Project Assistant

La Mirada, CA, United StatesPosted Oct 29, 2026

Job description

Join our Team! Our employees are thriving both inside and outside of the office. We are growing faster than ever and it’s not because of what we do, but how we do it. It’s simple, our employees are our greatest asset. We value them and give them every reason to stay happy and motivated. We perform at high levels, fueled by an eclectic team.

We boast a fun, energizing workplace with an emphasis on innovation, teamwork, quality work, and customer satisfaction.

COMPENSATION

Medical, Dental & Vision Coverage 401 K Program with Matching $100K Life Insurance Accelerated Growth Opportunities Access to the Largest Construction Projects Nationwide Offices A competitive and Rewarding Environment A Diverse and Inclusive Workplace Robust Internal Training Portal Pet Insurance! YOUR CAREER STARTS HERE!

ABOUT US

Tomarco Contractor Specialties LLP, (dba ISAT Total Support) is a pioneer in MEP subcontractor services, blending engineering expertise, manufacturing experience, and wholesale distribution. Since 1977, our commitment to innovation has led to cost reduction, faster installation, and a safer working environment for projects of all sizes worldwide.

Our dynamic team of over 700 professionals specializes in MEP support design, technical VDC (Virtual Design and Construction), project management, detailing, project support, and more. We offer holistic solutions for projects of any size, and believe in a collaborative approach that streamlines the design and construction process, reducing project completion times.

JOB DESCRIPTION The primary role of the Project Assistant (PA) is to maximize the efficiency of the Project Management team while maintaining excellent communication between customers, PM, and design staff. In this role you will work with the ISAT Project Management, Technical, and Administrative staff to optimize the success and profitability of the project, assisting with organization, document control, tracking timelines, and billing.

As a PA you share the responsibility of establishing, maintaining, and enforcing the policies, procedures, and systems (both local and corporate) necessary for the long-term operational success of the technical side of our business. It is our intent to make the most use of your experience and talent while providing opportunities for career growth alongside our company.

RESPONSIBILITIES

Maintain and organize all project folders and digital files. Ensure documentation is complete, up-to-date, and easily accessible. Notify Project Managers when information is missing, outdated, or requires updates. Become deeply knowledgeable regarding internal Project Management Software (Nexus) and support PM’s in managing information and tracking projects through this system.

Assist with billing processes by tracking invoice status and following up with relevant stakeholders. Support the preparation and submission of billing documentation. Assist in executing large material orders in coordination with vendors and internal teams; this includes working with VI and PM teams to create and track orders.

Work closely with the ISAT administrative support staff to create sales orders, material releases, and submit requests to vendors. PA’s help keep track of all orders to ensure they are billed out properly. Log and update status reports and percent-complete trackers for ongoing material requisitions. Provide daily status updates to the project team on the engineering job queue, following up on deadlines and priorities for engineering staff.

Provide administrative support to Project Managers and other team members. Participate in team meetings and contribute to process improvement initiatives. Keep a clean and organized work environment. This is a new position and is a work in progress. The team members will be asked to perform duties not listed in this job offer, but which are also considered to be essential to the employment position .

LEARNING AND GROWTH OPPORTUNITIES : The following list represents areas in which you will be provided with the opportunity to gain experience and expand your skills. All the following skills are required to move into greater roles with ISAT: Assist with the training of all new employees at the branch. Have working knowledge of all training documents and how to assign them to new employees.

Provide firsthand teaching and guidance to reinforce their training and growth. Develop customer relations and communication skills and perform presentations to contractors, general contractors, owners, inspectors, etc. Able to speak on ISAT’s behalf in all forms of correspondence and face-to-face meetings. Most importantly, representing ISAT Total Support in front of any audience and able to answer or derive workable solutions to a host of different issues.

Understand building codes, ISAT manuals, and associated engineering.

QUALIFICATIONS

& SKILLS: High school diploma or equivalent; associate or bachelor’s degree preferred. 1-2 years of experience in a project support or administrative role. Proficiency in Microsoft Office Suite (Excel, Word, Outlook). Experience with Bluebeam and Procore is a plus. Strong diligence and organizational skills. Excellent written and verbal communication abilities.

Ability to manage multiple tasks and meet deadlines in a fast-paced environment. Further Qualifications — The s uccessful candidate must also pass a background check. *Equal Employment Opportunity

Description copied from Tomarco Contractor Specialties's careers page. Read the full posting before you apply.

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