2,286,797open jobs
145,435companies
277,978added this week
Browse all
Salary
$136k – $187k per year
Location
In office (Centennial)
Seniority
Senior · 8+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 15, 2026. First seen by Alion on Nov 5, 2026. Sierra Space scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Sierra Space is a space technology company that develops the Dream Chaser spaceplane and inflatable orbital habitats. Its vehicles are designed to deliver cargo to orbit and land on conventional runways, and the company also builds environmental control systems and space robotics. The company is headquartered in Louisville, Colorado, United States.

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 Sr Test Engineer at Sierra Space, you will leverage your extensive expertise and experience to lead and contribute to advanced testing and validation projects of aerospace systems and components, working on cutting-edge satellite and spacecraft programs. You will work with considerable latitude in determining technical objectives and provide guidance and mentorship to early career engineers. Representing Test Engineering, you will engage with cross-organizational senior personnel and serve as the prime technical contact on significant programs and projects.

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.

Key Responsibilities:

  • Lead and execute advanced and complex test plans, test procedures, and test reports to demonstrate compliance with system requirements.
  • Apply extensive technical expertise and working knowledge in the execution of Test Engineering tasks, providing innovative solutions to complex technical problems.
  • Work without appreciable direction, exercising considerable latitude in determining technical objectives and approaches.
  • Guide, mentor, and lead early career engineers in completing job assignments, fostering professional development and technical growth.
  • Utilize and master various testing equipment, standards, and methodologies to support validation efforts and ensure the quality of aerospace systems and components.
  • Develop and implement creative and effective solutions to complex technical problems, demonstrating ingenuity and creativity.
  • Oversee the successful completion of major program milestones, potentially functioning in a project leadership role.
  • Interact with cross-organizational senior personnel on significant technical matters, fostering collaboration and technical excellence.
  • Represent the organization as the prime technical contact on programs and projects, ensuring alignment with technical objectives and organizational goals.
  • Prepare and document detailed technical data, reports, and analyses to support engineering initiatives and project decision-making.
  • Communicate complex technical concepts and information clearly to team members, senior engineers, and stakeholders, ensuring effective collaboration and successful outcomes.

Minimum Qualifications:

  • Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters +6 yrs experience).
  • Typically 8+ years of related experience.
  • An active Top Secret U.S. Security Clearance is required
  • Demonstrated expertise in one area of test engineering principles and practices (dynamics, thermal, measurement, HSI, SW Test, Integration, etc.).
  • Ability to work without appreciable direction with considerable latitude in determining technical objectives of assignments.
  • Ability to lead, mentor, and guide early career engineers in the completion of job assignments.
  • Extensive technical expertise and working knowledge in the execution of Test Engineering job functions.
  • Expertise with various testing equipment, standards, and methodologies.

Preferred Qualifications:

  • Proficiency with advanced engineering software tools such as LabVIEW, MATLAB, or TestStand for testing and validation.
  • Experience with environmental testing equipment such as thermal chambers, vibration tables, and data acquisition systems.
  • Strong organizational skills with the ability to manage multiple high-complexity tasks and priorities effectively.
  • Demonstrated ability to rapidly learn and apply new concepts and methodologies in test engineering.
  • Commitment to continuous learning and professional development in aerospace engineering.
  • Strong leadership and collaboration skills to work effectively within cross-functional teams and lead initiatives.
  • Excellent communication skills to clearly and effectively convey complex technical information to diverse audiences.
  • Proven track record of successful technical leadership and ownership of high-impact projects from concept through completion.

Compensation:

Pay Range:

$135,695.00 - $186,601.25

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.

IMPORTANT NOTICE:

This position requires current/active Top Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,286,797 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Aerospace
Remote, many countries
Similar stack
Same company
Centennial
$121k – $169k per year · Equity · In office · Nationals only · Full-Time · 3+ years exp · Bachelor's Degree · Littleton · Huntsville · Seattle · Reston
Python
DevOps
AWS
Apply
$79k – $119k per year · In office · Secret · Full-Time · 5+ years exp · Bachelor's Degree · Corinne
Apply
In office · TS/SCI · Full-Time · 12+ years exp · Bachelor's Degree · Chantilly
Apply
$155k – $175k per year · Hybrid · Secret · 5+ years exp · Bachelor's Degree · Middletown
Cybersecurity
Teleport
Apply
In office · Secret · Full-Time · 5+ years exp · Bachelor's Degree · Evendale
Python
SpaceTech
Siemens NX
ANSYS
Apply
up to $13k per year · Remote (EU) · Internship · Master's Degree · Rome
Apply
$54k – $74k per year · Equity · In office · Internship · Master's Degree · Shakopee
Python
MATLAB
Chips/EDA
Electron Microscopy (SEM/TEM)
AFM
JMP
Minitab
Analytics
Microsoft Excel
Apply
In office · Full-Time · Master's Degree · Gothenburg
Python
MATLAB
Robotics
Digital Twin
Life Sciences
GMP
GLP
Apply
In office · Full-Time · Bachelor's Degree · Montreal
MATLAB
NeuroTech
Psychopy
Life Sciences
Good Clinical Practice
Apply
In office · 1+ year exp · PhD · Portland
MATLAB
AI/ML
Machine Learning
Apply
$120k – $240k per year · Remote (United States, India, Germany, France, United Kingdom) · Contractor
Python
C++
Julia
MATLAB
MATLAB
Simulink
Apply
$119k – $164k per year · In office · Full-Time · 5+ years exp · Bachelor's Degree · Centennial · Louisville
MATLAB
SpaceTech
SysML
Cameo Systems Modeler
IBM DOORS
MedTech
Verification & Validation
Apply
In office · Full-Time · 5+ years exp · Broomfield
Apply
In office · Full-Time · 2+ years exp · Broomfield
Apply
$91k – $125k per year · In office · Top Secret · Full-Time · 2+ years exp · Bachelor's Degree · Centennial
MATLAB
MedTech
Verification & Validation
Apply
$113k – $155k per year · In office · Top Secret · Full-Time · 5+ years exp · Bachelor's Degree · Centennial · Louisville
MATLAB
MedTech
Verification & Validation
Apply
Material Planner 1 day ago
In office · Centennial
Apply
$38k – $40k per year · In office · Part-Time · Centennial
Apply
$38k – $48k per year · In office · Full-Time · Centennial
Apply
In office · Internship · Centennial
Apply
In office · Internship · 1+ year exp · Centennial
Apply
See all jobs
This is one of many
2,286,797 more open roles from verified company boards, updated every day.