Senior Principal Cyber Support Developer with Security Clearance

MANTECH seeks a motivated, career and customer-oriented Senior Principal Cyber Support Developer to join our team in Chantilly, VA. This role supports key development efforts and will contribute to building scalable, high-quality solutions that align with mission needs. Responsibilities include but are not limited to:

• Maintain enterprise IT infrastructure, ensure system reliability and help maintain overall system security in a virtualized environment.
• Identify and implement best-practice solutions for complex technical problems.
• Maintain server infrastructure and perform system upgrades.
• Provide technical support to ensure system availability and security.
• Manage user access controls and deploy security patches.
• Configure and manage network infrastructure and automate pipelines.
• Collaborate with internal stakeholders and team members to build solutions that support business requirements.

Minimum Qualifications

• Bachelor's degree or 4+ years of additional IT and/or cyber experience in lieu of degree.
• 7+ years of IT experience.
• Experience supporting large, complex software development projects.
• Experience with configuring and maintaining virtual environments.
• Experience with maintaining ServiceNow instances.
• IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or the ability to obtain within 6 months of hire.

Preferred Qualifications

• Demonstrated experience with Kubernetes orchestration, GitLab CI/CD pipeline implementation, AWS EKS management and Linux server administration.
• Ability to diagnose complex technical issues, develop effective solutions and provide timely delivery of resolutions.
• Certified ServiceNow Administrator (CSA).

Clearance Requirements

• An active TS/SCI with Polygraph is required for this position.

Physical Requirements

• 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, and or virtual communication, which may involve delivering presentations.