Senior Controls Engineer – PLC/DCS/SCADA

GAS GLOBAL SERVICES; Fremont (CA); On-site; USD 117,000 - 158,000; Full time

Job summary

GAS Energy Staffing LLC is sourcing a Senior Controls Engineer for a client project in Fremont, CA. The role focuses on PLC/DCS/SCADA design, programming, startup, and troubleshooting for automated industrial systems in chemical plants.

You will lead hardware/software configuration, participate in design reviews, and ensure safe operation of control systems within hazardous environments. A strong background in SI and NEC codes is required.

Qualifications

• 10+ years of PLC/DCS experience in chemical plant design and operation.
• Experience with SILs and LOPA for safety integrity.
• Knowledge of UL/NEC codes for hazardous materials handling.
• Experience with instrument engineering and electrical schematics.

Responsibilities

• Drive a culture of Do It Safe, Do It Right the First Time through daily actions.
• Develop and support plant control system hardware, software, and field instrumentation.
• Troubleshoot control systems and implement corrective actions independently.
• Participate in design reviews and PHAs as required.
• Configure and program PLC, DCS, and SCADA systems for plants.
• Work with hazardous chemicals in a manufacturing facility.
• Assist with design basis, PFDs, P&IDs, specs, and interlock matrices.

Skills

PLC programming

DCS programming

SCADA

Process automation

Electrical schematics

Industrial networks

Safety compliance

Rockwell ControlLogix

Siemens TIA Portal

UL/NEC codes

Education

Bachelor's in Engineering

Tools

AVEVA InTouch HMI

AVEVA System Platform

Emerson Proficy HMIs

Siemens TIA Portal

Job description

Senior Controls Engineer - PLC/DCS/SCADA

JOB-10047436

Anticipated Start Date

September 9, 2026

Location

Fremont, CA

Type of Employment

Contract

Employer Info

Our client is a world leader in gases, technologies, and services used in many industries and for Health purposes. Oxygen, nitrogen, and hydrogen are essential small molecules for life, matter, and energy. With safety as their priority, training will be provided for all employees to ensure the job is done properly. This client also hires many of their full-time employees through temporary agencies, so many of our roles are temp-to-hire. This gives our candidates and the client an opportunity to ensure that this will be a good fit for a full-time role with their company. All roles have an opportunity for career advancement once full-time with our client and provide excellent benefits to their full-time employees.

Job Summary

The Senior Controls Engineer will be responsible for independently applying engineering principles to all aspects of the design, programming, installation, startup, and troubleshooting of automated industrial control systems. The Engineer will have deep and broad expertise in process automation for chemical plants using DCS, PLC, SCADA, and other control systems.

Job Description

• Drive a culture of "Do It Safe, Do It Right the First Time" through daily actions and communication
• Develop, implement, and support plant control system hardware, software, and field instrumentation in an efficient and safe manner
• Troubleshoot control system hardware and software and implement corrective actions independently
• Actively participate in Design Reviews and PHAs as a team member or leader
• Configure and program PLC (Programmable Logic Controller), DCS (Distributed Control System), and SCADA (Supervisory Control and Data Acquisition) control systems
• Work with highly hazardous chemicals at a manufacturing facility
• Establish engineering design basis and assist with design documentation, including PFDs, P&IDs, equipment and instrument specification sheets, process packages, MOCs, interlock matrices, and functional design specifications, for both new and existing facilities while following department standards
• Assist with loop tests and interlock tests for new processes and yearly ISO testing for calibration and interlock checks
• Successfully complete all assigned training and tasks
• Understand electrical distribution and power loading in industrial control systems

Skills Required

• 10+ years of relevant experience, including PLC/DCS programming for chemical plant design and operation, as well as process data collection and distribution for wider corporate use
• Working knowledge of Layers of Protection Analysis (LOPA) and experience designing and implementing systems with appropriate Safety Integrity Levels (SILs)
• Experience in the manufacture or use of ultrahigh-purity materials supplied to the semiconductor industry is preferred
• Knowledge and experience of instrument engineering
• Knowledge of applicable codes and standards for process control hardware and software, such as UL listing and NEC, as applied to hazardous materials handling and manufacturing
• Experience with Siemens automation systems hardware and TIA Portal software
• Experience with Rockwell ControlLogix/CompactLogix hardware and software
• Experience with Emerson Proficy HMIs
• Ability to develop and interpret electrical schematics
• Experience developing and deploying Ethernet-based industrial networks

Preferred Qualifications:

• Experience with AVEVA InTouch HMI and Historian
• Experience with AVEVA System Platform
• Experience in a rapid-growth environment
• Trained in standard procedures for safe gas and chemical handling
• Chemical plant operation experience strongly preferred
• Strong organizational and planning skills with the ability to multitask
• Team player with leadership abilities
• Self-starter with the ability to perform well under pressure and continuously changing priorities
• Problem-solving and decision-making skills
• Excellent verbal and written communication skills

Education/Training/Certifications

• Bachelor's degree in Chemical, Mechanical, or Electrical Engineering, or equivalent

Additional Requirements

• Must be able to pass a drug screening and criminal background check
• Valid employment authorization in the U.S.

Pay Rate/Salary

• $100.00/hr. Actual compensation is subject to variation due to such factors as education, experience, skillset, and/or location

GAS Energy Staffing LLC is an Equal Opportunity Employer. Employment Decision are made without regard to race, color, religion, sex, sexual orientation, age, national origin, disability, protected veteran status, gender identity or any other factors protected by applicable federal, state or local laws.