Information System Security Engineer

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary.

Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Information System Security Engineer (ISSE) to join our team in Virginia Beach, VA. This is a hybrid position with 1-2 days onsite and 2-3 days remote.

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.

• Perform cyber security research under NAVSEA for cloud and network solutions
• Develop, define, and aid in implementing cyber security policies and processes
• Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirements
• Support A&A packages for multiple projects
• Apply security expertise to new modernization cyber solutions that provide confidentiality, integrity, availability, authentication, and non-repudiation for security policies and memorandum for records
• Develop Plan of Action and Milestones with proper Mitigations or Remediations accordingly
• Develop approaches to mitigate IS and Cloud Network Environment vulnerabilities and recommend changes to network or network system components as needed
• Travel up to 25%

• High School Diploma, and 8+ years of relevant experience
• 5+ years developing secure solutions for incident response, business continuity, and disaster recovery
• 3+ years 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 be familiar with the use and operation of security tools including STIG Viewer, eMASSter, and Tenable Nessus and/or Security Center
• Experience with cloud brokerages, preferably Navy
• 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

• Bachelor's Degree
• 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

Must have an active Secret security clearance.

• The person in this position must be able to remain in a stationary position 50% of the time.
• Must be able to move around the office and operate office equipment.
• Frequently communicate with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.