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Technical System Administrator I (TS/SCI Clearance Required)

Sierra Space
life insurance, paid time off, 401(k)
United States, Colorado, Centennial
Dec 05, 2025
Sierra Space Careers:

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the RoleThe Technical Systems Administrator I is responsible for installing, maintaining, and upgrading internal computer hardware and software systems used for designing and developing company products. This role involves assisting in configuring and upgrading software, supporting the operation of software environments including incident response and problem-solving, and helping meet the IT needs of the business.

In this role, you will install, maintain, and upgrade internal computer hardware and software systems used for designing and developing company products. You will assist in configuring and upgrading software to ensure optimal performance and compatibility while supporting the operation of software environments, including incident response and problem-solving. A key responsibility will be to help meet the IT needs of the business by providing technical support and solutions. You will monitor and maintain system performance to ensure efficient and reliable operation, collaborating with cross-functional teams to align IT systems with business objectives. Additionally, you will maintain documentation of system configurations, processes, and service records. Staying updated with the latest advancements in technology and industry trends will be essential, as will participating in the development and implementation of IT policies and procedures. About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower - to join us in this critical mission.

We're looking for team members who align with our values, mission and goals - while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Minimum Qualifications:

  • Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree).

  • Typically entry-level position with 0 - 2 years of experience.

  • Certification: varies by business system.

  • Possesses a basic understanding of IT systems, software configuration, CI/CD, and business processes.

  • Familiarity with software environments and upgrades.

Preferred Qualifications:

  • Certifications: CompTIA A+, Microsoft Certified: Azure Administrator Associate.

  • Experience with various operating systems (e.g., Windows, Linux) and software applications.

  • Strong analytical and problem-solving skills.

  • Excellent communication and teamwork abilities.

  • Understanding of software development life cycle (SDLC) and agile methodologies.

  • Experience with version control systems (e.g., Git).

  • Knowledge of network configurations and troubleshooting.

  • Familiarity with virtualization technologies (e.g., VMware, Hyper-V).

  • Experience with cloud computing platforms and services (e.g., AWS, Azure).

Compensation:

Pay Range:

$65,450.00 - $89,993.75

Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education,experience, internal equity and market competitiveness.

Elevate Your Career

At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.

We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, and more.

Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.

Application Deadline: This role will remain posted until a qualified pool of candidates is identified.

Please note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space, and we will not be obligated to pay any referral fees.

Sierra Space Corporationis an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment withSierra Spaceor at any stage of the recruitment process, pleasecontact us.

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