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Sr Information Systems Security Officer / Active Top Secret

Peraton
United States, D.C., Washington
May 19, 2026

Sr Information Systems Security Officer / Active Top Secret
Job Locations

US-DC-Washington




Requisition ID
2026-166917

Position Category
Information Technology

Clearance
Top Secret/SCI



Responsibilities

Peraton is seeking an Sr Information Systems Security Officer to support our Federal Strategic Cyber programs.

Location: National Capital Region (NCR)

In this role, you will:

    Serve as Task Lead.
  • Be well-versed in best practices for cyber security program standards, processes, and procedures compliance, industry-standard security frameworks and demonstrated expert working knowledge of NIST Special Publication (SP) 800-53: Recommended Security Controls for Federal Information Systems, NIST SP 800-53A: Guide for Assessing the Security Controls in Federal Information Systems, AFPD 17-1 and AFI 17-130, Cybersecurity Program Management.
  • Write security policies and procedures, CSS, SSP, SSPP, and assess all ATO package artifacts.
  • Have expert knowledge of Risk Management Framework (RMF) v5 (Processes, workflow, etc.).
  • Have the ability to use eMASS to execute, RMF v5 to include document / update system status, identify, document, and manage implementation of operational and technical security controls, implementation and risk assessment tabs, non-compliant and non-validated controls, POAM management (entry, evidence, close-out), produce report and track Plan of Action and Milestone (POA&M) due dates, etc.
  • Possess the ability to complete a checklist to ensure Security Authorization Process documents are complete and comply with all guidance.
  • Demonstrate the ability to work collaboratively with IT counterparts, communicate effectively (skilled in communicating complex technical information to non-technical audience) and coordinate STIG remediation with system administrators and developers.
  • Have the ability to conduct risk assessments, monitor security Incidents and respond appropriately to Security Threats.
  • Working understanding of network technology (includes knowledge of network protocols, TCP/IP), operating systems as well as the necessary security protocols, system details (Architecture, data flow, security cat, requirements, configuration management process/procedures, and user profile) firewalls, rules and configurations, intrusion detection tools and prevention systems, encryption techniques, Windows, Unix, and Linux) operating systems, along with other applications such as databases and web servers.


Qualifications

Required:

  • Bachelor's degree in Computer Science, Business Management, or IT related discipline.
  • Minimum of 9 years of work experience in a Computer Science or Cybersecurity related field.
  • Minimum of 7 years' experience serving as an Information Systems Security Officer (ISSO) or Information System Security Engineer at a cleared facility.
  • Possess at least one of the following certifications:
    • Certified Information Systems Security Professional (CISSP)
    • Global Information Security Professional (GISP)
    • CompTIA Advanced Security Practitioner (CASP)
      • Or other certifications exemplifying skill sets such as those described in DoD Instruction 8570.1 Information Assurance Management (IAM) Level III proficiency.
  • Familiarity with the use and operation of security tools including Tenable Nessus and/or Security Center, Splunk, IBM Guardium, HP WebInspect, Network Mapper (NMAP), and/or similar applications.
  • U.S. citizenship required.
  • Active Top Secret security clearance required.
    • Ability to obtain a final TS/SCI.


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.



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.


EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
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