Senior Instrumentation & Controls Engineer

Market Water

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

We share a common purpose – to make the world more connected and sustainable. And we’re excited about the innovative ways we can change the world. If you are also interested in turning abstract ideas into realities that transform the world for good, then Jacobs is where you belong. We are looking for a passionate and dedicated Instrumentation & Control Systems (I&CS) Design Engineer.

As part of our California team, you’ll have the chance to work on projects that bring innovative solutions to our municipal clients’ water challenges locally and worldwide. You’ll get to work with a company that has been ranked #1 globally by Engineering News Record (ENR) in water/wastewater treatment and conveyance for decades. In 2022, ENR ranked Jacobs #1 again in its list of Top 500 Engineering Design Firms in the world for a fifth consecutive year. You’ll get to work with our world-class Instrumentation and Control Systems team dedicated to protecting the most valuable asset in the world, water. You’ll get to work on projects on every aspect from design through onsite startup work. You will enjoy having the deepest technical resources in the industry to support you, access to international work, and Design-Build projects. Using your experience, you'll lead the development of Process & Instrumentation Drawings (P&IDs), control narratives, specifications, network drawings, panel drawings, and instrument selection. You’ll coordinate with other engineering disciplines for a cohesive design. You’ll also contribute to the development and growth of people (e.g. mentoring junior engineers) both domestically and globally. You’ll be able to develop control system software in Programmable Logic Controllers and Human Machine Interfaces and perform facility startups and commissioning activities. As well, you will be able to review constructions submittals, conduct site evaluations, make recommendations for control system upgrades, and communicate with clients and management.

Here's what you'll need

• Bachelor’s Degree in Electrical Engineering, Chemical Engineering, or related discipline from an accredited university or college
• Ability to obtain a PE within one year
• Minimum of 15 years of experience:
• I&C Systems Integration design experience
• Process & Instrumentation Diagram (P&ID) development
• I/O list development
• Instrumentation selection
• Control panel layout and wiring
• Detailed loop wiring diagrams
• PLC equipment list development Knowledge of DCS systemsUnderstanding of IT/OT best practices (NIST-800, ISA/IEC 62443 OT)Experience with industrial networks (Modbus, EthernetIP, HART, Foundation Fieldbus, etc.)
• Ability to mentor, train, and delegate work to others domestically and abroad
• Ability to work outside normal work hours at times to coordinate with global team members
• Proficiency with Microsoft Office Suite

Ideally, you’ll also have:

• Water infrastructure Instrumentation & Controls Systems design experience
• Experience with PLCs and HMI programming software
• Experience developing scope, fee, and schedule for I&C and Control System projects.

Posted Salary Range: Minimum 110,600.00 Posted Salary Range: Upper 209,000.00

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full-time salaried/exempt employees, seven paid holidays, one floating holiday, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $110,600.00 to $209,000.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on October 29, 2025. This position will be open for at least 3 days.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via .