Senior Cyber Support Developer

MANTECH; Denver (CO); On-site; USD 120,000 - 180,000; Full time

Job summary

MANTECH in Denver, CO seeks a Senior Cyber Support Developer to join our team. This role supports development efforts and builds scalable, high-quality solutions aligned with mission needs.

Responsibilities include maintaining IT infrastructure, enhancing system security, and collaborating with stakeholders to deliver timely resolutions. A TS/SCI with Polygraph is required, with growth opportunities in Kubernetes, GitLab CI/CD, and AWS EKS environments.

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.
• IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or ability to obtain within 6 months.

Responsibilities

• 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.

Skills

Software administration

Large projects

Virtual environments

Education

IAT Level II Certification

Tools

Kubernetes

GitLab CI/CD

AWS EKS

Linux admin

Job description

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.