Cyber Systems Engineer / ISSO

Peraton; Bay Ridge Junction (MD); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Mission-Driven Work that impacts national security

Career Growth Opportunities

Cutting-Edge Technology

Job summary

Peraton seeks a Cyber Systems Engineer / ISSO in Annapolis Junction, MD, to secure complex systems and ensure compliance with federal cybersecurity frameworks. You will directly support national defense and protect sensitive information.

The ideal candidate has over 5 years of experience in cybersecurity, holds a bachelor's degree in Computer Science or a related field, and possesses TS/SCI clearance with a current polygraph. Join an innovative team dedicated to national security.

Qualifications

• 5+ years as an ISSO on projects of similar scope and complexity.
• DoD 8570 IAM Level I or higher certification required.
• TS/SCI clearance with current polygraph needed.

Responsibilities

• Act as the Information Systems Security Approval Authority.
• Provide technical guidance and compliance expertise across IA initiatives.
• Plan and enforce cybersecurity best practices across systems.

Skills

Security tools and technologies

Hardware/software security implementation

Communication protocols

Encryption methods

Education

Bachelor's in Computer Science or related field

4 additional years of ISSO experience in lieu of degree

Job description

Cyber Systems Engineer / ISSO

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

Responsibilities

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 will secure complex systems, ensure compliance with federal cybersecurity frameworks, and protect some of the nation's most sensitive information.

As a Cyber Systems Engineer / ISSO, you will 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.

• 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

• System Security Plans (SSPs)
• Risk Assessment Reports
• Certification & Accreditation (C&A) packages
• System Requirements Traceability Matrices (SRTMs)

Qualifications

• 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.

Benefits

• Mission‑Driven Work that impacts national security.
• Cutting‑Edge Technology and complex challenges.
• Career Growth Opportunities in a supportive, innovative environment.
• A team that values collaboration, integrity, and excellence.

EEO

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