Senior Instrument & Controls Engineer

Tetra Tech•Folsom, CA

2d•$170,000 - $1,900,000•Hybrid

About The Position

Glumac, a Tetra Tech Company, is seeking a Senior Instrumentation & Controls (I&C) Engineer for its Sacramento, California office. The engineer will lead planning, design, development, and execution of instrumentation and control systems for advanced technology, semiconductor, and industrial manufacturing projects. The role includes developing engineering specifications, calculations, instrumentation documentation, control system architectures, and design deliverables, while providing technical oversight and guidance to designers and project teams. The successful candidate will take ownership of single-discipline and multidisciplinary projects, coordinate with internal and external stakeholders, and provide technical recommendations to ensure systems meet project requirements, applicable codes, industry standards, and client expectations. The work spans complex engineering projects from concept through construction and includes industrial automation, PLCs, DCS, motor controls, and instrumentation design. This is a hybrid position requiring at least two days per week in the Sacramento office, with remote work available on the remaining days. Employees working remotely are expected to maintain a professional workspace, reliable internet access, and secure access to company systems and project information. Work is generally performed indoors in a climate-controlled environment with minimal exposure to adverse conditions. Candidates must reside in the United States and be authorized to work there on a full-time basis; the position is not eligible for current or future employment visa sponsorship. The stated salary range is $170,000–$190,000 (the posting lists the upper figure as “$190,0000”). Actual compensation depends on location, experience, responsibilities, and qualifications. The compensation package also includes benefits, professional development opportunities, and additional incentives.

Requirements

Bachelor’s degree in Electrical Engineering, Controls Engineering, Instrumentation Engineering, or a closely related engineering discipline.
At least 10 years of professional experience in instrumentation and controls engineering, industrial automation, or a related engineering discipline.
Active Professional Engineer (PE) license in California or another U.S. jurisdiction, or ability to obtain licensure within 1–2 years of employment.
Demonstrated experience designing instrumentation and control systems for industrial manufacturing, advanced technology, or similarly complex facilities.
Strong technical knowledge of industrial control systems, PLCs, DCS, and motor control systems.
Experience developing instrumentation specifications, calculations, control system architectures, instrument indexes, I/O lists, sequences of operations, and logic diagrams.
Experience reviewing and coordinating P&IDs, wiring diagrams, control schematics, and other engineering design documentation.
Working knowledge of analog and digital signals, pneumatic actuation, wireless instrumentation networks, HART communication protocols, and industrial Ethernet.
Experience selecting and specifying industrial instrumentation, including pressure, flow, level, temperature, and analytical measurement devices.
Knowledge of PLC-based control panel design and applicable UL 508A requirements.
Ability to independently manage engineering responsibilities and provide technical leadership on single-discipline and multidisciplinary projects.
Strong analytical, problem-solving, organizational, and project coordination skills.
Excellent written and verbal communication skills, including the ability to explain technical concepts and recommendations to clients, project teams, and stakeholders.
Ability to manage multiple projects, priorities, and deadlines while maintaining high technical quality.
Ability to work on-site at least two days per week under the required hybrid schedule.
Must be currently authorized to work in the United States on a full-time basis; employment visa sponsorship is not available.

Nice To Haves

Previous I&C engineering experience supporting semiconductor manufacturing facilities or other advanced technology projects.
Experience with complex industrial automation systems, process controls, and facility-wide control system integration.
Familiarity with AutoCAD, Revit, and other engineering design or documentation software.
Experience supporting construction administration, equipment startup, system testing, and commissioning.
Experience providing technical oversight and mentorship to engineering designers and junior engineers.
Interest in taking on technically challenging engineering projects and developing innovative solutions.

Responsibilities

Lead the design and engineering of instrumentation and control systems for advanced technology, semiconductor, and industrial manufacturing facilities, ensuring compliance with applicable codes, standards, and project requirements.
Develop, review, and oversee engineering specifications, calculations, instrumentation datasheets, instrument indexes, I/O lists, control narratives, sequences of operations, logic diagrams, and control system architecture drawings.
Design and specify industrial automation and control systems, including PLCs, DCS, motor controls, industrial communication networks, and associated instrumentation.
Evaluate, select, and specify industrial instrumentation and associated measurement and control equipment, including pressure, flow, level, temperature, analytical devices, and manifold valves.
Develop and review PLC-based control panel designs in accordance with applicable UL 508A requirements, including panel layouts, wiring diagrams, control schematics, and supporting documentation.
Provide technical direction to engineering designers preparing and reviewing P&IDs, wiring diagrams, instrumentation layouts, and construction documents.
Independently lead assigned I&C engineering projects, manage technical deliverables, prepare cost estimates, and coordinate schedules, budgets, and resources.
Coordinate with mechanical, electrical, process, and other engineering disciplines, as well as clients, contractors, and vendors, to support system integration and resolve technical challenges.
Review engineering calculations, drawings, specifications, and technical documentation for accuracy, completeness, and constructability.
Support construction through technical submittal reviews, responses to RFIs, and resolution of field-related engineering issues.
Provide technical guidance and mentorship to junior engineers and designers, promote engineering best practices, and contribute to improvements in design quality, technical standards, and project delivery.