Trilon Group

Administrative Assistant

Trilon Group  •  Cranberry Township, PA (Onsite)  •  3 months ago
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Job Description

Administrative Assistant

Department: Civil/Municipal

Employment Type: Part Time

Location: Cranberry Township, PA

Reporting To: Jennifer Cheslik


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 and proactive Administrative Assistant to support our Cranberry office. This role also provides administrative support to two nearby regional offices (approximately one hour away), with occasional travel required.

This position is ideal for someone who thrives in a fast-paced environment, enjoys staying organized, and takes pride in keeping office operations running smoothly.

What You’ll Do

  • 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 preparations for new hires
  • Arrange travel and assist with light accounting/project support
  • Order and manage office and kitchen supplies
  • Prepare outgoing shipments (USPS, UPS, FedEx, courier)
  • Assist with office events and general administrative support
  • Handle sensitive information with confidentiality

What You Bring

  • 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
  • Excellent written and verbal communication skills
  • Ability to work independently and prioritize effectively
  • AEC industry experience 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!

It is the policy of our company to follow equal employment opportunity procedures in compliance with federal, state and local criteria. We will provide all applicants for employment, and all employees, with equal opportunity without regard to race, color, religion, national origin, age, sex, height, weight, marital status, arrest record, disability, pregnancy, sexual orientation, gender identity or expression, genetic information, military or veteran status, and/or any other protected classes covered by any local, state and federal laws.

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Trilon Group

About Trilon Group

Infrastructure is the backbone of the communities where we live, work, and play. Done well, infrastructure changes lives for the better – promoting opportunity, equity, sustainability, and safety.

Trilon is bringing together a family of the nation’s best infrastructure consulting firms. We invest in talent, technology, and targeted M&A to ensure we are the firm of choice for our clients and our people to deliver sustainable infrastructure solutions.

Trilon helps our communities plan, design, and deliver critical infrastructure more quickly, affordably, and impactfully.

Industry
Construction & Skilled Trades
Company Size
51-200 employees
Headquarters
Denver
Year Founded
2021
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