Mechanical Commissioning Internship - Full Time

LotusWorks • Sunnyvale, CA

5d

About The Position

LotusWorks is an engineering services provider that supports commissioning, construction services, calibration, operations, and maintenance at global manufacturing facilities. The company works across EMEA and North America with manufacturers in the semiconductor, pharmaceutical and biologics, medical device, and data center sectors. This internship offers practical experience working with an experienced engineering and technical team in a diverse, inclusive workplace.

This is a full-time internship during the academic school year, with a Monday–Friday schedule from 7:00 AM to 4:00 PM, including a one-hour lunch break. It is intended for recent graduates or individuals not currently enrolled in classes; it is not a summer program or a part-time opportunity.

The intern will support the mechanical commissioning team under the direction of senior technicians. Work includes learning commissioning processes and procedures, assisting with inspections and testing of mechanical equipment and utility systems, recording and documenting system data, participating in safety activities, and developing mechanical commissioning skills through training and mentorship. The position requires following established job plans, site safety procedures, and LotusWorks’ standards of Safety, Quality, and Reliability.

Requirements

• Familiarity with HVAC, chilled water, compressed air, pumps, valves, and process utility systems.
• Strong mechanical aptitude and willingness to learn advanced commissioning techniques.
• Basic understanding of commissioning software tools such as Smart Completions or similar.
• Knowledge of safety procedures, including LOTO, confined space entry, and chemical handling; training is provided.
• Excellent attention to detail, documentation, and teamwork skills.
• Strong communication skills and ability to follow directions in a team environment.
• Ability to work in a fast-paced, mission-critical facility.
• Intended for recent graduates or individuals who are not currently enrolled in classes and can meet the full-time weekday schedule.
• Proof of education, licenses, or certifications is required where applicable.

Nice To Haves

• Bachelor’s degree in Mechanical Engineering preferred.
• Technical certificate, associate’s degree, or training in Mechanical, HVAC, or chilled water preferred.

Responsibilities

• Learn and understand ASHRAE commissioning guidelines and the L1 through L5 process.
• Support the mechanical commissioning team in reviewing, verifying, and testing HVAC, pumps, compressors, heat exchangers, chillers, and process utilities under senior technicians’ direction.
• Review installation and operational acceptance testing activities before functional acceptance testing, following established job plans and safety procedures.
• Participate in daily walks and visually inspect equipment for installation, specification and design compliance, witnessing requirements, and other project requirements.
• Learn to review drawings and design information, and review commissioning software for document completion and submitted reports before testing begins.
• Support commissioning meetings with daily system progress updates.
• Observe pump, valve, and piping maintenance, including gasket replacement, leak checks, and mechanical seal inspections.
• Participate in equipment startup and shutdown procedures and learn system interdependencies and safe design limits.
• Assist with HVAC system testing, including air-handler automatic controls, VFD and fan checks, instrumentation checks, and airflow, temperature, and humidity control.
• Learn and support monitoring of chilled water, compressed air, and process cooling water systems, recording temperatures, pressures, and flow readings.
• Support technicians with mechanical troubleshooting and learn to identify abnormal system behavior and perform diagnostic checks under guidance.
• Learn to interpret mechanical drawings, P&IDs, and equipment schematics, including how systems interconnect and control flow.
• Document work activities, readings, and notes in commissioning software such as Smart Completions, Procore, and Smart Sheets.
• Participate in safety meetings, toolbox talks, and job hazard analyses, and learn site-specific protocols including LOTO, confined space, and chemical safety.
• Maintain clean and organized work areas and meet housekeeping standards after testing activities.
• Learn fundamentals of system balancing, flow control, and pressure management in building and process utility systems.
• Assist with system performance verification and equipment testing, collecting operational data for engineering or reliability analysis.
• Observe senior technicians during root-cause investigations or taskforce activities and learn structured troubleshooting and reporting methods.
• Support development and updating of mechanical job plans, checklists, and documentation under supervision.
• Ask questions, engage with mentors, and actively seek to understand system functionality and testing.
• Follow Environmental, Health, and Safety requirements and immediately report unsafe conditions, leaks, or equipment abnormalities.
• Participate in intern training and mentorship sessions and complete assigned learning modules and field demonstrations.
• Demonstrate professionalism, attention to detail, and teamwork consistent with LotusWorks’ Safety, Quality, and Reliability culture.
• Perform other duties or responsibilities assigned in the role.

What This Job Offers

• Job Type: Full-time
• Career Level: Intern
• Education Level: No Education Listed