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. Our work spans advancements in software standards and technologies for data processing, storage, simulation and generation, and visualization, as well as the development of new software capabilities for Navy systems operating afloat and ashore.
In this role, based at a U.S. Government facility in Bethesda, MD, you will apply state-of-the-art technologies to develop advanced sonar tactical decision aids (TDAs) and related software capabilities that directly support the Fleet. You will be part of a high-performing team tackling complex technical challenges across data, simulation, visualization, and tactical decision support—helping shape the Navy’s tactical edge and making a tangible impact on national security.
At Leidos, we empower our engineers to do meaningful work while continually building new skills, expanding their technical capabilities, and growing the career they want to achieve.
Primary Responsibilities.
Mentor a de-centralized team of 5+ developers, applying agile methodologies within a larger 50+ member program.
Collaborate in an agile environment to design, develop, and deliver complex mission system software.
Own and deliver solutions built with Java, Scala, React, and other modern technologies.
Explore and apply new frameworks and languages such as Angular, Rust, or Scala to meet evolving mission needs.
Troubleshoot and resolve complex technical challenges with creativity and efficiency.
Make informed decisions even with limited information in dynamic, fast-paced environments.
Recognize when to adapt or pivot during implementation to ensure the best technical and mission outcomes.
Drive process improvements and introduce innovative workflows that enhance team performance.
Influence positive change through collaboration, initiative, and technical leadership.
Balance multiple priorities and adapt quickly to urgent or shifting requirements.
Communicate clearly across teams, stakeholders, and leadership.
Apply agile best practices to deliver high-quality, iterative results that make an impact.
Travel occasionally to Manassas, VA for integration efforts and direct team collaboration.
Basic Qualifications.
Master’s degree in Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems
Ten (10) years of professional experience with software engineering.
Strong software development experience with Java and/or similar object-oriented programming languages, including designing, developing, integrating, and troubleshooting complex software applications.
Experience leading or providing technical direction to software developers, including mentoring team members, reviewing technical approaches, and helping drive software solutions from design through delivery.
Experience with NoSQL/NewSQL data stores, the Scala, Rust, TypeScript programming languages.
Experience with visualization technologies and user-interface development, including HTML5/Javascript/CSS, CesiumJS, and associated toolsets such as Angular and React.
Experience with applying programming concepts in a professional or academic setting.
Security+ Certification
Clearance: Must be a US Citizen able to obtain a U.S. security clearance.
Desired Qualifications.
Experience building and supporting continuous integration pipelines (e.g. DEVOPS/DEVSECOPS) in a professional or academic setting.
Agile Developer certification or Certified Scrum Developer certification with experience participating in and helping to lead day-to-day activities of a scrum team or other Agile software development team.
Experience with Big Data processing technologies such as Cassandra, Kafka, Spark, etc.
Experience with Kubernetes, REST, Docker and containerized microservices.
Experience in development and integration of software in an environment including multiple security domains and system-of-systems.
Experience with commercially available cloud computing service solutions such as Amazon Web Services (AWS).
Experience in development and sustainment of Linux based software development.
Demonstrated open-source contributor.
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:August 24, 2026For 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.
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.
Skills Required
- Master's degree in Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems
- Ten years of professional software engineering experience
- Experience with NoSQL or NewSQL data stores
- Experience with Scala, Rust, and TypeScript programming languages
- Experience with visualization technologies and user-interface development, including HTML5, JavaScript, CSS, CesiumJS, Angular, and React
- Experience applying programming concepts in a professional or academic setting
- Must be a U.S. citizen able to obtain a U.S. security clearance
- Experience building and supporting continuous integration pipelines, including DevOps or DevSecOps
- Agile Developer or Certified Scrum Developer certification, with scrum or agile development team experience
- Experience with Big Data technologies such as Cassandra, Kafka, or Spark
- Experience with Kubernetes, REST, Docker, and containerized microservices
- Experience developing and integrating software across multiple security domains and system-of-systems environments
- Experience with commercial cloud computing services such as Amazon Web Services
- Experience developing and sustaining Linux-based software
- Demonstrated open-source contribution
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. 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 newly launched 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.
