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# Information Systems Security Engineer

- **Company:** Mantech International Corporation
- **Location:** Stafford, VA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Cloud Computing Security, Cyber Security, Network Monitoring, Systems Development Life Cycle, Trend Micro, SAP (Applications), Systems Architecture, Software Vulnerability Management, System Availability, Fireeye
- **Published:** May 14, 2026
- **Apply:** https://www.juju.com/job/00000000fzjdbw

## About the Role

+ Bachelor's degree and at least at least 4+ years of progressively responsible experience in Information Systems Security. A minimum of 7+ years' experience without a degree.

 + Significant experience performing ISSE duties including influencing system architecture and integrating security controls within the SDLC

 + Experience conducting vulnerability management using ACAS scanning, STIGs, and patching to ensure system integrity

 + Proven experience navigating RMF processes and facilitating accreditation efforts for ATO and IATT authorizations Active DoD 8570/8140 Baseline Certification such as CASP+, CYSA+, or Security **Preferred Qualifications:**

 + Bachelor of Science in Information Systems Security or a related technical field

 + Experience with cloud security platforms including AWS Cloud Practitioner and Azure Fundamentals certifications

 + Advanced expertise in endpoint security applications such as Trend Micro, Carbon Black, or FireEye

 + Experience leading Agile/Scrum sprints and utilizing Azure DevOps for task planning and backlog grooming

Clearance Requirements:

 + Must possess active Top Secret clearance and be able to obtain and maintain a TS/SCI and SAP clearance eligibility.

Physical Requirements:

 + Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time.

## Description

+ Serve as the security engineering subject matter expert on development teams to influence system architecture and ensure security control integration.

 + Install, configure, and maintain hardware and software to maximize system availability and monitor network performance.

 + Validate and verify system security requirements definitions and analysis to establish and maintain system security baselines.

 + Support security authorization activities in compliance with DoD RMF and NIST RMF processes for security engineering.

 + Engineer and implement security-focused scripts and automation tools to streamline vulnerability management and compliance checks.

 + Facilitate system accreditation efforts to secure ATO and IATT authorizations by coordinating control assessments and auditing compliance.


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