Senior ISSE: Secure Systems & A&A Expert (TS/SCI)

The Josef Group; Chantilly (VA); Hybrid; USD 140,000 - 200,000; Full time

Job summary

The Josef Group is seeking an experienced Information System Security Engineer (ISSE) to protect mission-critical information systems and ensure compliance with Intelligence Community security requirements.

The role will design and embed security controls, perform vulnerability assessments, and support ATO processes across networking, computing, and cloud environments. A TS/SCI Full Scope Poly is preferred, with 8+ years in secure cybersecurity and IA policy familiarity.

Qualifications

• Bachelor's degree in cybersecurity, computer science, or related field.
• 8+ years of experience supporting highly secure cybersecurity systems, including ATO processing, A&A documentation, networking operations, and security control analysis/remediation.
• Experience supporting highly secure, enclaved environments.
• High familiarity with IA concepts, SCA analysis process, and Cybersecurity policies such as NIST, FISMA, and RMF.

Responsibilities

• Design and embed security controls into system architectures.
• Run routine vulnerability scans and patch issues with system admins/developers.
• Create and review A&A documentation and provide feedback on completeness and compliance.
• Advise sponsors and customers on Lifecycle Assessment and Authorization processes.
• Maintain baselines and configuration management including security event monitoring policies.
• Coordinate changes through Sponsor’s approved cybersecurity processes.

Skills

Cybersecurity expertise

IA concepts

NIST/FISMA/RMF

A&A documentation

Enclave environments

Education

Bachelor's Degree in Cybersecurity, CS, or related field

Tools

COTS/GOTS tools

Job description

The Josef Group is seeking an experienced Information System Security Engineer (ISSE) to protect mission-critical information systems and ensure compliance with Intelligence Community security requirements.

The role will design and embed security controls, perform vulnerability assessments, and support ATO processes across networking, computing, and cloud environments. A TS/SCI Full Scope Poly is preferred, with 8+ years in secure cybersecurity and IA policy familiarity.