Software Engineer Jobs in Ashburn, VA

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Software Engineer II

Sierra Nevada Corporation

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Remote or Herndon, Virginia, USA

Full-time

SNC can only hire in these states: AL, AK, AZ, CA, CO, FL, GA, HI, ID, IL, IN, KS, KY, LA, MD, MA, MI, MN, MS, MO, MT, NE, NV, NH, NJ, NM, NC, OH, OK, OR, PA, SC, TN, TX, UT, VA, WA, WV, WI. Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and expertise to define, design, develop, test, certify and improve cutting-edge software products. These cover a very wide range from advanced mission p
Posted 21 hours ago | Updated 10 hours ago

Software Engineer

Oscar Technology

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Herndon, Virginia, USA

Full-time

Software Engineer: Clearance: TS/SCI with FSP Location: Herndon, VA We are looking for experienced Software Developers to join our technology-based program supporting a key government customer. This program will deliver engineering services for network infrastructure as well as sophisticated enterprise computing infrastructure including end-point devices, data center hosted servers, multi-Cloud services as well as virtualized applications, and storage systems. Enterprise Computing Engineering
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Posted 12 days ago | Updated 2 hours ago

Principal Software Engineer

Jobot

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Rockville, Maryland, USA

Full-time

A rapidly growing 800 Person Medical Device company is currently hiring for a fully remote Principal Software Engineer with full-stack Java experience! This Jobot Job is hosted by: Ryan Sullivan Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $180,000,000 per year A bit about us: A rapidly growing 800 Person Medical Device company is currently hiring for a fully remote Principal Software Engineer with full-stack Java experience!
Posted 2 days ago | Updated 6 hours ago

Software Engineer

Oscar Technology

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McLean, Virginia, USA

Full-time

Job Description: Serve as a Software Engineer supporting a government customer Provide software maintenance, and enhancements to existing systems and platforms Operating in a CI/CD/DevOps/Agile environment Serve as part of a software development team Deliver automated solutions for standard network services Qualifications: Active TS/SCI with a Full-Scope Polygraph BS in Computer Science or related 11+ years of data science experience Must have 5-7 years programming experience in Java Experience
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Posted 19 days ago | Updated 2 hours ago

Software Engineer

SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2507396 Location: CHANTILLY, VA, US Date Posted: 2025-07-09 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC's Space & Intel Business Group, USG Mission and Information Technology Division, is seeking a Software Engineer to support enterprise web applications and software development teams. If you can
Posted 4 days ago | Updated 8 hours ago

Senior Software Engineer (BE)

Vaco by Highspring

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Sterling, Virginia, USA

Contract

Sr Software Engineer Location: Sterling VA (Onsite Tuesday through Thursday) Type: Contract to Hire (6 months) Target Start: ASAP Pay Rate: 80 to 95 per hour W2 Summary: Our client is hiring a Sr Software Engineer to join their Cloud API team. This group supports middle-tier architecture for 40 to 50 applications and is critical to ensuring 99 point 9 percent API availability. Key Skills: Strong experience with AWS serverless technologies including Lambda, API Gateway, DynamoDB, S3, CloudFor
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Posted 3 days ago | Updated 3 days ago

Software Engineer

Accenture LLP

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Chantilly, Virginia, USA

Full-time

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 potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 16 days ago | Updated 10 hours ago

Software Engineer

Cornerstone Defense

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Chantilly, Virginia, USA

Full-time

Location: Chantilly, Virginia Type: Contract Job #3688 Title: Software Engineer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is
Posted 31 days ago | Updated 10 hours ago

Software Engineer

Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 21 hours ago | Updated 10 hours ago

Software Engineer

Leidos

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Herndon, Virginia, USA

Full-time

Description Job Description Leidos has a new and exciting opportunity for a Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company mat
Posted 15 days ago | Updated 9 hours ago

Software Engineer

Herrick Technology Laboratories, Inc.

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Germantown, Maryland, USA

Full-time

Summary: Develop software in an agile environment for next generation software-defined radios supporting DoD missions. Description: As a Software Engineer at HTL you will design, prototype, debug, introduce new products, develop test plans, and optimize software and the associated release cycle. Responsibilities span the entire product lifecycle from software concept to customer delivery and maintenance; opportunities for development span from kernel-level embedded to full-stack web development
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Posted 3 days ago

Software Engineer

Booz Allen Hamilton

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Reston, Virginia, USA

Full-time

Job Number: R0221408 Software Engineer The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a back-end developer with the sof tware engineering skills it takes to help identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Allen, you'll use th
Posted 19 days ago | Updated 11 hours ago

Principal Software Engineer

Leidos

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Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and
Posted 15 days ago | Updated 13 hours ago

Software Engineer (SME)

Leidos

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Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a Software Engineer (SME) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and imme
Posted 15 days ago | Updated 13 hours ago

Senior Software Engineer

RTX Corporation

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Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: VA542: 22260 Pacific Blvd, Dulles 22260 Pacific Boulevard Building CC4, Sterling, VA, 20166-6916 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Raytheon Company Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technolo
Posted 9 days ago | Updated 10 hours ago

Software Engineer III

Scientific Research Corporation

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Reston, Virginia, USA

Full-time

Description The Software Engineer will be a member of a small team focusing on developing services and applications in a DevSecOps based environment in support of DIA. Engineering will be performed on Joint Worldwide Intelligence Communications System (JWICS) and National Security Agency Network (NSANet) connected systems. The ideal candidate will have a history of direct involvement with successful software development, testing and sustainment. Understanding user requirements and strategizing
Posted 2 days ago | Updated 10 hours ago

Software Engineer

Leidos

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Chantilly, Virginia, USA

Full-time

Job Description We are seeking a skilled Software Engineer to support the design, development, configuration, integration, and maintenance of complex SAP systems and custom solutions. This role involves working across multiple SAP modules, providing high-level troubleshooting, and ensuring solutions meet business and mission-critical requirements. Primary Responsibilities: Design, develop, and configure custom applications and enhancements within SAP systems.Integrate SAP solutions with other
Posted 35 days ago | Updated 10 hours ago

Software Engineer, Senior

BOOZ, ALLEN & HAMILTON, INC.

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Herndon, Virginia, USA

Full-time

Software Engineer, Senior The Opportunity: As a software engineer, 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 create a system that will make a difference, we need you on our team. We're looking for an experienced engineer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. As a software engineer at B
Posted 11 days ago | Updated 13 hours ago

Senior Software Engineer

Booz Allen Hamilton

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Herndon, Virginia, USA

Full-time

Job Number: R0221722 Software Engineer, Senior The Opportunity: As a software engineer, 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 create a system that will make a difference, we need you on our team. We're looking for an experienced engineer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. As a s
Posted 12 days ago | Updated 11 hours ago

Software Engineer

Lockheed Martin Corporation

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Rockville, Maryland, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 21 hours ago | Updated 10 hours ago