Information Systems Security Engineer

MANTECH seeks a motivated, career and customer-oriented Information Systems Security Engineer 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. Responsibilities include but are not limited to: + 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% Minimum Qualifications: + High School Diploma + 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 across access control, PAM, data security, network and cloud security, DLP, vulnerability and configuration management, privacy, and audits + Hands-on experience with STIG Viewer, eMASSter, and Tenable Nessus and/or Security Center + Experience supporting federal cybersecurity compliance and frameworks, including FISMA, RMF, FEAF, DoDAF, NIST CSF, NIST 800-series, FedRAMP, and cloud security controls + Active CompTIA Security+ certification required + Experience with cloud brokerages (Navy preferred) Preferred Qualifications : + 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 Clearance Requirements: + Must have an active Secret security clearance. Physical Requirements: + 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.

Created: 2026-02-05