Part-Time Office Coordinator – San Diego (AEC Admin)

Cscos; San Diego (CA); On-site; USD 36,000 - 41,000; Part time

Job summary

C&S Companies in San Diego, CA is seeking an Office Coordinator to manage daily administrative tasks and support teammates across locations. This is a part-time, in-office role with hours Monday–Thursday 8:30 a.m.–3:30 p.m.

and Friday 8:00 a.m.–noon (32 hours per week before unpaid meal breaks). The ideal candidate will be organized, accurate, and approachable, with strong communication skills and the ability to manage multiple priorities in a fast-paced environment.

Qualifications

• Minimum 2–3 years of administrative experience.
• Experience with a general contractor or architecture/engineering firm preferred.
• Detail-oriented and punctual.
• Proficient in Microsoft Office (Word, Excel, PowerPoint, Outlook, Project).
• Experience supporting professionals in remote or decentralized offices.
• Strong communication and interpersonal skills.
• Ability to work with all organizational levels in a fast-paced environment.
• High school diploma or GED.

Responsibilities

• Maintain organized files, electronic records, and databases.
• Provide general administrative support to the San Diego office and other C&S teammates.
• Coordinate staff travel and C&S events.
• Assist senior staff with preparing and submitting expense reports.
• Greet visitors and coordinate lunches as needed.
• Support office onboarding for new hires.
• Print Safety STAC cards and coordinate project signage.
• Keep breakroom areas clean and stocked with coffee and supplies.
• Order office supplies and maintain inventory.
• Maintain fleet vehicle and construction, marketing, and engineering equipment inventories.
• Coordinate mail, project deliveries, shipping/receiving, parking, and building management communications.
• Promptly report incidents, accidents, near misses, hazards, and unsafe conditions to a supervisor or the Health and Safety Department.
• Assist the C&S Construction Senior Project Administrator with:
• Exporting and filing executed change orders.
• Procore administration, including project contacts and data entry.
• Subcontractor outreach for documents and qualifications.
• Printing plans using plotter systems.
• Collecting and verifying COI and OCIP documentation.

Skills

Administrative experience

Communication skills

Customer service

Interpersonal skills

Teamwork

Stakeholder management

Education

High school diploma or GED

Tools

Microsoft Office

Job description

C&S Companies in San Diego, CA is seeking an Office Coordinator to manage daily administrative tasks and support teammates across locations. This is a part-time, in-office role with hours Monday–Thursday 8:30 a.m.–3:30 p.m.

and Friday 8:00 a.m.–noon (32 hours per week before unpaid meal breaks). The ideal candidate will be organized, accurate, and approachable, with strong communication skills and the ability to manage multiple priorities in a fast-paced environment.