Contract Jobs in Tustin, California, United States

Seasonal District Sales Manager for Spirit Halloween, leading operations of 3 stores in Tustin, CA. Oversees sales, payroll, recruiting, training, employee relations, expense control, shrink, and store construction, opening, and closing. Requires 2-5 years multi-store supervisory experience, flexible schedule, and ability to stand >8h, walk, climb ladders, set up fixtures, and lift up to 50 lbs.

Business – H at VeSync supports health & wellness product lines by conducting evidence‑based nutrition research and creating nutrition education content. The Registered Dietitian (Temp) conducts literature reviews, develops product briefs, designs meal plans, and presents findings to guide product development and marketing.

Rehab Without Walls Neuro Rehabilitation (an affiliate of BrightSpring Health Services) is expanding its innovative Home and Community Neuro Rehabilitation Program in Tustin, California. The Physical Therapist delivers functional, individualized rehabilitation in homes and community settings, helping clients recovering from brain injuries, stroke, spinal cord injuries, Parkinson's disease, and other neurological conditions reclaim independence.

WOONGJIN INC. is a rapidly growing team providing unique, exceptional, and enhanced services to clients, guided by a moral code of servant leadership. The Logistics Operation Coordinator (AIR & Ocean Operations) in Santa Ana, California, handles hands-on international air and ocean freight coordination, including daily tracking, port/terminal coordination, movement monitoring, partner communication, and compliance.

The Mobile Business Unit at WOONGJIN, Inc. supports the global distribution of company mobile devices with a focus on speed, reliability, and operational efficiency. The Logistics Coordinator (Air & Ocean Operations) plans, executes, and continuously improves inbound and outbound air and ocean freight operations, ensuring shipments move efficiently from manufacturers to company warehouses and ultimately to customers.

The Orange County Registrar of Voters (ROV) is hiring Vote Center Customer Service Representative/Election Representative (Extra Help) for the November 3, 2026 General Election. These temporary/seasonal contract roles involve staffing Vote Center locations across five Orange County regions, processing and assisting voters, issuing ballots, accepting Vote-by-Mail ballots, setting up and taking down election equipment, and performing other election-related tasks.

We’re looking for Brand Representatives to support an exciting new initiative in select markets. This is a supplemental income opportunity as an independent contractor (1099).

Sr. Calibration Technician-II at Integrated Resources, Inc. provides expert calibration and metrology support across manufacturing, cleanroom, and laboratory environments. The role involves scheduling and executing both routine and emergency calibrations, maintaining rigorous documentation, and ensuring compliance with ISO 17025, ANSI/NCSL Z540-1, GMP, and GDP standards.

WOONGJIN, Inc. is seeking a bilingual (English/Korean) Logistics Operations Management professional to lead daily Control Tower operations across drayage, rail, transloading centers, warehouse operations, and OTR transportation. The role involves monitoring shipment movement, analyzing transportation data, managing carrier and logistics partner relationships, and developing KPI dashboards and executive presentations for management and headquarters.

Mobile Business Unit supports global distribution of mobile devices, focusing on speed, reliability, and operational efficiency. The Drayage Logistics Domestic Operator plans, schedules, and monitors air and ocean freight, manages transload warehouse capacity, and dispatches truckload orders while coordinating with logistics partners.

Radiology Department at Integrated Health Holdings prepares operating rooms for surgery and assists patients with technical duties. The Surgical Tech per diem role ensures sterile setup, equipment readiness, and supports surgical teams throughout procedures.

Java Full-Stack Developer (Korean Bilingual) supporting the Cello system through system design and development for various projects and service requests. Day-to-day work includes first-tier system support for daily user operations, monitoring application logs, performing basic administrative tasks, providing emergency support for system issues, coordinating and setting up vendor interfaces using EDI, performing TDD, and continuously improving platform quality through refactoring.

WOONGJIN INC. is a rapidly growing team providing unique, exceptional, and enhanced services to clients, guided by a moral code of service and servant leadership. The Logistics Coordinator (Air & Ocean Operations) plans, executes, and continuously improves inbound and outbound air and ocean freight operations, ensuring shipments move efficiently from manufacturers to company warehouses and ultimately to customers.

WOONGJIN, Inc. provides enhanced services to clients and seeks a Bilingual Inbound Billing and Settlement Staff member in Santa Ana, California. This role manages freight forwarding settlements, processes customer billing, audits carrier bills, and improves automated processes.

This position is a full-time, six-month contract role, tentatively concluding at the end of December 2026. Open availability is required, as work hours may vary and include weekends.

Integrated Health Holdings nursing team provides high‑quality acute and long‑term care across all age groups. The Registered Nurse delivers patient assessments, coordinates treatment plans, and ensures compliance with clinical standards during 12‑hour per‑diem shifts.

SBT Global seeks a Logistics Drayage Management Staff to oversee drayage operations for inbound and outbound shipments. The role involves monitoring arrival notices, ISF data, creating delivery orders, coordinating with carriers, and ensuring timely container movements.

Mobile Business Unit supports global distribution of mobile devices, focusing on speed, reliability, and operational efficiency. The Logistics Operation Coordinator plans, executes, and improves inbound and outbound air and ocean freight operations, handling scheduling, terminal coordination, shipment tracking, and compliance.

SR Business Systems Analyst on USM Business Systems team, delivering complex system enhancements and reporting solutions for enterprise clients. Works on gathering requirements, designing BRDs, developing ad‑hoc reports, and guiding junior analysts in a fast‑paced consulting environment.

Control Tower Operations at SBT Global manages daily logistics across drayage, rail, transloading, warehouse and OTR transportation. The Logistics Operator leads operational monitoring, KPI reporting, carrier performance reviews, and optimization initiatives while coordinating with internal teams and overseas offices.