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# Senior Information System Security Engineer

- **Company:** Mantech International Corporation
- **Location:** Norfolk, VA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Cloud Computing, Cloud Computing Security, Configuration Management, Cyber Security, Computer Networks, Information Leak Prevention, Data Security, Disaster Recovery, Federal Enterprise Architecture, Information Security Management, Information Systems Security Architecture Professional, Information Systems Security Engineering Professional, Network Security, Software Vulnerability Management, Cloud-native Network Functions (CNF), Cloud Platform System, Software Security, Navsea, Information Technology, Tenable Nessus, DODAF, Plan of Action and Milestones
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9277742/senior-information-system-security-engineer

## About the Role

* Bachelor's degree in Computer Science, Information Technology, Engineering, or a related technical field, and 8+ years of relevant experience
 * 5+ years of developing secure solutions for incident response, business continuity, and disaster recovery
 * 3+ years of implementing security controls and policies with emerging cybersecurity technologies, including access control, privileged access management, data security, network security, data loss prevention, cloud security, vulnerability management, configuration management, privacy, and audits
 * Must have an active Security+ certification
 * Must have an AWS Cloud Certification
 * Must be familiar with the use and operation of security tools including AWS Inspector, STIG Viewer, eMASSter, and Tenable Nessus and/or Security Center
 * Knowledge and experience working with federal compliance and guidance, including FISMA, RMF, Federal Enterprise Architecture Framework, DoDAF, NIST Cybersecurity Framework, NIST 800 series, FedRAMP and cloud-based security controls, * Experience with cloud systems, cloud hosting environment, or cloud brokerages, preferably Navy
 * Master's degree in Computer Science, Information Technology, Engineering, or a related technical field
 * One of the following certifications: Certified Information Systems Security Professional (CISSP), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software Lifecycle Professional (CSSLP), CISSP- Information System Security Engineering Professional (ISSEP), or CISSP- Information System Security Architecture Professional (ISSAP) or an equivalent security certification

Clearance Requirements:

 * Must possess an active Secret Clearance

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, climb ladder wells on vessels, etc.
 * Frequently communicates with co-workers, management, and customers, which may involve attending meetings.
 * Must be able to exchange accurate information in these situations.

## Description

As an ISSE, you will have the opportunity to work on innovative and mission-critical and national security projects. You will collaborate with a skilled team of professionals, responsible for developing accreditation packages for cloud systems in both AWS and Azure environments. This position offers great opportunities for technical growth and improved experience in Cyber Security., * Performing cyber security research under NAVSEA for cloud and network solutions

 * Developing, defining, and aiding in implementing cyber security policies and processes
 * Defining IS and Network Environment security requirements in accordance with applicable cybersecurity requirements
 * Supporting A&A packages for multiple projects
 * Applying security expertise to new modernization cyber solutions that provide confidentiality, integrity, availability, authentication, and non-repudiation for security policies and memorandum for records
 * Developing Plan of Action and Milestones with proper Mitigations or Remediations, accordingly
 * Developing approaches to mitigate IS and Cloud Network Environment vulnerabilities and recommend changes to network or network system components as needed
 * Travel up to 25%