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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Information System Security Engineer - **Company:** General Dynamics Information Technology - **Location:** Reston, VA, United States - **Experience:** Expert - **Salary:** $161,500.0 - $218,500.0 - **Contract:** Contract - **Skills:** Cloud Computing, Cyber Security, Information Systems, Linux, Information Security Management, Network Architecture, Data Streaming, System Testing, Splunk - **Published:** August 20, 2026 - **Apply:** https://www.juju.com/job/00000000go0823 ## About the Role Critical Systems,Security Controls,Security System Experience: 8 + years of related experience, + Education: Bachelor Degree in an area applicable to this position + Required Experience: 8+ years of related experience + Advanced Windows administration capabilities and Linux proficiency + Practical experience deploying, maintaining, and troubleshooting security tools + Experience with C2S Cloud, or DevOpsSec + Required Technical Skills: Must be 8570 compliant (IAT Level 2) by date of security indoctrination with any necessary certifications. + Security Clearance Level: TS/SCI and Poly + Experience with: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guide (STIG)'s. + Required Skills and Abilities: Excellent communication, problem solving, team player + Experience as an ISSO, ISSM, ISSE, or Security Controls Assessor. + Experience with Special Access Programs (SAPs) and Intelligence Community. ## Description Deliver security related solutions for enterprise information systems and network architectures as an Information System Security Engineer at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in systems security, you'll ensure information systems, networks and architectures are secure and ready to support mission critical requirements. At GDIT, people are our differentiator. As an Information System Security Engineer, you will help ensure today is safe and tomorrow is secure. Our work depends on Information Systems Security Engineers joining our team to protect data flows for a wide range of devices. HOW AN INFORMATION SYSTEM SECURITY ENGINEER WILL MAKE AN IMPACT + Provides technical expertise to ensure systems meet Information Assurance (IA) requirements and are properly accredited. + Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected. + Assist IA team in established Authorization and Accreditation (A&A) process using a risk mitigation framework (RMF) across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO). + Offers technical engineering services for the support of integrated security systems and solutions, managing information-related risks effectively. + Works closely with the client during the strategic design process to translate security and business requirements into actionable technical designs. + Develop comprehensive system test plans (STP) to assess the security posture of the information systems. + Analyze scan results and security findings to prioritize remediation efforts and implement corrective measures. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [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) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)