> Markdown version of [/jobs/ext/2208496-information-systems-security-engineer](https://www.wearedevelopers.com/jobs/ext/2208496-information-systems-security-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).

---

# Information Systems Security Engineer

- **Company:** Mantech International Corporation
- **Location:** Norfolk, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Software Applications, Cyber Security, Information Systems, Linux, Office Suite, Service Pack, Information Technology, Vmware
- **Published:** August 24, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9106351/information-systems-security-engineer

## About the Role

* Bachelor's degree in Computer Science or other related technical field and 5+ years of relevant information systems experience, or an Associates degree and 8+ years of relevant information systems experience, or a High School Diploma and eleven 11+ years of information systems relevant experience in lieu of Bachelors degree.
 * Experience identifying and analyzing systems requirements
 * Experience developing and maintaining system applications and security
 * Experience providing user support and guidance
 * Experience recommending and implementing security upgrades, security patches, and new applications vulnerabilities for installed equipment
 * Experience ensuring proper documentation, coordination, and maintenance of multiple systems
 * Experience of DIACAP and RMF are required as well as ACAS experience and DISA ACAS certification
 * Experience with eMass
 * Computing Environment/Operating System (CE/OS) certifications (Preferably VMware, Linux and/or Microsoft Windows 2022), * Relevant work experience as an ISSE within a U.S. Government environment, DoD strongly preferred.
 * Active SEC+ CE certification.
 * Master's degree in computer science or related technical field.
 * Active Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance.

Clearance Requirements:

 * US citizenship required an and active Secret security clearance

Physical Requirements:

 * Must be able to remain in a stationary position 50%
 * Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
 * The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

## Description

* Perform, support, or review security assessments to identify vulnerabilities or non-compliance and recommend activities to mitigate or eliminate identified threats.
 * Validate, and verify complex system-wide security requirements based on analysis of user, policy, regulatory, and resource demands.
 * Design, develop, and deploy security system architectures to meet evolving customer needs.
 * Design, develop, implement and/or integrate security components including for networking, computing, and multi-enclave environments.
 * Assist in the development and implementation of security functionality in varied products and services across the enterprise environment.
 * Review, provide feedback, and help update and maintain project and program documentation which contain IS stipulations, such as system security plans (SSP), certification and accreditation (C&A) packages, and other system design artifacts.
 * Enforce compliance with security authorization activities in accordance with Government standards and the RMF.


## Related Videos

- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [One Platform Could Not Fit Them All](https://www.wearedevelopers.com/videos/1919-one-platform-could-not-fit-them-all)
- [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing)
- [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker)
- [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure)
- [How Sparking Developer Joy Unlocks Developer Productivity](https://www.wearedevelopers.com/videos/613-how-sparking-developer-joy-unlocks-developer-productivity)

## Related Articles

- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [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)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [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)