Senior Cyber Security Analyst
ManTechAbout the role
General information
Description & Requirements
MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Analyst to join our team in Virginia Beach, VA. This is an onsite position.
As a Senior Cyber Security Analyst, you will provide direct support to the Advance Electronic Systems (AES) team and its customers in support of Risk Management Framework (RMF) activities. This role focuses on security control implementation, assessment, continuous monitoring, and RMF compliance, with primary emphasis on Linux systems and supporting knowledge of Windows environments. You will serve as the point of contact for all cybersecurity-related matters, including security control implementation, documentation, and compliance activities.
Responsibilities include, but are not limited to:
Prepare for Risk Management Framework (RMF) execution and perform system categorization by conducting comprehensive mission analysis, defining the authorization boundary with detailed network diagrams, hardware/software inventories, and data flow documentation. Determine mission criticality and apply relevant overlays to establish the appropriate security control baseline per NIST SP 800-53 Rev 5 and DoD/Navy policy
Select, tailor, implement, and assess security controls using DISA STIGs (with emphasis on Linux platforms), SRGs, SCAP, ACAS/Nessus vulnerability scans, and NIST SP 800-53A Assessment Procedures. Perform hands-on configuration, hardening, log analysis, and remediation on Linux systems, while applying equivalent controls and STIGs to Windows endpoints. Execute testing, validate configurations and access controls, document implementation status, test results, and evidence in eMASS, and manage POA&M entries with complete risk analysis
Support system authorization by maintaining a complete and accurate RMF package in eMASS, including the SSP, POA&M, and supporting documentation. Coordinate workflow actions for Authorizing Official decision-making
Conduct continuous monitoring by implementing the System Level Continuous Monitoring (SLCM) Strategy, wi
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