Software Developer Engineer jobs in Fairfax

Company Description Our client is well established facility that offers a powerful and robust portfolio of products, services and solutions that help customers successfully execute their missions in today’s dynamic environment. With unsurpassed engineering using an open architecture approach, our cl

Everforth ECS is seeking a Junior Software Engineer Intern to work in our Fairfax, VA office for the summer of 2026. This internship offers a unique opportunity to move beyond the classroom and gain firsthand experience with production-grade workflows and real-world datasets. You will work alongside

Riverside Overview Riverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research and development, and prototype solutions to some of the country’s most challenging technical problems.

Job Description Everforth ECS is seeking a Senior Software Developer (USIEM) to work remotely. As a leading provider of managed cybersecurity services, ECS provides a highly tailored and customized offering to each customer. Our team is responsible for protecting both our customers and corporate env

Lockheed Martin

Job Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you‘ll receive a payment! code-extrefer Senior Full Stack Software Engineer - Clearance Required WHAT WE‘RE DOING • Jo

Lockheed Martin

Job Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data ana

Lockheed Martin

Job Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data ana

Lockheed Martin

Job Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data ana

Lockheed Martin

Job Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data ana

Leidos

Description Leidos Intelligence Sector delivers advanced technology and mission software across cyber, logistics, security operations, and decision analytics, empowering defense and intelligence customers to stay ahead of evolving global threats. Our mission is simple: equip those who protect the na

Leidos

Description In the Homeland Sector, our software helps protect communities and keep important systems running safely. As we build more software, we need to make sure it stays efficient, reliable, and easy to improve over time. Must live in the Reston area and be able to commute to the Leidos GHQ off

Leidos

Description Software Engineer (R&D / AI & Data Platforms) Leidos – Analysis Solutions Business Area Build the future of data, AI, and mission-critical software. Leidos is seeking a talented Software Engineer to help lead the development of next-generation software capabilities within our dynamic res

Lockheed Martin Corporation

Job Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data ana

Actalent

Job Title: Software Engineer Job Description This role is for a highly skilled Software Engineer who designs, develops, and deploys software for data processing and signal processing systems. You will work across the full software development lifecycle, from architecture and implementation through t

Oasys International

A rapidly growing technology consulting firm in Northern Virginia is seeking a Sr. Software Developer to support the U.S. Coast Guard's Aviation Logistics Center. The role demands advanced support for system software integrity and security, requiring strong expertise in system-level software across

Lockheed Martin Corporation

Job Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Senior Full Stack Software Engineer - Clearance Required WHAT WE'RE DOING • Jo

Boeing

Chief CloudEco Platform Engineer – Boeing Software Factory (BSF) At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment that is welcoming, respectful and inclusive, with great opportunities for professional growth. Find your future with u

Northrop Grumman

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world t

LinTech Global

A leading technology services provider is seeking an Applications Programmer II to support applications at the IRS. The role involves application development using Microsoft Power Platform and ensuring compliance with CI standards. Candidates must have a related Bachelor's degree and at least 7 year

Enterprise Services Network

Lockheed Martin, a leader in the Aerospace & Defense industry, is seeking an experienced Software Engineer with Poly SR SWE1 to join our dynamic IT & Cybersecurity team. This role will focus on developing and maintaining high-level classified software systems that are critical to national security m