Jobs in the United States

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Added 34 mins ago
Quality Engineer
Tenneco
Seward, NE
Conduct internal quality system audits and monitor the progress and verification of corrective actions
Added 48 mins ago
R
Senior AI Engineer
Rearc
Remote, United States
- $191,000 to $209,000 USD / year
Rearc is seeking a hands-on AI Engineer to design, build, and deploy production-grade AI-driven systems within enterprise environments. This position is focused on delivering real-world…
Added 53 mins ago
Sentinel - Principal Systems Safety Engineer - 17339
Northrop Grumman
Huntsville, AL
The System Safety Engineer is to influence design for meeting safety expectations and requirements for our Northrop Grumman Products. The successful candidate will independently analyze and…
Added 53 mins ago
Sentinel - Systems / Principal Systems Safety Engineer
Northrop Grumman
Huntsville, AL
The candidate will have experience in generation or review of design artifacts to support System Safety analyses utilized in maturing weapons system design for safety and support flight…
Added 1 hour ago
Systems Engineer (Ref# SE1030VG)
Echeneidae Inc. dba Remora
Wixom, MI
Echeneidae Inc. dba Remora has an opening for the position of Systems Engineer (Ref# SE1030VG). Work Location: 29834 Beck Rd., Wixom, MI 48393. Job Duties: Support the development and…
Added 1 hour ago
Ergonomist / Occupational Safety Engineer, BlueOval Battery Park Michigan
Ford Motor Company
Marshall, MI
…equipment, compliance, and risk. The In-Plant Ergonomist/Safety Engineer will support the application of Ford ergonomics standards and tools and coordinate with other team members to…
Added 1 hour ago
Software Engineer III - Guidewire (ClaimCenter)
AF Group
Kalamazoo, MI
…software defects, and production application validation. Assist in design and maintenance of existing software. Follows standard troubleshooting and development procedures using various…
Added 1 hour ago
Electrical Engineer I
RMS Energy
Livonia, MI
We're looking for an **Electrical Engineer I **to provide electrical power system design, application, and technical expertise in areas such as power system protection and controls, power…
Added 1 hour ago
Development Engineer II
Roush Enterprises
Livonia, MI
…referral bonuses, paid vacation, paid holidays. The Development Engineer II is a hands-on engineering position in a dynamic product development or testing environment. This role will be…
Added 1 hour ago
IT (Computer Engineering) Specialist
Longterm Technology Services, LLC.
Troy, MI
Added 1 hour ago
Product Development Engineer - Exterior Structural Castings
Ford Motor Company
Dearborn, MI
This PD Structural Casting Engineer position is within our Product Development organization focused on the design and development of structural high pressure die cast (HPDC) components to…
Added 1 hour ago
Laser Welding Engineer
Ford Motor Company
Dearborn, MI
…our future electric vehicles. We are seeking a Laser Welding Engineer to develop, industrialize, and optimize laser joining processes between battery cell cans and busbar/current collector…
Added 1 hour ago
Launch Process Engineer
Ford Motor Company
Dearborn, MI
The candidate will be responsible for the specification, design, validation, runoff, installation, and launch of new and existing machining systems that produce engine and transmission…
Added 1 hour ago
HV Battery NVH/Durability CAE Engineer
Ford Motor Company
Dearborn, MI
We are looking for an experienced structures CAE engineer to lead High Voltage battery internals and related system structural design using CAE tools. You will work with battery design &…
Added 1 hour ago
Quality Assurance Engineer
Nanosoft Technologies, Inc.
Ann Arbor, MI
Develop and execute software tests to identify software problems and their causes. Test system modifications to prepare for implementation. Document software and application defects using a…
Added 1 hour ago
ADAS Engineer
V2soft Inc.
Ann Arbor, MI
Added 1 hour ago
Quality Assurance Engineer
Nanosoft Technologies, Inc.
Ann Arbor, MI
Develop and execute software tests to identify software problems and their causes. Test system modifications to prepare for implementation. Document software and application defects using a…
Added 1 hour ago
Quality Assurance Engineer
Anu Software Consultants, Inc.
Ann Arbor, MI
Develop and execute software tests to identify software problems and their causes. Test system modifications to prepare for implementation. Document software and application defects using a…
Added 1 hour ago
Infrastructure Engineer II
AF Group
Lansing, MI
SUMMARY:nnThe Infrastructure Engineer II role is responsible for the operations of secure and highly available computing platforms, servers, and networks. This role is responsible for…
Added 1 hour ago
Software Engineer III - Guidewire (ClaimCenter)
AF Group
Lansing, MI
…software defects, and production application validation. Assist in design and maintenance of existing software. Follows standard troubleshooting and development procedures using various…
Added 1 hour ago
Product Development Engineer - Evaporator & Blower Assembly (HVAC) Core Engineer
Ford Motor Company
Dearborn, MI
Support Technical Design Reviews for System/Subsystem/Component
Added 1 hour ago
EC
Regional Application Engineer
Eaton Corporation
Boise, ID
- $99,000 to $145,000 USD / year
…lines on the development of tools and literature focused on system designers and provide voice-of-customer input to drive product development.Provide technical application support on target…
Added 2 hours ago
Senior Wireless Software Engineer (5G/6G Protocol Stack)
Keysight Technologies, Inc.
San Diego, CA
Proven experience as an R&D, platform, systems, or protocol-stack development engineer with demonstrated ownership of software design, implementation, debugging, and maintenance.
Added 2 hours ago
Forward Deployment Engineer – Senior - 5G/6G/NTN
Keysight Technologies, Inc.
San Diego, CA
Proven experience as an R&D, platform, systems, or protocol-stack development engineer with demonstrated ownership of software design, implementation, debugging, and maintenance.
Added 3 hours ago
Principal Electrical Engineer – Proposal Lead
RTX
United States
Design Verification and system level verification testing experience.

Firefly Aerospace

Test Engineer, Propulsion IV

Briggs, TX, United States

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Job details

Posting language: English
Posted: May 26, 2026

Original job description

ABOUT FIREFLY AEROSPACE

Firefly Aerospace is a space and defense technology company on a mission to reliably and repeatedly launch, land, and operate space systems from Earth to the Moon and beyond. As the partner of choice for critical space missions, Firefly is the first commercial company to launch a satellite to orbit with 24-hour notice and the first company to achieve a successful Moon landing. Headquartered in north Austin, Texas, Firefly is looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.

SUMMARY

We are seeking an experienced Propulsion Test Engineer to join our test operations team at our manufacturing and test facility in Briggs, TX. This role is for a hands-on test professional with proven expertise in liquid propulsion testing who can lead complex test campaigns and drive operational excellence in our hypergolic test programs.

As a Test Engineer, you will take ownership of test operations for the Spectre propulsion engine and other liquid propulsion systems supporting the Blue Ghost lunar lander program. You will leverage your experience with liquid rocket propulsion to plan and execute critical hotfire testing, lead anomaly resolution efforts, and mentor junior test personnel. Your expertise will directly impact mission success as we prepare our systems for lunar missions.

Testing Spectre will have a direct impact on the success of future lunar missions and will ultimately drive changes to the landscape of our space industry. Specter is an engine built on site, tested on site, and operated by you to be ready to fly to the lunar surface and beyond.

RESPONSIBILITIES

Test Operations & Execution

Lead the integration, instrumentation, and execution of hotfire tests for the Spectre propulsion engine and related liquid propulsion systems
Develop comprehensive test plans, procedures, and operational sequences for complex propulsion system testing
Serve as test conductor for critical test operations, managing console operations, data acquisition systems, and test team communications
Perform and oversee hands-on setup, checkout, and operation of ground support equipment including propellant transfer systems, pressurization systems, and safety systems
Execute propellant loading, engine conditioning, ignition sequences, and safing operations in accordance with approved procedures

Technical Leadership & Analysis

Analyze test data in real-time and post-test to verify system performance, identify anomalies, and validate test objectives using tools such as Python, LabView, or similar
Lead anomaly investigations, root cause analysis, and implementation of corrective actions
Collaborate with propulsion design engineers, systems engineers, and technicians to resolve technical issues and optimize test operations
Support design reviews and provide test operations input to hardware and facility design efforts
Develop and improve test infrastructure, instrumentation strategies, and operational capabilities

Safety & Documentation

Ensure all test operations comply with safety protocols, hazard controls, and regulatory requirements for hypergolic propellant operations
Participate in hazard analyses, safety reviews, and operational readiness reviews
Maintain accurate test documentation, configuration control, and test records
Support development and review of facility procedures, work instructions, and safety documentation

Program Support

Work directly with stakeholders of the Blue Ghost Lunar Lander program and other Firefly propulsion development efforts
Support test schedule development and resource planning for propulsion test campaigns
Provide technical mentorship and training to junior test engineers and technicians

QUALIFICATIONS

Required

BS in Mechanical Engineering, Aerospace Engineering, Chemical Engineering, or related discipline
Minimum 5 plus years of hands-on experience with liquid rocket propulsion test operations, including test planning, execution, and data analysis
Demonstrated experience leading or conducting liquid propulsion hotfire tests (engine, thruster, or integrated vehicle)
Strong understanding of liquid propulsion systems including propellant feed systems, pressurization systems, ignition systems, and propellant chemistry
Proficiency with fluid systems including valves, regulators, pressure vessels, propellant transfer systems, and leak detection methods
Experience with data acquisition systems, instrumentation (pressure, temperature, flow, thrust), and sensor calibration
Ability to read and interpret P&IDs, control schematics, and engineering drawings for complex fluid systems
Demonstrated experience with test data analysis and reporting
Strong problem-solving skills and ability to troubleshoot complex systems under pressure
Excellent written and verbal communication skills

Firefly offers outstanding benefits for our employees, including generous health, dental and vision plans with low plan deductibles, parental leave, educational reimbursement, short term disability, and flexible PTO options.

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you 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.

Firefly Aerospace, Inc. is an Equal Opportunity Employer; employment with Firefly is governed based on merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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