Senior Propulsion Test Engineer Job at Hermeus (Jacksonville)

Senior Propulsion Test Engineer

Hermeus is seeking a Senior Propulsion Test Engineer to support the development,...

Location

United States , Jacksonville

Salary:

138550.00 - 187450.00 USD / Year

Hermeus

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Mechanical, Aerospace, or a related Engineering discipline
7+ years of experience in propulsion test, mechanical systems, or fluid systems design and operation
Hands-on experience working with high-pressure, cryogenic, or high-temperature fluid systems
Proficiency in reading and creating P&IDs and mechanical drawings
Experience with data acquisition and control systems
Strong understanding of system safety practices and operational discipline in hazardous test environments
Excellent analytical, troubleshooting, and problem-solving skills
Effective communicator who can work independently within a fast-paced, cross-functional team
Valid driver’s license and ability to work extended hours or weekends as required by test schedules
U.S. citizenship and ability to obtain and maintain a security clearance

Job Responsibility

Design, develop, and maintain propulsion test stands and associated infrastructure, including mechanical systems, fluid systems, and instrumentation
Execute propulsion and subsystem test operations, including planning, integration, checkouts, and post-test analysis
Support the maintenance of existing test equipment, data acquisition systems, and control hardware
Generate and review detailed test plans, procedures, and safety documentation
Collaborate with propulsion, GNC, software, and vehicle systems engineers to support test article integration and operation
Analyze test data to validate performance, identify anomalies, and recommend design or procedural improvements
Participate in system readiness reviews, safety walkdowns, and test preparation activities
Work with technicians to install hardware, route fluid lines, connect instrumentation, and configure control systems
Support root-cause investigations and corrective actions when test failures or anomalies occur
Drive continuous improvements in test operations, safety, and reliability processes

What we offer

Competitive salary and equity
Unlimited PTO policy
Paid parental leave
Potential for year-end bonuses
100% employer-paid health care
401k & Retirement Plans
Weekly Paid Office Lunches
Fully stocked breakrooms
Stock Options

Fulltime

Senior Hardware Engineer- Propulsion Controller

To achieve our vision of a world with Zero Crashes, Zero Emissions and Zero Cong...

Location

United States , Milford

Salary:

Not provided

General Motors

Expiration Date

Until further notice

Requirements

Bachelors degree (or higher) in Electrical, Computer Engineering or equivalent
5+ years of experience in electronic hardware design, with a strong focus on propulsion controller hardware design and automotive hardware electronics design
Experience in designing propulsion controller hardware and components, such as SoCs, MCUs, Ethernet Switches, PHY, CAN, power supply design, etc
Strong proficiency in circuit design, schematic creation, PCB layout, signal integrity and power integrity, and power management
Experience in design & analysis tools like: Mentor Graphics (schematic & layout), Ansys (signal integrity), Simplis (power integrity), Altair (EMC), Mathcad, PSpice & Saber
Proven ability of successfully launching build-to-print hardware into production
In-depth knowledge of requirements engineering process (FMEA, Preliminary Hazard Analyses)
In-depth knowledge of verification and validation processes
In-depth knowledge of embedded software development, testing and associated tools
Understanding of hardware design and failure mode

Job Responsibility

Design of propulsion controller electrical hardware: from schematic capture, worst case analysis, PCB layout, bring-up, debug, signal integrity and power integrity (SI/PI), design verification test (environmental and EMC), to manufacturing support and production launch
Design and development of the propulsion controller hardware (from concept design to launch) while meeting cost, timing, quality, and safety targets
Collaborate with cross-functional teams, such as software, mechanical, and manufacturing, to ensure seamless integration of the electrical design of the propulsion controller hardware
Work closely with contract manufacturing partners to ensure successful product build, from prototype through to mass production, while maintaining quality, cost, and timing targets
Electrical schematic design and PCB layout
Support new IC design/development strategic to new propulsion controller designs and architectures
Perform/support detailed hardware analysis – worst case analysis, thermal analysis, signal integrity, power integrity, etc
Execute bring-up of hardware design from power supplies, SoCs, MCUs, network devices, solenoid/valve control, instrumentation, etc
Lead design for manufacturing (DFM), design for assembly (DFA), and design for testing (DFT)
Drive the validation and testing of hardware components and systems, ensuring high levels of reliability and performance

What we offer

This job may be eligible for relocation benefits

Fulltime

Senior Manufacturing Engineer – Virtual Engineering, Propulsion Systems

At General Motors, we are redefining manufacturing through advanced digital engi...

Location

United States , Warren

Salary:

Not provided

General Motors

Expiration Date

Until further notice

Requirements

5+ years of manufacturing experience
5+ years of hands-on experience with Siemens PLM and CAD systems, preferably NX
3+ years of hands-on experience with Siemens Tecnomatix Process Simulate or similar platforms
Basic understanding of PLC and robot programming, preferably Fanuc
Exposure to Agile methodologies and tools
Experience with business integration testing
Familiarity with powertrain components and manufacturing processes
Knowledge of data modeling and system architecture
Bachelor's degree in Engineering or related field, or equivalent practical experience

Job Responsibility

Lead virtual simulation and emulation initiatives that support manufacturing engineering and digital transformation efforts
Create and improve standardized virtual engineering processes that drive efficiency across equipment sourcing and project execution
Support the storage, processing, and accessibility of data across multiple platforms to enable scalability and collaboration
Partner with Process Engineering Leads and Machine Tool Builders to develop digital twins of physical manufacturing systems for simulation, testing, and real-time monitoring
Evaluate, design, and optimize manufacturing systems using Teamcenter Manufacturing Process Planner, Process Simulate, Integrated Emulation, and XR tools
Collaborate with Central Lead Manufacturing Engineers and IT teams to ensure consistency in simulation and emulation project execution across propulsion programs and manufacturing disciplines
Provide technical direction for the investigation, business integration testing, and deployment of both new and legacy virtual software and hardware utilities
Stay current on advancements in process simulation technology, industry trends, and emerging best practices

What we offer

This job may be eligible for relocation benefits

Fulltime

Senior Thermal Engineer - Contractor

Responsible for delivering spacecraft-level thermal design and analysis solution...

Location

United Kingdom , Guildford

Salary:

Not provided

Surrey Satellite Technology Limited

Expiration Date

Until further notice

Requirements

Degree in Engineering or Physics or appropriate vocational qualifications
Relevant and proven experience in appropriate thermal design and analysis in the space industry
Space mission and system level experience, including interfacing to other disciplines such as Mechanics, AOCS, Propulsion, AIT and Operations
Experience of the full life cycle of thermal design on multiple space missions

Job Responsibility

Delivering spacecraft-level thermal design and analysis solutions for Low Earth Orbit, Geostationary Earth Orbit and interplanetary missions
Working closely with the Thermal Team on fast-paced programmes to deliver practical, robust Thermal Control Subsystem (TCS) solutions on schedule and within budget
Spacecraft thermal control subsystem for the lifetime of a project including testing and in-orbit activities
Thermal subsystem management including design and analysis of the spacecraft TCS
Perform/manage TCS implementation and test activities
Delivery of an overall thermal solution that fits in with company and project requirements

Fulltime

Senior AOCS Engineer

Senior AOCS Engineer – Turin Full-Time, Permanent NewSpace Technical is proud to...

Location

Italy , Metropolitan City of Turin

Salary:

Not provided

NewSpace Technical

Expiration Date

Until further notice

Requirements

Master's degree in Aerospace Engineering, Space Engineering, or similar
~5+ years' experience in a comparable role within the space sector
Strong team player with a proactive, hands-on mindset
Comfortable working in fast-paced, international environments
Excellent communication skills in English
Deep knowledge of spacecraft sensors, actuators, and propulsion systems (chemical, cold gas, electric)
Strong understanding of pointing performance metrics (APE, RPE, AKE)
Solid grasp of spacecraft architecture, mission phases, and orbital/attitude dynamics
Experience developing AOCS simulations and performance analyses
Familiarity with momentum management strategies

Job Responsibility

Technical leadership of the AOCS suite (ADCS & Propulsion) from early mission phases through to in-orbit operations
Performing engineering analyses, modelling, and simulation to assess GNC/AOCS performance
Leading trade-offs, sizing, and architecture definition of AOCS subsystems
Defining and driving spacecraft GNC architecture in line with mission requirements
Managing key system budgets (delta-V, momentum, pointing performance)
Collaborating closely with multidisciplinary project teams
Coordinating and reviewing external partners' technical contributions
Supporting system engineering plans, design documentation, and verification strategies
Producing technical documentation for internal and external reviews
Supporting AIT/AIV and qualification activities, with a focus on AOCS

Fulltime

Lead / Senior GNC Engineer

Lead / Senior GNC Engineer (Satellites / Spacecraft) Location: Los Angeles, Cali...

Location

United States , Los Angeles

Salary:

Not provided

NewSpace Technical

Expiration Date

Until further notice

Requirements

Bachelor’s or advanced degree in Aerospace Engineering or a related discipline with focus on astrodynamics
5+ years of experience in spacecraft GNC, including ADCS and propulsion systems
Strong experience in orbital mechanics, mission design, and trajectory analysis
Proficiency in programming (Python, C++, or MATLAB) for modelling and flight software integration
Experience with satellite operations, ground systems, and GPS interfacing
Hands-on experience working with hardware, integration, or cleanroom environments
Strong leadership ability with experience mentoring engineers and driving technical delivery
Excellent problem-solving skills and attention to detail

Job Responsibility

Lead the design, integration, and testing of GNC systems across satellite programmes
Perform orbit design, trajectory analysis, and momentum/propellant budgeting using STK or Python-based tools
Develop and tune control laws for pointing, detumbling, and station-keeping
Interface with ADCS and propulsion suppliers to ensure seamless system integration
Work closely with avionics and integration teams to ensure correct hardware calibration and performance
Transition into mission operations, managing GNC manoeuvres and resolving in-flight anomalies
Act as the primary technical point of contact for external mission operations coordination (e.g. Space Defence stakeholders)
Document system design, testing, and performance, ensuring compliance with industry standards
Mentor junior engineers and contribute to a high-performance engineering culture

What we offer

Competitive Salary
Equity
Benefits
Flexible PTO

Fulltime

Propulsion Project Engineer

Join the U.S. Space Force Launch Enterprise SE&I 2 program—the premier systems e...

Location

United States , El Segundo

Salary:

130000.00 - 175000.00 USD / Year

Astrion

Expiration Date

Until further notice

Requirements

Bachelor’s degree in STEM
Master’s preferred
10+ years of aerospace engineering experience with launch vehicle propulsion systems focus
Expertise in solid/liquid propulsion, engine testing, procedures, anomaly resolution, and launch integration
Proven experience with risk assessments and mitigation planning
Strong knowledge of systems engineering across launch vehicle and spacecraft propulsion lifecycles
Experience supporting Space Force, NASA, NRO, LVCs, and Aerospace Corp programs
Skilled in knowledge capture, process definition, training, and technical documentation
Excellent verbal and written communication skills
capable of briefing senior stakeholders

Job Responsibility

Support customer acquisition functions: requirements development, RFPs, cost/technical/schedule/performance reporting
Perform systems engineering across the full launch vehicle lifecycle, including requirements definition, design reviews, test reviews, risk management, pedigree tracking, hardware acceptance, verification, operations, anomaly resolution, and post-flight propulsion analysis
Plan, coordinate, and brief Engineer Review Boards, program reviews, and technical meetings
Conduct technical data management: data mining, reporting, and analysis for propulsion and launch vehicle subsystems
Provide training, certification, and mentorship to engineering teams, including course development and peer review
Collaborate with USAF System Program Offices, Aerospace Corp, Launch Vehicle Contractors (LVCs), subcontractors, and launch sites
Prepare written evaluations, technical reports, and briefings for senior leadership

What we offer

Competitive salaries
Continuing education assistance
Professional development
Multiple healthcare benefits package options
401K with employer matching
Competitive time off policy along with a federally recognized holiday schedule

Fulltime

Senior Aerospace Engineer

SEG is seeking enthusiastic candidates to be part of our threat and interceptor ...

Location

United States , Huntsville

Salary:

Not provided

Astrion

Expiration Date

Until further notice

Requirements

US citizenship with ability to obtain and maintain a DoD Secret clearance
Bachelor of Science Degree in Aerospace Engineering (advanced degrees preferred)
At least 10+ years of applicable work experience
Experience in analysis and modeling of ballistic missile, cruise missile, and/or hypersonic systems including flight dynamics, vehicle performance characterization, propulsion system design, supersonic/hypersonic aerodynamics prediction, guidance, navigation, control, and flight test data analysis
Familiarity with MATLAB and/or Python programming languages
Ability to communicate well through written documentation and oral presentations
Good leadership skills
ability to mentor and train others
ability to lead a multi-disciplinary team
Good communicators with both verbal and written English language

Job Responsibility

Development of US scientific and technical all-source intelligence-based simulations to characterize the flight performance of threat ballistic missiles, cruise missiles, aero-ballistic missiles, hypersonic cruise missiles, and hypersonic glide vehicle performance
Development of U.S. interceptor missile flight simulations (3DOF to 6DOF) and models
Development of 6DOF aerodynamics, mass properties, propulsion system performance, guidance, navigation and control algorithms, seeker/sensor algorithms
Characterization of threat missile performance envelopes
Development and use of optimization tool suites
Executing design trade studies
Modeling of threat flight variations due to variations in environmental factors
Documentation and presentation of work to internal and external customers
Support of ongoing activities in developing a high fidelity Six Degrees-of-Freedom (6-DOF) digital flight simulation architecture
Ongoing development and refinement of flight optimization software and AI/ML efforts

What we offer

Competitive salaries
Continuing education assistance
Professional development
Multiple healthcare benefits package options
401K with employer matching
Competitive time off policy along with a federally recognized holiday schedule

Fulltime

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Senior Propulsion Test Engineer

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