Jobs and Careers
TR
Administrative Assistant
Trilon GroupUnited Statespart_timeVerifiedPosted 20 Mar 2026
About the role
Administrative Assistant
Department: Corporate/Administrative
Employment Type: Part Time
Location: Cleveland, OH
Reporting To: Jennifer Cheslik
Description
The Mannik & Smith Group, Inc. (MSG) is a people focused, award-winning, full-service consulting firm that offers a wide array of services including civil and geotechnical engineering, environmental consulting, planning, landscape architecture, agriculture, surveying and construction support. Our talented staff of more than 650+ professionals deliver integrated planning, design, engineering and construction solutions.We are seeking a detail-oriented, highly organized and proactive Administrative Assistant to support our Shaker Heights, OH and provide additional support to our Middleburg Heights location. This role is critical to keeping daily operations running smoothly and ensuring a professional, welcoming environment for staff and clients. This position is ideal for someone who thrives in a fast-paced, team-oriented environment, enjoys staying organized, and takes pride in keeping office operations running smoothly.
Duties & Responsibilities
- Serve as the first point of contact - Greet guests, employees, and clients professionally
- Answer and direct phone calls; manage email, mail, and packages
- Coordinate meetings (room scheduling, setup, agendas, minutes)
- Prepare, proofread, and format letters, reports, and presentations
- Maintain office files, records, and SharePoint resources
- Support onboarding logistics for new hires (workspace setup, materials, coordination)Arrange travel and assist with light accounting/project support
- Order and manage office and kitchen supplies and track inventory
- Coordinate and prepare outgoing shipments (USPS, UPS, FedEx, courier)
- Assist with office events, team meetings, employee engagement activities, and general administrative support
- Handle sensitive and confidential information with professionalism and discretion
Skills, Knowledge and Expertise
- 3+ years of administrative experience
- High school diploma or GED (higher education preferred)
- Proficiency in Microsoft Office (Word, Excel, Outlook, PowerPoint) and SharePoint
- Strong organization, time management, and attention to detail
- Effective time management and ability to prioritize competing tasks
- Excellent written and verbal communication skills
- Ability to work independently while supporting a collaborative team environment
- Experience in the AEC (Architecture/Engineering/Construction) industry preferred
- Deltek, Revit, or Adobe experience a plus
Benefits
- 401(k) w/ company match
- Health insurance w/ HSA option, Vision, Dental, Life
- Flexible schedule
- Paid time off
- Referral program
- Tuition reimbursement
- Catalytic Coaching - Employees draft a development plan aimed at improving contributions in their current job and increasing the potential for other opportunities. MSG is all about bringing out the best in people at work!
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