Senior Cyber Security Engineer

Senior Cyber Security Engineer - Mantech

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MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA
.

Senior Cyber Security Engineers are responsible for the quality of cyber security-related solution delivery, development, testing, and deployment in support of cyber security efforts. You will help create secure and efficient cyber solution components based on defined requirements and mission objectives. The successful candidate must possess the ability to work both independently and within a collaborative team environment.

• Maintain operations of identity and access management services including directory, access, identity, and privileged access management services
• Maintain infrastructure in cloud or virtualized environments
• Perform Linux-based system upgrades and patches
• Engineer and deploy a Multi-Factor Authentication (MFA) solution
• Manage Continuous Monitoring (CONMON) activities
• Maintain Authority to Operate (ATO)
• Provide status reports in an Agile environment
• Periodically provide after-hour support

• Bachelor’s degree in an Information Technology field, or 4+ years of additional experience in lieu of a degree
• 5+ years of cyber experience in support of mission systems
• Experience working in LINUX environments
• Proficiency with LDAP directories and database management
• Ability to create scripts (e.g., Python, Bash) to support automation efforts
• Understanding of cybersecurity frameworks and best practices
• Familiarity with cloud security and virtualized infrastructure technologies
• Ability to troubleshoot system-level issues and conduct root cause analysis
• Must have or be willing to obtain IAT Level II certification within 6 months of hire (e.g., Security+, GSEC, SSCP)

• Experience with Ansible and writing automation playbooks
• Experience with PKI principles and certificate lifecycle management
• Hands‑on experience with identity federation technologies (e.g., SAML, OAuth)
• Experience working in Agile and Dev Ops environments
• Understanding of Identity and Access Management (IAM) concepts and solutions
• Experience with system hardening and compliance standards (e.g., STIGs, CIS Benchmarks)

• Must have a current/active TS/SCI with Polygraph

• The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, or virtual communication, which may involve delivering presentations.

Mid‑Senior level

Full‑time

Information Technology

Software Development