Administrative Assistant

The Hollister Group; Exton (PA); On-site; USD 34,000 - 40,000; Full time

Job summary

The Hollister Group is seeking an Administrative Assistant to provide hands-on office and project support on-site in Exton, PA. This contract role (40 hours/week) supports a professional office of project managers and technical staff, ensuring efficient operations, polished documents, and timely assistance.

Candidates should bring 2–5 years of administrative experience, proficiency with Microsoft 365, and strong written communication skills.

Qualifications

• 2–5 years of administrative/office management experience.
• Strong written communication and proofreading skills.
• Ability to multitask and prioritize in a fast-paced environment.

Responsibilities

• Serve as primary front-office support (phone, reception, mail).
• Manage supplies, inventory, maintenance, and general office organization.
• Coordinate meetings, A/V setup, catering, and room logistics.
• Support project managers and technical staff with documentation and correspondence.
• Onboard/offboard logistics and basic IT troubleshooting as needed.
• Grow office operations and assist with administrative projects as assigned.

Skills

Communication

Time management

Team collaboration

Attention to detail

Education

Bachelor's degree preferred

Tools

Microsoft 365

Adobe Acrobat

Bluebeam Revu

Job description

Our client, a respected consulting engineering and environmental firm, is seeking a reliable Administrative Assistant to provide hands-on office and project support during a medical leave. This is an onsite contract opportunity in the Exton, PA area (40 hours/week) where you’ll be the go-to administrative resource for a professional office of project managers and technical staff—ideal for someone who takes pride in keeping operations running smoothly, producing polished documents, and supporting busy teams with urgency and attention to detail.

Compensation

• $25.00–$29.00/hour

Responsibilities

• Serve as the primary front-office support, including phone coverage, reception coverage as needed, and package/mail coordination
• Keep day-to-day office operations on track by managing supplies, ordering inventory, coordinating maintenance, and supporting general office organization
• Partner with vendors and help maintain strong working relationships and service continuity
• Provide administrative support to project managers and technical staff, adjusting priorities as needs shift
• Prepare, proofread, format, and manage correspondence and technical documents (including certificates of insurance)
• Coordinate meetings by reserving space, assisting with A/V setup, arranging catering, and helping with room setup/cleanup
• Assist with onboarding/offboarding logistics and related administrative steps
• Help troubleshoot basic office technology issues and maintain strong overall computer proficiency
• Take on additional administrative projects and tasks as assigned

Requirements

• 2–5 years of administrative and/or office management experience (professional services experience is a plus)
• Strong proficiency with Microsoft 365 (Word, Excel, PowerPoint, Outlook, Teams)
• Experience with Adobe Acrobat (Bluebeam Revu is a plus)
• Excellent written communication skills, including grammar, proofreading, formatting, and document editing
• Confident interpersonal and customer-service skills (verbal and written)
• Strong time management skills with the ability to multitask and prioritize in a fast-paced environment
• Ability to work independently while collaborating effectively with a team
• Education: Degree highly preferred
• Ability to work onsite Monday–Friday (8:00 AM–5:00 PM, with a 1-hour lunch)

Our Commitment to Inclusion & Belonging

The Hollister Group is an equal opportunity employer. We welcome and encourage applications from people who are under-represented in their respective occupation or position.