Engineering Office Manager

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Job Description & Requirements

Interstate Engineering is looking for a leader who wants to do more than manage an office. We’re looking for someone who wants to make an impact! If you're an experienced leader who is looking to guide the operations and continued growth of our Williston office while supporting projects that serve communities across western North Dakota, this is the role for you!

An office manager at Interstate Engineering offers a unique opportunity for a Professional Engineer (PE) or experienced operations leader to combine technical insight with office leadership overseeing daily operations, supporting project delivery, and strengthening client relationships. From municipal infrastructure to rural community development, the work you support will have a direct and lasting impact. If you're someone who brings strong leadership, a collaborative mindset, and a commitment to both team success and community-focused solutions, join our team!

Williston offers a unique blend of opportunity, community, and quality of life that’s hard to find elsewhere. As one of the fastest-growing regions in North Dakota, it continues to evolve creating meaningful opportunities to shape infrastructure, support local communities, and be part of long-term growth.

At Interstate Engineering, our work in and around Williston goes beyond individual projects. We partner with cities, counties, and rural communities to deliver solutions that make a lasting impact from improving roads and utilities to supporting community development and growth. Here, you’ll see the direct results of your work in the places people live, work, and raise their families.

Beyond the work itself, Williston offers a strong sense of community, access to the outdoors, and a pace of life that allows you to build both a career and a life you’re proud of. If you’re looking for a place where you can lead, grow, and make a difference, Williston delivers.

Project & Technical Coordination

• Coordinate project priorities and workflows in collaboration with engineers, survey managers, and project managers to support successful project delivery.
• Support project teams by ensuring resources, timelines, and communication are aligned across disciplines.
• Assist in proposal preparation, client coordination, and project documentation to support business development and project execution.
• Partner with technical staff to improve processes that enhance efficiency, quality, and consistency in project delivery.

Leadership & Team Development

• Lead and support administrative staff, fostering a collaborative, high-performing team environment that supports engineering and project teams.
• Work closely with engineers and technical staff to ensure operational support aligns with project needs and client expectations.
• Support recruitment, onboarding, and development of staff to strengthen the office’s capabilities and long-term growth.

Client & Community Engagement

• Build and maintain strong relationships with clients, supporting Project Managers in delivering responsive, high-quality service.
• Contribute to community engagement efforts and support projects that impact both urban and rural communities across the region.
• Collaborate with marketing and funding teams to support proposals, funding applications, and community initiatives.

Financial & Operational Leadership

• Support budgeting, financial tracking, and forecasting to align office operations with project and business goals.
• Oversee accounts payable/receivable and financial processes to support project and office performance.
• Identify opportunities to improve operational efficiency, reduce costs, and support long-term office growth.

Office Operations

• Oversee daily office operations, vendor relationships, and administrative processes to ensure a well-functioning and productive work environment.
• Maintain compliance with company policies and support coordination with HR and accounting teams.

This role is ideal for a candidate looking to expand their impact beyond technical work into leadership, operations, and community-focused…