Engineering Consulting Services jobs in Chantilly, VA

Responsibilities Engineering Consulting Services (ECS) is seeking an experienced Senior Project Manager to join our team. This role is responsible to ensure that all required tasks on a project from proposal to final invoice payment are completed either by themselves or by subordinates. The Senior Project Manager is primarily responsible for the completion and overall success of the project. Senior Project Manager will act as the main point of contact for the client on their projects. The ideal candidate presents a positive customer service attitude and understanding of ECS Core Values. Key Responsibilities * Progressive learning about field sampling of various media while working both indoors and outdoors. * Daily communication with other ECS staff, project managers, and jobsite representatives. * Interface with contractors and other site personnel on project sites daily. * Attend project meetings with senior staff as requested. * Understanding of relevant field sampling techniques, sample collection, and analytical result reporting. * Calibration and use of sampling equipment, and documentation of results. * Additional duties may include report production, daily field reporting, and other related tasks. * Perform asbestos, lead-based paint, mold and indoor air quality assessments. Perform air and bulk media sampling. Monitor remediation and abatement of contaminated or hazardous building materials. * Obtain relevant certifications as required to perform specific job duties. * Conduct assessments for soil and groundwater. Other duties as assigned. * Other duties as assigned. Qualifications Qualifications * Bachelor and/or Master of Science in Civil Engineering, Environmental Engineering, or other Engineering degree applicable to Environmental Consulting, Natural or Environmental Science, Geology, or other degree relevant to the practice of Environmental Consulting. * 7+ years of Industrial Hygiene related experience * CIH is strongly preferred Skills and Abilities * Experience with industrial health and safety, OSHA compliance, asbestos, mold, lead-based paint, and indoor air quality is preferred * Extensive knowledge of environmental principles and applications. * Extensive knowledge of permitting processes, environmental regulations, and environmental test methods * Extensive ability to manage and develop new clients. Seek out opportunities to develop relationships with clients. * Review and provide feedback of field and laboratory testing by others. Perform training and/or corrective action as necessary. * Excellent ability to manage and develop new clients * Experience delegating/assigning projects and tasks to other staff while also managing other projects independently. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Timmons Group is always accepting applications for experienced Survey Technicians & Senior Survey Technicians for future opportunities. The Survey Technician assists in application of principles, methods and techniques of land surveying by performing the duties below. Essential Duties and Responsibilities include but are not limited to the following: * Drafts subdivision plats, boundary surveys and easement plats * Prepares parcel descriptions * Prepares staking maps for subdivisions, infrastructure improvements and site plans * Prepares cutsheets and construction take-offs * Drafts topographical surveys and creates digital terrain models * Performs limited courthouse research * Submits plats for jurisdictional approval * Works closely with the project manager and group leader * May substitute in the field when necessary * Performs other duties as assigned Skills/Requirements of a successful candidate include but are not limited to: * Bachelor or Associate's degree in Land Surveying, Geomatics, Geography, Geospatial Information Sciences or related field or a minimum of three years of progressive survey field experience * Experience working with GPS and 3D laser scanning a plus * Excellent verbal and written communication skills * Ability to read, analyze and interpret documents such as safety rules, scope of services, project budgets, jurisdictional platting & submittal requirements, and procedure manuals * Ability to read deed descriptions, title reports, zoning reports, survey plats, DOT plans, engineering drawings, and aerial topographic mapping * Ability to understand and follow instructions * Ability to work with mathematical concepts such as trigonometry and geometry

Responsibilities ECS Limited is offering a unique opportunity for a talented Specialty Technician to join our Chantilly team and advance in a dynamic work environment. You'll work on a variety of projects of moderate complexity performing field observations and inspections, and may also work with steel performing destructive and non-destructive testing (NDT). Responsibilities * Field Activities: Perform observations, testing, inspections, and sampling of various construction materials, including soils, aggregates, concrete, grout, masonry, asphalt and structural steel placement; Execute tasks based on project requirements under the guidance of senior technicians, staff professionals, and project managers; Inspections may also be conducted in fabrication facilities or on mechanical piping systems and pressure vessels. * Testing Procedures: Conduct routine observations of structural steel and reinforcing steel, including welded or bolted connections using various methodologies and testing equipment following industry standards for documentation and compliance; Testing may include ground penetrating radar (GPR) structural surveys, material verification, and corrosion surveys. * Data Collection: Perform calculations and data reduction based on sampling, test results, and inspections; Engage in drafting and other administrative duties as required; Maintain organization of field equipment and notify supervisor of broken or missing equipment as applicable. * Communication: Maintain daily communication with site contractors, other technicians, and project managers, keeping the team informed of changing site conditions and requested additional testing; Attend project meetings as requested. * Training and Development: Receive training in ECS methodology for project observations, inspections, and testing; Document findings with precision in accordance with accepted engineering practices; Mentor other technicians as they grow in their careers. Career Development As your experience grows, ECS will: * Support you in enhancing your professional skills to advance and grow with us. * Encourage participation and advancement in internal and external training programs and certification opportunities. #IAD123 Qualifications Required Qualifications * 3+ years of related experience. * High School diploma or GED. * Must have and be willing to maintain at least 2 specialty certifications from industry authorities such as NRC, NICET, WACEL, ACI, IFC, AWS, ASNT, ASTM, and be willing to obtain advanced and additional certifications as needed, such as AWS CWI or Ultrasound Level II. * Position requires carrying 40 - 70 lbs multiple times a day or occasionally lifting 85 lbs to waist height. * Must have valid driver's license and insurance. * Must provide suitable transportation for use on job sites - Mileage will be reimbursed. * Strong communication skills (speaking, reading, and writing). * Sound working knowledge of destructive and non-destructive testing principles, applications, and testing standards. * Excellent understanding of heavy construction safety, practices, and procedures. * Ability to perform work at heights. * Ability to work effectively with clients, peers, and supervisors. * Proficiency with electronic devices such as phones, tablets, and laptops. * Functional ability to read and interpret engineering and construction plans. * Basic knowledge of MS Office. * If your focus is NDE testing, you should have the ability to calibrate NDE equipment. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Responsibilities * Conducting field observations associated with existing facilities * Destructive and non-destructive investigations and structural forensic investigations including conducting anchor bolt testing, performing ground penetrating radar (GPR) surveys, concrete core drilling, light demolition and material sampling * Documenting observations daily in written field reports * Interacting and communicating effectively with site contractors, other technicians, and project managers Qualifications * High school diploma or GED * 1+ year(s) of relevant construction experience would go a long way * Degree in engineering or related field a plus, but not required * Professional certifications (WACEL or ACI) a plus, but not required * Position requires lifting/carrying 40 - 100 lbs. multiple times a day * Must be able to provide suitable transportation for use on job sites - Mileage will be reimbursed About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Timmons Group is seeking a Civil Project Manager/Senior Civil Project Manager - Transportation Group candidate for our Transportation Design Group located in our Ashburn, VA office location. Essential Duties and Responsibilities of a successful candidate include but are not limited to: * The Project Manager is responsible for the successful management of assigned projects and the development of strong client relationships * Responsible for marketing and business development, technical quality, profitability, schedule, project staff coordination, client communications, negotiating scopes and fees, billing and assistance in collection of fees when required, client follow-up maintenance * The Project Manager must maintain superior relationships with each of his/her clients and cross-sell Timmons Group services which may fall outside of his/her direct professional expertise, and direct ongoing communications with the Office Manager and Transportation Group Leader are essential * An ability to manage several mid-sized projects, multiple small projects or a single larger project simultaneously is required Skills/Requirements of a successful candidate include but are not limited to: * A bachelor's or master's degree in Civil Engineering and/or equivalent work experience. * Professional registration (P.E., L.S., etc.) in one or more states in which Timmons Group conducts business is preferred * Ideal candidates will have 8 to 10 years of experience in roadway design, traffic and transportation engineering, including projects for local Departments of Transportation (DOTs) * Must have a thorough understanding of project accounting and demonstrated ability to manage the schedule and budget for multiple projects at the same time * Has experience in marketing and supervision of the technical work of others * Has a working knowledge of technical and office support software required to perform the essential functions of the position * Consistently presents a professional attitude towards clients and internal staff * Effectively communicates with others in the daily completion of tasks or assignments * Strives to achieve professional working relationships with others and shows a willingness to help others meet critical deadlines * Must possess a valid driver's license and be able to operate a motor vehicle

Responsibilities * Starting pay of $20 per hour* ECS Limited is offering a unique opportunity for a talented and experienced Senior Field Technician to join our Frederick team and advance in a dynamic work environment. Use your existing certifications and skills as you work under the guidance of experienced professionals to safely perform a variety of tasks. We are an equal opportunity employer, and candidates with diverse backgrounds and abilities are encouraged to apply. Responsibilities * Field Activities: Perform observation, testing, sampling, and inspection of materials, including soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement on construction sites; Execute tasks based on project requirements under the guidance of other senior technicians, staff professionals, and project managers. * Testing Procedures: Conduct routine field tests for soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement using various methodologies and testing equipment following industry standards and compliance. * Data Collection: Perform calculations and data reduction based on sampling, test results, and inspections; Engage in drafting and other administrative duties as required; Develop skills in documentation and prepare field reports that document site observations for field work performed. * Communication: Maintain daily communication with site contractors, other technicians, and project managers; Keep supervisor and project teams informed of changing site conditions and additional testing requested; Attend project meetings with senior staff as requested. * Training and Development: Receive training in ECS methodology for project observations, inspections, and testing; Document findings with precision in accordance with accepted engineering practices. Career Development As your experience grows, ECS will: * Support you in further enhancing your professional skills. * Encourage continued participation in internal and external training programs and certification opportunities provided by organizations such as ACI, ASNT, AWS, ICC, NICET, NRCA, RCI, various State DOTs, WACEL, and others, as appropriate. Qualifications Required Qualifications * 2+ years of related experience. * High School diploma or GED. * Must have and be willing to maintain current basic level certifications and be willing to obtain an additional 2 advanced certifications. * OSHA 10 is a plus. * Position requires carrying 40 - 70 lbs multiple times a day or occasionally lifting 85 lbs to waist height. * Must have valid driver's license and insurance. * Must provide suitable transportation for use on job sites - Mileage will be reimbursed. * Strong communication skills (speaking, reading, and writing). * Excellent understanding of heavy construction safety, practices, and procedures. * Ability to work effectively with clients, peers, and supervisors. * Proficiency with electronic devices such as phones, tablets, and laptops. * Strong math skills with the ability to read maps, follow directions, and interpret engineering and construction plans. * Basic knowledge of MS Office. The expected pay range for this role and location is $19-$23/hour. The final agreed-upon compensation will be determined based on specific location and other individual qualifications. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

As an Intern working with our geotechnical group, you will reinforce your education through a practical, hands-on, paid work experience. Your work will be realistic and rewarding, and allow you to be in a position of responsibility. You will contribute ideas and develop knowledge and communication skills while interacting with top professionals in your field. Your internship is more than a job; it is a learning experience that allows you to explore career options. You can even learn more about yourself, your skills, and help set your career goals. Best of all, you will be given meaningful assignments that will give you a sense of accomplishment. You also have a "can do" attitude and are ready to take on any project thrown your way - and that's why an internship with ECS will give you all the opportunity for career growth within our company you'll want. Responsibilities * Assisting with performing lab testing * Drafting boring logs and location diagrams * Scheduling of drill rigs for geotechnical projects * Obtaining utility clearance for subsurface explorations * Assisting with the subsurface exploration program and preparing drilling instructions * Performing boring and test pit layouts by both conventional surveying and Global Positioning Systems (GPS) * Classifying soil samples * Performing hand augers to obtain subsurface information and soil samples * Observing foundation or ground improvement installations Want to experience what this job entails? Click below: Qualifications * Actively pursuing a Bachelor or Master degree in Civil Engineering, Geology, or related degree * Interest in how structures are supported and a desire to think outside the box * Must be able to provide suitable transportation for use on job sites - mileage will be reimbursed * Position requires carrying 40 - 70 lbs multiple times a day or occasionally lifting 85 lbs to waist height The expected pay range for this role and location is $16-$20/hour. The final agreed-upon compensation will be determined based on specific location and other individual qualifications. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Responsibilities About ECS Water Solutions ECS's Water Solutions group provides design, operation, and management of groundwater, surface water, and construction dewatering treatment systems. The team delivers turnkey solutions - from permitting and design through startup, optimization, and long-term system maintenance - helping clients comply with environmental regulations and achieve cost-effective, sustainable outcomes. You'll join a collaborative team of environmental engineers and scientists supporting projects across ECS's national footprint. Our systems treat a variety of contaminants of concern and support both temporary construction-phase and permanent remediation applications. Position Summary The Remediation Engineer will be responsible for the design, implementation, and oversight of groundwater and surface water remediation systems within the Water Solutions group. This position involves hands-on field work, engineering design, project management, and client interface. You'll manage projects from concept through construction and commissioning, helping to deliver high-quality, practical, and regulatory-compliant treatment system designs. Responsibilities Project Management & Technical Execution * Manage water treatment and remediation projects from proposal through delivery, including scope, budget, and schedule. * Design and oversee both temporary dewatering treatment systems and permanent remedial systems for groundwater and surface water applications. * Develop engineering drawings, specifications, cost estimates, and permit applications for treatment systems such as filtration, carbon and other media adsorption, air stripping, and chemical treatment. * Conduct and interpret hydrogeologic and contaminant fate and transport evaluations to guide system design. * Support pilot tests, treatability studies, and system startups. * Provide field oversight during installation, commissioning, troubleshooting, and performance monitoring. * Review project deliverables for QA/QC compliance and consistency with ECS standards. * Ensure project safety and adherence to company health and safety policies. * Prepare project invoices and assist with collections as required. Client Relationships & Business Development * Maintain and expand relationships with new and existing clients across private and public sectors. * Prepare technical proposals, scopes of work, and budgets in collaboration with the Water Solutions Group Manager and senior staff. * Participate in meetings with clients, contractors, and regulatory agencies. * Support business development activities through client presentations and conference participation. Staff Development * Mentor and train junior engineers and field staff in system design, installation, and monitoring procedures. * Promote ECS technical standards and safety-first culture. * Contribute to internal training and development programs within the Water Solutions team. Qualifications Qualifications * Bachelor's degree in Environmental, Civil, or Chemical Engineering required; Master's degree preferred. * Licensed Professional Engineer (P.E.) required, or ability to obtain reciprocity * Minimum 7 years of relevant experience in groundwater/surface water remediation and water treatment system design. * Demonstrated experience designing and managing water treatment or remediation systems (e.g., pump-and-treat, mechanical and media filtration, adsorption media, or chemical treatment). * Strong understanding of hydrogeologic and chemical processes governing contaminant behavior. * Proficiency with developing Process Flow Diagrams (PFDs) and Process and Instrumentation Diagrams (P&IDs) within AutoCAD and other Autodesk Programs. * Experience with hydraulic and contaminant transport modeling tools (e.g., MODFLOW, MT3D, GIS or similar). * Ability to oversee and support field operations, including startup, sampling, and troubleshooting. * Proven project management skills with the ability to deliver projects on schedule and within budget. * Excellent written and verbal communication skills. * OSHA 40-hour HAZWOPER certification (or ability to obtain). * Valid driver's license and willingness to travel up to 30%. Preferred Qualifications * Experience with NPDES or temporary discharge permitting. * Familiarity with advanced in-situ or ex-situ remediation technologies (e.g., bioremediation, chemical oxidation/reduction, PFAS treatment). * Experience with vapor mitigation or air handling systems. * Demonstrated client-facing and business development experience. Why Join ECS? * Opportunity to lead technically challenging projects with measurable environmental impact. * Collaboration with a nationwide Environmental Services and Water Solutions team of experienced professionals. * Supportive work environment that values innovation, professional growth, and work-life balance. * Competitive compensation with performance-based bonuses. * Comprehensive benefits including: * Employee Stock Ownership Plan (ESOP) * 401(k) with up to 4% match * Tuition Assistance Program * Continuing education and professional development support * Health, dental, and vision coverage ECS Core Values: Collaborate. Focus. Lead. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Job Description Timmons Group is seeking a Civil Project Engineer II/III Roadway Design - Transportation Group candidate to join our Transportation Design Group located in our Ashburn, VA office location. Essential Duties and Responsibilities of a successful candidate include but are not limited to: Design portions of a project using relevant office software, modeling and AutoDesk Civil 3D technology. Complete calculations using engineering formulas and skills and/or utilizes computers in order to solve problems. Prepare specifications materials through the use of research and manufacturing catalogs to specify materials, installation, inspection and payment of items specific to a project. Work to complete design details and plan sets. Perform research and writes objective summary reports which are used in the completion of the project work or inspection. Assist in the preparation of engineering and construction cost estimates. Complete field observation, inspection and data collection duties as directed by senior engineering staff. Communicate with client staff and internal design team as directed by senior engineering staff. Skills/Requirements of a successful candidate include but are not limited to: A bachelors or master's degree in civil engineering or closely related field. Ideal candidates would have at least two years of experience in transportation civil engineering related to roadway design Bentley OpenRoads Designer proficiency is essential AutoDesk Civil 3D proficiency is a plus VDOT experience preferred EIT preferred Additional Information The requirements listed are representative of the knowledge, skills and/or abilities required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. We are looking for high energy, creative, flexible, patient, self-starters who are willing to work at a dynamic pace. Candidates must share a commitment to our company's Vision, Mission and Shared Values. Timmons Group is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, or protected Veteran status. Timmons Group is a full-service engineering and technology firm recognized nationally as a “Best Firm to Work For” by CE News. With over 15 offices throughout the Mid-Atlantic and Southeast, we provide civil engineering, environmental, economic development, GIS/geospatial technology, landscape architecture, and surveying services to a diverse client base. As one of Engineering News Record's (ENR) Top 500 Design Firms for over 30 years, we are dedicated to being an employer of choice and providing our people with the best resources, technology, and culture to help them thrive in an engaging career development setting. For more information, visit **************** #LI-KH1

Responsibilities No experience necessary, paid training is provided, and we pay your certification fees! ECS Limited is offering a unique opportunity for a talented Construction Materials Testing (CMT) Field Technician to join our Chantilly team and advance in a dynamic work environment. No prior experience is needed, as you'll work under the guidance of experienced professionals to learn to safely perform a variety of tasks. Responsibilities * Field Activities: Conduct observation, testing, and sampling of materials, including soils, aggregates, and concrete on construction materials testing project sites; Execute tasks based on project requirements under the guidance of senior technicians, staff professionals, and project managers. * Testing Procedures: Conduct routine field and/or laboratory tests for soils, aggregates, and concrete using various methodologies and testing equipment following industry standards and compliance. * Data Collection: Perform calculations and data reduction based on sampling, test results, and inspection; May assist with calculations, drafting, and other administrative duties as requested. * Communication: Maintain daily communication with site contractors, fellow technicians, and project managers; Communicate changing site conditions and additional requested testing to supervisor; Attend project meetings as requested; Assist with organization of field equipment and notify supervisor of broken or missing equipment as needed. * Training and Development: Receive training in ECS methodology for project observations, inspections, and testing; Document findings with precision in accordance with accepted engineering practices. Career Development As your experience grows, ECS will: * Support you in enhancing your professional skills. * Encourage participation in internal and external training programs and certification opportunities provided by organizations such as OSHA 10, ACI, ASNT, AWS, ICC, NICET, NRCA, RCI, various State DOTs, WACEL, and others, as appropriate. Qualifications Required Qualifications * No experience required. * High school diploma or GED. * Must be able to lift a minimum of 85 pounds. * Must have valid driver's license and insurance. * Willing to develop understanding of heavy construction safety, practices, and procedures. * Willing to obtain knowledge of CMT principles and applications, as well as ASTM laboratory standards, leading to certifications in soils, concrete, and radiation safety. * OSHA 10 certification may be required. * Strong communication skills (speaking, reading, and writing). * Ability to work effectively with contractors, peers, and supervisors. About Us ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #144 in Engineering News-Record's Top 200 Environmental Firms (October 2024) and #50 in Zweig Group's Hot Firm List (June 2025). ECS is an Equal Opportunity Employer. To learn more, click here.

Responsibilities Responsibilities * Lead the strategic development, execution, and management of government-related projects and relationships within ECS service lines. * Grow the Subsidiary's public sector footprint at the federal, state and municipal levels, ensuring compliance with government regulations, overseeing the successful execution of contracts, and fostering long-term partnerships with government clients. * Develop and implement business strategies for expanding government services in alignment with subsidiary goals. * Identify, pursue and secure new federal, state and local contracts and opportunities in ECS core service lines. * Client management for our government market sector with particular emphasis on the federal market (classified and unclassified) as well as international opportunities. * Maintain an understanding of public-sector procurement processes, compliance standards, and funding mechanisms. * Work closely with our Marketing department and other operational managers in your pursuits. * Work in a team environment to implement business development strategies that will increase growth and success. * This position reports to subsidiary senior leadership. * Other duties as assigned Qualifications Qualifications * BS in Business Administration, Marketing or a related field - MBA/MKT preferred * 15+ years of direct sales/marketing experience in consulting, marketing services, advertising, service delivery, and launch strategy - highly preferable if in the Geotechnical, Environmental Engineering , Materials Testing or Facilities markets Skills and Abilities * Ability to prioritize, multi-task, and successfully meet deadlines * Entrepreneurial drive for results and proven ability to attain goals * May need to obtain federal security clearances About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Timmons Group is always accepting applications for Survey Instrument Operator candidates for future openings with our survey group. While we may not have an immediate opening, we will keep your resume and information for future opportunities. The Survey Instrument Operator assists Land Surveyors and Party Chiefs in application of principles, methods, and techniques of civil engineering and land surveying by performing the following duties. Essential Duties and Responsibilities of a successful candidate include but are not limited to: * Participate in Field Crew operations to provide field data for boundary surveys, topographical and construction stakeout surveys * Learn to operate total station, level, GPS and data collectors for use in the collection field of survey data * Under the guidance of a Party Chief, works on construction stakeout projects (curb and gutter, drop inlets, storm sewer, sanitary sewer, waterline, structures, etc.) * Learns daily maintenance and up-keep of instruments * Provides clear and concise field notes including sketches * Must be able to work in a team environment, and also be willing to work in all types of weather Skills/Requirements of a successful candidate include but are not limited to: * High school diploma/GED * Ideal candidates will have six (6) months of survey experience (and/or the equivalent of additional training or courses in the field of surveying) * Ideal candidates will possess a thorough understanding of standard survey procedures and instruments * Must be able to carry up to 50 lb. of equipment over all types of terrain. * All-weather year-round outdoor work environment, with seasonal extreme heat index and wind-chill factors * Other physical attributes of the job, such as hiking, climbing, vegetation management (chopping, cutting, hammering, sawing, etc.)

Responsibilities ECS Limited is offering a unique opportunity for a talented Specialty Technician to join our Chantilly, VA team and advance in a dynamic work environment. You'll work on a variety of projects performing field observations and inspections, and may also work with steel performing destructive and non-destructive testing (NDT). Responsibilities * Field Activities: Perform observations, testing, inspections, and sampling of various construction materials, including soils, aggregates, concrete, grout, masonry, asphalt and structural steel placement; Execute tasks based on project requirements under the guidance of senior technicians, staff professionals, and project managers; Inspections may also be conducted in fabrication facilities. * Testing Procedures: Conduct routine observations of structural steel and reinforcing steel, including welded or bolted connections using various methodologies and testing equipment following industry standards for documentation and compliance. * Data Collection: Perform calculations and data reduction based on sampling, test results, and inspections; Engage in drafting and other administrative duties as required; Maintain organization of field equipment and notify supervisor of broken or missing equipment as applicable. * Communication: Maintain daily communication with site contractors, other technicians, and project managers, keeping the team informed of changing site conditions and requested additional testing; Attend project meetings as requested. * Training and Development: Receive training in ECS methodology for project observations, inspections, and testing; Document findings with precision in accordance with accepted engineering practices. Career Development As your experience grows, ECS will: * Support you in enhancing your professional skills to advance and grow with us. * Encourage participation in internal and external training programs and certification opportunities. Qualifications Required Qualifications * 2+ years of related experience. * High School diploma or GED. * Must have or be willing to obtain 2 relevant specialty certifications from industry authorities such as NRC, NICET, WACEL, ACI, IFC, AWS, ASNT, ASTM (other authorities may be considered at ECS discretion). * Position requires carrying 40 - 70 lbs multiple times a day or occasionally lifting 85 lbs to waist height. * Must have valid driver's license and insurance. * Must provide suitable transportation for use on job sites - Mileage will be reimbursed. * Strong communication skills (speaking, reading, and writing). * Working knowledge of destructive and non-destructive testing principles, applications, and testing standards. * Good understanding of heavy construction safety, practices, and procedures. * Ability to perform work at heights. * Proficiency with electronic devices such as phones, tablets, and laptops. * Functional ability to read and interpret engineering and construction plans. * Basic knowledge of MS Office. * If your focus is NDE testing, you should have the ability to calibrate NDE equipment. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Timmons Group is currently seeking a motivated and detail-oriented Civil Project Engineer II/III to join our Land Development team in our Ashburn, VA office. The Project Engineer II/III will contribute to a wide range of land development projects including like K12 schools, higher education, data centers, fire stations and parks. We assist our clients with zoning entitlements, civil site plan approvals, and construction administration support. Our project engineers will typically work in a team of 2-3 design engineers and a project manager to bring our client's vision to life. The complexity and fast paced nature of our client's needs creates a dynamic environment for our team members and fosters a culture of teamwork, diverse training opportunities, and builds a sense of ownership in the successful outcome of the project. Essential Duties and Responsibilities of a successful candidate include but are not limited to: * Designing site layouts, grading, utilities, and stormwater systems using Civil 3D and other modeling tools. * Performing engineering calculations and solving real-world design challenges. * Preparing technical specifications and construction documents. * Conducting research and writing objective reports to support project completion. * Assisting with cost estimates and construction planning. * Supporting field inspections and data collection. * Collaborating with clients, internal teams, and senior engineers to deliver high-quality results. Skills/Requirements of a successful candidate include but are not limited to: * Bachelor's or Master's degree in Civil Engineering or a related field. * 2+ years of experience in land development engineering, including residential, commercial, or mixed-use projects. * EIT certification preferred. * Proficiency in Civil 3D required. * Strong communication skills and a collaborative mindset.

Responsibilities * Primary responsibilities include providing technical expertise and supporting Geotechnical staff both within a branch and within a region * Host or attend project meetings with clients and/or ECS staff to help provide technical solutions as requested * Responsibilities may also include mentoring Associate Principals * Responsibilities may also include participation in the review committee for candidates who seek Associate Principal designation (Geotechnical) * Perform the following at the office and regional levels: * Overseeing projects * Performing technical report reviews * Preparing and reviewing proposals * Assisting with management of the department and P&L * Business development and assisting other staff in marketing our services by maintaining and developing client interactions * Assisting hiring managers to help make staffing decisions. * Leading and coaching junior staff members * Due to low barriers between departments, duties will include performing the tasks above in CMT Qualifications * Bachelor and/or Master of Science in Civil Engineering, Geological Engineering, Geology, or similar is required * 12 years of related experience * Designation as a senior reviewer at your current or previous firm required * Professional Engineer (P.E.) or Professional Geologist (P.G.) license is required in each of the state(s) in which you work. * If driving for, or on behalf of, any ECS subsidiary, a valid driver's license is required. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

As a Facilities Associate III, you have no problem successfully navigating competing priorities. Your technical expertise is something you take pride in, and you know how to exceed your clients' expectations. Most of your career has been focused on building, structural, and general facilities and construction consulting, and you have a passion for the industry. Your great communication skills help you interact with your team and clients with ease. You also have a "can do" attitude and are ready to take on any project thrown your way - and that's why you'll have all the opportunity for career growth within our company you'll want. Responsibilities ECS is offering an opportunity for an experienced Structural Project Manager/ Engineer to join our Mid-Atlantic Facilities team in Chantilly, VA. In this role, you'll lead projects involving forensic investigation, repair & rehabilitation design, and non-destructive testing services for existing structures. You'll work closely with a multidisciplinary team to deliver high-quality consulting solutions across a variety of facilities and clients. If you have a strong technical background, enjoy managing complex projects, and are passionate about improving the built environment, we want to hear from you. * Conduct forensic investigations and repair design for existing structures. * Lead the setup and execution of multiple concurrent projects, assigning appropriate staff and ensuring high-quality deliverables. * Perform and oversee field and lab testing methods such as GPR, anchor pull testing, bond testing, sounding, and half-cell corrosion potential. * Guide sample collection (concrete, masonry, steel, wood) and ensure adherence to proper techniques and standards. * Interpret federal, state, and local building codes and apply them effectively to project findings and recommendations. * Prepare technical reports and proposals with minimal oversight; present findings to clients in meetings or calls. * Coordinate with field staff to direct work activities, including structural assessments, testing, design, and construction administration. * Review calculations, RFIs, submittals, and construction documentation for accuracy and compliance. * Manage project budgets, timelines, invoicing, and track potential changes to scope. * Mentor junior staff and support their development through coaching and oversight. * Foster a safety-first culture by promoting the proper use of PPE and safe work practices on all job sites. Qualifications * Bachelor's or Master's degree in Architecture (from a NAAB-accredited program), Engineering, Building Science, or a related field (ABET-accredited) * 2+ years of relevant repair/forensic experience with PE license or 4+ years of relevant repair/forensic experience without a license * EIT or PE license preferred About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Responsibilities No experience necessary, paid training is provided, and we pay your certification fees! * Starting pay of $17 per hour!* ECS Limited is offering a unique opportunity for a talented Construction Materials Testing (CMT) Field Technician to join our Frederick team and advance in a dynamic work environment. No prior experience is needed, as you'll work under the guidance of experienced professionals to learn to safely perform a variety of tasks. Responsibilities * Field Activities: Conduct observation, testing, and sampling of materials, including soils, aggregates, and concrete on construction materials testing project sites; Execute tasks based on project requirements under the guidance of senior technicians, staff professionals, and project managers. * Testing Procedures: Conduct routine field and/or laboratory tests for soils, aggregates, and concrete using various methodologies and testing equipment following industry standards and compliance. * Data Collection: Perform calculations and data reduction based on sampling, test results, and inspection; May assist with calculations, drafting, and other administrative duties as requested. * Communication: Maintain daily communication with site contractors, fellow technicians, and project managers; Communicate changing site conditions and additional requested testing to supervisor; Attend project meetings as requested; Assist with organization of field equipment and notify supervisor of broken or missing equipment as needed. * Training and Development: Receive training in ECS methodology for project observations, inspections, and testing; Document findings with precision in accordance with accepted engineering practices. Career Development As your experience grows, ECS will: * Support you in enhancing your professional skills. * Encourage participation in internal and external training programs and certification opportunities provided by organizations such as OSHA 10, ACI, ASNT, AWS, ICC, NICET, NRCA, RCI, various State DOTs, WACEL, and others, as appropriate. FDK123 Qualifications Required Qualifications * No experience required. * High school diploma or GED. * Must be able to lift a minimum of 85 pounds. * Must have valid driver's license and insurance. * Willing to develop understanding of heavy construction safety, practices, and procedures. * Willing to obtain knowledge of CMT principles and applications, as well as ASTM laboratory standards, leading to certifications in soils, concrete, and radiation safety. * OSHA 10 certification may be required. * Strong communication skills (speaking, reading, and writing). * Ability to work effectively with contractors, peers, and supervisors. The expected pay range for this role and location is $17-$19/hour. The final agreed-upon compensation will be determined based on specific location and other individual qualifications. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Responsibilities ECS Limited is offering a unique opportunity for a talented Construction Materials Project Engineer to join our Chantilly, VA field services team and advance in a dynamic work environment. In this role, you'll successfully manage a variety of projects and collaborate with project teams from senior engineers to field staff to meet project deadlines. Responsibilities * Tasks supporting the management of construction materials testing projects, including daily report review, collaborating with project teams, providing resolutions of technical and administrative issues as they arise, and training field staff on your projects. * Manage project budgets, prepare invoices, pay applications, and assist with collection efforts. * Prepare proposals and change orders for your projects; Host or attend project meetings with clients and follow up on reports as needed. * Perform soil classifications and assign laboratory testing. * Mentor junior staff and support overall development of your team. Career Development * As your experience grows, ECS will support you in enhancing your professional skills with the potential for additional mentoring, leadership, and advanced certifications. Qualifications Required Qualifications * Bachelor of Science in any of the following: Civil Engineering, Construction Engineering and Management, Materials Science Engineering, Architectural Engineering, or Geology; Note: Construction Management degrees and certain Technology degrees may not be considered. * A minimum of 2 full years of relevant experience. * Must have valid driver's license and insurance. * EIT required, PE preferred * Strong marketing skills with the ability to establish and maintain client relationships. * Strong communication skills (speaking, reading, and writing). * Sound understanding of heavy construction safety, practices, and procedures. * Sound knowledge of CMT principles, applications, and ASTM laboratory standards. * Ability to work effectively with clients, peers, and supervisors. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************

Responsibilities ECS Limited is offering a unique opportunity for a talented Construction Materials Testing (CMT) Assistant Staff Project Manager to join our Frederick, MD team and advance in a dynamic work environment. No prior experience is needed, as you'll work under the guidance of experienced professionals to learn to safely perform a variety of tasks, including field work alongside other staff members and the early stages of project management. Responsibilities * Assisting staff with field tasks supporting various construction materials testing projects; Some office work may be performed as you begin to learn about the life cycle of the project. * Field testing of materials including soils and aggregate, foundations, reinforced and post-tensioned concrete, masonry, structural steel, asphalt pavement, and fireproofing. * Document site observations and results in daily reports using proprietary software for construction materials testing (CMT) projects. * Interact and collaborate with colleagues and clients, including keeping entire project team informed of changing site conditions and additional testing requested on project sites; May require attending project meetings as requested. * Begin to learn how to classify soil. Career Development As your experience grows, ECS will: * Support you in enhancing your professional skills to advance and grow with us. * Encourage participation in internal and external training programs and certification opportunities. Qualifications Required Qualifications * No experience required. * Bachelor of Science in any of the following: Civil Engineering, Construction Engineering and Management, Materials Science Engineering, Architectural Engineering, or Geology; Note: Construction Management degrees and certain Technology degrees may not be considered; Role requires a degree with the ability to obtain advanced licensure (Professional Engineer (PE), Professional Geologist (PG), etc). * Must have valid driver's license and insurance. * Interest in project management, consulting, and business development. * Functional knowledge of CMT principles and applications, as well as ASTM laboratory standards. * Ability to work effectively with clients, peers, and supervisors. * Strong communication skills (speaking, reading, and writing). * Sound understanding of heavy construction safety, practices, and procedures. The expected pay range for this role and location is $20-$30/hour. The final agreed-upon compensation will be determined based on specific location and other individual qualifications. About Us ECS Group of Companies (ECS) was founded in 1988 with the goal to raise the standards of professional engineering consulting. Today, we are a leader in geotechnical, construction materials, environmental and facilities consulting services. We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast. ECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). For additional information about ECS, visit: *******************