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# 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:** October 25, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=69b4f204057545c4

## 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.