Armada - Mechanical Engineer
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Requirements
• 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 • 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
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
Benefits
• 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). • this role will also be offered equity and subsidized benefits • 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 1 (e.g., SF Bay Area, NYC, Seattle): • Tier 2 (most U.S. metro areas): $137,040 – $171,300 • Tier 2 (most U.S. metro areas): • Tier 3 (other cities): $130,188 – $162,735 • Tier 3 (other cities): • Final compensation will be determined by experience, scope, and level, and may vary from the posted range. • 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 • $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
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