Civil​/Environmental Engineer

At Mac Kay, we believe great people are the foundation of our growth and success. We are in an exciting phase of expansion, creating new opportunities for our employees to take on meaningful work, collaborate across disciplines, and build long-term careers. Whether your role is technical or part of our support services team, you play an important role in delivering high-quality work and helping our projects succeed.

Pioneer Technical Services has built a reputation for delivering innovative engineering and environmental solutions while earning the trust of clients and communities throughout the Intermountain West. Now, as Pioneer Technical Services, A Part of Mac Kay, we’re building on that foundation as part of a growing national infrastructure and environmental services firm. Joining Mac Kay expands opportunities for our employees through multidisciplinary collaboration, broader technical expertise, and the resources of a larger organization, while preserving the collaborative culture, local leadership, and commitment to practical, client-focused solutions that have always defined Pioneer.

We are seeking a Civil/Environmental Engineer specializing in environmental remediation and heavy-civil earthwork design to join our team at our Helena, MT, office. The position requires experience across multiple phases of environmental and civil engineering consulting, including preparing technical plans and specifications, managing client and design teams, preparing bidding documents, and overseeing field inspections. The engineer will be required to travel for 10-30% of their time.

• Independently perform environmental and civil engineering tasks, including remedial designs for projects within the Silver Valley of Idaho and Western Montana. These designs include conducting alternatives analyses, preparing sampling plans, preparing construction drawings and specifications, preparing bidding documents, and managing construction projects.
• Work collaboratively with other engineering disciplines within Mac Kay, including structural, geotechnical, and water resources engineers.
• Conduct technical review and project management for engineering deliverables, schedule, and invoicing.
• Manage and mentor junior engineering staff.
• Prepare and review technical reports.
• Develop scopes of work and budget estimates for conducting engineering projects.
• Manage junior staff performing construction observation.
• Assist with business development and proposal writing efforts, when warranted.
• Manage staff members

• Bachelor’s degree in Civil or Environmental Engineering or a related discipline
• Montana P.E. license
• 5-10 years of experience in Federal and State environmental regulations or related design experience in heavy civil or earth-moving projects.
• Proficient in MS Office and AutoCAD Civil 3D
• Ability to communicate effectively across all levels and cross-functionally
• Ability to collaboratively solve complex technical problems
• Experience with proposal development, cost estimating, and determining specifications.
• Excellent written and verbal communication skills.
• Experience leading a team is a plus

Pioneer Technical Services is now part of Mac Kay, a growing national infrastructure and environmental services firm with more than 50 years of experience serving clients across the United States. While our name will transition to Mac Kay in January 2027, our people, leadership, and commitment to delivering innovative, practical solutions remain the same. Together, we’re combining Pioneer’s trusted expertise with the expanded resources, multidisciplinary capabilities, and career opportunities of a growing national organization.

At Pioneer, you’ll have the opportunity to work alongside talented professionals on meaningful projects that strengthen communities and the environment. We offer competitive compensation, comprehensive benefits, professional development opportunities, and a collaborative culture where employees are empowered to grow and make an impact.

Honesty. We build trust through transparency, integrity, and accountability.…