Commissioning Senior Engineer

Join Shimmick, via our subsidiary Axia Electric, as a Commissioning Senior Engineer and play a key role in delivering complex electrical and process control systems for critical infrastructure projects across Southern California.

This position is initially based out of our Axia HQ in Riverside
,
CA and requires traveling to support projects across Southern California.

At Shimmick, we are problem solvers. Creative thinkers. Innovators. We approach each project with fresh ideas and big thinking in pursuit of better answers, better outcomes, and better experiences for our clients. We are resourceful, nimble and resilient. We work hard together and with our clients to deliver high-quality projects that are on time, on budget and beyond expectations.

Axia Electric, LLC

Since the early 1990s, Shimmick has been self-performing electrical scopes for infrastructure projects. In 2025, the Electrical Division rebranded to Axia Electric, a subsidiary to Shimmick Construction. Axia offers electrical, instrumentation, and process controls expertise for water and wastewater treatment; dams and locks; mass transit and rail; alternative energy; power generation and transmission; and commercial building projects. Our ability to self-perform this specialty offers additional value and enables us to better control cost and schedule for projects with major electrical and process mechanical scopes.

Our clients include municipalities, water districts, sanitation districts, transit agencies, private developers, DOTs, and USACE.

Responsibilities: include, but are not limited to the following:

• Technical Leadership & Project Management
  • Provide leadership, direction, and accountability for commissioning engineering activities on assigned projects.
  • Independently interpret, organize, execute, and coordinate complex technical assignments related to system commissioning and startup.
  • Lead the planning, development, and implementation of commissioning strategies for large, complex, or technically challenging projects.
  • Develop innovative solutions to unique commissioning, startup, constructability, and system integration challenges.
  • Serve as the primary technical resource for commissioning matters, exercising independent judgment and decision-making within the field of expertise.
  • Maintain effective communication and coordination with internal project teams, clients, regulatory agencies, equipment vendors, subcontractors, and other project stakeholders.
• Planning, Documentation & Reporting
  • Develop, review, manage, and update project commissioning plans, startup procedures, testing protocols, and commissioning schedules.
  • Review equipment submittals, vendor packages, operation and maintenance manuals, and other technical documentation to verify commissioning readiness.
  • Prepare, maintain, and distribute commissioning deliverables, including test documentation, deficiency logs, turnover packages, commissioning reports, and project closeout documentation.
  • Ensure commissioning activities align with project requirements, design intent, contract specifications, and schedule milestones.
• Commissioning Coordination & Execution
  • Plan, schedule, lead, and oversee field commissioning activities from pre-functional testing through startup and system acceptance.
  • Coordinate commissioning efforts among mechanical, electrical, instrumentation and controls teams, system integrators, vendors, subcontractors, and client representatives.
  • Facilitate commissioning meetings, progress reviews, and issue resolution discussions with project stakeholders.
  • Collaborate with engineering teams to identify and resolve design, constructability, operational, and integration issues impacting commissioning activities.
• Testing, Validation & System Performance
  • Witness, participate in, and document Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), startup activities, and performance testing.
  • Verify systems and equipment operate in accordance with project specifications, functional requirements, and design intent.
  • Coordinate with design and process engineers to validate system functionality, operational readiness, and successful integration of project systems.
  • Evaluate test results, identify deficiencies, recommend corrective actions, and oversee resolution through final system acceptance.
• Compliance, Quality & Safety
  • Ensure all commissioning activities are performed in accordance with project quality requirements, applicable codes, regulatory agency requirements, industry standards, and…