Mechatronics Engineer III / Electrical Engineer III

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 Mechatronics Engineer III / Electrical Engineer III role involves leading the design, development, modification, and evaluation of complex electromechanical components and systems. This position is suited for professionals with a strong background in electrical engineering, mechatronics, and/or motion control systems. As the Responsible Engineer (RE) for discrete technical packages, you will ensure successful project execution and maintain technical excellence throughout the process.

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.

Job Responsibilities:

- Develop and conduct system level architecture trades that include both electromechanical actuators and motion control electronics, including closed-loop systems
- Perform advanced simulations of electromechanical systems (dynamics, performance, etc)
- Decompose system requirement documents into component requirement documents
- Conduct tests and simulations to validate the performance of electromechanical systems and components.
- Own the technical input into the make / buy trade of motion control electronics, staying up to date with both internal and external offerings
- Document design processes, test results, and modifications for future reference
- Readiness to learn and receive instruction and mentorship from more experienced engineers.
- Stay up to date with the latest advancements in electrical engineering and provide guidance on future strategy of motion control electronics within the department.

Minimum Qualifications:

- Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters +3 yrs experience).
- Typically 5+ years of related experience.
- Advanced knowledge of electrical fundamentals, applicable tools, methodologies, and principles.
- Experience with simulation software like SPICE, Simsolid, MATLAB/Simulink, or similar.

- Prior experience in motor design and motor selection.
- Solid grasp of position feedback devices, such as potentiometers, resolvers, and encoders

- Intermediate knowledge of requirements management, functional requirements parsing, derivation, and allocation.
- Experience performing trade studies to support subsystem architecture decisions, including risk identification and management.

Preferred Qualifications:

- Experience serving as a Responsible Engineer (RE), driving hardware through its lifecycle, including development, qualification, integration & Test, Verification & Validation, and certification.
- Proficiency in electrical design software such as Capital, AutoCAD Electrical, Altium Designer, or similar tools.
- Ability to perform circuit analysis and troubleshooting using tools like oscilloscopes, multimeters, and logic analyzers.
- Hands-on experience in assembly, integration, and test
- Strong leadership and communication skills.

- Knowledge of electronics for spaceflight motor control applications, including: Motor Types (Stepper, BLDC, 2-phase, 3-phase)
- Telemetry types (Potentiometer, Resolver, Encoder)
- Communication protocol (RS-422, CAN, Bilevel voltage, etc)
- Radiation environments (LEO, MEO, GEO)
- EEE parts (derating, classes, obsolescence, etc)

Compensation :

Pay Range:
$112,694.00 - $154,975.25

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 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 .