Senior Plant Engineer – Site Services

Roche

Senior Plant Engineer managing mechanical, electrical, and process infrastructure at Roche. Leading capital projects and ensuring operational efficiency at key facilities in California.

Posted 6/9/2026full-timeDixon • California • 🇺🇸 United StatesSenior💰 $109,500 - $203,300 per yearWebsite

About the role

Key responsibilities & impact

Provide technical expertise and operational support for mechanical, electrical, and process/utilities infrastructure, maximizing system uptime and ensuring equipment reliability.
Maintain engineering documentation, risk/criticality assessments, maintenance strategies, and critical spares, overseeing the full asset lifecycle.
Own the sequence of operations and functional requirements for equipment controlled, monitored, and alarmed by the Building Automation System (BAS).
Act as the principal technical authority and design consultant for mechanical, electrical, and process/utilities infrastructure capital projects, ensuring adherence to operational standards, safety codes (NFPA, ASHRAE, OSHA), and facility design requirements to maximize reliability.
Lead structured Root Cause Analysis (RCA) and Root Cause Failure Analysis (RCFA) for equipment failures and emerging issues, analyzing data from CMMS, BAS, and Historians for continuous improvement.
Ensure reliability and maintainability from design through handover to operations for capital projects, acting as system owner throughout the asset lifecycle.

Requirements

What you’ll need

BA/BS in Mechanical, Chemical, Industrial Engineering, or equivalent technical field.
Minimum 8 years of relevant mechanical, electrical, and process/utilities infrastructure design/operation experience in high-tech, industrial, life sciences, or chemical manufacturing.
Minimum 3 years of experience in a large, multi-functional campus environment.
Proficient knowledge of BAS and CMMS (e.g., SAP, Siemens) and industry standards (ANSI/ASHRAE, NEMA, NFPA, EPA, OSHA).
Proven experience investigating, troubleshooting, and correcting mechanical, electrical, and process/utilities infrastructure equipment/systems, with demonstrated expertise in optimizing equipment operation for efficiency and reliability.

Benefits

Comp & perks

A discretionary annual bonus may be available based on individual and Company performance.
Health insurance
401(k) matching
Flexible working hours
Paid time off
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

mechanical engineeringelectrical engineeringprocess engineeringRoot Cause Analysis (RCA)Root Cause Failure Analysis (RCFA)equipment reliabilitymaintenance strategiesrisk assessmentssystem uptimeequipment optimization

Soft Skills

technical expertiseoperational supportleadershipconsultingdata analysisproblem-solvingcommunicationcollaborationproject managementcritical thinking

Certifications

BA/BS in Mechanical EngineeringBA/BS in Chemical EngineeringBA/BS in Industrial EngineeringANSI/ASHRAE standardsNEMA standardsNFPA standardsEPA standardsOSHA standards