Exyte · 12 hours ago
Principal Engineer Mechanical
Phoenix, AZ
Full-time
Onsite
Lead/Staff
12+ years expExyte is a company specializing in mission-critical environments, and they are seeking a Principal Mechanical Engineer to serve as the senior-most technical authority for mechanical utility systems. The role involves providing expertise in design, reliability engineering, and system modeling to ensure optimal performance of HVAC and other mechanical systems in semiconductor fabs and data centers.
Civil Engineering
Responsibilities
Serve as the company-wide SME for all mechanical and HVAC systems:
Cleanroom HVAC and environmental control (temperature/RH, pressurization, recirculation); Data center cooling (CRAC/CRAH, CW loops, DX, evaporative, adiabatic, direct-to-chip, rear door HX); Exhaust and Abatement Systems; Chilled water, hot water, boilers, heat exchangers, cooling towers, pumps, and hydronic systems
Maintain global engineering standards, specifications, design criteria, and commissioning requirements for mechanical systems
Lead complex failure mode analysis, sequence-of-operations reviews, airflow modeling, and energy optimization projects
Assess new technologies (liquid cooling, high-density GPU cooling, exhaust filtration advancements, energy recovery, advanced controls)
Develop mechanical reliability strategies for fabs, data centers, and critical environments
Conduct root cause analyses for HVAC failures, exhaust issues, abatement upsets, and cooling interruptions
Support risk assessments, system-level reliability modeling, and redundancy strategy (N, N+1, 2N)
Develop an Audit program to ensure all sites are in compliance with the program
Provide Tier-3 engineering support to global site operations for mechanical system troubleshooting
Guide teams through subfab exhaust imbalance issues, abatement failures, airflow drops, or extreme RH/temperature deviations
Support emergency response during cooling failures, CRAC/CRAH outages, pump trips, or exhaust system alarms
Approve major mechanical switching plans, system isolations, hot work, and return-to-service procedures
Evaluate PM programs, testing protocols, and system lifecycle planning for mechanical utilities
Develop training programs and technical modules for mechanical systems, including:
HVAC fundamentals, Exhaust/abatement fundamentals, Cleanroom environmental stability, Data center thermal management & Reliability-based maintenance
Mentor engineers and technicians to build mechanical engineering competency across all regions
Document lessons learned, best-known methods (BKMs), and failure mode libraries
Collaborate with the AI Engineer in the creation of internal digital tools, applications, and automation solutions for mechanical system monitoring and optimization
Act as the technical expert in client discussions related to mechanical systems, reliability strategy, and service scope
Develop technical content for proposals, pricing models, SOWs, and solution design in support of business development
Participate in client workshops, site walks, and technical presentations for new business pursuits
Provide engineering analyses that support cost-saving strategies, energy efficiency improvements, and client investment planning
Qualification
Required
Bachelor's degree in Mechanical Engineering (or related field)
12+ years of experience with mechanical utilities in mission-critical environments (semiconductor, data center, pharma, aerospace, or advanced manufacturing)
Expert knowledge of at least 1: Semiconductor subfab systems: process exhaust, toxic/acid exhaust, abatement, VOC control
Expert knowledge of at least 1: Data center cooling and thermal management strategies
Expert knowledge of at least 1: Cleanroom environmental requirements (temp/humidity/pressurization)
Expert knowledge of at least 1: Chilled water, hot water, boilers, hydronics, pumps, and HVAC controls
Strong fluency with airflow modeling, psychrometrics, energy modeling, and system performance analysis
Experience with BMS/SCADA systems, airflow balancing, commissioning, and continuous monitoring tools
Strong communication skills with both technical and executive audiences
Ability to travel 30–40% as needed to support global sites
Professional Engineering license (PE or international equivalent)
Experience with computational fluid dynamics (CFD) tools or thermal modeling software
Background in mechanical operations within semiconductor fabs or hyperscale data centers
Experience developing digital monitoring tools, predictive models, or automated control strategies
Technical Depth: Mastery of HVAC, exhaust, and abatement systems in mission-critical settings
System-Level Thinking: Ability to model, diagnose, and optimize complex mechanical interactions
Reliability Engineering: Strong understanding of failure modes, risk reduction, and redundancy planning
Leadership & Influence: Coaches teams, sets standards, and elevates organizational capability
Communication: Clear, concise, and effective across all stakeholder levels
Sales Support: Able to translate technical expertise into compelling client-facing solutions
Company
Exyte
Exyte is in design, engineering and delivery of facilities for high-tech industries
10001+ employees
H1B Sponsorship
Exyte has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (10)
2024 (5)
2023 (5)
2022 (2)
2021 (1)
Funding
Current Stage
Late StageTotal Funding
unknownKey Investors
BDT & MSD Partners
2022-11-16Private Equity
Leadership Team
Isaac Fabela
Talent Acquisition Partner
Kimberly Cruise - SPHR
Senior HR Business Partner
Recent News
2025-11-25
Company data provided by crunchbase