Administrative Assistant
$20 - $26 per hourMartin & Wallin LLC
Job Description
Job Description
Part-Time Administrative Assistant
Civil & Structural Engineering Office | Cedar Park / Leander, TX
Part-time | 20–25 hours/week | In office
Pay: $20–$26 per hour, based on experience
We are a local civil and structural engineering office in the Cedar Park / Leander area. We need an organized, productive part-time Administrative Assistant to support bookkeeping, proposals, scheduling, submittals, and permits so project managers can stay focused on design work.
What you’ll do
Enter bills, expenses, payments, and invoices in QuickBooks Online
Help prepare and follow up on client invoices
Format, proofread, and assemble proposals, letters, and client packages in Microsoft 365
Schedule meetings and track follow-ups with clients, agencies, and consultants
Assist project managers with submittals and permit applications
Maintain organized project files, logs, and office records
Handle phones, email, mail, printing, and document delivery
Requirements
2+ years of administrative, bookkeeping, or project-support experience
Highly organized and productive; able to finish work without constant follow-up
Strong writing, proofreading, and document-formatting skills
Proficiency in Microsoft 365 (Word, Excel, Outlook, Teams, and PDFs)
Willingness to learn QuickBooks Online quickly
Reliable transportation to our Cedar Park / Leander office
Professional communication and attention to detail
Preferred
QuickBooks Online experience
Experience in an engineering, architecture, surveying, or construction office
Experience with proposals, submittals, or permit packages
What we offer
$20–$26/hour DOE
Flexible weekday part-time schedule
Prorated paid holidays and PTO
Small professional office with meaningful local project work
Opportunity for additional hours as needed
To apply Submit your résumé and a short note with:
Your weekly availability
Experience with QuickBooks Online, Microsoft 365, bookkeeping, proposals, or permits
How you stay organized when several deadlines overlap
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