Senior .net developer jobs in Saint Peters, MO

At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. Boeing is seeking an experienced and dedicated Software Certification Engineer to lead our engineering team in the critical mission of developing and certifying safe, reliable, and innovative aircraft. This role is paramount in ensuring that our aircraft not only meet but exceed the rigorous safety standards set forth by the Federal Aviation Administration (FAA). The Software Certification Engineer will play a vital role in fostering a culture of safety and excellence, making significant contributions to the certification process that underpins the trust of our customers and the flying public. Why This Role is Important: The Software Certification Engineer is a cornerstone of Boeing's unwavering commitment to safety and excellence in aviation. This role is crucial in ensuring that our aircraft not only meet the regulatory standards set by the FAA but also embody the highest levels of safety and reliability. By partnering closely with the FAA, the Software Certification Engineer will help shape the future of aviation, driving innovation while safeguarding the trust of our customers and the flying public. Join us in our mission to connect, protect, explore, and inspire the world through aerospace innovation. Apply today to be part of a team that is dedicated to setting the standard for safety and excellence in the aerospace industry! Position Responsibilities: Lead and manage a team of engineers focused on the design, analysis, and testing of aircraft systems and components, with an unwavering commitment to safety. Cultivate a safety-first mindset within the engineering unit, ensuring that all engineering practices prioritize the well-being of passengers and crew. Collaborate closely with the FAA to navigate the complex certification process, ensuring that all aircraft designs comply with stringent regulatory requirements and safety standards. Develop and implement engineering strategies that emphasize safety and reliability, aligning with Boeing's commitment to delivering the highest quality aircraft. Serve as the primary liaison for FAA representatives, facilitating transparent communication and collaboration throughout the certification journey. Oversee the preparation and submission of comprehensive technical documentation required for FAA certification, ensuring that all materials reflect the highest standards of accuracy and thoroughness. Mentor and develop engineering staff, instilling a deep understanding of safety protocols and certification processes to enhance their professional growth and technical expertise. Analyze and resolve complex engineering challenges with a focus on safety, leveraging data-driven decision-making and industry best practices. Monitor project progress and performance, ensuring that engineering solutions are delivered on time and meet all safety and certification milestones. This position is expected to be 100% onsite. The selected candidate will be required to work onsite at one of the listed location options. This position must meet export control compliance requirements. To meet export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. 120.15 is required. "U.S. Person" includes U.S. Citizen, lawful permanent resident, refugee, or asylee. Basic Qualifications (Required Skills/Experience): 5+ years of experience as a Designated Engineering Representative (DER) or Technical Standard Order (TSO) Certification Specialist. 9+ years of experience in RTCA DO-178(B/C) Software Considerations in Airborne Systems and Equipment Certification 5+ years' experience in software engineering Preferred Qualifications (Desired Skills/Experience): Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science 12+ years related work experience or an equivalent combination of education and experience Current Designated Engineering Representative (DER) or Technical Standard Order (TSO) Certification Specialist Experience with concurrent software and distributed systems 12+ years' experience in software development life cycles, configuration management and best agile software engineering practices 9+ years' experience developing, documenting and maintaining architectures, requirements, algorithms, interfaces and designs for software systems 9+ years' experience leading software development projects Leads activities to develop, document and maintain architectures, requirements, algorithms, interfaces and designs for software systems Leads development, selection, tailoring and deployment of processes, tools and metrics Experience using common software version control tools such as Git Experience with Agile planning tool such as JIRA, TSF Drug Free Workplace: Boeing is a Drug Free Workplace (DFW) where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies. Union: This is a non union-represented position Pay & Benefits: At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements. Pay is based upon candidate experience and qualifications, as well as market and business considerations. Summary Pay Range - Level 4 (Senior) - $119,000 - $172,000 Summary Pay Range - Level 5 (Lead) - $145,350 - $211,600 Applications for this position will be accepted until Jan. 12, 2026 Relocation This position offers relocation based on candidate eligibility. Visa Sponsorship Employer will not sponsor applicants for employment visa status. Shift This position is for 1st shift Equal Opportunity Employer: Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.