ISSE

Peraton

Herndon, VA, United States$135,000 - $216,000Full-timePosted 2mo ago

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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

Peraton’s Space Sector is seeking a seasoned Information Systems Security Engineer (ISSE) to join our diverse Information Assurance team supporting the Intelligence Community at our Herndon, VA office. The candidate will be expected to:

  • Design and implement safety measures and controls. Monitor network activity to identify vulnerable points. Address privacy breaches and malware threats.
  • Support the Assessment and Authorization (A&A) processes and Information Assurance documentation for multiple analytic and mission systems across all CLINs
  • Generate and maintain the complete security Body of Evidence (BoE) while leading the A&A activities according to the Risk Management Framework (RMF) processes (ICD 503, CNSSI-1253, NIST 800-37, NIST 800-53, etc.) for all multiple information systems
  • Author, complete and maintain the System Security Plan (SSP) within XACTA
  • Develop the Security Controls Traceability Matrices (SCTM), and the Security Test Plan (STP) procedures within Xacta.
  • Analyze existing security systems and make recommendations for changes or improvements
  • Prepare reports and action plans if a security breach does occur
  • Monitor the network and provide early warning of abnormalities or problems
  • Communicate the system status and keep users informed of downtime or changes to the system
  • Experience working with software developers and architects to understand security requirements
  • Experience guiding the application developers on security policy, identifying security requirements, providing technical guidance for the satisfaction of requirements
  • Experience creating and managing the plan of action and milestones (POA&Ms), and working with project managers and engineers to develop schedules and engineering actions that mitigate open findings
  • Experience supporting the Continuous Monitoring of operational systems; experience monitoring and auditing operational systems for proper use
  • Log Review/Analysis using SIEM tools (Splunk, etc.)
  • Vulnerability Analysis and Review (ACAS, Prisma, SonarQube, JFrog X-Ray, GitLab Code Quality)
  • DISA STIGs and STIG Viewer experience

Qualifications

Required Qualifications:

  • Bachelor's degree with 8+ years of relevant experience, Master's degree with 6+ years of relevant experience; or 4+ additional years of relevant experience in lieu of a degree
  • 6+ years of experience with years supporting Assessment and Authorization (A&A) and information assurance processes and documentation using RMF
  • Active TS/SCI clearance with Polygraph
  • Hands-on experience with validating control implementations and test procedures
  • Experience with RMF and Xacta
  • Experience with DISA Security Technical Implementation Guide (STIG)
  • Knowledge of current security risks and protocols
  • Active DoD IAT Level I certification
  • Ability to work 100% onsite in a secure environment

Desired Qualifications:

  • Experience working with AWS/Google cloud-hosted information systems or applications
  • Experience working with Containerized Systems or Applications
  • Experience working with Redhat or CentOS Linux operating systems
  • Experience working in a DevSecOps environment and tool chain

Target Salary Range

$135,000 - $216,000. 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.

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Frequently asked questions

Who is hiring for ISSE at Peraton?+
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When was this ISSE role posted?+
This listing was first posted on 2026-08-13. We pull the latest copy from the source feed daily, and any role that's taken down gets removed from Careeronaut within seven days so you don't waste time on stale listings.
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