Onsite Office Manager

About You:

Ready to experience a better way to build your career? ARCO hires only the best and brightest dedicated to providing our clients with superior solutions, cultivating our award-winning workplace culture, and driving success at all levels of the business.

We are seeking a detail-oriented and proactive Onsite Office Manager to support our field operations and project team onsite in Sullivan, IN. This role works closely with Superintendents and onsite personnel to ensure accurate documentation, up-to-date field resources, and smooth coordination between the office, field teams, and subcontractors. The ideal candidate is highly organized and comfortable in an active construction environment..

A Day in the Life:

• Serve as a friendly, responsive point of contact for visitors, Superintendents, field personnel, subcontractors, vendors, customers, and employees; answer calls and email inquiries, direct questions to the right person, and follow through on requests.

• Welcome new trade workers, assist with onboarding paperwork, and issue project badges.

• Coordinate day-to-day onsite office operations, including office and trailer supplies, inventory, mail and packages, routine orders, and site deliveries; greet vendors and direct deliveries appropriately.

• Help keep the onsite canteen, reception area, and shared spaces welcoming and orderly. Coordinate with food and catering vendors and help oversee lunches, vending machines, appliances, and cleanup.

• Arrange meeting and conference-room logistics, including scheduling support, materials, refreshments, and visitor arrangements.

• Support clear communication between the onsite office and field team; prepare correspondence, maintain contact lists and records, and organize digital and physical files.

• Track incoming questions and service requests to help ensure timely responses; resolve routine issues and escalate more complex matters to the appropriate contact.

• Help coordinate office events, team gatherings, and other activities that support a positive workplace experience.

• Handle general clerical and administrative tasks and provide additional office support as needed to help the jobsite run smoothly.

Necessary Qualifications:

• Previous experience in construction coordination, field administration, or a similar role preferred

• Strong organizational skills with a high attention to detail

• Ability to manage multiple tasks in a fast-paced field environment

• Comfortable working both onsite and with office teams

• Strong communication and follow-up skills

• Ability to travel nationwide as-needed

Technical Skills (Preferred)

• Procore experience

• Microsoft Office Suite (Outlook, Word, Excel)

• Viewpoint experience

• Familiarity with construction drawings, specifications, and documentation processes

What We Can Offer You:

At ARCO, we are committed to taking care of our greatest asset – our team. ARCO’s best-in-class benefits and superior compensation are what set us apart from the competition and continue to attract top industry talent.

• Industry-leading performance-based bonus program

• 100% employer-funded ESOP to all associates

• Traditional and Roth 401k

• 1-month paid sabbatical after every five years of employment, plus $5,000 for travel

• 3 weeks of vacation

• 1-week paid volunteer leave each year and 100% charitable match

• Medical, dental, and vision insurance coverage

• 100% paid 12-week maternity leave

• Scholarship for associates’ children up to $28,000 per child

• Tuition reimbursement for associates

MAKE YOUR MOVE

We are proud to be one of the fastest-growing, privately-owned companies in America, celebrating over 30 years of experience as design-build experts. We have completed over 7,500 design-build projects nationwide. We ranked #9 on ENR’s Design-Build Firms list and #34 on ENR's Top 400 Contractors list of 2026. Most importantly, our clients like us, trust us, and want to do business with us. We are looking for people with the same enthusiasm, passion, and respect for the hard work that brought us to where we are today. Are you a person who can make a difference at ARCO? If the answer is “Yes!” we look forward to meeting you.

ARCO does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies without pre-approval from ARCO’s Human Resources team. Pre-approval is required before any external candidate can be submitted. ARCO will not be responsible for fees related to unsolicited resumes and for candidates who are sent directly to our hiring managers. Agencies must have a fully executed vendor agreement in place as well as written approval to submit candidates from an ARCO TA Manager for a specific position before submitting candidates.

LEGAL DISCLAIMER

EOE, including disability/vets