Full-time Jobs in Wilmington, California, United States

Marathon Petroleum Company LP (MPC) seeks a Process Engineer 1 to optimize process performance, yield, energy efficiency, and reliability across its refining operations. The role involves monitoring processes, supporting operations/engineering/maintenance collaboration, participating in hazard evaluations and PHAs, assisting turnaround execution, maintaining process documentation, and engaging in technology advisory groups.

Harbor Rail Services, a leading railcar maintenance and repair provider with 40 years in the railroad business, seeks a Pre-Trip worker at its Wilmington, CA location (112 WILMINGTON). The role conducts thorough pre-dispatch inspections of railcars to verify safety protocols, optimal condition, and regulatory compliance, while collaborating with team members to identify and address issues.

Marathon Petroleum Company LP (MPC) offers a Refining Mechanical Engineer Intern/Co-op role across multiple refinery locations in the US. You will work within a refinery team to learn industry codes, understand cross-discipline engineering collaboration, and gain broad plant operations knowledge. Typical assignments include Area Refining/Project Engineer work (scopes, estimates, schedules, design oversight, construction support) or Reliability Engineer work (equipment improvements, root cause fa

Allied Universal is hiring a Security Officer for Refinery in Wilmington, CA, US. The role involves safeguarding clients by carrying out safety and security procedures, site-specific policies, and emergency response activities as needed. Day-to-day duties include providing customer service, responding to incidents in a calm, problem-solving manner, and conducting regular and random patrols around the business and perimeter.

As a Relationship Banker at JPMorgan Chase's Wilmington, CA branch, you will deliver exceptional client experiences by building and retaining meaningful client relationships using the latest banking solutions and financial technology. Day-to-day, you will proactively meet with assigned clients in person and by phone, provide consultative recommendations tailored to their financial needs, educate them on digital tools like the Chase Mobile App and Chase.com, and collaborate with specialists while

Marathon Petroleum Company LP (MPC) seeks a Project Engineer I to support capital and expense projects across its refining and energy operations. The role applies project management skills across development, justification, design, construction, and start-up phases, including preparing cost estimates, schedules, and Decision Support Packages (DSPs) under supervision.

Marathon Petroleum Company LP (MPC) offers an Intern/Co-op position in Refining Electrical Engineering across multiple U.S. refinery locations, including Findlay, Ohio, and others in Texas, Washington, California, and more. Interns work within refinery teams on Electrical & Instrumentation (E&I) projects, reliability troubleshooting, or process control/technical service, gaining exposure to industry codes, project management, and cross-disciplinary engineering.

The Senior/Lead Innovation Advisor serves as VCO's subject matter expert for innovation, experimentation, and emerging capabilities within the Plan-to-Produce process at Marathon Petroleum Company LP. The role provides strategic guidance on innovation opportunities, emerging technologies, and new methods of working, helping leaders identify, prioritize, and evaluate initiatives that improve decision quality, operational performance, and business value. Day-to-day, the advisor builds and manages

Coastal Comprehensive Treatment Center (CTC), part of Acadia Healthcare's Comprehensive Treatment Centers in Wilmington, CA, delivers medication-assisted treatment for Opioid Use Disorder. As a Substance Use Counselor, you provide compassionate individual and group counseling, develop and document treatment plans, conduct assessments, coordinate referrals and aftercare, and perform crisis intervention and case management.

Branch Management team at Wells Fargo drives community banking growth across multiple Southern California locations. The Branch Manager leads sales, coaching, and operational excellence, developing a high‑performing team to deepen customer relationships and meet growth targets.

The Sales Associate at United Pacific works at an assigned store location assisting in facility operations in a safe, customer-focused, and profitable manner. Day-to-day duties include daily cash handling, lighting and fixtures cleaning and maintenance, and ensuring security of inventory and currency to avoid theft and shrinkage.

The Associate OT Engineer role at Marathon Petroleum Company LP (MPC) provides operational and technical support for refinery Operational Technology (OT) server and network environments across multiple refinery locations. Day-to-day work includes performing preventative maintenance and performance tests on operating systems, networks, and hardware; collaborating on root cause analysis and issue resolution with process owners, engineers, and operations; providing basic technical support for hardw

The Marathon Los Angeles Refinery in Carson/Wilmington, California is seeking a Refining Area Inspector to serve as the primary point of contact for fixed equipment integrity issues, including pressure vessels and piping circuits. Day-to-day, the role conducts hands-on field inspections, monitors equipment condition, performs jurisdictional CAL/OSHA inspections, maintains equipment files, develops mechanical integrity work scopes, and partners with engineering and area teams to mitigate mechanic

Marathon Petroleum Company LP (MPC) seeks Construction Management interns/co-ops to join diverse project teams across multiple U.S. refinery and facility locations. Interns participate as integral team members, applying construction management and project controls principles to plan and schedule materials, labor, and equipment; track and analyze costs against budgets; ensure document control compliance; prepare audit trails for major project decisions and risk mitigation; assist with bid prepara

Hazmat Shipping and Receiving team at H.B. Fuller ensures safe, compliant movement of hazardous materials worldwide. The clerk prepares shipping documentation, coordinates domestic and international hazmat shipments, operates forklift, and maintains accurate inventory records.

Marathon Petroleum Company LP (MPC) offers a Summer 2027 Supply Chain Intern/Co-Op across multiple U.S. sites including Findlay, Ohio; Wilmington, California; Catlettsburg, Kentucky; Canonsburg, Pennsylvania; Garyville, Louisiana; Robinson, Illinois; Texas City, Texas; and San Antonio, Texas. Interns are assigned to Commercial Sourcing Advisor, Supply Chain Associate, or Business Analyst capacities, developing procurement, contracts, and materials management knowledge while building supplier and

Los Angeles Refining (LAR) at Marathon Petroleum coordinates complex turnaround projects to keep the refinery operating safely and efficiently. The Senior Turnaround Specialist leads scope development, schedule management, and contractor coordination, ensuring work is planned, executed, and closed out on time and within budget.

Marathon Petroleum Company LP has an opening for a Warehouse Supervisor position at its Wilmington Refinery in Wilmington, California . The Warehouse Supervisor reports to the Refining Warehouse Manager located in Los Angeles, CA. The Warehouse Supervisor is responsible for developing warehousing strategies and coordinating warehouse activities in support of the Los Angeles refinery.

Marathon Petroleum Company LP (MPC) is seeking an Associate Project Controls Specialist to support project cost, schedule, and performance tracking within its refining and petrochemical operations. Based in Wilmington, California, the role involves entering and validating project data, preparing standard reports and charts, updating schedules, tracking invoices and purchase orders, maintaining documentation for audits and change requests, and attending project meetings to capture follow-up actio

Allied Universal is hiring a Security Officer Full Time TWIC Patrol Driver in Wilmington, CA, to safeguard clients at logistics and distribution terminals. As an unarmed patrol officer, you will conduct routine and random patrols, maintain a visible presence, verify credentials, monitor traffic, respond to incidents, and document activities using a computer or tablet.