Senior Cyber Support Developer

About the role

MANTECH is seeking a motivated Senior Cyber Support Developer to join its team in Chantilly, VA or Denver, CO. The role supports key development efforts, building scalable, high‑quality solutions that align with mission needs for government intelligence agencies.

Key responsibilities

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

Required profile

• 5+ years of software administration experience.
• Experience supporting large, complex software development projects and maintaining virtual environments.
• Experience with ServiceNow instance management.
• Current IAT Level II certification (GSEC, Security+, SSCP, or CCNA‑Security) or ability to obtain within 6 months.
• Active TS/SCI clearance with polygraph.

Required skills

• ServiceNow administration.
• Kubernetes orchestration.
• GitLab CI/CD pipeline implementation.
• AWS EKS management.
• Linux server administration.
• Virtual environment configuration.

What we offer

• Health Insurance, Life Insurance, Paid Time Off, Holiday Pay.
• Short‑term and long‑term Disability coverage.
• Retirement and Savings plans.
• Learning and Development opportunities, wellness programs, and other optional benefits.