Infrastructure Engineer Jobs in Montana (NOW HIRING)

Lead. Build. Grow.
Interstate Engineering, a forward-thinking regional engineering firm, is seeking an accomplished Senior Civil Engineer in our Montana offices. This is more than a job, it’s an opportunity to shape communities, guide a high-performing team, and leave your mark on a growing region as an employee-owner.

As a senior leader, you’ll have a seat at the table where strategy meets execution. From concept to ribbon cutting, you’ll drive projects that range from municipal infrastructure to county and roadway systems, while mentoring the next generation of engineers and strengthening client partnerships.

High-impact leadership: Lead and inspire a multi-disciplinary team, blending technical expertise with business strategy.

Big-picture influence: Build and expand our client base across Western North Dakota, positioning yourself as a trusted partner to municipalities and agencies.

Ownership mindset: As part of an employee-owned firm, your contributions directly fuel both your success and the company’s.

Diverse, rewarding work: Manage everything from design and project delivery to client meetings and business development — no two days are the same.

Collaborative culture: Thrive in a company where initiative is encouraged, voices are heard, and teams work side-by-side to solve challenges.

Oversee and design municipal, county, and roadway projects.

Guide your team with hands‑on technical direction and mentorship.

Manage budgets, schedules, and resources with precision.

Strengthen client relationships through trust and responsiveness.

Drive business development by preparing proposals and leading client meetings.

Ensure projects finish strong through active construction management.

If you’re ready to lead, build lasting infrastructure, and grow with a company that values both people and performance, Interstate Engineering is ready for you.

• Knowledge of state and federal codes and regulatory agency requirements
• Design and rehabilitation of water distribution systems
• Design and rehabilitation of sewage collection systems
• Preparation of Preliminary Engineering Reports for water and wastewater facilities
• Experience with municipal, county, and DOT facilities
• Understanding of municipal, county, and state governments
• Understanding of department of transportation design and construction process
• Interest in transportation, hydraulics, and municipal engineering
• Subdivisions
• Stormwater collection and stormwater detention/retention/reuse systems
• Basic surveying

• Bachelor’s Degree in Civil Engineering or related field
• Licensed Professional Engineer
• 8–10 years of experience
• Technical knowledge of engineering principles and practices
• Experience with project management, proposal development, and marketing
• The capability of supervising, mentoring, and evaluating staff
• Exceptional communication and interpersonal skills and the ability to work in a team atmosphere is vital
• Good driving record and valid driver’s license.
• Ability to use civil engineering software such as AutoCAD
• Proficient in MS Word, Excel, and PowerPoint.

Ability to perform site visits and assessments, which may involve walking, climbing stairs, and navigating uneven terrain.

Capable of lifting and carrying equipment or materials weighing up to 50 pounds.

Comfortable working in various weather conditions, including exposure to heat, cold, rain, and other environmental factors.

Adequate vision and hearing abilities to effectively assess project sites, read and interpret technical drawings, and communicate with team members and stakeholders.

Ability to operate standard office equipment and use computer software for project management, design, and documentation purposes.

Possession of a valid driver’s license and ability to travel to project sites as necessary.
Please note that the physical requirements may vary depending on specific project demands and work assignments. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

The Senior Engineer Job Description is a guide to promote consistency and professionalism within the firm. It is subject to periodic updates and revisions as needed to align with evolving industry standards, company policies, and regulatory requirements. This job description is intended to convey information essential to understanding the scope of the Senior Transportation Engineer’s position and the general nature of the work performed. It is not an exhaustive list of skills, duties, responsibilities, or qualifications associated with the role.

Embracing a collaborative team approach, Interstate Engineering focuses on building for tomorrow. From projects to career paths, Interstate Engineering knows the best approach to any accomplishment is to collaborate, celebrate success, and grow for tomorrow.

Founded in 1976, our employee-owned firm provides innovative engineering, surveying, and planning solutions throughout the Great Plains Region. We continually seek the best talent because we know our employees are the key to success. Interstate Engineering offers an environment that cultivates personal and professional growth through honesty, transparency, and respect. Being active in our careers, we understand the importance of training and professional development and encourage involvement in professional organizations. Our team is built of professionals you need, the people you trust.

Bachelor's Degree

Full-time

We are an equal‑opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.

• Competitive wages
• Bonus opportunities
• Family‑oriented environment
• Prioritized work/life balance
• Paid holidays
• Travel opportunities
• 100% paid health insurance for employee
• Short & long‑term disability insurance
• 401K Profit Sharing
• ESOP (Employee Stock Ownership Program)
• Relocation assistance (if required)