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# Senior Principal Cyber Support Developer

- **Company:** Mantech International Corporation
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Salary:** $179,300 - $318,400
- **Contract:** Permanent contract
- **Skills:** Data Analysis, CompTIA Security+, Cyber Security, Information Systems, System Configuration, Internet Security, Linux System Administration, Network Architecture, Systems Development Life Cycle, Server Administration, Service Pack, Software Engineering, System Availability, Virtual Environment, Reliability of Systems, Kubernetes, Information Technology, AWS EKS, Servicenow
- **Published:** November 5, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-principal-cyber-support-developer-chantilly-va--b873db6e-211b-422a-955d-16686dfacde0

## About the Role

Intelligence Agencies, Internet Security, Data Analysis, Government Intelligence, Software Development, Customer Relations, Scalable System Development, Systems Reliability, Information Technology & Information Systems, Computer Security, * Bachelors degree or 4+ years of additional work experience in lieu of degree

 * 7+ 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.

## Description

* 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.