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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Information Systems Security Engineer - **Company:** Mantech International Corporation - **Location:** Huntsville, AL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Cyber Security, Information Systems, Data Security, Information Security Management, Interoperability, Information Systems Security Architecture Professional, Information Systems Security Engineering Professional, Network Security, Nmap, Office Suite, Software Vulnerability Management, Software Security, Information Technology, Tenable Nessus, Plan of Action and Milestones - **Published:** August 18, 2026 - **Apply:** https://www.dice.com/job-detail/1bb0682f-ac20-485b-887d-6bf3a4c462a2 ## About the Role * Must meet one of the following levels of experience: A high school diploma/GED and 14 years? experience, an Associate?s degree and 10 years? experience, a Bachelors degree and 8 years? experience, or a Master?s and 6 years? experience. * Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software Lifecycle Professional (CSSLP), CISSP- Information System Security Engineering Professional (ISSEP), Certified Information Security Manager (CISM), or CISSP- Information System Security Architecture Professional (ISSAP). * Familiarity with the use and operation of security tools including: Tenable Nessus and/or Security Center, IBM Guardium, HP WeblInspect, Network Mapper (NMAP), and/or similar applications. * Working knowledge of the National Institute of Standards and Technology (NIST) Risk Management Framework (RMF) and ATO processes. * Experience with vulnerability management programs, including identification, tracking, and remediation of CVEs and Known Exploited Vulnerabilities (KEVs). * Knowledge of federal cybersecurity directives and frameworks, including CISA Emergency Directives (EDs), Binding Operational Directives (BODs), and DOJ Vulnerability Patch Requirements (VPRs). * Experience with Risk Management Framework (RMF), POA&M tracking, and governance, risk, and compliance (GRC) tools., * Degree in Computer Science, Cybersecurity, or other cyber discipline. * Ability to operate in high-tempo environments with rapid response requirements and strict deadlines. * Strong organizational and process improvement skills to support reporting, tracking, and compliance initiatives. Security Clearance Requirements: * Must have an active TOP SECRET security clearance and be willing and able to obtain SCI eligibility prior to start. * Selected candidate must be willing to undergo a Polygraph. Physical Requirements: * Must be able to remain in a stationary position 50% * Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. * Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer * Often positions self to maintain computers in the lab, including under the desks and in the server closet * Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations ## Description * Define and implement cybersecurity requirements, architectures, and secure system designs across information systems and network environments * Design, develop, and integrate security solutions, including Cross Domain Solutions (CDS), to support secure data flow and system interoperability * Implement network security controls and countermeasures to ensure confidentiality, integrity, availability, authentication, and non-repudiation * Identify, assess, and mitigate system and network vulnerabilities, recommending enhancements to strengthen overall security posture * Maintain and track vulnerability data, POA&Ms, and remediation activities using GRC and enterprise tracking tools * Lead stakeholder engagement through office hours, guidance, and updated procedures to support vulnerability management and compliance efforts * Provide rapid response to data calls, RFIs, and leadership inquiries, including escalation and reporting of high-risk or non-compliant remediation actions ## Related Videos - [One Platform Could Not Fit Them All](https://www.wearedevelopers.com/videos/1919-one-platform-could-not-fit-them-all) - [Crypto-secure Data Management with In-Database Blockchain](https://www.wearedevelopers.com/videos/632-crypto-secure-data-management-with-in-database-blockchain) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Organizational Change Through The Power Of Why - DevSecOps Enablement](https://www.wearedevelopers.com/videos/478-organizational-change-through-the-power-of-why-devsecops-enablement) - [How Sparking Developer Joy Unlocks Developer Productivity](https://www.wearedevelopers.com/videos/613-how-sparking-developer-joy-unlocks-developer-productivity) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## 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) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)