Information Systems Security Engineer

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role. MANTECH seeks a motivated, career and customer-oriented Junior Information Systems Security Engineer (ISSE) to join our team in Virginia Beach, VA . This is a hybrid position with 2-3 days onsite and 2-3 days remote. This critical role focuses on the full lifecycle of cybersecurity engineering, from initial system design to maintaining a Continuous ATO (cATO) posture through diligent Annual Security Reviews (ASRs). Responsibilities include but are not limited to: Performing cyber security research under NAVSEA for cloud and network solutions Assist in identifying information protection needs and defining security requirements for Information Systems (IS) and Cloud Network Environments. Support the design of security architecture and the implementation of specific cybersecurity countermeasures. Assist in cyber incident reviews and reporting. Conduct onsite SIPR-based research to retrieve and analyze incident data classified at the Secret level. Assist in performing Interconnection Approval (IAP) requests, Boundary Change Requests (BCRs), Privacy Impact Assessments (PIA), and Ports, Protocols, and Services Management (PPSM). Participate in Authorization to Operate (ATO) efforts using RMF, NIST 800-series, and Navy-specific guidance. Assist with auditing and updating IL5 & IL6 eMASS instances, including inheritance, POA&M, hardware, software, DADMS, diagrams for Secure Cloud Computing Architecture and Cloud Hosting Environments. Lead self-assessments and STIG reviews to ensure system hardening compliance. Manage the annual security review of full ATO packages to ensure on-time submission, extending accreditation dates and maintaining the Continuous ATO model. Track tasks via GitHub , creating and maintaining metadata (milestones, projects, descriptions and board linkages). Collect and integrate the latest Navy guidance to ensure issue templates and security documentation remain current. Minimum Qualifications: Bachelor’s degree in Computer Science, IT, Engineering, or a related technical field and 1 year of relevant Information Systems experience OR High School diploma and 4 years of relevant Information Systems experience may be substituted in lieu of degree Active Security Certification (or other DoD 8570/8140 IAT Level II compliant certification). Preferred Qualifications: Knowledge of Navy Cloud brokerages and DoD and Navy-specific RMF guidance. Experience with GitHub for project tracking or documentation management. Familiarity with Federal compliance standards: FISMA, NIST Cybersecurity Framework, and FedRAMP. Understanding of technology for implementing security controls (Access Control, PAM, Data Loss Prevention, and Configuration Management). Clearance Requirements: Must be able to obtain and maintain 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.aa415a4b-8b21-40fc-a65c-70d2b25ca29a