kneel, crouch, or crawl. The employee is occasionally required to lift up to 100 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception and ability to adjust focus. Work Environment The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. The noise level in the work environment can vary. Trident Maritime Systems is an EEO/AA employer that offers a comprehensive compensation package and opportunities for growth. As a government contractor, we adhere to regulations including the need for U.S. citizenship for certain positions. Offers of employment are contingent on and not considered finalized until the required background check and drug test has been performed and the results received and have been accessed. About Trident Maritime Systems - Custom Alloy Division Trident Maritime Systems is a global leader in providing innovative solutions for maritime and defense industries. Our Custom Alloy division in High Bridge, NJ, specializes in manufacturing high-quality seamless and welded pipe and tube solutions, as well as custom fabrications for critical applications. We serve government and commercial clients. For government, we work on military and defense contracts requiring precision and reliability. For commercial clients, we provide custom-engineered solutions across various industries. This dual focus allows us to take on diverse, high-pressure projects. Unlike mass production facilities, we create large, custom fittings tailored to specific needs. Our plant features large machines for heavy-duty work in a traditional manufacturing environment. It can be hot, cold, or dirty, but we prioritize safety and provide tools and training to ensure success. Trident Maritime Systems offers a comprehensive benefit package which includes: Cigna medical, dental; VSP vision. Flexible Spending Account & Health Savings Account (with company contributions) 401K Paid Time Off 10 Paid Holidays Safety shoe reimbursement, $200 per year Prescription safety glasses program Voluntary Supplemental Insurance Company Paid Life Insurance Voluntary Life Insurance Paid training and development opportunities Employee referral program 2nd shift - 3:30pm - 12am (+10% shift differential)

Job Description Job Title: Machinist 2 Department: 1007 - Machining The Level 2 Machinist is responsible for operating and maintaining machining equipment to produce high-quality parts that meet customer specifications. This role requires advanced competencies in shop math, inspection tools, machine maintenance, and a strong understanding of machining processes and safety protocols. Responsibilities Operate CNC and manual machining equipment to produce parts according to specifications. Perform routine maintenance on machines, ensuring optimal performance and longevity. Upload programs to control panels and verify settings Perform minor program adjustments for speed, feed, and cutting depth. Configure tooling and offsets accurately. Perform in-process inspections, measuring and validating part features against dimensional tolerances and specifications provided by customers. Ensure parts adhere to Engineering Specifications outlined in blueprints and document all dimensions. Ability to utilize precision tools like calipers for precise measurements. Adhere to all safety regulations and company policies. Maintain accurate records of production and quality assurance activities. Strong verbal and written communication skills. Collaborate with team members to ensure efficient workflow and resolve issues promptly. Use a forklift for material handling within the shop. Measure materials to ensure compatibility with available stock for machining. Qualifications Strong verbal and written communication skills. An introductory competence in shop math such as working with fractions and decimals. A basic knowledge metal properties and other materials. A basic knowledge of inspection tools and their proper use. A basic knowledge of hand tools and mechanical application regarding nuts and bolts. A basic knowledge of part holding and deburr methods and tools. The ability to interact with computers and CNC controls at a basic level. Familiarity with safety protocols and practices. Education and/or Experience High school diploma or equivalent. Preferred apprenticeship or vocational training. Basic experience in operating and programming manual, semi-automated, or automated tools and machinery (e.g., lathes, grinders). Schedule 2nd shift (3:30pm - 12am +10% shift differential) Physical Demands The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to use hands and fingers to handle or feel and talk or hear. The employee is frequently required to sit. The employee is occasionally required to walk; reach with hands and arms and stoop, kneel, crouch, or crawl. The employee is occasionally required to lift up to 100 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception and ability to adjust focus. Work Environment The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. The noise level in the work environment can vary. Trident Maritime Systems is an EEO/AA employer that offers a comprehensive compensation package and opportunities for growth. As a government contractor, we adhere to regulations including the need for U.S. citizenship for certain positions. Offers of employment are contingent on and not considered finalized until the required background check and drug test has been performed and the results received and have been accessed. About Trident Maritime Systems - Custom Alloy Division Trident Maritime Systems is a global leader in providing innovative solutions for maritime and defense industries. Our Custom Alloy division in High Bridge, NJ, specializes in manufacturing high-quality seamless and welded pipe and tube solutions, as well as custom fabrications for critical applications. We serve government and commercial clients. For government, we work on military and defense contracts requiring precision and reliability. For commercial clients, we provide custom-engineered solutions across various industries. This dual focus allows us to take on diverse, high-pressure projects. Unlike mass production facilities, we create large, custom fittings tailored to specific needs. Our plant features large machines for heavy-duty work in a traditional manufacturing environment. It can be hot, cold, or dirty, but we prioritize safety and provide tools and training to ensure success. Trident Maritime Systems offers a comprehensive benefit package which includes: Cigna medical, dental; VSP vision. Flexible Spending Account & Health Savings Account (with company contributions) 401K Paid Time Off 10 Paid Holidays Safety shoe reimbursement, $200 per year Prescription safety glasses program Voluntary Supplemental Insurance Company Paid Life Insurance Voluntary Life Insurance Paid training and development opportunities Employee referral program 2nd shift - 3:30pm - 12am (+10% shift differential)