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Peraton

Runs and secures technology for federal agencies

Senior Information Systems Security Engineer - Information Systems Security Engineering, Advisor

Security Governance, Risk & ComplianceConfirmed live in the last 24 hours
Full-timeQuantico, VA, USA

About the Job

Requirements

  • A bachelor's degree and 8 years of experience in secure design, analysis, and testing of information security systems and products are required.
  • Eight years of experience applying methods, standards, and approaches to ensure baseline security safeguards are implemented and documented is required.
  • Eight years of experience creating and updating security test plans for detecting and mitigating risk to information systems is required.
  • Must meet DoD 8140.03 Advanced proficiency aligned to Security Architect (Work Role 652) or Security Control Assessor (Work Role 612).
  • Must hold a CISSP or CEH certification and one of the following: CCNP Enterprise, CISM, CISSP-ISSAP, CISSP-ISSEP, GCIA, GDSA, GICSP, or one of the listed advanced degrees.
  • An active TS/SCI security clearance is required, with the ability to obtain a polygraph.

Responsibilities

  • Lead, mentor, and supervise a team of contractor security professionals responsible for end-to-end implementation of the Risk Management Framework (RMF) lifecycle for IT systems.
  • Oversee and coordinate the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained.
  • Guide system categorization to ensure information systems are classified according to mission and business impact and regulatory requirements.
  • Advise on the selection, tailoring, and documentation of security controls aligned with system categorization, risk appetite, and compliance requirements.
  • Oversee implementation of technical, operational, and management controls throughout system and application lifecycles, ensuring the quality and completeness of deliverables.
  • Ensure security control assessments are planned, executed, and documented to validate implemented safeguards.
  • Prepare risk management documentation for system authorization and executive decision-making.
  • Direct ongoing monitoring and continuous assessment activities, collecting metrics to adjust security strategies and sustain compliance.
  • Serve as a principal technical advisor on cybersecurity, supporting risk analysis, incident response, system remediation, and audits.
  • Provide technical guidance and training to team members and stakeholders to foster security awareness.
  • Track, report, and communicate the status, risks, and improvement opportunities of security engineering activities to leadership and stakeholders.
  • Maintain current knowledge of RMF, National Institute of Standards and Technology guidance, and industry best practices to support continuous process improvement.

Desired Qualifications

  • Cloud certification is preferred.

About the Company

Peraton

Runs and secures technology for federal agencies

Peraton builds and runs secure technology for American defense, intelligence, space, and civilian agencies, from military networks to satellite ground stations. In 2025, the Federal Aviation Administration chose it to manage the overhaul of the nation's air traffic control system, replacing copper wiring with fiber and upgrading radar and radios. Its engineers, many holding security clearances, run and defend agency networks and data centers, write mission software, and operate space and communications systems, and agencies pay for this work through multiyear contracts. Peraton was formed in 2017, when private-equity firm Veritas Capital bought Harris Corporation's government IT business, and is based in Reston, Virginia.

Company size
10,001+
Company stage
Grant
Total funding
$60M
Headquarters
Reston, VA
Founded
2017

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