> Markdown version of [/jobs/ext/2059781-information-system-security-officer](https://www.wearedevelopers.com/jobs/ext/2059781-information-system-security-officer). 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). --- # INFORMATION SYSTEM SECURITY OFFICER - **Company:** Mantech International Corporation - **Location:** Chantilly, VA, United States - **Experience:** Experienced - **Contract:** Internship / Graduate position - **Skills:** Cyber Security, Databases, Information Security Management, Systems Development Life Cycle, SAP (Applications), Security Content Automation Protocol, Information Technology, Nessus, National Industrial Security Program Operating Manual (NISPOM) - **Published:** August 14, 2026 - **Apply:** https://www.careerboard.com/us/en/find-jobs-in-United-States/-F0D09478343E555B02/ ## About the Role * Bachelor's Degree and at least 5 years of experience in Cybersecurity, Information Technology, Computer Science, or other relevant technical field; Experience can be any combination professional experience, internships, lab work or coursework. An additional 2 years of experience may be substituted in lieu of degree. * At least three years' experience with Risk Management Framework, JSIG, or similar security frameworks. * Department of Defense (DoD) 8570/8140 Compliant, IAT Level III within 6 months of hire date * Strong Analytical and Critical Thinking Skills, Interpersonal and People Skills, Leadership Skills, Listening Skills, Multi-Tasking Ability, Communication Skills, Organizational Skills, Presentation Skills, * A bility to obtain and maintain customer system accreditations through the System Development Life Cycle (SDLC) * Experience providing continuous monitoring, security reviews, and technical inspections to enforce security policies, controls and procedures and mitigate identified vulnerability and weaknesses * Ability to work well in a team environment and work well under pressure. Security Clearance Requirements: * Must have a current/active Top-Secret/SCI clearance with the ability to obtain and maintain a polygraph * Eligibility for access to Special Access Program information (SAP) Physical Requirements: * Must be able to remain in a stationary position up to 75% of the time * Must be able to move about inside the office to access file cabinets, office machinery * Must be able to position self to maintain office supplies on variable height shelving. * The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. * Must be able to exchange accurate information in these situations ## Description * Ensures network nodes are operated, maintained, and disposed of in accordance with security policies and practices. * Perform Information System Security Officer (ISSO) duties in support of in-house and external customers. Also, perform duties as the alternate Information Systems Security Manager (ISSM). * Cyber security paperwork (compliance) and Information Assurance (IA) controls. * Develop supporting documentation and apply standards, directives, guidance, policies, and security control to classified computing environments in support of Intelligence Community Directive (ICD) 503 * Utilizing one or more Risk Management Framework implementation methods to include but not limited to; JSIG, CNSSI 1253, NIST SP 800-53, NIST SP 800-171, DoDM-5220-22 (NISPOM) * Assist in preparation and review documentation to include System Security Plans (SSPs), Risk Assessment Reports (RAR), Security Controls Traceability Matrix (SCTM), and other Assessment & Authorization (A&A) artifacts * Learn and conduct independent scans of the application, network, and database with tools such as Nessus, DISA STIGS compliance check and SCAP (SCC) ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [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) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Dev Digest 191: Malware interviews, EU ❤️ Open Source and Skilled Agents](https://www.wearedevelopers.com/magazine/645-dev-digest-191-malware-interviews-eu-open-source-and-skilled-agents) - [Walking Into The Era of Supply Chain Risks](https://www.wearedevelopers.com/magazine/106-walking-into-the-era-of-supply-chain-risks) - [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)