> Markdown version of [/jobs/ext/2659880-senior-information-system-security-engineer-isse-ts-sci-clearance-and-current-polygraph-required](https://www.wearedevelopers.com/jobs/ext/2659880-senior-information-system-security-engineer-isse-ts-sci-clearance-and-current-polygraph-required). 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 System Security Engineer (ISSE) (TS/SCI Clearance And Current Polygraph Required) - **Company:** J&T Business Consulting - **Location:** Annapolis, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Communications Protocols, Cyber Security, Information Security Management, Nmap, Wireshark, Web Services, Software Security, Nessus, Server Operating Systems & Platforms - **Published:** August 24, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=7912b5b97463f3fa ## About the Role * Must have at least 12 years of experience working as an ISSE on a large technical program. * Must have a solid understanding of security practices and policies and hands-on vulnerability testing experience. * Must have experience applying Risk Management Framework. * Must have experience formulating and assessing IT security policy. * Must have demonstrated knowledge of and experience with common security tools, such as Nessus, NMAP, and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services. * Must have experience with secure configurations of commonly used desktop and server operating systems. * Must be comfortable working on multiple systems and components simultaneously in various configurations. * Must have strong verbal and written communication skills. * Must be committed to adopting and adhering to best practices. * Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs. * Must be capable of performing high-quality work both independently and with a team in a fast-moving environment. * IASAE Level 2 or 3 required. * Active TS/SCI security clearance with a current polygraph is required ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How I saved 200K/yr in direct costs writing 0 code lines in K8s](https://www.wearedevelopers.com/videos/1055-how-i-saved-200k-yr-in-direct-costs-writing-0-code-lines-in-k8s) - [Software Security 101: Secure Coding Basics](https://www.wearedevelopers.com/videos/220-software-security-101-secure-coding-basics) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Let’s write an exploit using AI](https://www.wearedevelopers.com/videos/1004-let-s-write-an-exploit-using-ai) - [DevSecOps culture](https://www.wearedevelopers.com/videos/783-devsecops-culture) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)