Senior Software Engineer
$107.9k - $195.05kLeidos
Description
Leidos is seeking a TS/SCI cleared Senior Software Engineer to join our mission-driven team. This role supports our client’s efforts to design and implement a cutting-edge data-centric architecture leveraging cloud-based computing , artificial intelligence (AI) , machine learning (ML) , and cross-domain transfer systems.
Why Join Us?
At Leidos, we believe in empowering our employees through training , teamwork , and exposure to challenging technical work . As part of our all-star team, you’ll have the opportunity to accelerate your career path while contributing to impactful projects that make a difference.
We offer:
- Flexible work arrangements (remote and on-site in Bethesda, MD).
- A collaborative environment that values innovation and professional development.
- Opportunities to work on mission-focused solutions with cutting-edge technologies.
About the Role:
As a Senior Software Engineer, you will:
- Work in a DevSecOps environment to ensure the availability of biometric systems and data for end users.
- Lead the integration, maintenance, and monitoring of software systems to ensure constant availability of technical resources.
- Design, implement, and enhance complex software systems, including processing-intensive analytics , real-time systems , and business management information systems .
- Collaborate with Systems Engineers, Software Engineers, Architects, and Operations teams to develop enterprise AFEM (Automated Facial Extraction and Matching) capabilities.
- Participate in test, staging, and production deployments , ensuring system reliability and performance.
Key Responsibilities:
- Develop and maintain software applications using C#
- Implement API development , ETL processes , and enterprise search capabilities (e.g., Elasticsearch).
- Utilize DevOps tools like GitLab or Jenkins for CI/CD practices.
- Monitor automated system integration tests and resolve system abnormalities.
- Foster collaboration within the team to deliver high-quality solutions to customers.
Required Qualifications:
- Education: Bachelor’s Degree with 8+ years of relevant experience or Master’s Degree with 6+ years of relevant experience. Additional years of experience may be substituted for a degree.
- Clearance: Active Top Secret/SCI clearance with the ability to obtain and maintain Poly.
- Technical Skills:
- Proficiency in C# programming and API development .
- Knowledge of SQL Server , ETL processes , and application-level security .
- Hands-on experience with microservices and logging systems .
Preferred Qualifications:
- Familiarity with biometric systems and SDKs.
- Experience with containerization (e.g., Docker) and DevOps tools
- Experience with AWS cloud-based architecture and services like Lambda.
- Experience with GPU for processing using CUDA , PyTorch , etc.
- Knowledge of GraphQL , Python , Bash , Apache NiFi , and Kafka .
- Active certifications such as Security+or CE .
- Proficiency with Linux server management and tools optimized for cross-platform environments.
#NMECDTP-Leidos
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:
May 4, 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.
Pay Range:
Pay Range $107,900.00 - $195,050.00The 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.
$3,000 per month
...In this role you will: • Analyze user requirements to derive software design and performance requirements • Design and code new... ...analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and...Senior- ...Job Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile... .... This Program is seeking a full stack software engineer to develop, maintain and enhance complex...Senior
- ...TLA is seeking a Software Engineer to design, develop, and integrate secure computing environments that support critical mission objectives. In this role, you’ll contribute to the full software lifecycle—from architecture and development to testing and deployment—across...Senior
$129k - $194k
...Washington, DC $129k – $194k Posted 5 weeks ago Role Overview Recorded Future is hiring a Senior Software Engineer. This is a full‑time role in Washington. Part of Recorded Future's Social Media hiring. The posted range is $129k to $194k. Full responsibilities, required...SeniorFull timeWorldwide$108k - $195k
# Front-end Senior Software EngineerTightFull TimeseniorWashington, District of Columbia, USPosted Yesterday## Role OverviewTight is hiring a Front-end Senior Software Engineer. This is a full-time role in Washington. Part of Tight's Frontend hiring, posted yesterday....SeniorFull timeWork at office$197.4k - $232k
...Type: FullTime Location Type: Remote Department Engineering Compensation: $197.4K – $232K • Offers Equity At... ...One Team. One Data Streaming Platform. About the Role Senior Software Engineers II at Confluent take ownership of critical backend...SeniorFull timeRemote work- Anduril Industries is seeking a Software Engineer in Washington, DC, to tackle diverse challenges in robotics and systems integration. This role emphasizes a collaborative environment where you will help ensure efficient deployments and integrations for critical outcomes...Senior
- A Veteran-Owned Small Business is seeking a Software Engineer Level 3 to support a federal government client. The ideal candidate will have a Bachelor’s Degree in Mathematics, Engineering, or Computer Science along with 5 years of relevant experience. Responsibilities include...Senior
- You're an engineer with strong full-stack experience, capable of contributing across our entire product ecosystem. We are EngagedMD and... ...our Platform, Product and Customer Success teams. At EngagedMD, Software Engineers play a key role not only in building software, but...Senior
$50 - $150 per hour
...pushing the boundaries of AI-assisted software development. Our mission is to empower... ...working at the intersection of software engineering, open-source ecosystems, and frontier AI... ..., based on experience and skill level. Seniority level Mid-Senior level Employment type...SeniorFull timeContract workFor contractorsFlexible hours$185k - $225k
...about us, check out our blog! The impact As a member of the engineering team, you will own projects from end-to-end, making decisions... ...understanding customers’ needs. Who you are 5+ years of full-time software engineering experience, ideally full-stack Expert knowledge...SeniorFull time- ...Koniag Government Services company , is seeking a SeniorSoftware Engineer with a Top-Secret security clearance to support Kadiak and our... ..., and advanced analytics. Participate in all aspects of the software development life cycle, including planning, requirements, development...SeniorFor contractorsLocal areaFlexible hours
$191k - $254k
Senior Software Engineer Software | Washington, DC | Full Time Position: Senior Software Engineer Location: Washington, DC Category: Software Engineering Schedule: Standard Day Shift, Monday-Friday Clearance Requirement: Active Secret security clearance (required) Experience...SeniorFull timeTemporary workMonday to FridayFlexible hoursDay shift$500 per month
...intelligence and defense communities, using its Connector software product to enable federated data discovery that cuts intelligence... ...Community and the Department of War. About the Role As Senior Software Engineer, you will be making technical direction and architectural...Senior$130.5k - $171k
We are seeking an experienced Software Engineer (Rust) to join our Sat OS team (which develops the high‑level operating system for the spacecraft). The successful candidate will play a crucial role in developing software for our satellite systems, contributing to the expansion...SeniorFor contractorsWork at office3 days per week$100k - $160k
MAJUS is currently seeking a highly skilled and experienced Senior Software Engineer to join our team. As a Senior Software Engineer, you will design, develop, and maintain robust software solutions that meet the highest standards of quality, performance, and security....SeniorFull timeFlexible hours- Join a National Top Workplace Named a Top Workplace in the USA and Top Remote Workplace, Kobie is where the best minds in loyalty come together, driven by passion and innovation. We’re always looking for talented individuals who are ready to join a collaborative, growth...SeniorRemote workFlexible hours
$125k - $200k
Senior Software Engineer (SEG3) Position Description You will provide support to the Program and Deputy Program Manager of a 200 person contractor team that includes subcontractor personnel. Work location and telework The government work location is the Washington Navy...SeniorContract workTemporary workFor contractorsFor subcontractorWork at officeLocal areaRemote workFlexible hours- ...for a Develop‑Low / Deploy‑High workflow, building and testing software that will safely promote across accredited cross‑domain... ...and enterprise application components. Collaborate with systems engineers, data engineers, and UI/UX developers to implement end‑to‑end...Senior
- ...solutions that enhance maritime operations through autonomous and intelligent platforms. Job Overview We are seeking a Senior Forward Deployed Software Engineer in Washington, DC, who will be at the forefront of integrating, deploying, and improving our autonomous systems in...SeniorPermanent employmentTemporary workWork at office
$125k - $200k
...years, our areas of expertise have expanded to include Systems Engineering, Program Management, In‑Service Engineering, Equipment... ...leadership in our core competencies. We are seeking an experienced Senior Software Engineer (SEG3) to support a large support services contract...SeniorContract workTemporary workFor contractorsFor subcontractorWork at officeLocal areaRemote workFlexible hours- ...company that values purpose as much as progress, G&A is the place for you! Summary Goldschmitt and Associates is seeking a Senior Software Engineer to join our Agile team to support an essential modernization program for the U.S. Department of Education, Office of...SeniorWork at officeLocal areaRemote workFlexible hours
$191k - $253k
Join to apply for the Senior Software Engineer, Nix role at Anduril Industries Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business...SeniorFull timeWork experience placementLocal areaRelocation package- ...Actifai is seeking experienced senior full-stack software engineers. The Company Actifai is an artificial intelligence company. We help our customers, broadband and telecom providers, optimize their high-value, high-leverage decisions. Typically, this includes...SeniorWork at officeImmediate startRemote work
$190k - $240k
...hidden fees or compounding interest. Consumer Growth Experience Engineering (CGX) builds the platforms and end‑to‑end experiences that... ...JavaScript/TypeScript. You have a total of 4+ years of experience as a software engineer. You are experienced in designing, developing, and...SeniorRemote workFlexible hours- ...is seeking a highly skilled cybersecurity professional for a Senior Penetration Testing role. The candidate will conduct security... ...responsibilities include supporting vulnerability management, cloud/hybrid engineering, and securing Cross Domain Solutions. Required qualifications...Senior
$125k - $200k
A leading technology company in Washington, DC is seeking a Senior Software Engineer to support the Naval Sea Systems Command. The ideal candidate will analyze user needs, develop software solutions, and integrate systems while being part of a contractor team. A Bachelor...SeniorFor contractors- Ampcus Inc in Washington, DC is seeking an experienced Information Technology - Engineer, Software Sr. to join their team. The role entails software design, development, testing, and documentation for critical applications, and requires collaboration with stakeholders...Senior
- GetReal Security LLC is seeking a Senior Software Engineer to design and implement secure APIs for their cloud-native product. You will collaborate with various enterprise software providers and optimize database queries while constructing secure login features. The ideal...Senior
$125k - $180k
A leading engineering services firm is looking for an experienced Senior Software Engineer to support a significant contract with the Naval Sea Systems Command in Washington, DC. You will be part of a large contractor team, analyzing user needs and enhancing software capabilities...SeniorContract workFor contractors
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- senior manager diversity & inclusion Takoma Park, MD
- senior performance engineer Takoma Park, MD
- senior Takoma Park, MD
- software implementation project manager Takoma Park, MD
- software Takoma Park, MD
- remote software sales Takoma Park, MD
- costco software developer
- software engineer 150k
- software engineer amazon
- experienced software developer

