Full-Time
Electrical Systems Test Engineer
Posted on 9/10/2025
Momentus Space
51-200 employees
In-space transportation, satellite leasing, servicing
Compensation Overview
$130k - $170k/yr
No H1B Sponsorship
San Jose, CA, USA
In Person
US Top Secret Clearance, US Citizenship Required
 QA & Testing (1) |
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- BS degree in Aerospace or Electrical Engineering, or a closely related discipline
- 5+ year relevant experience
- Experience integrating and testing spacecraft avionics hardware
- Experience working with embedded systems
- Experience with embedded software regression testing
- Experience using laboratory tools such as oscilloscopes, multimeters, network analyzers, and power supplies
- Experience with test automation and scripting in python
- Experience using basic data analysis to validate system performance and identify anomalies
- Ability to work independently
- Excellent technical communications skills
- Good written and verbal communication skills
- This position will occasionally require flexible working hours including nights and weekends to support spacecraft testing and operations.
- U.S. citizenship, U.S. legal permanent resident status, or protected person status under 8 U.S.C. § 1324b(a)(3) is required for export-controlled work.
- Develop deep understanding of the spacecraft design across all disciplines
- Support integration and testing of flight spacecraft
- Support qualification and acceptance testing of spacecraft subsystems
- Create test plans and procedures to validate spacecraft and subsystem performance
- Assist with flight software testing and validation
- Support on-orbit operations and flight anomaly resolution activities
- Develop and maintain laboratory facilities for spacecraft testing
- Contribute to interface control documents (ICDs) and interface change notices (ICNs) from outside vendors for acceptance testing requirements
- Participate in non-conformance reports (NCRs), engineering change notices (ECNs), re-do drawings, and redlines during spacecraft build phase
- Contribute to continual process feedback and improvement, in particular for PLM/CM procedures and tools
- This position will occasionally require flexible working hours including nights and weekends to support spacecraft testing and operations.
- Understanding of spacecraft avionics functions, failure modes, and debugging strategies
- Knowledge of spacecraft operations, flight software qualification, and/or spacecraft GNC (Guidance, Navigation, and Control) a strong plus
- Working knowledge of spacecraft design and integration
- Exposure to configuration management concepts and implementations
- Exposure with model-based systems engineering concepts
- Experience with requirements management, validation, and verification
- Hands-on experience with digital, analog, and mixed signal electronics
- Previous experience working on DoD and other USG development and deployment programs
- Ability to hold and maintain a USG Security Clearance
Momentus Space provides in-space infrastructure services to support the growing space economy. Its offerings include Space Transportation to deploy satellites to precise orbits after launch; Satellite as a Service to lease satellite capabilities with deployment, operation, and maintenance; and In-Orbit Servicing to refuel, reposition, and upgrade satellites. Compared with competitors, Momentus focuses on an integrated post-launch service suite rather than just building or launching hardware. Its goal is to enable efficient, scalable space operations by extending satellite life and enabling flexible asset deployment.
Company Size
51-200
Company Stage
IPO
Headquarters
Santa Clara, California
Founded
2017
Simplify's Take
What believers are saying
- MDA SHIELD program qualification (January 2026) opens $151B ten-year defense contract vehicle.
- Portal Space Systems' $50M Series A validates in-space servicing market and Momentus' Vigoride platform.
- Solstar Space $15M agreement and Velo3D partnership expand revenue streams and manufacturing scale.
What critics are saying
- Stock collapsed to $0.77/share; $12.7M dilutive financing in months signals severe cash burn crisis.
- SpaceX Transporter rideshare dependency creates single-point-of-failure for mission cadence and revenue.
- Water plasma thruster unproven at scale; Vigoride 8/9 failures would collapse customer confidence immediately.
What makes Momentus Space unique
- Proprietary water plasma propulsion (MET thrusters) enables cost-effective orbital transfers versus competitors.
- Vigoride platform demonstrates $6.1M government contract validation from DARPA and SpaceWERX.
- Integrated in-space servicing ecosystem: transportation, hosted payloads, refueling, and satellite maintenance.
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Benefits
Health Insurance
Dental Insurance
Vision Insurance
401(k) Retirement Plan
Unlimited Paid Time Off
Paid Holidays
Paid Sick Leave
Parental Leave
Growth & Insights and Company News
6 month growth
↑ 0%1 year growth
↑ 0%2 year growth
↓ -6%In-Space maneuverability startup Portal raises Series A as it shifts into production mode. Thursday, April 9th, 2026 Portal Space Systems has raised $50 million in a Series A round to accelerate its progress building maneuverable spacecraft as the startup grows its team and expands manufacturing capacity. The raise comes at a critical time for Portal - the company just launched an in-orbit demonstration with Momentus to gain flight heritage on avionics systems including flight computer and power system. Portal was a customer on the Vigoride 7 vehicle, which launched on SpaceX's Transporter-16 mission last week. Portal's focus is on building... Not a subscriber or registered user yet? Please contact us at [email protected] or call us at 888-707-5814 (Monday - Thursday 9:00 a.m. - 5:30 p.m. and Friday 9:00 a.m. - 3:00 p.m. ET.), to start a free trial, get pricing information, order a reprint, or post an article link on your website.
Momentus has successfully launched its Vigoride 7 Orbital Service Vehicle aboard SpaceX's Transporter-16 mission. The spacecraft will host and operate 10 government and commercial payloads, demonstrating autonomous rendezvous and proximity operations, in-space assembly technologies, advanced communications systems and high-performance computing. The mission is supported by approximately $4.2 million in contracts with DARPA, $1.9 million with SpaceWERX, and additional agreements with NASA's Johnson Space Center and Armstrong Flight Research Center. Partners include Portal, Orbit Fab, CisLunar Industries, DPhi, Scout Space and Solstar Space. The Vigoride platform offers over 300 kg payload capacity and up to 3 kW peak power. Vigoride 8 is scheduled for launch early next year with NASA-funded payloads, whilst the company is now integrating customers for Vigoride 9.
Momentus CEO John Rood scheduled to speak on Golden Dome panel at SmallSat Symposium 2026. * Business Wire * 23 hrs ago SAN JOSE, Calif.-(BUSINESS WIRE)-Feb 11, 2026- Momentus Inc. (NASDAQ: MNTS), a commercial space company specializing in satellite solutions and in-space services, today announced their CEO John Rood is scheduled to speak along with a panel of industry leaders at the SmallSat Symposium 2026 on February 11, 2026, in Mountain View, California. The panel is titled "Golden Dome: Harnessing SmallSat Agility for Responsive, Integrated, and Resilient Defense Systems." The Golden Dome session is anticipated to focus on how small satellite architectures are reshaping defense readiness, enabling faster deployment, greater resilience, and more distributed capabilities. In December 2025, Momentus was among the companies awarded a contract by the U.S. Department of War's Missile Defense Agency (MDA) for the Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) contract vehicle. * Contract ceiling: up to $151 billion over 10 years * Scope: missile tracking, resilient communications, technology demonstrations, space-based sensors, and other national defense missions * Structure: recurring task orders expected across multiple mission areas This selection provides Momentus with the ability to compete for rapid award task orders, positioning the company to participate in one of the largest long-term modernization efforts in the national security space sector. Rood is expected to emphasize the increasing importance of on-orbit mobility, a capability Momentus is actively developing through its in-space transportation and repositioning services. As defense agencies look for ways to maneuver, refresh, and reconstitute space assets more quickly, mobility is becoming a critical requirement. Momentus believes that its technology roadmap aligns with these needs, potentially strengthening the company's positioning in future government and commercial procurement cycles. The SmallSat Symposium is one of the most influential gatherings in the small satellite sector, drawing leaders from across commercial space, defense, and investment communities. About Momentus Momentus is a U.S. commercial space company offering satellites, satellite components, and in-space transportation and other services utilizing our Vigoride Orbital Service Vehicle. The Company offers satellites to support government and commercial customers for missions like communications, missile tracking, and cutting-edge science missions. Momentus offers services such as hosted payloads, support for in-space assembly, on-orbit servicing and refueling, and transportation of satellites to specific orbits. Forward-Looking Statements This press release contains certain statements which may constitute "forward-looking statements" for purposes of the federal securities laws. Forward-looking statements include, but are not limited to, statements regarding the expected filing of the Company's Form 10-K and Form 10-Q and its management team's expectations, hopes, beliefs, intentions or strategies regarding the future, projections, forecasts or other characterizations of future events or circumstances, including any underlying assumptions, and are not guarantees of future performance. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict and many of which are outside of Momentus' control. Many factors could cause actual future events to differ materially from the forward-looking statements in this press release, including but not limited to risks and uncertainties included under the heading "Risk Factors" in the Annual Report on Form 10-K filed by the Company on April 9, 2025, as such factors may be updated from time to time in our other filings with the Commission, accessible on the Commission's website at www.sec.gov and the Investor Relations section of our website at investors.momentus.space. Forward-looking statements speak only as of the date they are made. Readers are cautioned not to put undue reliance on forward-looking statements, and, except as required by law, the Company assumes no obligation and does not intend to update or revise these forward-looking statements, whether as a result of new information, future events, or otherwise. Media:[email protected] Investors:[email protected] KEYWORD: UNITED STATES NORTH AMERICA CALIFORNIA INDUSTRY KEYWORD: AEROSPACE TECHNOLOGY MANUFACTURING WHITE HOUSE/FEDERAL GOVERNMENT OTHER TECHNOLOGY SATELLITE MILITARY GOVERNMENT TECHNOLOGY DEFENSE PUBLIC POLICY/GOVERNMENT HARDWARE PUB: 02/11/2026 08:00 AM/DISC: 02/11/2026 08:02 AM
Momentus secures $5 million in private placement financing
Momentus, a US commercial space company, has raised $3.7 million in gross proceeds through a warrant inducement transaction with an existing institutional investor. The investor will exercise August 2025 warrants to purchase up to 4,862,058 shares at a reduced price of $0.77 per share. In exchange, the investor will receive new December 2025 warrants to purchase up to 7,293,087 shares at $0.77, exercisable for five years following stockholder approval. The transaction is expected to close around 11 December 2025. Momentus will use the net proceeds for working capital and general corporate purposes. A.G.P./Alliance Global Partners served as exclusive financial advisor. The company also agreed to amend existing October 2025 warrants, reducing their exercise price from $1.43 to $0.77 per share, subject to stockholder approval.