Software Engineer (Tactical Decision Aids Production & Integration)

Leidos' High Fidelity Simulation Business Area designs and delivers cutting-edge system-of-systems solutions that power world-class simulation, training, and analysis products for the U.S. Navy. In this role, based at a U.S. Government facility in Bethesda, MD, you will work with state-of-the-art technologies to develop advanced sonar tactical decision aids (TDAs) that directly support the Fleet. You'll be part of a high-performing team whose mission-critical work shapes the Navy's tactical edge—making a tangible impact on national security. At Leidos, we empower our engineers to do meaningful work while continually building new skills to grow the career they want to achieve. What You'll Work On Develop and enhance Tactical Signature Guidance (TSG) systems, including sonar TDAs across multiple code baselines. Troubleshoot and resolve complex software challenges while contributing innovative solutions. Learn and apply new programming languages and technologies, with mentorship and support from experienced teammates. Occasionally support hardware system configuration and build-out, gaining exposure to full system integration. This opportunity is ideal for developers who thrive on solving complex problems, want to expand their technical expertise, and are motivated by work that directly supports the U.S. Navy's operational readiness. Primary Responsibilities Work collaboratively in an agile team environment supporting a large-scale program. Own and deliver software solutions in Java, C++, and other modern languages. Learn and apply new technologies (e.g., Angular, Rust, Scala) to meet evolving needs. Troubleshoot and resolve complex technical issues with efficient solutions. Adapt quickly to shifting priorities and support urgent requests when needed. Communicate clearly with teammates, stakeholders, and leadership. Travel occasionally to Manassas, VA for integration and team collaboration. Required Qualifications At least 3 years of hands-on professional experience developing, maintaining, and enhancing production applications in Java and/or C++, with a strong emphasis on existing codebases. Experience working with service-oriented architecture (SOA) and enterprise integration patterns (e.g., SOAP services, XML/JSON messaging, WSDL, message queues) is highly desirable. Familiarity with modernizing or integrating existing systems, including refactoring, performance tuning, and incremental adoption of newer technologies or frameworks.

Education:

Bachelor's degree in Computer Science, Computer Engineering, or a related field that provides strong software development skills.

Clearance:

Must be able to obtain a U.S. security clearance.

Certification:

Must be willing to earn an IAT Level I (or higher) certification after hire (company-supported). If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 7, 2026 For U.S.

Positions:

While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.

Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to spam.leidos@leidos.com. Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.