Principal Material Science Engineer – Propulsion Systems & Thrusters
Company websitesierraspace.com (Sierra Space Corporation, opens in new tab)
Base salary $151,905 to $208,870
Employer-published annual base salary, USD. Advertised base range in Middleton, WI +1 more
You apply on the employer's own site. Six Figure Work does not handle applications.
- LocationMiddleton, WI +1 more
- WorkplaceWorkplace not stated
- Status at last checkSource accepting applications when checked
- Last checked (1 h ago) · observed since
All places named
- Middleton, WI
- Madison, WI
About this job
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
As a Principal Material Science Engineer at Sierra Space, you will bring your extensive experience and advanced knowledge to lead significant projects and contribute to the development of new principles and concepts in aerospace material sciences. You will apply advanced technical principles, theories, and concepts to develop and implement innovative solutions. Working under consultative direction, you will drive projects towards predetermined long-range goals and objectives, ensuring technical excellence and strategic alignment.In this role, you will lead the development, analysis, and application of materials used in propulsion systems and thrusters, leveraging advanced knowledge in material sciences. You will apply advanced technical principles, theories, and concepts to provide innovative solutions and rigorous analyses for complex technical challenges, while developing and documenting detailed technical data, reports, and presentations to support critical engineering projects and strategic decision-making. Working under consultative direction towards predetermined long-range goals and objectives, you will have considerable autonomy in determining technical approaches. You will contribute to the development of new principles and concepts in material sciences, enhancing the organization's technical capabilities, and lead projects or significant aspects of programs to ensure successful development and implementation of innovative solutions. Collaborating with senior personnel across disciplines, you will integrate material science solutions into broader engineering projects and programs. Representing the organization as a technical expert, you will participate in high-level meetings, contracts, and strategic discussions both within and outside of Sierra Space. Additionally, you will mentor and provide technical leadership to other engineers, fostering professional development and enhancing team effectiveness. You will also participate in and lead technical reviews, strategy sessions, and innovation initiatives, driving the advancement of material sciences within the organization.
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 Masters +10 yrs experience).
Typically 12+ years of related experience.
Advanced knowledge in material sciences.
Ability to apply increasing degrees of advanced technical principles, theories, and concepts.
Capability to contribute to the development of new principles and concepts.
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.
Preferred Qualifications:
Experience with advanced manufacturing processes, especially metallic additive manufacturing processes and materials.
Experience with hypergolic propulsion systems.
Experience with refractory alloys, other high temperature alloys, and protective coatings.
Experience with material characterization and test techniques such as SEM, TEM, XRD, DSC, tensile, fatigue, creep, and fracture. Familiarity with elevated and/or cryogenic temperature materials testing a positive.
Experience with failure analysis techniques and root cause analysis.
Proven track record of successful leadership and ownership of technical projects from concept through completion.
Proficiency with advanced engineering software tools such as MATLAB, ANSYS, or COMSOL for material analysis and simulation.
Familiarity with materials selection software like CES Selector.
Strong organizational skills with the ability to manage multiple complex tasks and priorities effectively.
Teamwork and collaboration skills to work effectively within cross-functional teams.
Excellent communication skills to clearly and effectively convey complex technical information to diverse audiences.
Experience in communicating technical information to external stakeholders such as suppliers and partners.
Familiarity with regulatory standards and compliance requirements in aerospace materials; such as NASA-STD-6016, NASA-STD-6030, NASA-STD-6033, SMC-S-009, SMC-S-011, and MMPDS.
Experience in representing the organization to external stakeholders such as suppliers, partners, and industry bodies.
Ability to obtain/maintain Top Secret or higher U.S. Security Clearance may be required
Compensation:
Pay Range:
$151,905.00 - $208,869.75Your 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.
IMPORTANT NOTICE:
To conform to U.S. Government international trade regulations, applicant must be a U.S. Citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State or U.S. Department of Commerce.
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.
Source: Sierra Space Corporation on Workday · View original posting (opens in new tab)
This listingPrincipal Material Science Engineer – Propulsion Systems & Thrusters$151,905 to $208,870
Sr Manager Construction & Capital Projects$149,735 to $205,886
Principal SAP Production Planning Specialist$148,943 to $204,796
Sr Manager, Production - Satellites and Spacecraft Systems$151,141 to $207,841
Principal Talent & Development Specialist$146,180 to $201,019
Senior Manager, Marketing & External Engagement$155,584 to $213,928
Sr Project Engineer$143,700 to $197,609
Chart as a table
| Role | Published base |
|---|---|
| Principal Material Science Engineer – Propulsion Systems & Thrusters (this listing) | $151,905 - $208,870 |
| Sr Manager Construction & Capital Projects | $149,735 - $205,886 |
| Principal SAP Production Planning Specialist | $148,943 - $204,796 |
| Sr Manager, Production - Satellites and Spacecraft Systems | $151,141 - $207,841 |
| Principal Talent & Development Specialist | $146,180 - $201,019 |
| Senior Manager, Marketing & External Engagement | $155,584 - $213,928 |
| Sr Project Engineer | $143,700 - $197,609 |
Observed changes
- First observed on the employer's board
- Began meeting the published-salary criteria
- Observed since
- Employer-stated posting date
- 2026-09-14
Where this pay comes from
Location as the employer wrote it: Middleton, WI • Madison, WI
$151,905.00 - $208,869.75
- Method
- Employer text, read with fixed rules and re-verified
- Checked
- Rule set
- us-base-v2
The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.
What we verified
- The pay figures come from the employer's own listing, quoted exactly above.
- The pay is an annual base salary in US dollars with a minimum of at least $100,000.
- The role was publicly listed on the employer's job board when last checked.
We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.
