Test and Integration Engineer

Test and Integration Engineer

Leidos is seeking a Test and Integration Engineer to lead cutting-edge testing and validation efforts within the Undersea Systems Division (USD). This role is a unique opportunity to drive innovation in testing underwater vehicle systems, maritime sensors, subsea telemetry, and ISR solutions that support critical defense and national security missions.

You'll contribute to a multidisciplinary team focused on testing, integrating, and validating advanced maritime technologies, ensuring system reliability and performance from prototype design to full-scale system deployment for ongoing Navy missions.

Leidos’ Undersea Systems Division is a recognized leader in C4ISR technologies, delivering innovative, mission-critical solutions across sensor networks, unmanned systems, and tactical platforms. We’re known for achieving “industry firsts” in the most challenging maritime domains.

Join us and be part of a world-class team delivering unmatched solutions for today's most pressing maritime missions.

Why Join Us?

• Make an Impact: Your work will directly support U.S. maritime dominance and national security.
• Lead Innovation: Be at the forefront of applying innovative technology and autonomy to real-world maritime systems.
• Work with Experts: Collaborate with a top-tier team of engineers, scientists, and technicians located across the U.S.
• Shape the Future: Influence both the strategic and tactical direction of next-generation subsea technologies.

What You’ll Do

• Test and Validate: Write, develop and execute comprehensive test plans, procedures, and protocols to ensure system functionality, reliability, and compliance with requirements.

• Integrate systems and conduct hands-on testing: Write, develop, and execute integration plans to bring complex systems together.

• Perform field and on-water based hands-on testing, validation, and verification of software and hardware systems, including integrated electro-mechanical systems.

• Collaborate: Work closely with systems engineers, software developers, and hardware teams to identify and resolve issues during testing phases.

• Automate Testing: Develop automated testing frameworks and tools to streamline validation processes.

• Analyze Results: Document and analyze test results, providing detailed reports and recommendations for system improvements.

• Support Development: Ensure a “design for testing” focus during system development and integration.

• What You Bring

Required Experience:

• Bachelor’s degree in Engineering (Systems, Mechanical, Electrical, Software, Ocean), Computer Science, Physics, or Math.
• 2+ years of hands-on testing, integration, validation, and verification experience with software and integrated electro-mechanical systems including developing test procedures
• Proficiency in test automation, data acquisition systems, and hardware-in-the-loop testing.
• Excellent problem-solving skills and ability to troubleshoot complex technical issues.
• U.S. Citizenship with the ability to obtain a SECRET clearance.

Preferred Experience:

• Familiarity with UUVs, deployed subsea systems, and underwater payloads.
• Experience with designing, writing, executing, and evaluating system integration field tests.
• Experience performing software system subcomponent testing/integration and using Matlab or Python for data analysis.
• Proven track record in developing automated testing frameworks and transitioning designs to production.
• Experience with test data management systems and statistical analysis of test results.

Original Posting:

• September 23, 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.

• About Us

• 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 [email protected].

• 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.