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Armada

Mechanical Engineer - Hydronics

This role is remote. What You'll Do (Key Responsibilities) Hydronic Architecture Ownership * Own the hydronic distribution architecture across: * Primary water/PG25 loop * Secondary water/PG25 loop

NANA Regional Corp

Remote Journeyman Plumber The Remote Journeyman Plumber maintains, troubleshoots, repairs, installs, remodels, or constructs industrial plumbing systems, various piping systems, hydronic heating ...

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What is the difference between Remote Hydronic vs Hydronic Installer?

AspectRemote HydronicHydronic Installer
CertificationsHVAC certifications, plumbing licensesHVAC certifications, plumbing licenses
Work EnvironmentRemote consultations, design, troubleshootingOn-site installation, system setup
Industry UsageDesign, consulting, remote supportInstallation, maintenance, repair

Remote Hydronic professionals focus on designing, consulting, and troubleshooting hydronic systems remotely, often providing support via phone or online. Hydronic Installers perform on-site installation and maintenance of hydronic heating systems. While both roles require similar certifications and industry knowledge, Remote Hydronic emphasizes remote work and system planning, whereas Hydronic Installers are hands-on technicians working directly with equipment.

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Infographic showing various Remote Hydronic job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% Remote job distribution.
Mechanical Engineer - Hydronics

Mechanical Engineer - Hydronics

Armada

Remote

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 11 days ago

Job description

About the Company
Armada is the hyperscaler for the edge, delivering modular AI infrastructure from first deployment to AI factory with speed, scale and sovereignty. Named one of Fast Company's Most Innovative Companies and to the CNBC Disruptor 50, Armada's solutions are deployed in over 60 countries globally for organizations ranging from energy to defense.
With nearly half a billion dollars in funding, Armada is backed by top investors such as Microsoft (M12), Founders Fund, and BlackRock, and has collaborations and partnerships including NVIDIA, Palantir and Dell Technologies. 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.
Location. This role is remote.
What You'll Do (Key Responsibilities)
Hydronic Architecture Ownership
  • Own the hydronic distribution architecture across:
  • Primary water/PG25 loop
  • Secondary water/PG25 loop
  • Define and standardize system design rules for flow, pressure drop, balancing, and measurement
  • Establish practical design approaches for PG25 and water-based systems, including pipe sizing, fluid behavior, and maintainability considerations
  • Support system-level alignment between plant, distribution, and rack cooling interfaces

Distribution Design and Interface Control
  • Own distribution P&IDs, valve schedules, and instrumentation schedules
  • Maintain revision discipline, tagging standards, and interface clarity across the mechanical distribution package
  • Define boundaries and interfaces between plant equipment, CDUs, rack cooling components, and module-to-module interconnects
  • Develop and maintain interface control documentation for hydronic system boundaries

Commissioning-First Design
  • Design for startup, commissioning, and long-term operation
  • Define fill, flush, vent, drain, isolation, bypass, and strainer strategies
  • Establish measurement points for flow, differential pressure, and temperature
  • Partner with commissioning and controls teams to define what must be measured, how it will be measured, and what acceptable startup performance looks like

Pipe Sizing and Pressure Drop Management
  • Own pipe sizing methodology and pressure drop strategy for both PG25 and water loops
  • Define practical approaches to balancing and instrumentation placement
  • Ensure real-world field performance aligns with design intent
  • Help establish repeatable standards for distribution performance across product variants

Layout, Serviceability, and Buildability
  • Own mechanical distribution layout packages and service clearance requirements
  • Ensure systems are designed for safe access, maintenance, replacement, and long-term serviceability
  • Support design for manufacturing by standardizing routing approaches, fittings strategy, tolerances, and assembly expectations
  • Help define clear factory-built versus field-installed scope boundaries

Modular Interconnect Strategy
  • Define standard module interconnect approaches, including manifolds, quick connects, labeling, boundary isolation, and leak detection interfaces as applicable
  • Ensure interconnect designs support rapid deployment while preserving reliability and maintainability
  • Drive consistency across builds to reduce site variability and improve product repeatability

Cross-Functional Integration
  • Partner with mechanical plant, thermal, electrical, controls, manufacturing, and commissioning teams
  • Coordinate system interfaces without losing baseline discipline
  • Work with OEMs and fabricators while maintaining ownership of the internal distribution architecture and standards
  • Support factory builds, field feedback collection, and lessons-learned incorporation into future revisions

Required Qualifications
  • 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

Preferred Experience and Skills
  • 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

Compensation
For U.S. Based candidates: To ensure fairness and transparency, the starting base salary range for this role for candidates in the U.S. are listed below, varying based on location experience, skills, and qualifications.
In addition to base salary, this role will also be offered equity and subsidized benefits (details available upon request).
We use a geographic pay structure based on cost-of-labor markets.
  • Tier 1 (e.g., SF Bay Area, NYC, Seattle): $157,600 - $197,000
  • Tier 2 (most U.S. metro areas): $137,040 - $171,300
  • Tier 3 (other cities): $130,188 - $162,735

Final compensation will be determined by experience, scope, and level, and may vary from the posted range.
Benefits
  • 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

#LI-AB1
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Compensation
$137,040-$171,300 USD
You're a Great Fit if You're
  • 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

Equal Opportunity Statement
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.
Unsolicited Resumes and Candidates
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.

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