> Markdown version of [/jobs/ext/3852139-senior-information-systems-security-engineer-ts-sci-ci-poly](https://www.wearedevelopers.com/jobs/ext/3852139-senior-information-systems-security-engineer-ts-sci-ci-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Information Systems Security Engineer - TS/SCI CI Poly - **Company:** Tenica and Associates - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Cyber Security, Geospatial Intelligence, Identity and Access Management, Network Security, Network Planning and Design, System Testing, Vulnerability Analysis - **Published:** October 21, 2026 - **Apply:** https://www.thejobnetwork.com/job/07db8467-45b0-4995-8e8c-93233a0b7ff6/senior-information-systems-security-engineer-tssci-ci-poly ## About the Role * Current U.S. Government Top Secret clearance with SCI eligibility * Favorably adjudicated Polygraph * DoD 8570 certification in IAT or IAM * Experience with crypto, COMSEC and GEOINT Desired Qualifications: * Bachelors of Science Degree in Science, Technology, Engineering or Mathematics (STEM) or an advanced IA certification (i.e. CISSP or CASP) * 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 customer's IA processes * Experience with IA vulnerability testing and related network and system test tools (i.e. retina, HBSS, EVSS, ACAS) * Experience supporting IC or DoD in the Cyber Security Domain ## Description The Senior Information Systems Security Engineer provides support to the customer in the area of Cyber Security. Daily Tasks include, but are not limited to: · Provides analytical and technical security recommendations to the customer · Lead for the identification of projects' security requirements · Participates in network design reviews and security testing for the customer's networks · Coordinates with systems' development teams to ensure network security standards are being followed and implemented correctly · Reviews and analyzes new systems (hardware and software) and provides recommendations concerning their security