Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Software Engineer

$69.55k - $125.73k

Leidos

Description

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 production 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 integrated team environment supporting a large-scale program.

  • Own and deliver software solutions in Java, React, 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.

Basic Qualifications

  • Education: Bachelor’s degree in Computer Science, Computer Engineering, or a related field that provides strong software development skills.

  • Experience: Around 5 years of hands-on experience in one or more of the following:

    • Designing and developing real-time acoustic signal processing algorithms

    • Building parallel processing solutions

    • Working with microservices

    • Developing software for signal processing , real-time data analysis , or visualization/simulation systems

  • 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:
July 27, 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 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .

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 at .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the .

Commitment to Non-Discrimination

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.

Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Software Engineer in Arlington, VA vacancy
  • $132k - $198k

     ...multidisciplinary team of technologists, solution architects, engineers, and military subject matter experts. Its mission is to drive...  ...ABOUT THE JOB We are looking for a talented full stack software engineer to join our growing team at Anduril Labs in Washington... 
    Suggested
    Full time
    Work experience placement
    Immediate start
    Relocation package

    Anduril Industries

    Washington DC
    1 day ago
  •  ...Black Cape  Title: Spectacular Full Stack Software Engineer (2+ years - Senior Level) Locations: Arlington, VA, Reston, VA and areas throughout the DMV area Onsite Expectations: MUST be willing to go onsite 2 - 3 days per week; could be up to 5 days per week... 
    Suggested
    Full time
    For subcontractor
    2 days per week
    3 days per week

    Black Cape

    Arlington, VA
    1 day ago
  • $125k

     ...our partnerships with clients. Our close-knot team of highly cleared engineers, analysts, and program managers represent some of the best talent locally available. The Senior Full Stack Software Engineer will support the development of the FBI FDP system using a Postgres... 
    Suggested
    Full time
    Flexible hours

    Synergy Ecp

    Washington DC
    1 day ago
  • The defense market is surging, but the data that drives it hasn’t kept up. Companies, government, and investors are forced to perform heavily manual processes and piece together hundreds of disparate sources to make decisions. Obviant is building a data source of truth ...
    Suggested
    Full time
    Work at office
    Work from home
    Flexible hours
    Night shift
    Weekend work

    Obviant

    Arlington, VA
    1 day ago
  • $120k - $180k

     ..._____________________________________________________________________________  Job Summary:   We are seeking a Full Stack Software Engineer to build the frontend and backend of the Agentic Computational Engineering platform. In this role, you will create high-performance... 
    Suggested
    Permanent employment
    Full time
    Contract work

    Voyager Technologies

    Washington DC
    1 day ago
  • $102.5k - $170.9k

    Position Summary Our AI & Engineering team helps transform technology platforms, drive innovation, and deliver meaningful impact...  ...ventures, and fuel growth through innovation.Work you'll doAs a Software Engineer II on the Engineering as a Service team, you will be... 
    Temporary work
    Local area
    Flexible hours

    Deloitte

    Rosslyn, VA
    3 days ago
  • $90k - $210k

     ...and Seattle, WA with a history of fielding cutting-edge technology. MORSE boasts a specially selected team of scientists, engineers, and software developers to deliver best-in-class technical solutions that solve difficult multidisciplinary problems faced by the US... 
    Full time

    MORSE Corp

    Arlington, VA
    3 days ago
  • $166k - $220k

     ...also develops Lattice for Mission Autonomy, Anduril’s premier software platform that enables masses of Fury, Barracuda, and other first...  ...teams like Perception, Motion Planning, Hardware, and Test Engineering to solve some of the hardest problems facing our customers.... 
    Full time
    Work experience placement
    Immediate start

    Anduril Industries

    Washington DC
    4 days ago
  • $69.4k - $158k

    Full Stack Software Engineer, MidThe Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to help create a system that will... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    5 hours ago
  • $122.5k

    Full Stack Software Engineer is needed for a direct hire onsite opportunity with SOC's client in Herndon, VA. Must currently hold an Active TS/SCI clearanceJob Description: Our client is seeking a Full Stack Software Engineer to join our team. You will work on an integrated... 

    SOC Support Services

    McLean, VA
    3 days ago
  • $86.8k - $198k

    Full Stack Software EngineerThe Opportunity: As a full stack software engineer, you can resolve complex problems with complete end-to-end solutions in a fast-paced, Agile environment. If you’re looking for the opportunity to not just develop software, but to help build... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Washington DC
    4 days ago
  • $58.24k - $68.64k

     ...and Seattle, WA with a history of fielding cutting-edge technology. MORSE boasts a specially selected team of scientists, engineers, and software developers to deliver best-in-class technical solutions that solve difficult multidisciplinary problems faced by the US National... 
    Work experience placement
    Internship
    Work at office

    MORSE Corp Co-op Opportunities

    Arlington, VA
    3 days ago
  • $112k - $179k

    ResponsibilitiesPeraton is seeking a Full‑Stack Engineer to join our Federal Strategic Cyber program—an environment where your engineering...  ...Requirements Are:Bachelor's degree and 8+ years of software engineering experience (or 12+ years without a degree).Strong,... 
    Contract work
    Casual work
    Shift work

    Peraton Corporation

    Arlington, VA
    3 days ago
  • $131k - $145k

    Responsibilities Technica Corporation is seeking a Senior Full Stack Software Engineer who will support the development of the FBI FDP system using a Postgres/Java/React technology stack. These engineers will work with an existing development team to deliver features... 
    Work experience placement
    Remote work

    Technica Corporation

    Washington DC
    5 days ago
  • $119.7k - $199.3k

     ...departments, including Brand & Events, Communications, Customer Care, Engineering & Product, Finance, Human Resources, Legal, Marketing &...  ....Why This Role MattersWe are looking for a Full-Stack Senior Software Engineer to help shape the future of newsletter and content delivery... 
    Full time
    Part time

    Washington Post

    Washington DC
    4 days ago
  • $170k - $200k

     ...measurable ROAS improvements. We're seeking a Senior Fullstack Engineer who thinks in experiences, not features. You'll architect our...  ...to shape the product roadmap Requirements ~7+ years of software engineering experience with at least 5 years in fullstack roles... 
    Full time

    Adora Technologies

    Washington DC
    1 day ago
  •  ...Software Engineer - Full Stack Developer This is an exciting opportunity to join a rapidly growing company that provides Artificial Intelligence systems and software engineering services/solutions to DoD and Federal clients. We seek a Full-Stack Engineer with a dual... 
    Full time
    Local area
    Remote work
    Flexible hours

    Integrity Defense Solutions Inc

    Washington DC
    2 days ago
  • $107.3k - $153.1k

     ...Full Stack Software Engineer Arlington, VA At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless... 
    Live in
    Work at office
    Local area

    Accenture Federal Services

    Arlington, VA
    1 day ago
  •  ...Full Stack Software EngineerLocation: Merrifield, VA on site Type: Full TimeComplete Data Solutions (CDS) is a leading data engineering and analytics company focused on providing our federal government clients with innovative solutions to complex data engineering and... 

    Navstar

    Falls Church, VA
    5 days ago
  •  ...Senior Full-Stack Software EngineerKadiak, LLC, a Koniag Government Services company, is seeking a Senior Full-Stack Software Engineer with a Top-Secret security clearance to support Kadiak and our government customer in Washington, DC. We offer competitive compensation... 
    Local area
    Flexible hours

    ClearanceJobs

    Washington DC
    2 days ago
  • $69.4k - $158k

     ...Job Number: R0245338 Full Stack Software Engineer, Mid The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    4 days ago
  •  ...About Rune Rune Technologies builds mission-critical software for military logistics and sustainment. Our flagship product is TyrOS...  ...in large-scale combat operations. As a Full Stack Software Engineer at Rune, you will be part of a high-impact, customer-driven team... 
    Full time
    For contractors
    Work at office

    RuneTech

    Arlington, VA
    1 day ago
  •  ...Full Stack Software Engineer - Ruby on Rails, JavaScript RequiredWe are seeking a Full Stack Software Engineer with experience using Ruby on Rails, JavaScript to execute the full lifecycle of the product development, by programming well-designed, efficient, and testable... 

    Talent Hive

    Washington DC
    5 days ago
  • $111.43k - $192.89k

     ...Full Stack Software Engineer - Clearance Required Job Locations US-Remote ID 2026-14295 # of Openings 1 Overview We're looking for a Full Stack Software Engineer with expertise across the frontend (React, TypeScript, CSS, HTML) and backend (Node.js, Express.js, OpenAPI... 
    Contract work
    Local area
    Remote work

    LMI Consulting, LLC

    Falls Church, VA
    2 days ago
  • $140k - $170k

     ...Senior Full-Stack Software Engineer (Front-End Focused)Stand Together is a philanthropic community that helps America's boldest changemakers tackle the root causes of our country's biggest problems, from education to the economy, broken communities, and toxic division,... 
    Immediate start
    Flexible hours

    Stand Together

    Arlington, VA
    5 days ago
  •  ...Full Stack Software Engineer Agile Empowerment Technologies (AET), a division of Brandes Associates, is seeking a Full Stack Software Engineer with 5+ years of experience to support the continued development, modernization, and sustainment of secure mission software... 
    Local area
    Remote work
    Work from home
    Relocation

    Brandes Associates

    Washington DC
    3 days ago
  • $140k - $170k

     ...Senior Full-Stack Software Engineer (Back-End Focused)Stand Together is a philanthropic community that helps America's boldest changemakers tackle the root causes of our country's biggest problems, from education to the economy, broken communities, and toxic division,... 
    Immediate start
    Flexible hours

    Stand Together

    Arlington, VA
    5 days ago
  • $500 per month

     ...who need it most.Dave is looking for a talented Senior Fullstack Engineer to continue building the foundation that empowers the engineers...  ...appropriate related experience and/or training.4+ years of software engineering experience with building full stack applicationsStrong... 
    Local area
    Work from home
    Home office

    Dave

    Washington DC
    5 days ago
  •  ...Startups 2024,” and Y Combinator’s #1 GovTech startup. About the Role We want a Platform/Infrastructure engineer to help shape how Promise delivers and runs software, and to automate as much of that as possible. The goal is simple, build the systems that enable... 
    Permanent employment
    Full time
    Local area
    Flexible hours

    Promise

    Washington DC
    1 day ago
  • $86.9k - $198k

    Cyber Platforms Software Engineer, SeniorThe Opportunity: We build software for large, fast-changing cyber problems where speed, scale, and complexity demand better tools. As a Senior Software Engineer, you’ll work across production systems used by operators, analysts,... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    McLean, VA
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Software Engineer. Be the first to apply!