Jobs in the United States

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Added 5 mins ago
TT
Fullstack Software Engineer
True Talent Solutions Partners
San Francisco, CA
- $160,000 to $200,000 USD / year
- Build provider operations tools for credentialing, contracting, compliance, payroll, scheduling, and staffing.
Added 19 mins ago
KD
Operations Supervisor
Keurig Dr Pepper
Knoxville, TN
- $80,000 to $100,000 USD / year
As an Operations Supervisor , you will lead and develop a team of approximately 25 manufacturing associates in a highly automated, TPM-based production environment. You will foster a…
Added 19 mins ago
Sr Project Manager
Keurig Dr Pepper
Knoxville, TN
…infrastructure, and product quality. This role partners closely with Operations, Maintenance, Quality, Continuous Improvement, Engineering, and Vendor/Contractor teams to identify…
Added 19 mins ago
Sr Global Category Manager, CAPEX - EMI (Equipment, Mobility and Infrastructure)
Amazon
Nashville, TN
…strategically source Auxiliary equipment and services for fulfillment operations within CAPEX - Equipment, Mobility and Infrastructure category. The person in this role will coordinate with…
Added 19 mins ago
ConvergeProsperity - Lead Product Forward Deployed Engineer for FSI Signals - Products & Platforms
Deloitte
Nashville, TN
As the lead pFDE, you will be responsible for developing the strategy, vision, and operations of the FDE function for the Signals product. You will drive commercial success by defining…
Added 19 mins ago
ConvergeHEALTH Life Sciences - Product Management & Strategy Manager - Products & Platforms
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Conduct ongoing market research and competitive landscape analysis across the market access technology, managed markets, and life sciences commercial operations space.
Added 19 mins ago
Engineering Technical Transformation Senior Consultant with Anthropic Experience
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Nashville, TN
…alongside talented professionals reimagining and re-engineering operations and processes that are critical to businesses. Your contributions can help clients improve financial performance,…
Added 19 mins ago
Associate, Analytics and Insights
Deloitte
Nashville, TN · Hermitage, TN · Memphis, TN
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Added 19 mins ago
Solutions Architect III
Amazon
Nashville, TN
Experience working with end user or developer communities
Added 19 mins ago
Senior Program Manager, Global Procurement Organization (GPO)
Amazon
Nashville, TN
…Program Manager to drive strategic initiatives across procurement operations. This position leads complex, cross-functional projects that optimize processes, enhance operational efficiency,…
Added 19 mins ago
Lead Product Forward Deployed Engineer (pFDE) - Products & Platforms
Deloitte
Nashville, TN
…product-market fit. This role is focused on Fund & Investment Operations, an integrated, AI-enabled platform delivering oversight of fund and investment operation, transparency into service…
Added 19 mins ago
Senior Manager, Technical Accounting
Indeed
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Partner with cross-functional teams, including Finance, Legal, and Operations, to assess the accounting implications of business initiatives and transactions
Added 19 mins ago
Lead Finance Analyst
Lumen
Nashville, TN
Partner cross-functionally with revenue operations, sales, product, and finance teams to align insights with business priorities.
Added 19 mins ago
Technical Strategic Business Developer
Emerson
Nashville, TN
Added 26 mins ago
O
Oracle Network Developer -ONSR
Oracle
Austin, TX · Reston, VA
- $39.9 to $79.86 USD / hour
…Contributes business logic to automation frameworks for testing and operations independently, automating network tasks and reviewing dashboards to monitor network health. Independently…
Added 32 mins ago
Engineering Leadership Roles – Data Centers
Rosendin Electric, Inc
Remote, United States
…role responsible for guiding regional engineering strategy, operations, and performance. This leader will oversee engineering teams delivering state‑of‑the‑art data center designs -…
Added 33 mins ago
Vice President of Information Technology and Security
SheerID
Remote, United States
…information technology, enterprise information and data security operations, IT service delivery and. Reporting directly to the CHRO, this executive will establish a cohesive technology and…
Added 41 mins ago
Senior People Operations Manager
PhysicsX
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We're looking for a People Operations Specialist to provide day-to-day People Ops support for our US team - currently our second-largest hub and growing quickly. Reporting to our…
Added 45 mins ago
Senior QA Engineer
FacilityOS
Annapolis, MD
FacilityOS is a fast-growing company redefining how facilities operate - bringing safety, security, and daily operations into one unified platform used by organizations around the world.
Added 56 mins ago
Equipment Operator
Clean Harbors
Tulsa, OK
…and the customer, including hands-on information regarding operations, safety, equipment, emergency response and administrative…
Added 1 hour ago
TT
Product Engineer, Mid-Senior
True Talent Solutions Partners
New York, NY
- $140,000 to $200,000 USD / year
…technology company, building software for staffing and industrial operations. You will apply AI agents and language models to real product workflows while taking ownership of high-priority…
Added 1 hour ago
IHE Cybersecurity Compliance & Incident Response Specialist
Valiant Solutions, LLC
Remote, United States
Added 1 hour ago
Red Team Tester (Mid)
Valiant Solutions, LLC
Remote, United States
Participate in purple team activities with defensive and security operations center (SOC) personnel to compare attacker activity with security telemetry, detections, and defensive response.
Added 1 hour ago
Red Team Tester (Junior)
Valiant Solutions, LLC
Remote, United States
…from secure system design and accreditation through AI-enabled operations, threat emulation, and continuous improvement, across classified and unclassified environments. Our work is…
Added 1 hour ago
Penetration Tester (Junior)
Valiant Solutions, LLC
Remote, United States
…from secure system design and accreditation through AI-enabled operations, threat emulation, and continuous improvement, across classified and unclassified environments. Our work is…

Portal Space Systems

Staff Propulsion Engineer (Test)

Bothell, WA, United States

Pay Range $165K to $215K

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Job details

Pay: Pay Range $165K to $215K
Experience: 6+ years of experience in hands-on propulsion or fluid system hardware testing
Posting language: English
Posted: Oct 30, 2026

Original job description

About Portal

Portal Space Systems is on a mission to expand humanity’s freedom of movement in space. We’re building the spacecraft that makes that mission possible. From our Bothell, WA headquarters, we design vehicles with the maneuverability, resilience, and adaptability needed for the next era of orbital operations. Every system we build is in service of a simple idea: space should be more accessible, responsive, and capable. Joining Portal means stepping into a team that believes in bold engineering, fast iteration, and the power of small groups to change what’s possible. If you want your work to directly shape the future of in-space mobility, join us.

The Test-focused Propulsion Engineer leads propulsion test capability and practices, using their hands-on test expertise to advance thruster, feed system, and pressurant system development. The role is responsible for developing and commissioning propulsion test stands and facilities, including a large vacuum chamber, and for defining and executing hazardous test operations involving high pressure, vacuum, ammonia, and high power optical and induction systems. This position establishes propulsion test standards with the team, mentors fellow Propulsion Engineers, and partners with hardware owners and suppliers to plan test campaigns, stand up sufficient test capability quickly, generate trustworthy data, and drive hardware development from early development testing through qualification.

Core Responsibilities

Overarching Responsibility – Propulsion Test Leadership

Lead propulsion test planning across thruster, feed system, and pressurant system development, partnering with hardware owners and propulsion leadership on test priorities, schedule, and resourcing
Establish and maintain propulsion test standards with the team, including test procedures, hazardous operations practices, test readiness reviews, data quality, and test reporting
Mentor fellow Propulsion Engineers in test planning, test execution, and hazardous operations
Facilitate test readiness and post-test reviews, helping hardware owners clearly document and communicate results to inform hardware decisions
Guide test capability investments across the propulsion roadmap, balancing fast, sufficient capability now against longer-term infrastructure needs

Primary Responsibility – Thruster Test

Own HEX Thruster test campaigns from test planning and procedure definition through execution, data review, and reporting
Stand up and commission a large vacuum chamber facility, bringing up sufficient test capability first and iterating toward the full facility (pumping, feedthroughs, instrumentation, and safety systems)
Integrate and safely operate the high power optical and induction systems that drive the thruster
Define thruster test instrumentation and diagnostics to measure performance (e.g., thrust, propellant flow, temperatures, and pressures)
Define and execute hazardous operations procedures for ammonia, high pressure, vacuum, and high power systems

Secondary Responsibility – Feed & Pressurant System Test

Develop and commission test stands for feed system and pressurant system component and system-level testing, favoring fast, sufficient setups that generate data early over building final-state infrastructure up front
Support development and qualification testing of valves, regulators, tanks, and flow control hardware, partnering with hardware owners on test requirements and execution
Partner with Fluid/Thermal analysis to define pre-test predictions and correlate models with test data
Define test stand DAQ and control architectures and develop AI-assisted automation and data processing to rapidly turn test data into hardware decisions

What You Bring To Portal

Strong foundation in fluid systems, vacuum systems, and high energy test hardware with the ability to apply first principles reasoning to test design, test safety, and anomaly resolution
Ability to lead a test scope, prioritizing the tests that most effectively reduce risk and accelerate hardware decisions, and establishing safe, repeatable test practices for the team
Ability to mentor engineers, establish test standards, and lead collaboratively with hardware owners to deliver propulsion test campaigns
Bias toward fast and sufficient solutions first, getting useful test data in hand and iterating toward the intended final state rather than aiming for it out of the gate
Propensity to solicit and provide peer review, clearly and concisely document procedures and results, and communicate implications for the associated hardware

Basic Qualifications

Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or related field
6+ years of experience in hands-on propulsion or fluid system hardware testing
Experience developing and commissioning test stands or test facilities
Experience defining and executing high pressure, vacuum, and hazardous test operations
Experience leading test campaigns and mentoring engineers

Preferred Qualifications

Proficiency with NI DAQ hardware and software
Experience using AI-assisted tools for test automation and data processing
Experience with ammonia or other toxic propellants
Experience with high power optical or induction systems
Experience standing up large vacuum chambers or thruster test facilities

Pay Range $165K to $215K

Compensation and Benefits:

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

At Portal, your base salary is just one part of your total rewards package. You may also be eligible for long-term incentives, in the form of company equity at an exciting time of company growth as well as potential bonuses. You will also receive access to comprehensive medical, vision, and dental coverage (premiums paid by Portal 100%), access to a 401(k)-retirement plan, paid parental leave, you may also accrue 3 weeks of paid vacation and will be eligible for 12 or more paid holidays per year as well as sick time.

ITAR Statement

This position may involve access to technical data and defense-related materials controlled under the International Traffic in Arms Regulations (ITAR). Eligibility to access ITAR-controlled items requires that candidates be U.S. persons, which includes U.S. citizens, lawful permanent residents, and other protected individuals as defined by U.S. law. Employment is contingent upon verification of ITAR eligibility and, where applicable, obtaining any required export authorization or license.

Equal Opportunity Statement

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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Skills

Prioritization
Mechanical engineering
Aerospace engineering
Test hardware
Coaching
Tools for ICT test automation
Process data

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