Part-time Jobs in Wilmington, California, United States

Marathon Petroleum invites students to join as Intern/Co‑op Refining Mechanical Engineers for spring 2027. The role immerses candidates in refinery operations, exposing them to industry codes, project management, and reliability engineering.

Cook at Denny’s prepares and serves food, ensuring guest satisfaction and maintaining a clean, sanitary environment. Responsibilities include following set recipes, honoring special guest requests, correctly calling the wheel, and presenting dishes on attractive plates.

Controller's Organization at Marathon Petroleum develops future accountants through hands‑on training across audit, tax, and general accounting functions. Interns analyze business documents, prepare journal entries, reconcile ledgers, and support SOX testing while collaborating with multiple business units.

Cambrian Homecare provides skilled one‑on‑one care to children and adults with developmental disabilities. The LVN delivers respite care, medication administration, g‑tube and trach care, and monitors vital signs and client wellbeing.

As a Security Guard Armed Part Time Patrol in Wilmington, CA , you will serve and safeguard clients in a range of industries. Join a leading team where flexibility meets opportunity.

Come join our family and become a Pizza GENIUS! Join the Little Caesars® Pizza!Pizza!® Family Do you like pizza ?

ACE Cash Express Store Team builds customer-focused financial services. The Sales Associate greets customers, recommends ACE products, handles cash and transactions, and ensures compliance while traveling between nearby stores as needed.

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

Marathon Petroleum invites motivated students to join as Electrical Engineering interns or co‑ops at multiple refinery sites across the United States. The role offers hands‑on exposure to refinery operations, electrical and instrumentation projects, and reliability work.

Life doesn’t always follow a fixed schedule. That’s why we created the Security Officer – Part Time Enhanced position: a flexible, dependable option for individuals looking to supplement their income, gain hands-on experience, or work toward a full-time career with the industry leader.

Denny’s is hiring Dishwashers/Service Assistants to support daily operations. Responsibilities include maintaining dishroom, cleaning dishware, bussing tables, delivering trays, organizing back‑of‑house areas, cleaning floors, removing garbage, and servicing restrooms.

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 the security of all inventory and currency to avoid theft and shrinkage.

As a Security Officer Part Time TWIC Credential Intake in Wilmington, CA , you will serve and safeguard clients in a range of industries such as Logistics & Distribution, and more. Join a leading team where flexibility meets opportunity.

As a Chemical Engineer at a Marathon refinery, you will become familiar with process equipment fundamentals and best practices while building critical thinking skills and understanding how engineering disciplines work together. Most Chemical Engineering interns/co-ops work in the Technical Services Department as Process / Technical Service Engineers, developing and leading test runs to optimize refinery operations, performing process engineering calculations, monitoring catalyst and adsorbents,

Tutor Me Education is revolutionizing student learning by offering in‑home tutoring for middle‑school students with special needs. The tutor provides bilingual instruction in math, literacy, science and social studies, using visual supports and individualized strategies aligned with each student’s IEP. Wilmington, California, on‑site, 1 hr 30 min weekly, flexible schedule.