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Linux System Administrator Functional Lead; Secret Security Clearance

Job in Colorado Springs, El Paso County, Colorado, 80901, USA
Listing for: Aegis Aerospace Inc
Full Time position
Listed on 2026-02-24
Job specializations:
  • IT/Tech
    Cybersecurity, IT Support, Systems Administrator, Systems Engineer
Salary/Wage Range or Industry Benchmark: 130000 - 150000 USD Yearly USD 130000.00 150000.00 YEAR
Job Description & How to Apply Below
Position: Linux System Administrator Functional Lead (Secret) with Security Clearance
Position Title:

Linux System Administrator Functional Lead

Location:

Schriever Space Force Base, Colorado Springs, CO Relocation Assistance:
None available at this time Remote/Telework: NO - Not available for this position

Clearance Required:

Active DoD Secret clearance

Work Schedule:

Day shift Travel:
Up to 10% of the time ⚠️ IMPORTANT - READ BEFORE APPLYING
* This position supports a classified Department of Defense mission and is not an entry-level or clearance-sponsoring role.
* Applicants must meet all minimum requirements to be considered. Applications that do not follow the instructions below will be automatically disqualified.
* Only U.S. citizens with an active DoD Secret security clearance will be considered.
* Clearance level must be clearly listed on the resume.
* Resumes must be submitted in month/year format.
* Applicants who do not meet these requirements should not apply.

Position Summary:

Aegis Aerospace is seeking a Linux System Administrator Functional Lead to support the Missile Defense Agency (MDA) under the Integrated Research and Development for Enterprise Solutions (IRES) contract. This position involves managing Linux-based systems for the Missile Defense Space Center, overseeing system security compliance, and mentoring a team of administrators. The ideal candidate will have a strong background in Red Hat environments, container platforms, and leadership in system administration practices.

Key Responsibilities:

* Provide direct support to the Missile Defense Space Enterprise Architecture (MDSEA) organization, ensuring the stability and availability of critical IT infrastructure and services.
* Manage and mentor a team of Linux System Administrators in performing system installations, sustaining existing physical and virtual machines, and configuring hardware, software, peripherals, services, settings, directories, and storage in accordance with established standards and project/operational requirements.
* Assume ownership of, and delegate as needed, tasks derived from project, sustainment, and break/fix requests, ensuring tasks are updated in tracking software
* Administer Linux-based environments, including VMware Tanzu and container repositories/registries.
* Oversee and perform the hardening of Linux systems to ensure Security Technical Implementation Guide (STIG) compliance and that cyber security mitigations are performed in accordance with established policies.
* Develop and maintain system administration documentation, such as Standard Operating Procedures (SOPs) and How-To guides, to facilitate the success of the Linux System Administration team.
* Collaborate with cybersecurity, Dev Sec Ops , Solutions Engineers, and application teams to ensure system administration and compliance practices are consistently maintained.
* Research and recommend innovative, and where possible, automated approaches for system administration tasks.
* Perform system automation activities utilizing scripting tools and languages.
* Collaborate with other leads, engineers, and technical teams to ensure the overall health and stability of the MDSEA enclave.

Minimum Qualifications:

* Must be a US citizen
* Must have an active DoD Secret clearance or higher
* Must have 10, or more, years of general (full-time) work experience outside of an academic setting (May be reduced with completion of advanced degree)
* Must have 1, or more, years of experience working in a management/ leadership role
* Must have direct experience with Red Hat Enterprise Linux (RHEL), Identifiable Management (IdM), and Satellite
* Hands-on experience with the administration of virtualization solutions: vSphere and VMWare Aria Operations is required
* Must have experience and thorough understanding of the MDSEA environment
* Must possess a current DoD 8570 IAT Level II certification (e.g., Security+CE) Desired

Qualifications:

* Have basic networking knowledge
* Have a strong understanding of Agile Framework
* Have a strong understanding of Systems Engineering Principles
* Have a working knowledge of Configuration Management processes
* Have experience using Remedy Compensation:
* Salary Range: $130,000 - $150,000 annually.…
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