Senior Cyber Support Developer with Security Clearance

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Support Developer to join our team in Denver, CO. 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 to ensure consistent operational performance.
* Provide technical support to ensure high system availability and robust security posture.
* Manage user access controls, 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. Minimum Qualifications: * 5+ years of software administration experience.
* Experience with supporting large, complex software development projects.
* Experience with configuring and maintaining virtual environments.
* Experience with maintaining and managing ServiceNow instances.
* Hold a current IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or possess the ability to obtain one within 6 months of hire. Preferred Qualifications: * 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) credential. Clearance Requirements: * Must have a current/active TS/SCI with a Polygraph. Physical Requirements: * The person in this position must be able to remain in a stationary position 50% of the time.
* This position requires occasionally moving 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.