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Principal Mechanical Engineer

Job in Louisville, Boulder County, Colorado, 80028, USA
Listing for: Pace Industries, LLC
Full Time position
Listed on 2026-06-28
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer, Engineering Design & Technologists, Aerospace / Aviation / Avionics
Salary/Wage Range or Industry Benchmark: 167096 - 229757 USD Yearly USD 167096.00 229757.00 YEAR
Job Description & How to Apply Below
Principal Mechanical Engineer Skip to main content#Principal Mechanical Engineer page is loaded## Principal Mechanical Engineer Apply locations:
Louisville, COtime type:
Full time posted on:
Posted Todayjob requisition :
R25682#
** 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 Role
** The Principal Mechanical Engineer role focuses on applying advanced technical principles, theories, and concepts to engineering projects, as well as contributing to the development of new principles and concepts. The position involves leading projects or significant aspects of a program, developing and implementing innovative solutions, and working under consultative direction toward long-range goals and objectives. Responsibilities include collaborating with cross-functional teams, analyzing and interpreting data, preparing detailed technical documentation, and mentoring junior engineers.

This role is critical in driving innovation, ensuring successful project execution, and supporting the overall mission of the organization.
In this role, you will lead design and analysis efforts for multiple programs and complex design activities, which may include serving as a Responsible Engineer (RE). You will manage all aspects of system and component design, development, and integration, including trade studies, layouts, architecture definition, system testing and verification, and troubleshooting. By applying advanced technical principles, theories, and concepts, you will contribute to engineering projects, utilizing data analysis and interpretation skills to evaluate test and simulation data, inform design decisions, and identify areas for improvement.

You will interact with senior personnel across the organization on significant technical matters and prepare detailed technical documentation and reports to communicate findings and support project objectives. Representing the organization as the prime technical contact on contracts and projects, you will work under consultative direction toward predetermined long-range goals and objectives. Additionally, you will contribute to the development of new principles and concepts, driving innovation within the organization, and develop and implement innovative solutions and rigorous analyses to address complex technical challenges.

Mentoring junior engineers and providing guidance on their technical and professional development will be an integral part of your responsibilities. Furthermore, you will collaborate with cross-functional teams to develop and refine system designs, ensuring they meet performance and safety requirements.#
** 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 or master's +10 yrs experience).
* Typically, 12+ years of related experience.
* Demonstrated expertise in Mechanical Engineering technical standards, principles, theories, concepts, and techniques.
* Ability to provide solutions to unusually complex technical problems which…
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