Assistant Project Engineer Jobs in Prior Lake, MN

At Horwitz, we don’t just offer jobs—we build careers. For over 100 years, we’ve been a leader in HVAC, plumbing, electrical services, delivering exceptional service while fostering a supportive and innovative workplace. Joining our team means working with passionate professionals in a culture built on safety, accountability, professionalism, motivation, curiosity, and a can-do attitude.

We’re committed to your growth with training, mentorship, and advancement opportunities. Along with competitive benefits—you’ll be part of a company that values its employees and makes a positive impact in the community. Join Horwitz and become part of a legacy of excellence and opportunity.

The Project Engineer at Horwitz plays a critical role in supporting Project Managers across all divisions, including Construction, Service, Electrical, Temperature Controls, Industrial Ventilation, Mechanical Insulation, and Millwrights. The Project Engineer will assist in coordinating project activities to ensure that cost, schedule, document control, and quality standards are consistently met. This position offers exposure to every aspect of the construction process, providing a solid foundation for a future career as a Project Manager.

At Horwitz, we are guided by our core values: Safe, Accountable, Professional, Motivated, Curious, and Can-Do. These values are integral to the role and will shape your approach to all tasks and interactions as you contribute to the success of our projects and company.

These responsibilitiesgenerally describethe nature of the position and may not be all inclusive:

• Safe: Demonstrates safe work practices, identifies and mitigates risks, and promotes a culture of safety.
• Professional: Represents Horwitz with integrity, communicates effectively, and upholds company standards.
• Motivated: Takes initiative, demonstrates drive to learn, and seeks continuous improvement.
• Curious: Asks thoughtful questions, explores new ideas, and seeks to understand broader project context.
• Accountable: Takes responsibility for tasks and outcomes, follows through on commitments, and owns mistakes.
• Can-Do Attitude: Approaches challenges with optimism, flexibility, and a solutions-oriented mindset. Willingness to go above and beyond.

• Create and manage submittals
• Review Horwitz Way "Contract Review" Document
• Understand the layout of project folders in Box and manage documents (ref PE L2)
• Complete receipt inspections for project equipment deliveries
• Apply for permits from the city or DOLI with assistance from the project managers.
• Ability to gather required closeout documents with assistance from a PM (IOMs, warranty, startup forms, owner training, As-builts, punchlist)

• Send out equipment and material pricing requests using schedules, specifications, and material lists from Design
• Understand the concept of project change orders and proposals.
• Begin to understand forecasting in construction projects
• Get familiar with estimating tools (estimate spreadsheet, QuoteSoft, PriceDuct, MCAA-WEBLEM)

• Familiarize yourself with the different types of materials used in mechanical construction
• Begin to understand ductwork, hydronic, plumbing construction methods.
• Begin to understand HVAC, hydronic, plumbing system operation and design.
• Understand ductwork, hydronic, plumbing construction methods
• Begin to understand electrical requirements relevant to mechanical construction.
• Begin to understand temperature controls requirements relevant to mechanical construction.
• Begin to understand mechanical/plumbing code requirements, ASHRAE, IECC, etc. Know who to talk to or where to find information regarding these codes.
• Understand the prefabrication process and concepts
• Understand the various roles and scope of work of Horwitz subcontractors
• Complete receipt inspections for project equipment deliveries
• Understand commodity (hardware, pipe, fittings, hangers, ductwork, etc.) material buyout pricing
• Understanding roles of Foreman, Journeyman, Apprentices; and their labor rates

• Attend meetings with customers/ownership/general contractor.
• Adheres to guidance from the Project Manager and field team; demonstrates a strong motivation to learn, assume greater responsibilities, and advance professionally.
• Learn how project managers develop relationships with customers, trade partners, and general contractors.
• Attend internal meetings such as weekly foreman meetings, prefab meetings, constraint meetings, lessons learned, WIP, project handoff meetings.
• Understand the concept and process of different types of billings (GMP, simple, T&M, lump sump)

• Understand project schedules
• Learn the basics of our labor force and requirements based on project scope & timeline. Attend and listen to weekly labor meetings.
• Attend pull plan meetings.

• Learn the basics of our labor force and requirements based on project scope & timeline. Attend and listen to weekly labor meetings.

• Cultivate a fun and productive work environment.

• Be an encouraging leader and mentor.

• Perform other duties as assigned.

• Get better every day.

• Bachelor’s degree in Mechanical Engineering, Construction Management, or a related field is preferred.

• Industry Leadership: Horwitz is a trusted name known for delivering top-quality solutions.
• Culture: From day one, you’ll feel the support and encouragement of a team that genuinely cares about your success.
• Competitive Benefits: We provide a comprehensive benefits package, including health insurance, retirement plans, supplemental insurance and competitive PTO.
• Community Impact: Be part of a company that gives back. Our goal is to find charities where at least 92% of the money donated goes directly to the cause. By celebrating shared interests, we create a environment that strengthens both our team and our company.

At Horwitz, you’re not just joining a company—you’re joining a legacy of excellence and a future filled with opportunity.