Temporary Part-Time Administrative Assistant

TrueSense Marketing is a full-service, strategic, direct response fundraising agency and direct mail marketing company. We use insightful analytics, innovative strategies, and breakthrough creative execution to engage donors at every level in order to move them from transactional to transformational relationships with our nonprofit partners.

We are looking for a reliable, detail-oriented Temporary Administrative Assistant to support daily office operations at our Warrendale, PA location. This is a great opportunity for someone who enjoys variety in their workday, has strong organizational instincts, and takes pride in being a warm, professional first point of contact for visitors and staff alike. This is a fully onsite, temporary position expected to run 3–6 months, with the possibility of extension based on business needs.

Document amp; Correspondence Support

• Prepare, format, and proofread documents using Microsoft Word, ensuring a polished and professional presentation
• Manage incoming and outgoing email correspondence in a timely and organized manner
• Draft, format, and help distribute company newsletters and internal communications

Front Office amp; Visitor Relations

• Serve as the first point of contact for visitors, clients, and vendors, providing a warm and professional welcome
• Answer and direct phone calls and inquiries as needed
• Maintain a clean, organized, and presentable front office/reception area

Office amp; Supply Management

• Monitor office supply inventory levels and coordinate reordering to prevent shortages
• Track incoming deliveries and ensure supplies are properly stocked and organized
• Maintain organized filing systems, both physical and digital

Meeting amp; Administrative Support

• Coordinate meeting scheduling, including calendar management and room/resource booking
• Prepare meeting materials, agendas, and handouts in advance
• Take accurate notes and minutes during meetings as requested
• Provide general administrative support to team members and leadership as needed

Onboarding Support

• Assist in preparing onboarding materials and welcome packets for new employees
• Support the coordination of new hire paperwork and orientation logistics
• Help ensure a smooth and organized onboarding experience for incoming staff

• Previous experience as an administrative assistant, office coordinator, or in a similar support role required
• Strong organizational skills with proven ability to manage filing systems (digital and physical)
• Proficiency in Microsoft Word and comfort managing professional email correspondence
• Experience assisting with newsletters or internal communications preferred
• Excellent interpersonal and communication skills, with a professional and friendly demeanor
• Strong attention to detail, particularly in inventory tracking and meeting logistics
• Ability to multitask and prioritize in a dynamic office environment
• Experience preparing onboarding materials or supporting new hire processes is a plus
• Must be dependable, punctual, and able to work onsite for the full duration of the assignment

• Position Type: Temporary (3–6 months, possibility of extension)
• Hours: Up to 30 hours per week
• Pay Rate: $20.00/hour
• Location: 502 Keystone Dr, Warrendale, PA 15086 (onsite only — not remote or hybrid)