Information Systems Security Engineer (ISSE)
Location: Fort Belvoir, VA
Department: Enterprise IT
Location Type: IN_OFFICE
Employment Type: FULL_TIME
- Design and secure complex system and network architectures that span multiple enclaves with varying classification levels
- Create, review, and maintain security authorization documentation in alignment with DoD and federal cybersecurity policies
- Implement and guide the team through the Risk Management Framework (RMF) accreditation lifecycle; prior DIACAP experience is acceptable
- Perform in-depth assessments of open-source, GOTS, and COTS software for security risks and integration viability
- Utilize and interpret results from vulnerability management platforms and automated security scanning tools
- Recommend and validate system-level mitigations to meet required security postures and accreditation criteria
- Collaborate with development and infrastructure teams to ensure secure design and implementation practices across cloud-based big data systems
- Support government efforts in securing trust boundaries and interconnection agreements with external systems
- Contribute to the establishment and optimization of defensible security processes where existing policy is absent
- Apply knowledge of IA policy and enterprise cybersecurity architecture to secure networks, compute environments, and enclave systems
- Facilitate productive engagement with multidisciplinary teams and stakeholders across technical and policy domains
- 9+ years as an ISSE on large-scale, multi-tiered programs
- Bachelor's degree in a related field; or 7+ years with a Master’s degree; or 13+ years with a high school diploma or equivalent
- Strong working knowledge of TCP/IP, networking fundamentals, and common enterprise architectures
- DoD 8570 compliance at IAT Level II (Security+, SSCP, CCNA-Security, or GSEC required)
- Experience with DISA STIGs/SRGs, system hardening, and compliance tools and workflows
- Familiarity with RMF accreditation packages, POA&Ms, and eMASS or similar A&A systems
- Hands-on experience using security scanning tools and interpreting scan results to drive mitigation strategies
- US citizenship and an active TS/SCI with CI Polygraph security clearance required
- CISSP-ISSEP certification strongly preferred
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