Senior Instrument & Controls Engineer

Senior Instrumentation & Controls (I&C) EngineerThe Opportunity: Glumac, a Tetra Tech Company, is seeking an experienced Senior Instrumentation & Controls (I&C) Engineer to join our engineering team at our Sacramento, CA office. This opportunity is ideal for an experienced engineering professional who enjoys leading complex projects, developing innovative control system solutions, and working collaboratively across multidisciplinary teams. You will play a key role in delivering instrumentation and controls engineering solutions for advanced technology facilities, industrial manufacturing environments, and semiconductor projects. Join a collaborative team focused on technical excellence, innovative engineering solutions, and delivering high-quality projects that support our clients' operational and business objectives. This position follows a hybrid work arrangement, requiring a minimum of two days per week in the office, with the option to work remotely on the remaining days. All candidates must reside in the United States and be legally authorized to work in the U.S.Position Summary: The Senior Instrumentation & Controls (I&C) Engineer will lead the planning, design, development, and execution of instrumentation and control systems for advanced technology and industrial manufacturing projects. This position is responsible for developing engineering specifications, calculations, instrumentation documentation, control system architectures, and design deliverables while providing technical oversight and guidance to engineering designers and project teams. The successful candidate will take ownership of single-discipline and multidisciplinary engineering projects, coordinate with internal and external stakeholders, and provide technical recommendations to ensure control systems meet project requirements, applicable codes, industry standards, and client expectations. The ideal candidate brings extensive experience with industrial automation, programmable logic controllers (PLCs), distributed control systems (DCS), motor controls, and instrumentation design, along with the ability to manage technical deliverables and support complex engineering projects from concept through construction.Essential Job Functions: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, input/output (I/O) lists, control narratives, sequences of operations, logic diagrams, and control system architecture drawings.Design and specify industrial automation and control systems, including programmable logic controllers (PLCs), distributed control systems (DCS), motor controls, industrial communication networks, and associated instrumentation.Evaluate, select, and specify industrial instrumentation, including pressure, flow, level, temperature, analytical devices, manifold valves, and associated measurement and control equipment.Develop and review PLC-based control panel designs in accordance with applicable UL 508A requirements, including panel layouts, wiring diagrams, control schematics, and supporting technical documentation.Provide technical direction to engineering designers in preparing and reviewing piping and instrumentation diagrams (P&IDs), wiring diagrams, instrumentation layouts, and construction documents.Independently lead assigned I&C engineering projects, manage technical deliverables, prepare cost estimates, and coordinate project schedules, budgets, and resources to support successful project execution.Collaborate with mechanical, electrical, process, and other engineering disciplines, as well as clients, contractors, and vendors, to ensure proper system integration and address technical challenges throughout project development.Review engineering calculations, drawings, specifications, and technical documentation for accuracy, completeness, and constructability. Support construction activities through technical submittal reviews, responses to requests for information (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 continuous improvements in design quality, technical standards, and project delivery.Required Qualifications:Bachelor's degree in Electrical Engineering, Controls Engineering, Instrumentation Engineering, or a closely related engineering discipline.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 the 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, programmable logic controllers (PLCs), distributed control systems (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.Demonstrated 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 communicate technical concepts and recommendations to clients, project teams, and other stakeholders.Ability to manage multiple projects, priorities, and deadlines while maintaining high standards of technical quality.Ability to work on-site a minimum of two days per week in accordance with the company's required hybrid work schedule.Applicants must be currently authorized to work in the United States on a full-time basis; this position is not eligible for current or future employment visa sponsorship.Preferred Qualifications:Previous instrumentation and controls 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 activities.Experience providing technical oversight and mentorship to engineering designers and junior engineers.Demonstrated interest in taking on technically challenging engineering projects and developing innovative solutions.Work Environment / Environmental Factors:Work is performed in a hybrid environment requiring a minimum of two days per week at our Sacramento, CA office, with the flexibility to work remotely on the remaining days.Employees working remotely are expected to maintain a professional workspace with reliable internet connectivity and the ability to securely access company systems and project information.Work is generally performed in a climate-controlled indoor environment with minimal exposure to adverse environmental conditions.Compensation: Salary Range: $170,000-$190,000. The base salary range represents the low and high end of the compensation scale for this role. Actual salaries will be determined based on location, experience, responsibilities, and qualifications. This salary range is just one component of Glumac's total compensation package, which includes benefits, professional development opportunities, and additional incentives.