New

Software Developer, Senior

Naval Nuclear Laboratory
parental leave, tuition assistance, 401(k)
United States, Pennsylvania, West Mifflin
814 Pittsburgh McKeesport Boulevard (Show on map)
Jun 30, 2026
About Us Working at the Naval Nuclear Laboratory we foster pride in belonging to an organization whose culture is made up of these core values: Trust, Empowerment, and Collaboration. Our company promotes a positive culture while ensuring the safety and reliability of our nation's naval nuclear reactors, and training the Sailors who operate those reactors in the U.S. Navy's submarines and aircraft carrier Fleets. Looking for a lifetime career? Apply today! Job Description We're seeking a highly skilled Senior Software Developer to design, develop, and deliver advanced software solutions supporting enterprise AI systems. This role focuses on building AI enabled applications, autonomous agents, and integration components that expand our organization's ability to leverage next generation intelligent technologies.You will work closely with product owners, data scientists, cybersecurity partners, and cloud engineering teams to build reliable, secure, and mission aligned tools that enhance decision-making, automation, and operational efficiency. Key Responsibilities * Lead the design and development of AI powered applications, tools, and intelligent agents aligned with enterprise strategy. * Build, test, and deploy scalable backend and frontend components using modern software engineering practices. * Collaborate with cross-functional teams to define requirements, architecture patterns, and technical integration points. * Maintain software quality through automated testing, code reviews, documentation, and performance monitoring. * Integrate AI/ML models, cloud-native services, and workflow automation platforms into production systems. * Troubleshoot and resolve software defects, performance issues, and system integration challenges. * Produce clear technical specifications, diagrams, and user documentation, * Ensure compliance with security, data governance, and reliability requirements. * Mentor junior developers and contribute to team technical standards and best practices. Required Combination of Knowledge and Skill Bachelor's degree from an accredited college or university and a minimum of 6 years of relevant experience; or Master's degree from an accredited college or university in a related field and a minimum of 4 years of relevant experience. Preferred Skills Bachelor's or Master's degree in Computer Science, Information Systems, Engineering, or a related discipline. 5+ years of experience developing enterprise-grade software solutions. Strong proficiency in languages such as Python, C#, Java, or TypeScript. Experience integrating AI/ML systems (LLMs, agent frameworks, automation orchestration, cloud AI services). Familiarity with event-driven architectures, microservices, containers, and CI/CD pipelines. Experience designing applications that operate within secure, highly regulated, or mission-critical environments. Knowledge of cloud ecosystems (Azure, AWS, OCI) and modern data platforms. Excellent communication skills and the ability to work in collaborative, multi-disciplinary teams. Compensation and Benefits Health, Dental, Vision & Voluntary Benefits Disability, Life & Accident Insurance 401(k) Savings program & Capital Accumulation Plan Personal & Medical Time Off Paid Parental Leave Flexible Work Schedules Tuition Assistance for Eligible Employees Student Debt Benefit Personal Time Off Sell Program Employee Assistance Program (EAP) Wellness Program Visit us online to view all NNL benefits! Pay Range $95,700.00 - $149,600.00 annually Salary information provided is a general guideline only. Annual salary is based upon candidate experience and qualifications, as well as market and business considerations. The Naval Nuclear Laboratory is operated for the U.S. Department of Energy (DOE) by Fluor Marine Propulsion, LLC (FMP), a wholly owned subsidiary of Fluor Corporation. Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston. FMP employees also have an established presence at numerous shipyards and vendor locations. For nearly 70 years, the Naval Nuclear Laboratory has developed advanced nuclear propulsion technology, provided technical support, and trained world-class nuclear operators to ensure the safe and reliable operation of our nation's submarine and aircraft carrier Fleets. The Naval Nuclear Laboratory is a national asset solely dedicated to the Naval Nuclear Propulsion Program. We rely on the dedication and innovation of our nearly 8000 engineers, scientists, technicians, and support personnel. All candidates must be U.S. citizens. Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter. FMP is a government contractor and maintains a drug free workplace and workforce. All candidates must be able to pass a drug test in compliance with FMP company policy and 10 CFR 707. Marijuana is a Federal Schedule I controlled substance and illegal under Federal Law. Therefore, FMP is required to test for marijuana. Fluor Marine Propulsion, LLC is an Equal Opportunity Employer, including disability/vets. All qualified applicants will receive consideration for employment without regard to race, color, age, sex, religion, national origin, disability, veteran status, genetic information, or any other criteria protected by federal, state, or local law. Apply Now