Jobs in the United States

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Added 3 hours ago
Digital ASIC/FPGA Design Engineer II - Onsite
RTX Corporation
mckinney, TX
Raytheon is seeking a motivated Digital Design Engineer to support product development for defense applications. This position is based in McKinney, Texas .
Added 3 hours ago
FPGA Electrical Engineer II (Onsite)
RTX Corporation
mckinney, TX
Raytheon is currently seeking a FPGA Electrical Engineer II to join our team! The Multi-Product Power & Digital (MPD) Department designs FPGAs, circuit cards, and electronics subassemblies…
Added 5 hours ago
PN
Research Engineer II - Building Energy Modeling
Pacific Northwest National Laboratory
Portland, OR · Richland, WA · Seattle, WA
- $89,300 USD / year
This position is in the Building Simulation and Design Group (BS&DG) within PNNL’s Electricity Infrastructure and Buildings Division. BS&DG conducts modeling and analysis to evaluate the…
Added 5 hours ago
PN
Software Engineer II - Building Applications
Pacific Northwest National Laboratory
UNAVAILABLE · Portland, OR · Seattle, WA · Richland, WA
- $109,000 USD / year
This position is in the Building Simulation and Design Group (BS&DG) within PNNL’s Electricity Infrastructure and Buildings Division. BS&DG conducts modeling and analysis to evaluate the…
Added 5 hours ago
Undersea Systems Security Engineer
BOOZ, ALLEN & HAMILTON, INC.
Washington, DC
Join our team as a Systems Security Engineer supporting cybersecurity and systems security analysis for U.S. Navy afloat and undersea platforms. You will help design, assess, and implement…
Added 6 hours ago
Digital Hardware Engineer
BAE Systems
Totowa, NJ
…dynamic engineering development team, leading first unit test, design verification test, integration and transition to production tasks on complex digital circuit cards and…
Added 7 hours ago
Software Test Engineer (Integrated Training Systems) - 30882
Huntington Ingalls Industries
Virginia Beach, VA
HII Mission Technologies’ System Integration group is seeking a Software Test Engineer to join our Integrated Training Systems Software Development team. In this role, you’ll support the…
Added 7 hours ago
Red Team Penetration Tester
BOOZ, ALLEN & HAMILTON, INC.
Dahlgren, VA
…Framework ( RMF ) artifacts, CONOPS, systems engineering plans, design specifications, and interface descriptions, and the actual applied security controls as developed or deployed within…
Added 7 hours ago
Sr Software Engineer - Terraform Foundations
IBM
Raleigh, NC
…work with diverse technologies, partners, and industries to design, develop, and deliver solutions that power digital transformation. With a culture that values innovation, growth, and…
Added 7 hours ago
Network Engineer
BOOZ, ALLEN & HAMILTON, INC.
Fayetteville, NC
As a Network Engineer, you will help maintain and execute a network of simulators and modeling capabilities focused on providing exercise capabilities for various units. These simulators…
Added 8 hours ago
Software Verification Engineer
GE HealthCare
Madison, WI
We are seeking a detail-oriented and driven Software Verification Engineer to join our engineering team. In this role, you will be responsible for performing verification testing and…
Added 8 hours ago
BA
Tier 3 MLOPs Engineer
Booz Allen Hamilton
Aurora, CO
- $55,200 to $126,000 USD / year
…development, engineering, and analytic skills? As a Tier 3 MLOps Engineer on our team, you will work with a collaborative Agile development team to manage Tier 3 incidents and help build…
Added 8 hours ago
Engineer I - R&D Disposables (hybrid)
Vantive US Healthcare LLC
Plymouth, MN
Supports design and development of product changes within sustaining engineering and new product development for disposable medical devices.
Added 9 hours ago
Engineer II
General Atomics
Poway, CA
We have an exciting entry level career opportunity for a highly motivated Dynamics Engineer within our Airframe Integrity Group located in Poway, CA. This position will report to the…
Added 9 hours ago
Digital Design Hardware Electrical Engineer II (Onsite)
RTX Corporation
el segundo, CA
Raytheon is seeking a highly motivated Digital Hardware Design Engineer to join our hardware engineering team. In this role, you will contribute to the design, development, verification,…
Added 9 hours ago
RF/Microwave Antenna Electrical Engineer II (Onsite)
RTX Corporation
el segundo, CA
Raytheon is seeking a Radio Frequency (RF)/Microwave Antenna Engineer within our Airborne Radar Electronics Design Hardware Engineering directorate. This role will be an on-site position…
Added 10 hours ago
Plant Engineer III - Mechanical Handling
Amentum
Richland, WA
The Plant Engineer job family is responsible for technical activities relating to operations and maintenance of plant equipment. The Plant Engineer protects the installed configuration of…
Added 11 hours ago
Systems Engineer, Senior
BOOZ, ALLEN & HAMILTON, INC.
Rome, NY
As a systems engineer on our team, you'll have the chance to shape the DoD by supporting aerospace engineering teams. Your customer will t rus t you to not only design and develop these…
Added 13 hours ago
Engineer I-III (SCADA Engineer)
TXNM Energy
Albuquerque, NM
The position will be filled at the Engineer I, II, or III level based on the selected candidate¿s qualifications and experience. Assignments, independence, and technical responsibility will…
Added 13 hours ago
Engineer I-III (OMS Analyst)
TXNM Energy
Albuquerque, NM
The position will be filled at the Engineer I, II, or III level based on the selected candidate¿s qualifications and experience. Assignments, independence, and technical responsibility will…
Added 13 hours ago
Engineer I/II
City of Santa Maria
Santa Maria, CA
The Engineer I/II position is an Individual Contributor role that provides design and engineering services to ensure City-owned infrastructure, assets, and facilities are constructed and…
Added 14 hours ago
FinOps Cloud Engineer | Active Secret clearance
GD Information Technology, Inc.
Remote, United States
As a FinOps Cloud Engineer, you will collaborate with engineering and operations teams to design, optimize, and manage cloud and automation capabilities that enable reliable, secure, and…
Added 14 hours ago
Cybersecurity Information Security Assessor
GD Information Technology, Inc.
United States
Design, document, and maintain secure architectures for DEOS services hosted in Azure and related environments (e.g., NSGs, Azure VMs supporting M365, management, monitoring, or integration…
Added 14 hours ago
Circuit Activation Engineer - TS/SCI clearance
GD Information Technology, Inc.
United States
We’re seeking a Circuit Activation Engineer to design, deploy, and support secure, high‑performance network solutions that keep our mission moving. If you enjoy solving complex technical…
Added 14 hours ago
Circuit Activation Engineer - TS/SCI clearance
GD Information Technology, Inc.
United States
We’re seeking a Circuit Activation Engineer to design, deploy, and support secure, high‑performance network solutions that keep our mission moving. If you enjoy solving complex technical…

Quantum Space

Thermal Engineer II

Rockville, MD, United States
801 Thompson Ave. Suite 201 Rockville, MD, United States

Base Salary: $100,000-140,000

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Job details

Pay: Base Salary: $100,000-140,000
Posting language: English
Posted: Oct 30, 2026

Original job description

Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly.

Who We’re Looking For

We are seeking a Spacecraft Thermal Engineer to contribute to the development, implementation, and validation of thermal control solutions for our spacecraft platforms. In this high-impact role, you will assist in major aspects of spacecraft thermal design, analysis, and verification, working closely with a fast-moving team of engineers and scientists to shape the future of in-space systems.

This role is for an engineer who thrives in a startup-paced environment, can take broad responsibility for thermal system performance, while also rolling up their sleeves for hands-on integration and testing.

Where You’ll Make an Impact

Develop high-fidelity spacecraft component thermal models for prediction of on-orbit performance
Review, refine, and correlate as-built thermal models and vendor-supplied thermal documentation
Collaborate closely with mechanical, electrical, and systems engineering teams to ensure spacecraft designs meet thermal requirements
Support thermal vacuum (TVAC) test planning, execution, correlation, and troubleshooting
Develop tools, workflows, and standards within the thermal ecosystem to improve efficiency and repeatability of future programs
Generate simplified models, thermal environments, and interface documentation for suppliers and customers
Review and approve component and assembly designs for thermal flight readiness
Produce engineering content and analyses for design reviews, test readiness reviews, and verification reports
Support integration, test, and launch-site operations for spacecraft thermal performance

What It Takes

Bachelor's degree in Mechanical Engineering, Aerospace Engineering, or related field
2+ years of relevant thermal engineering experience (spacecraft strongly preferred)
Advanced proficiency in Thermal Desktop, SINDA/FLUINT, or equivalent thermal analysis tools
Experience with spacecraft flight hardware, integration, and thermal vacuum testing
Familiarity with NASA, commercial, and industry standards for spacecraft design
Demonstrated experience correlating thermal models with test data

Nice-to-Have Experience

Experience with spacecraft operations, thermal limits, and anomaly resolution
Knowledge of thermal coatings, adhesives, multilayer insulation (MLI), and related materials
Exposure to electrical component thermal modeling and PCB thermal behavior
Experience with heat pipes, loop heat pipes, radiators, and advanced thermal hardware
Understanding of orbital dynamics and thermal environments across varying mission profiles
Prior experience in a fast-paced startup or NewSpace environment

What You’ll Get

Ownership – Take responsibility for spacecraft thermal system performance, from design and analysis through integration, testing, and flight readiness
Innovation – Support transformative aerospace and defense programs enabling next-generation space mobility and operations
Impact – Help ensure the thermal performance, reliability, and mission success of next-generation spacecraft
Growth – Join a collaborative engineering team working across advanced spacecraft technologies in a fast-paced, innovative environment
Compensation – Competitive salary, equity, and comprehensive benefits including medical, dental, vision, generous leave, FSA, 401(k) matching, and equity sharing

Location: Rockville, MD

Base Salary: $100,000-140,000

The salary range for this role is an estimate based on a wide range of compensation factors. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Quantum Space's total compensation package.

Additional Requirements

To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

Apply now. Join us in building the next generation of spacecraft.

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Skills

Documentation
Troubleshooting
Assembly
Mechanical engineering
Aerospace engineering
Printed circuit boards
Work as a team

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