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# Information Systems Security Engineer (ISSE) - TS/SCI CI Poly in Chantilly

- **Company:** Energy Jobline
- **Location:** Chantilly, VA, United States
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Cyber Security, Identity and Access Management, Network Security, Network Planning and Design, Systems Development Life Cycle, System Testing, Wide Area Networks, Computer Equipment, Splunk, Servicenow, Vulnerability Analysis
- **Published:** October 3, 2026
- **Apply:** https://www.energyjobline.com/job/information-systems-security-engineer-isse-ts-sci-ci-poly-chantilly-31846739

## About the Role

Required:

 * Current U.S. Government Top Secret clearance with SCI eligibility
 * Favorably adjudicated Polygraph
 * Bachelors of Science Degree in Science, Technology, Engineering or Mathematics (STEM) or an advanced IA certification
 * DoD 8570 certification in IAT or IAM
 * Experience in security systems engineering involving various computer hardware and software operation systems and application solutions in both stand-alone and LAN/WAN configurations
 * Experience with security features and/or vulnerability of various operating systems as defined by NIST, DISA (STIGs), and USCYBERCOM
 * Experience with networks and systems security administration, operation systems security configuration and account management best practices
 * Experience implementing RMF Process and NIST 800-53 technical controls, as well as developing and maintaining associated certification and accreditation documentation

Desired:

 * Self-starter requiring limited direction and supervision
 * Experience briefing senior customer personnel
 * Ability to organize and prioritize numerous customer requests in a fast pace deadline driven environment
 * Familiarity with the customer's Lifecycle Readiness process
 * Familiarity with Amazon Web Services (AWS)
 * Familiarity with customer's IA processes
 * Experience with IA vulnerability testing and related network and system test tools (i.e. retina, HBSS, EVSS, ACAS)
 * Experience with Splunk and ServiceNow
 * Familiarity with Cross Domain Systems (CDS)
 * Experience supporting IC or DoD in the Cyber Security Domain

## Description

The Information Systems Security Engineer (ISSE) provides support to the customer in the area of Cyber Security. Daily tasks include, but are not limited to:

 * Provide analytical and technical security recommendations to the customer
 * Lead the identification of projects' security requirement
 * Participate in network design reviews and security testing for the customer's networks
 * Coordinate with system development teams to ensure network security standards are followed and implemented correctly
 * Identify additional security requirements, based on RMF or as the result of security issues that put the customer's systems at risk
 * Reviews and analyzes new systems (hardware and software) and provides recommendations concerning system security
 * Review Security Requirements Traceability Matrixes (SRTMs), System Security Plans (SSPs) and other IA documentation for completeness
 * Provide A&A and RMF guidance to system owners to ensure accreditation success