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# Senior Cloud Information System Security Engineer

- **Company:** Mantech International Corporation
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Xacta, Amazon Web Services, Cloud Computing, Cloud Computing Security, Cyber Security, Information Systems, Information Security Management, Information Systems Security Architecture Professional, Information Systems Security Engineering Professional, Information Technology
- **Published:** October 26, 2026
- **Apply:** https://www.dcjobsite.com/job.asp?id=3468148801&tx=JP10801LFU&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* 10 + years of experience in secure design, analysis, and test of information security systems and products.
 * 10 + years of experience applying methods, standards, and approaches for ensuring baseline security safeguards are appropriately implemented and documented.
 * 10 + years of experience creating and updating security test plans for detecting and mitigating risk to information systems.
 * Bachelor's degree or equivalent (6 additional years of experience) or Master's degree with 7 + years of relevant experience.
 * Must possess one of the following DoD 8140.03 Advanced proficiency certifications: CCISO, CISA, CISM, CISSP, CISSP-ISSEP, CISSP-ISSAP, CySA+, GSLC, GSNA, CCNP Enterprise, GCIA, GDSA, or GICSP., * Possession of a Cloud certification (e.g., AWS Certified Security - Specialty, CCSP, AWS Solutions Architect Associate, AZ-500, or Google Professional Cloud Security Engineer).
 * Demonstrated experience leading RMF lifecycle teams across cloud and hybrid enterprise environments.
 * Experience with DOJ/FBI GRC applications such as Xacta or JCAM.

Clearance Requirements:

 * Active Top Secret clearance with SCI eligibility is required.

Physical Requirements:

 * Must be able to remain in a stationary position 50% of the time.
 * Needs to occasionally move about inside the office to access file cabinets and office machinery.
 * Frequently communicates with co-workers, management, and customers, and must be able to exchange accurate information in these situations.

## Description

* Lead, mentor, act as a SME (Subject Matter Expert) and supervise a team of contractor security professionals responsible for the end-to-end implementation of the Risk Management Framework (RMF) lifecycle for FBI IT systems.
 * Oversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained.
 * Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements.
 * Advise on the selection, tailoring, and documentation of security controls aligned with system categorizations, Bureau risk appetite, and compliance requirements.
 * Oversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables.
 * Ensure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards.
 * Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.