Office Assistant

Shimmick; Riverside (CA); On-site; USD 28,000 - 36,000; Part time

Job summary

Shimmick, via Axia Electric, is seeking a part-time Office Assistant based in Riverside, CA. This casual role offers approximately 10-20 hours per week to support one or more managers with administrative tasks.

The position requires a High School Diploma or GED and proficiency with Word, Excel, PowerPoint and Outlook, plus the ability to follow directions under supervision. Pre-employment substance abuse testing applies.

Qualifications

• High School Diploma/GED is required.
• Proficiency with MS Office (Word, Excel, PowerPoint, Outlook).
• Ability to schedule meetings and travel arrangements; maintain office supplies.

Responsibilities

• Provides administrative support to one or more managers, including preparing correspondence, forms, spreadsheets, or documents, scheduling meetings, and making travel arrangements.
• Familiar with standard construction concepts, practices, and procedures.
• Relies on experience and judgement to plan and accomplish goals.
• Uses Word, Excel, PowerPoint, Outlook and other programs to accomplish work.
• Works under direct supervision.

Education

High School Diploma/GED

Tools

Word

Excel

PowerPoint

Outlook

Job description

Overview

Shimmick, via our electrical division, Axia Electric, is seeking a highly talented Office Assistant to be based out of Riverside, CA. This is a CASUAL position, working approximately 10-20 hours per week depending on division needs.

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 work 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

The responsibilities of this position include, but are not limited to the following:

• Provides administrative support to one or more managers at the project or the division including some of or all of the following: prepares or proofs correspondence, forms, spreadsheets, or documents, schedules meetings, makes travel arrangements, and/or maintains inventory of office supplies.




• Familiar with standard construction concepts, practices, and procedures.




• Relies on experience and judgment to plan and accomplish goals.




• Uses Word, Excel, PowerPoint, Outlook, and other programs to accomplish work.




• Works under direct supervision.

Qualifications

Minimum Requirements:

• High School Diploma/GED

Additional Information

• Qualified applicants who are offered a position must pass a pre-employment substance abuse test.




• This position does not include sponsorship for United States work authorization.




• The salary range for this position is $20.00 - $26.00 per hour depending on experience.

AN EQUAL OPPORTUNITY EMPLOYER

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Software Powered by ICIMS (https://careers-shimmick.icims.com/jobs/3116/office-assistant/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834441215)

Job Locations

US-CA-Riverside

ID

2026-3116

Category

Administrative/Clerical

Type

Casual