Cyber Systems Engineer / ISSO

Peraton

• $135K — $216K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years as an ISSO on similar scope and complexity projects
  • Experience with security tools, hardware/software security, communication protocols, or encryption methods
  • Bachelor's in Computer Science or related field (or 4 years of additional ISSO experience)
  • DoD 8570 IAM Level I or higher certification
  • Current TS/SCI clearance with polygraph

Responsibilities

  • Act as Information Systems Security Approval Authority for designated systems
  • Provide technical guidance and compliance expertise across Information Assurance initiatives
  • Plan, coordinate, and enforce cybersecurity best practices across systems and projects
  • Maintain operational security posture for mission-critical environments
  • Develop and implement security policies, standards, and methodologies
  • Support daily security operations including monitoring, incident response, and log analysis
  • Perform vulnerability and risk assessments for Certification & Accreditation efforts

Benefits

  • Mission-driven work impacting national security
  • Access to cutting-edge technology and complex challenges
  • Career growth opportunities in a supportive environment
  • Inclusive team environment valuing collaboration, integrity, and excellence
Full Job Description
Responsibilities

Cyber Systems Engineer / ISSO

Location: Annapolis Junction, MD
Clearance Required: TS/SCI with Polygraph
Company: Peraton - Cyber Missions Team

Join Peraton's Cyber Missions team as a Cyber Systems Engineer / Information System Security Officer (ISSO) and help shape the future of national security. In this critical role, you'll secure complex systems, ensure compliance with federal cybersecurity frameworks, and protect some of the nation's most sensitive information.

This is more than just a cybersecurity job-it's a mission.
What You'll Do

As a Cyber Systems Engineer / ISSO, you'll be responsible for safeguarding critical systems and data while ensuring they remain compliant, secure, and mission-ready. Your work will directly support national defense, intelligence, and critical infrastructure.

You'll lead or support the full lifecycle of system security operations, including:
  • Acting as the Information Systems Security Approval Authority for systems under your purview.
  • Providing both technical guidance and compliance expertise across Information Assurance (IA) initiatives.
  • Planning, coordinating, and enforcing cybersecurity best practices across multiple systems and projects.
  • Maintaining a strong operational security posture for mission-critical environments.
  • Developing and implementing security policies, standards, and methodologies to meet and exceed federal requirements.
  • Supporting daily security operations, including continuous monitoring, incident response, and log analysis.
  • Performing detailed vulnerability and risk assessments to support system Certification & Accreditation (C&A) efforts.
  • Evaluating and validating security solutions to ensure readiness for handling classified and sensitive data.
  • Overseeing configuration management, system changes, and associated Security Impact Assessments.
Key Deliverables and Documentation

You'll lead or contribute to the development of essential security documentation, such as:
  • System Security Plans (SSPs)
  • Risk Assessment Reports
  • Certification & Accreditation (C&A) packages
  • System Requirements Traceability Matrices (SRTMs)


Qualifications

Job Requirements:
  • Experience: 5+ years as an ISSO on projects of similar scope and complexity. Must include experience in at least one of the following:
    • Security tools and technologies
    • Hardware/software security implementation
    • Communication protocols
    • Encryption methods
  • Education: Bachelor's in Computer Science or related field (or 4 additional years of ISSO experience in lieu of degree).
  • Certifications: DoD 8570 IAM Level I or higher
  • Clearance: TS/SCI with current polygraph


Peraton offers enhanced benefits to employees working on our critical National Security programs, 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 eligible to participate in an attractive bonus plan.

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.

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