Office Administrator

Compensation: $22.00 - $25.00 per hour (based on experience)

Job Title:

Office Administrator

CEM Construction Corp is seeking a detail-oriented and proactive Office Administrator to support our growing construction operations in Los Angeles. This full-time role is responsible for overseeing administrative tasks, certified payroll reporting, and light accounting support. As the linchpin between field, office, and finance teams, you'll play a vital part in keeping our projects organized, compliant, and on track. If you thrive in a fast-paced, construction-focused environment and bring strong organizational and communication skills, we want to hear from you.

At CEM Construction Corp, we’re building more than infrastructure— we’re building communities. Based in Los Angeles, we specialize in wet utility and public works projects across Southern California. With a reputation for integrity, safety, and craftsmanship, we deliver mission‑critical infrastructure projects that shape our cities and support long‑term growth. Our team‑oriented culture values reliability, continuous learning, and a shared commitment to excellence.

• General Office Administration:
  • Manage front office operations: phone calls, visitors, mail, and office supplies.
  • Maintain both digital and physical filing systems.
  • Support scheduling, calendar coordination, and travel arrangements.
  • Assist project managers and field staff with administrative documentation.
  • Organize and submit project documents (bids, contracts, change orders, closeouts).
  • Deliver sealed bids or project documents to clients/agencies a few times per month.
• Certified Payroll Compliance:
  • Prepare and submit certified payroll reports in accordance with Davis‑Bacon, DIR, and local prevailing wage regulations.
  • Track wages, hours, and classifications for field crews.
  • Ensure accurate data entry and maintain records for audits.
  • Coordinate with HR, field supervisors, and project teams for accurate reporting.
• Accounting & Vendor Support:
  • Assist with A/P and A/R data entry and reconciliation.
  • Match vendor invoices with POs and delivery receipts.
  • Help prepare internal and external financial documentation.
  • Maintain records for vendors and subcontractors (W9s, insurance, lien releases).

• Experience:
  • 1‑2 years of office administration, preferably in construction or contracting.
  • Prior certified payroll experience is a strong plus.
  • Exposure to accounting/bookkeeping tasks preferred.
• Education:
  • High school diploma or equivalent required.
  • Degree or certification in office administration, accounting, or related field is a plus.
• Skills &
  
  Competencies:
  
  
  • Proficiency in Microsoft Office (Excel, Word, Outlook).
  • Strong organizational and time‑management abilities.
  • Excellent written and verbal communication skills.
  • Discretion with sensitive or confidential information.
• Other Requirements:
  • Valid driver's license and reliable transportation.
  • Willingness to make occasional local deliveries or site visits.
  • Comfortable in a fast‑paced, multitasking work environment.

• $22.00 - $25.00 per hour (based on experience)
• Paid time off and holidays
• 401(k) plan
• Weekly pay cycle
• Opportunities for growth, training, and advancement
• Team environment with supportive leadership

Full‑Time:
Monday-Friday

Office

Hours:

8:00 AM - 5:00 PM

Minimal local travel as needed for bid deliveries or meetings

Office based in Los Angeles, CA

Occasional travel to local project sites or agencies

We are proud to be 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, protected veteran status, or any other legally protected status.

A background check will be completed as part of the onboarding process, in compliance with applicable laws.