USD 154560-193200/yr

Mechanical Engineer - Hydronics

Bellevue Office, Sunset Corporate CampusRemotemid

EngineeringOtherMechanical EngineerTrades & Skilled Labor

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Quick Summary

Key Responsibilities

Primary water/PG25 loop Secondary water/PG25 loop Define and standardize system design rules for flow, pressure drop, balancing,

Technical Tools

EngineeringOtherMechanical EngineerTrades & Skilled Labor

Armada is a full-stack edge infrastructure company delivering compute, connectivity, and sovereign AI/ML to some of the world’s most remote places. Named one of Fast Company's Most Innovative Companies, Armada’s solutions are deployed in over 60 countries globally for organizations ranging from energy to defense.

With over $200 million in funding, Armada is backed by top investors such as Microsoft (M12), Founders Fund, and has strategic partnerships including Starlink, Skydio, and NVIDIA. We are looking for the most brilliant minds in the world to join us.

Working at Armada means taking ownership, driving autonomy, and delivering impact. You’ll tackle challenges that haven’t been solved before and help build something transformative from the ground up. What you do here will not only define your career but help further Armada’s mission to bridge the digital divide for customers around the world.

About the role

We are looking for a Mechanical Engineer - Hydronics (Distribution Focus) to own the mechanical distribution architecture for our modular liquid-cooled data center platform. This role is responsible for the piping, valves, instrumentation, module interconnects, and serviceability strategy across both the primary water loop and secondary PG25 loop.

This is a hands-on architecture and execution role focused on building a system that is repeatable, commissionable, maintainable, and scalable across multiple deployments. The right candidate will bring deep hydronic distribution expertise and a practical understanding of what it takes to move a design from concept into manufacturing, field installation, startup, and long-term operation.

You will work closely with internal engineering teams, OEMs, fabricators, controls, manufacturing, and commissioning leads to ensure the mechanical distribution layer is robust, standardized, and ready for real-world deployment.

Responsibilities

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Requirements

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7+ years of experience in hydronic distribution design for data centers, industrial systems, mission-critical HVAC, or comparable thermal infrastructure

Strong experience owning P&IDs, valve strategies, and instrumentation design

Practical field knowledge of commissioning, startup, and serviceability constraints

Experience with glycol-based cooling systems such as PG25 or equivalent

Strong understanding of pipe sizing, flow management, pressure drop, balancing, and measurement strategies

Proven ability to maintain documentation discipline, revision control, and interface clarity

Strong cross-functional collaboration skills across mechanical, controls, manufacturing, and field teams

Nice to Have

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Experience with liquid-to-liquid and liquid-to-air cooling systems for high-density compute or AI/HPC environments

Familiarity with modular or prefabricated infrastructure systems

Understanding and experience in AFT Fathom, Pipeflo and CFD Products

CAD or BIM fluency sufficient for 3D coordination, clash avoidance, and clearance validation

PE license in Mechanical Engineering, or equivalent depth of experience

What We Offer

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✓Tier 1 (e.g., SF Bay Area, NYC, Seattle): $157,600 – $197,000

✓Tier 2 (most U.S. metro areas): $137,040 – $171,300

What We Offer

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✓Competitive base salary and equity

✓Medical, dental, and vision (subsidized cost)

✓Health savings accounts (HSA), flexible spending accounts (FSA), and dependent care FSAs (DCFSA)

✓Retirement plan options, including 401(k) and Roth 401(k)

✓Unlimited paid time off (PTO)

✓14 paid company holidays per year

A go-getter with a growth mindset. You're intellectually curious, have strong business acumen, and actively seek opportunities to build relevant skills and knowledge
A detail-oriented problem-solver. You can independently gather information, solve problems efficiently, and deliver results with a "get-it-done" attitude
Thrive in a fast-paced environment. You're energized by an entrepreneurial spirit, capable of working quickly, and excited to contribute to a growing company
A collaborative team player. You focus on business success and are motivated by team accomplishment vs personal agenda
Highly organized and results-driven. Strong prioritization skills and a dedicated work ethic are essential for you

At Armada, we are committed to fostering a work environment where everyone is given equal opportunities to thrive. As an equal opportunity employer, we strictly prohibit discrimination or harassment based on race, color, gender, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other characteristic protected by law. This policy applies to all employment decisions, including hiring, promotions, and compensation. Our hiring is guided by qualifications, merit, and the business needs at the time.

Armada does not accept unsolicited resumes or candidate submissions from external agencies or recruiters. All candidates must apply directly through our careers page. Any resumes submitted by agencies without a prior signed agreement will be considered unsolicited and Armada will not be obligated to pay any fees.