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. Why Peraton 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.
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Job Type
Full-time
Career Level
Mid Level
Number of Employees
5,001-10,000 employees