Senior Cyber Software Engineer

Peraton•Annapolis Junction, MD

7d•Hybrid

About The Position

Peraton is seeking a Senior Cyber Software Engineer to join our high-performing Cyber Missions team in Annapolis Junction, MD. In this role, you’ll contribute to mission-critical software solutions that support national security, working alongside experienced engineers in a mature, Agile development environment. As a senior member of the team, you’ll play a key role in designing, developing, and enhancing robust Java-based applications. You’ll collaborate closely with other engineers, architects, and stakeholders to deliver high-quality software while helping guide technical decisions and best practices. This position offers the opportunity to make a real impact while working on challenging and meaningful cyber missions. Our team follows Agile methodologies to plan, track, and manage requirements and development activities, enabling continuous improvement and rapid delivery. Ad hoc telework is available on an “as tasking allows” basis, aligned with current sprint needs. At Peraton, we don’t just build software—we support missions that matter. When you join Peraton, you become part of a company trusted to deliver innovative solutions to the nation’s most critical challenges. Mission-Driven Work: Support high-impact cyber and national security missions that make a difference. Technical Excellence: Work with skilled professionals in a mature engineering environment that values clean code, modern practices, and continuous learning. Career Growth: Peraton invests in its people through professional development, training, and opportunities to advance your technical and leadership skills. Flexibility & Balance: Enjoy a collaborative work environment with ad hoc telework options and respect for work-life balance. Stability & Benefits: As a leading government services company, Peraton offers competitive compensation, comprehensive benefits, and long-term stability. If you’re a senior software engineer looking to apply your expertise to meaningful cyber missions while growing your career, Peraton is the place to do it.

Requirements

Active TS/SCI clearance with current polygraph
20+ years of experience as a Software Engineer supporting programs of similar scope, complexity, and mission focus
Bachelor’s degree in Computer Science or a related field, or 4 additional years of relevant software engineering experience in lieu of a degree
Experience developing, debugging, and testing software applications
Working knowledge of GitLab, Maven, JIRA, and Confluence

Responsibilities

contribute to mission-critical software solutions that support national security
designing, developing, and enhancing robust Java-based applications
collaborate closely with other engineers, architects, and stakeholders to deliver high-quality software while helping guide technical decisions and best practices