Subcontract Administrator I (Contract)

Posted Yesterday
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Louisville, CO, USA
In-Office
Entry level
Aerospace • Hardware • Information Technology • Robotics • Defense • Utilities
Defending Today. Defining Tomorrow.
The Role
The Subcontracts Administrator I manages subcontract lifecycles, develops agreements, negotiates terms, ensures compliance, and maintains files while supporting subcontractor performance.
Summary Generated by Built In
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 Subcontracts Administrator I is responsible for managing the lifecycle of subcontracts from initial solicitation through contract close-out. This role includes developing subcontract agreements, ensuring compliance with regulatory requirements, negotiating contract terms, and managing supplier relationships. They will have a basic understanding of subcontracting principles and processes, familiarity with standard subcontracting terminology and documentation, and a willingness to learn and grow in the field.
In this role, you will prepare, negotiate, and administer subcontracts while supporting the monitoring of subcontractor performance to ensure compliance with contract terms. You will maintain subcontract files, ensuring proper documentation, and provide support for the resolution of subcontractor issues and disputes. Additionally, you will develop subcontract agreements in accordance with company policies and regulatory requirements, ensuring compliance with industry regulations and company standards. Managing supplier relationships to ensure effective communication and performance will also be a key responsibility. Furthermore, you will assist in the close-out process of subcontracts, ensuring all terms and conditions have been met.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 0 - 2 years of experience.
  • Knowledgeable of Microsoft suite of products.
  • Basic understanding of subcontracting principles and processes.
  • Familiarity with standard subcontracting terminology and documentation.
  • Awareness of industry regulations and compliance requirements.
  • Basic project management and administrative skills.
  • Good communication skills, attention to detail, and willingness to learn.
Preferred Qualifications:
  • Experience in subcontract administration or a related field.
  • Strong organizational and time management skills.
  • Ability to work independently and as part of a team.
  • Strong problem-solving skills and ability to handle multiple tasks simultaneously.
  • Advanced proficiency in Microsoft Office Suite.
  • Experience with contract management software or systems.
  • Knowledge of advanced subcontracting strategies and best practices.


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. 

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.

Sierra Space Corporation is 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 with Sierra Space or at any stage of the recruitment process, please contact us.

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The Company
HQ: Louisville, CO
1,600 Employees
Year Founded: 2021

What We Do

Securing The Freedom of Operations Headquartered in Colorado, Sierra Space is a mission-proven Defense Tech company delivering satellite platforms, critical subsystems, reusable spaceplanes, hypersonic technologies, propulsion systems, and infrastructure for the nation’s most critical missions. With more than three decades of heritage and a record of flight-proven success in space, Sierra Space is trusted by U.S. National Security, Civil customers, and global allies. Our technologies safeguard our nation, sustain human exploration in space, and ensure the freedom of operations beyond Earth. Sierra Space is defining the new era of Space Defense, strengthening deterrence today and preserving freedom of action for generations to come.

Why Work With Us

At Sierra Space, you’ll find a supportive, respectful and upbeat culture where your opinions matter and your personal contributions have impact. If you’re thinking about your own next frontier, we’d love to help you explore it.

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Sierra Space Offices

OnSite Workspace

Typical time on-site: None
HQLouisville, CO
Durham, NC
Madison, WI
Exploration Park
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