531 results for Software Engineer Jobs in Herndon, VA, US

Responsible for performing software testing and quality assurance on new systems and enhancements, ensuring alignment with technical requirements and IT policies. Collaborates with development teams, assesses systems against established criteria, and provides feedback on results. Creates and runs sc...

Responsible for designing, developing, and optimizing high-performance network software solutions using DPDK, C/C++, and P4; managing the entire software development life cycle; troubleshooting technical issues in a production environment; and integrating new products based on client requirements.

Responsible for implementing and optimizing algorithms and software, supporting testing and demonstration of components, developing documentation, and providing guidance to less experienced engineers. Works closely with other developers and operates in a continuous learning environment under moderat...

Responsible for designing, developing, and optimizing high-performance network software solutions using DPDK, C/C++, and P4. Engage in all phases of the software development life cycle, troubleshoot technical issues in production, and work collaboratively in a team environment.

Responsible for developing and deploying mission-critical systems, reverse-engineering existing applications, analyzing and implementing system enhancements, and delivering top-quality applications. Involves writing technical documents and contributing to project wikis.

Job Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated Posting End: 3/12/2026Job DescriptionCACI is seeking a Software Developer to join a multidisciplined team to work on ...

Job Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated Posting End: 3/12/2026The OpportunityAs a senior developer on this dynamic program; you will bring your software deve...

**Description** Are you ready to join the Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos accelerate your career path. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and...

Title: Software Test Engineer Full-time onsite position for a junior to mid-level software test engineer to support a government client. Individual will perform software testing and quality assurance testing on new systems and enhancements of current IT systems to ensure alignment with technical r...

Software Development Engineer Fairfax, VAApplications will be accepted on an ongoing basis.Key Responsibilities:ICR is seeking software developers to grow our teams dedicated to building our government customers mission critical systems. We are seeking talented engineers skilled in building, testing...