Senior Software Developer

Reposted 2 Days Ago
Be an Early Applicant
Bethesda, MD
In-Office
108K-195K Annually
Senior level
Information Technology • Software
The Role
Develop and enhance sonar TDA systems, troubleshoot software challenges, mentor a team, and collaborate in an agile environment to deliver mission system software for the U.S. Navy.
Summary Generated by Built In

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

  • Mentor a de-centralized team of 15+ 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, C++, 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

  • Education: Bachelor’s degree in Engineering, Mathematics, Physical Science, or Computer Science, or another degree providing equivalent software development expertise.
  • Experience: Minimum of 7 years in some combination of:
    • Designing, developing, and implementing real-time acoustic signal processing algorithms
    • Developing parallel processing implementations
    • Working with service-oriented architectures (SOA)
    • Developing signal processing, real-time data analysis, or visualization/simulation systems
    • Java and C++ are required for this role
  • Domain Expertise: At least 5 years of development and integration experience with sonar and/or Navy Command and Control (C2) systems.
  • Security: Ability to obtain a U.S. security clearance.
  • Certification: Possess an IAT Level I or higher certification, or willingness to obtain one within 30 days of hire.

Desired Qualifications

  • Education: Master’s degree in Computer Science, Engineering, Mathematics, or Physical Sciences.
  • Experience: ~11 years designing, developing, and implementing signal processing, real-time data analysis, or visualization/simulation systems.
  • Technology Leadership: ~8 years evaluating and integrating new technologies, maintaining modern software architectures, and mentoring development teams.
  • Big Data & Cloud: Experience with Scala, NoSQL/NewSQL databases, Cassandra, Kafka, Spark, and AWS cloud environments.
  • UI/Visualization: Proficiency with HTML5, Angular, TypeScript, Cesium, and related toolsets.
  • Containers & Microservices: Strong background in Kubernetes, Docker, REST APIs, and containerized microservice architectures.
  • Collaboration & Agile: Proven experience contributing to open-source projects and leading or participating in agile/scrum teams.

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:January 15, 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 $107,900.00 - $195,050.00

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.

Top Skills

Angular
AWS
C++
Cassandra
Cesium
Docker
HTML5
Java
Kafka
Kubernetes
Rest Apis
Rust
Scala
Spark
Typescript
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The Company
Alexandria, VA
27,104 Employees

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.

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