> Markdown version of [/jobs/ext/4590185-isse-cybersecurity-engineer](https://www.wearedevelopers.com/jobs/ext/4590185-isse-cybersecurity-engineer). 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). --- # ISSE/Cybersecurity Engineer - **Company:** General Dynamics Information Technology - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Salary:** $122,275 - $165,431 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Biometrics, Software Bug Management, Service Pack - **Published:** November 5, 2026 - **Apply:** https://gdit.wd5.myworkdayjobs.com/External_Career_Site/job/USA-VA-Chantilly/ISSE-Cybersecurity-Engineer--TS-SCI-w-poly_RQ231740-2/apply ## About the Role * Education: BA/BS or equivalent * Experience: 5+ years of related experience * TS/SCI w/poly clearance * US citizenship required, Years of Experience 5 + years of related experience * may vary based on technical training, certification(s), or degree Certification ## Description As an ISSE/Cybersecurity Engineer you will play a crucial role in performing the following tasks: * Work with program development and O&M teams to maintain continuous compliance with RMF and zero-trust principles, eradicate critical vulnerabilities within policy durations, and guarantee the provenance of every software artifact delivered to production. * Apply comprehensive knowledge of the RMF processes, security requirements, and system infrastructure to coordinate continuously with key team members, the Authorizing Official, and the ISSM to maintain accurate and relevant RMF documentation throughout system development, deployment, and O&M. * Maintain required RMF documentation for all systems. * Coordinate with ServiceNow SysAdmins coordinate to maintain software in accordance with security mandates, including testing and deployment of Information Assurance Vulnerability Alert (IAVAs) for Commercial off-the-shelf (COTS) software. * Engage the Government to prioritize and schedule deployment of security patches, bug fixes, configuration updates, system upgrades, and performance improvements. * Act as the CIO GRC RMF liaison to support rapid exchange of SP Fault, Configuration, Ac-counting, Performance, Security/Fulfillment, Assurance, and Billing (FCAPS/FAB) data that identify security issues and support timely response. * Work closely with cybersecurity representatives and data owners to confirm the platform's technical capability to protect mission data, upholding confidentiality, integrity, and availability.