Principal Mechanical Engineer
$167.1k - $229.76kSierra Space
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 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 YouOur 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 Masters +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 require the regular use of ingenuity and creativity.
- Ability to work under consultative direction towards predetermined long-range goals and objectives.
- Advanced degree in Aerospace, Mechanical Engineering, or related field
- 10+ years of experience in deployable space structures design and analysis
- Demonstrated expertise in system-level architecture development for spacecraft subsystems
- Experience with structural performance modeling of deployable mechanisms
- Experience leading trade studies and architecture selection processes
- Proven ability to manage complex technical projects from concept to prototype
- Knowledge of environmental testing protocols for space hardware development and qualification
- Experience with spacecraft Electrical Power Systems (EPS) and solar array technologies, including power generation, distribution, and management systems
- Proven track record in high-volume manufacturing environments with demonstrated ability to implement Design for Manufacturability (DFM) principles to spacecraft systems
Pay Range:
$167,096.00 - $229,757.00Your 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 CareerAt 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.
$118.1k - $200.76k
...Description This role supports the mechanical design of optical instruments and laser... ...tactical environments. As a mechanical design engineer, you’ll work in cross-disciplined teams... ...Apply Design for Manufacturing (DFM) principals to create hardware designs that are...SuggestedFull timeWork at officeLocal areaRemote work$133.9k - $161k
...passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are looking to add a Principal Spacecraft Mechanical Engineer I to our team. If you are great at what you do, enjoy working in a startup environment, and are passionate about...SuggestedPermanent employmentFull timeContract workWork experience placementLocal area$165.01k - $226.89k
...results? Come be a part of our diverse, multi-disciplined team of engineers, operating in an agile environment, using the latest tools and... ...product level designs Advanced knowledge of industry-standard mechanical design principles, to include, but not limited to parametric...SuggestedFull timeWork experience placementFlexible hours- ...are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are looking to add a Principal Mechanical Engineer I to our team. If you enjoy working in a startup environment, and are passionate about developing leading-edge hardware...SuggestedPermanent employmentFull timeContract workWork experience placementLocal area
$158k - $189k
...actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team. We are seeking a Mechanical Engineering Manager to lead our mechanical engineering organization, providing both people leadership and technical direction across...SuggestedPermanent employmentFull timeContract workWork experience placementLocal area$127.1k - $203.4k
...supplier of state-of-the-art SOCs to the world. Our products connect everything. We are seeking a motivated and technically strong engineer to join our SOC team to design and integrate IP on high volume and high performance SOCs. This is an exciting opportunity to...Full timeLocal area- ...Mechanical Engineer Opportunity A well-known company that manufactures safety equipment for high-risk environments is looking to add a Mechanical Engineer to their team. If you enjoy designing new products, working directly with manufacturing teams, and solving real...Temporary workLocal areaMonday to FridayDay shift
$106.4k - $159.6k
...growth, and impact. A Day in the Life Job Title: Senior Mechanical Engineer (Medical Devices – Design & Sustaining Engineering)... ...sponsorship (H-1B, TN, J, etc.) is offered exclusively for Principal-level roles and above, where specialized expertise aligns with...Full timeH1bWork at officeLocal areaImmediate startFlexible hours- ...Mechanical Design Engineer Our client, a leader in advanced engineering solutions, is seeking a Mechanical Design Engineer to join their innovative team. As a Mechanical Design Engineer, you will be integral to the Engineering Department supporting cross-functional...Weekly payTemporary workFlexible hours
- ...design refinements through vendor engagement and validation activities Education & Experience: bachelor's degree in mechanical engineering Minimum of 2+ years of mechanical design experience, preferably in medical devices within a regulated environment...Contract work
$70k - $100k
...A Day in the Life at MKS: As a Mechanical Engineer at MKS Broomfield, you will partner with manufacturing, supply chain, sales, and customers to develop and support vacuum isolation valves, fittings, specialized mechanical systems, and heater systems products. For this...Permanent employmentWork experience placementRelocation package$85k - $95k
...JOB DESCRIPTION Mechanical Engineer Broomfield, CO Build an Aviation Career You’re Proud Of At StandardAero, we use our ingenuity and know-how to find solutions for the simple to the most complex challenges in aviation. Together, we get the job done and done...Temporary workImmediate startWorldwideFlexible hours$100k - $130k
...expect a high degree of integrity, autonomy and creativity from all members of the team. About the Role As Senior Mechanical Design Engineer you will develop design solutions for the body and exterior systems from concept phase through physical implementation...Full timeFlexible hours- ...Senior Mechanical Engineer We are seeking an experienced Senior Mechanical Engineer to lead complex engineering projects involving custom-designed industrial equipment. This role is responsible for managing the engineering and design phase of projects, ensuring compliance...
- ...Job Title: Senior Mechanical Engineer (III) Job Description: The Senior Mechanical Engineer will work with the program team to develop mechanical and electromechanical components and systems which meet customer and company requirements. Job Duties: Distill system...
$85k - $120k
...Justrite Safety Group, safety isn't just a priority-it's our passion. The Contribution You'll bring to this Role: The Mechanical Engineer - Motion Safety is responsible for supporting new product development, manufacturing process improvement, and engineering...Temporary workWork at officeFlexible hours- ...Senior Mechanical Engineer (Medical Devices – Design & Sustaining Engineering) We anticipate the application window for this opening will close on - 21 Aug 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission...Work at office
$99.6k - $223.4k
Overview Oracle Cloud Infrastructure (OCI) is building Oracle Video @ Edge (OVE), a next‑generation video delivery platform optimized for live and linear streaming. This role will help design and develop advanced video delivery infrastructure that integrates seamlessly...Temporary workFlexible hours- Mechanical Engineer - Advanced ManufacturingWhether you call yourself a mechanical engineer, a manufacturing engineer, or just someone who loves turning designs into hardware, if you want to own how the world’s most advanced electric motors get built, read on.About H3X...InternshipFlexible hours
- ...Job Description Job Description We are seeking a Principal Manufacturing & Assembly Engineer who can develop manufacturing processes and assembly... ...Required Qualifications BS/MS in Mechanical Engineering, Aerospace Engineering, or Materials Engineering...
$150k - $180k
...Technologies, Inc. has been a leading provider of engineering, automation, and systems integration... ...here: .OverviewJoin our team as a Principal DeltaV Automation Engineer!Matrix... ...hazardous locations, inclement weather, moving mechanical parts, noise, ladders, uneven ground,...Full timeWork at officeLocal areaImmediate startRemote workWork from homeFlexible hours$150.8k - $241.2k
...Account, please Sign-In before you apply.Job Description:Position OverviewWe are seeking a highly technical and strategic Senior Engineering Manager to lead the evolution of our ValueOps Financial Intelligence Solution, bringing together AI, Cloud Financial Management,...Full timeLocal area$80k - $95k
R&D PROJECT ENGINEER (MECHANICAL) Synthio Chemicals is an early-stage, rapidly-growing specialty chemical manufacturer. The firm uses state- of-the-art continuous flow equipment and process intensification techniques to produce high-value specialty chemicals for industrial...Permanent employmentFull timeMonday to FridayFlexible hoursDay shift$100k - $175k
...great quality of life inside and outside of work.Job Title:Sr. Mechanical Design EngineerReporting To:Head, Engrg. Sect.Work Schedule:... ...Moog Space Vehicles Group is looking for a SrMechanical Design Engineer to design, update, and support the development of our existing...Full timeRelocation packageMonday to FridayFlexible hours$120k - $160k
...mission assurance to mature a flight-relevant quantum gravity gradiometer payload. Position Summary Infleqtion is seeking a Mechanical Engineer II to support QGG mechanical design, drawings, tooling, fixtures, and low-complexity part ownership. This role is ideal for a...Full timeTemporary workWork at office$144k - $186k
...As the Fluids and Propulsion Engineering Manager, you would lead the propulsion... ...degree or higher in Aerospace Engineering, Mechanical Engineering, or other related discipline... ...engineering' and engineering from first principals Experience with fluid and instrumentation...Permanent employmentWork at officeRemote workFlexible hours3 days per week$215k - $256.8k
...Job Title Direct a team including Mechanical, Hardware, Electrical, Electronics engineers, and their activities to attain business goals consistent with cost, high quality, reliability, and delivery requirements. Coordinate with departments including Supply Chain, R...Relocation package- ...dedicated to creating a permanent presence in space while also driving positive impacts here on Earth. We are currently seeking a Principal RF Engineer to contribute to our mission in a dynamic startup environment. As a Principal RF Engineer, you will serve as the company's...Permanent employmentWork at office
$125k - $150k
...can mean deeper job satisfaction, better rewards, and a great quality of life inside and outside of work.Job Title:Senior Mechanical Design Engineer - Test EquipmentReporting To:Management, Design EngineeringWork Schedule:Onsite - Buffalo, NYAs a Senior Mechanical...Full timeRelocation packageFlexible hours$197k - $232k
...performing team that believes in each other, come build with us at Crusoe. About This Role: Join Crusoe Energy as the Principal Electrical Engineer and serve as the department’s technical authority on power distribution, power protection, and switchgear design. In...Temporary workRelocation
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Mechanical Engineer. Be the first to apply!
- chief engineer Broomfield, CO
- engineering director Broomfield, CO
- hotel chief engineer Broomfield, CO
- principal developer Broomfield, CO
- principal engineer Broomfield, CO
- data center chief engineer Broomfield, CO
- general engineer Broomfield, CO
- mechanical design Broomfield, CO
- entry level mechanical design Broomfield, CO
- mechanical solidworks Broomfield, CO


