Senior Software Security Engineer
Peraton
Annapolis Junction, MD · Posted October 24, 2026
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Where Annapolis Junction, MD ranks
Where Annapolis Junction, MD placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #15Best cities for software and engineering jobs in the Mid-Atlantic147 openings · of 68
- #17Best cities for mid-career professionals in the Mid-Atlantic60% · of 85
- #20Best cities for mid-career professionals60% · of 100
- #24Best cities for junior jobs in the Mid-Atlantic33% · of 85
- #25Best cities for AI-skill jobs in the Mid-Atlantic9% · of 85
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
How AI is used in this kind of work
Among computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Peraton has filed 3 layoff notices in the last twelve months, covering 133 workers, most recently October 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
Peraton Overview
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.
Responsibilities
Job Description:
Software Engineer to implement, test, and operate using advanced software security techniques in compliance with the technical reference architecture to enhance software systems.
Perform on-going security testing and participate in code reviews to improve software security and features.
Debug, design, and code new software or modify existing software.
Provide and recommend engineering designs for new software solutions to help mitigate security vulnerabilities.
Contribute on all levels of the architecture and maintain technical documentation.
Collaborate with team members and exchange knowledge on secure coding practices.
Ability to develop familiarity with new tools and best practices.
Highly Desired Skills:
Demonstrated work experience with OpenSource (NoSQL) products such as Hbase/Accumulo, Big Table, etc.
A minimum of six (6) years demonstrated experience out of the most recent eight (8) years developing production software for Solaris or Linux environments
Six years (6) of experience developing software using the Java programming language or C or C++
Developing RESTful services
Developing infrastructure as code
Continuous integration and deployment tools such as Ansible and Terraform
Java development
Kubernetes
Previous experience developing analytics applications
Qualifications
Basic Requirements:
Active TS/SCI with current Polygraph required
Twenty (20) years of experience in planning and leading Software Engineering efforts.
Bachelor’s degree in technical discipline from an accredited college or university is required
Four (4) years of additional software engineering experience may be substituted for a bachelor’s degree
Benefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap, and eligibility to participate in an attractive bonus plan.
Target Salary Range $146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
Benefits Statement
Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own.
EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.