Leidos is seeking a Senior Ocean Engineer to support cutting-edge engineering efforts within the Undersea Systems Division. This role is a unique opportunity to support design and maintenance of underwater infrastructure, system design for arrays of maritime sensors, and installation and recovery in an offshore environment in support of critical defense and national security missions.
You'll be a senior engineer supporting a multidisciplinary team developing and supporting customers with advanced maritime technologies, from production processes to prototype design with a focus on cradle to grave system design, build, installation, proof of concept, and maintenance.
Leidos’ Undersea Systems Division is a recognized leader in undersea 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, as well as supporting well-developed processes and procedures to support excellence in execution for our customers.
Join us and be part of a world-class team delivering unmatched solutions for today's most pressing maritime missions.
Why Join Us?
· Make a Mission Impact: See your work directly contribute to U.S. maritime dominance by delivering and sustaining critical systems the warfighter depends on.
· Turn Capability into Readiness: Support proven technologies through production, integration, fielding, and long-term operational support.
· Own Real-World Results: Solve the production, quality, supply chain, and sustainment challenges that determine whether complex systems are ready when the mission demands them.
· Work with an Exceptional Team: Collaborate with engineers, manufacturing professionals, technicians, program teams, suppliers, and customers to deliver reliable systems.
· Build Capability That Lasts: Help improve how we produce, support, upgrade, and sustain maritime systems throughout their operational lifecycle.
Primary Responsibilities
· Be a senior engineer through the design, development, integration, testing, and deployment of advanced maritime and undersea systems, ensuring technical performance and mission success in challenging ocean environments.
· Apply expertise in ocean engineering, hydrodynamics, underwater acoustics, marine systems, and environmental conditions to solve complex engineering challenges and optimize system performance.
· Provide technical mentorship across multidisciplinary engineering teams, guiding system design decisions, resolving complex technical issues, and mentoring junior engineers.
· Plan and execute engineering analyses, modeling, simulations, and laboratory and at-sea testing to validate system performance, reliability, and operational effectiveness.
· Drive technical innovation and continuous improvement in underwater technologies, including autonomous systems, subsea sensors, oceanographic instrumentation, and maritime platforms.
· Collaborate with program managers, customers, scientists, and engineering teams to translate operational requirements into practical, cost-effective technical solutions.
· Lead technical investigations, root-cause analyses, and design improvements to address system performance, reliability, and integration challenges throughout the product lifecycle.
· Serve as a senior technical contributor in design reviews, customer engagements, technical proposals, and strategic technology development efforts supporting maritime missions.
Basic Qualifications
SUBSEAMSS
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.
November 2, 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 $131,300.00 - $237,350.00
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 is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
