Part-Time Administrative Assistant

Administrative Assistant I (Part-Time)
Location: Austin, TX
Build Your Future with GBA
At GBA, we're more than an engineering and architecture firm-we're problem-solvers, collaborators, and trusted partners working together to support the communities we serve. As we grow, strong administrative and operational support plays a critical role in helping our teams stay organized, connected, and focused on delivering high-quality work.

We're seeking a Part-Time Administrative Assistant I to support our Austin office. This role is ideal for someone who enjoys coordinating day-to-day activities, supporting project teams, and creating a positive, organized work environment. This position goes beyond traditional administrative work-it plays a key role in keeping projects, teams, and office operations running smoothly.
What You'll Do
As an Administrative Assistant I, you'll:

• Maintain calendars, schedule meetings, and coordinate Lunch & Learn sessions.
• Support Project Managers and leadership with administrative coordination and documentation.
• Prepare meeting agendas, capture notes, and track follow-up action items.
• Assist with onboarding coordination, internal communications, and office-wide initiatives.
• Help maintain efficient workflows and identify opportunities to improve organization and consistency.
• Support invoice routing, expense tracking, and general operational activities.
• Serve as a point of contact for employees, visitors, vendors, and project teams.
• Coordinate office operations, including supplies, equipment, and vendor communication.
• Maintain organized digital files, records, and shared resources.
• Assist with planning office events, employee engagement activities, and team functions.

What You Bring

• High school diploma or equivalent required.
• Previous administrative, office coordination, or professional support experience preferred.
• Proficiency with Microsoft Office applications, including Outlook, Word, Excel, and Teams.
• Strong organizational and time management skills.
• Ability to prioritize work, manage multiple tasks, and adapt to changing needs.
• Strong written and verbal communication skills.
• Professional judgment with the ability to maintain confidentiality.
• High attention to detail and strong follow-through.

What Makes You a Great Fit

• You are proactive, dependable, and take initiative.
• You enjoy supporting teams and helping others succeed.
• You thrive in a collaborative, fast-paced office environment.
• You bring strong organizational skills and attention to detail.
• You look for ways to improve efficiency, consistency, and team support.

Why This Role Matters
Administrative professionals are essential to GBA's success. In this role, you'll help create organization, consistency, and operational support across the office-enabling project teams and leadership to stay focused on delivering quality work for our clients and communities.
Why You'll Love Working Here
At GBA, you'll be part of a team that values collaboration, support, and continuous improvement. We believe in creating an environment where people feel valued and empowered to contribute.
Join Our Team
If you enjoy supporting teams, staying organized, and playing a key role in a collaborative office environment, we'd love to hear from you.
Apply today and build your future with GBA.

GBA is an Equal Employment Opportunity Employer. We promote diversity in our workforce by including all individuals regardless of age, race, religion, color, sex, national origin, marital status, genetic information, sexual orientation, gender identity, gender expression, disability, veteran status, pregnancy status, or any other status protected by law.