Instrumentation Jobs in California (NOW HIRING)

1st Shift (6am - 4pm)

We are seeking an experienced Electrical & Instrumentation (E&I) Technician to support the maintenance, troubleshooting, repair, installation, and calibration of electrical and instrumentation systems within a large industrial manufacturing environment. This role is responsible for ensuring the safe and reliable operation of process control equipment, instrumentation, automated valves, motor controls, and electrical distribution systems.

This position is part of a union workforce with a seniority-based shift bidding process every six months. Candidates must be open to working all shifts.

To be considered, candidates must have hands-on experience in all three of the following areas:

• Troubleshooting and repairing industrial electrical systems, motor controls, MCCs, starters, and VFDs.
• Working with electrical systems up to 480V, with medium-voltage experience preferred.
• Reading and interpreting electrical schematics, wiring diagrams, and control drawings.

• Troubleshooting, calibrating, and maintaining pressure, flow, level, and temperature instrumentation.
• Experience with transmitters, sensors, control loops, and process measurement devices.
• Knowledge of 4-20mA signals, HART communication, and calibration equipment.

• Troubleshooting and repairing control valves, actuators, positioners, solenoid valves, and pneumatic systems.
• Experience with valve automation and process control systems.
• Maintaining automated equipment used in manufacturing or process operations.

Candidates without industrial electrical and instrumentation troubleshooting experience will not be considered.

• Troubleshoot and repair electrical, instrumentation, and process control equipment.
• Install, calibrate, maintain, and replace pressure transmitters, flow transmitters, level switches, temperature devices, and related instrumentation.
• Diagnose equipment failures using multimeters, process meters, pressure calibrators, temperature calibrators, and HART communicators.
• Troubleshoot and repair VFDs, motor controls, actuators, sensors, and control valves.
• Perform preventive and corrective maintenance on plant equipment.
• Maintain and troubleshoot electrical systems operating at 480V and 4160V.
• Service pneumatic systems including air actuators, solenoid valves, and pneumatic switches.
• Work with process control equipment, boiler controls, relay logic systems, and instrumentation networks.
• Read and interpret P&IDs, electrical schematics, loop drawings, and technical documentation.
• Complete work orders and maintenance documentation while following established safety procedures.
• Support continuous improvement efforts related to equipment reliability and plant operations.

• 3+ years of experience as an E&I Technician, Instrument Technician, Industrial Electrician, or related industrial maintenance role.
• Experience troubleshooting industrial electrical systems and instrumentation.
• Experience with VFDs, motor controls, pressure transmitters, flow transmitters, level instrumentation, and process controls.
• Knowledge of valve automation, pneumatic systems, and instrumentation calibration.
• Ability to use electrical and instrumentation testing equipment.
• Ability to read and interpret electrical schematics, loop diagrams, and P&IDs.
• Experience working in manufacturing, refinery, chemical, food processing, power generation, utilities, oil & gas, or similar industrial environments.

• Experience with 4160V electrical systems.
• Experience with Rosemount instrumentation and Fisher control valves.
• Knowledge of relay logic and industrial automation systems.
• Experience with boiler controls and compressed air systems.
• Familiarity with HART communication protocols and advanced process control systems.

• Union manufacturing environment.
• Shift assignments are determined through a seniority-based bid process every six months.
• Candidates must be willing and able to work all shifts, including days, afternoons, nights, weekends, holidays, and overtime as needed.
• Initial training may be conducted on day shift before moving into the regular shift rotation.
• Flexibility is required, as future shift assignments may change based on the bidding process.

• Industrial manufacturing facility with indoor and outdoor work areas.
• Exposure to noise, heat, rotating equipment, process operations, and confined spaces.
• Frequent standing, walking, climbing, bending, and lifting required.
• Work is performed in an active production environment where safety is a top priority.

• Competitive union wages
• Consistent year-round work and long-term job stability
• Excellent medical, dental, and vision coverage
• 401(k) retirement savings plan
• Pension program
• Paid vacation and holidays
• Annual wage increases
• Strong union representation
• Opportunities for career growth and advancement

If you have experience troubleshooting industrial electrical systems, process instrumentation, and automated control valves, and are open to working a flexible shift schedule in a union environment, we encourage you to apply.

This is a Permanent position based out of SAN DIEGO, CA.

The pay range for this position is $90729.60 - $90729.60/yr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Need EVP- 401k details pension details bonus details Any other benefits package details

This is a fully onsite position in SAN DIEGO,CA.

This position is anticipated to close on Sep 12, 2026.

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.