Lead Mechanical Engineer

Lead Mechanical Engineer

Job Category: Engineering Requisition Number: SENIO002813

Posted: May 14, 2026

Full-Time

On-site

St. Paul, MN 909 Montreal Circle St Paul, MN 55102, USA +3 more locations

Description

The purpose of your role as a Senior Engineer

As a Senior Engineer, will apply conceptual engineering techniques, design various types of mechanical systems from the ground up. Responsible for envisioning, designing, and delivering innovative design solutions that meet customer needs and increase efficiency and cost effectiveness in construction and operation.

Design Engineering:

• Lead on projects that include strategic and space planning, consulting, conceptual design, schematic design, design development, construction documentation and construction oversight.
• Partner with the Harris Design Studio team on overall design concepts and design presentation strategies.
• Provide design and documentation during completion and execution of design concepts.
• Work with estimating and construction groups to provide design information.
• Support Digital Design and BIM to prepare documents and drawings.
• Provide specification for systems and equipment.
• Prepare calculations and selections for the correct sizing of mechanical and plumbing systems.
• Prepare and check calculations to understand energy usage, water usage, etc. for building systems.

Project Team Interfaces:

• Support communication between project team, clients, and vendors.
• Conduct life-cycle cost analyses to compare initial costs of project alternatives to operating costs.
• Assist senior Engineers to recommend a level of system performance based on analysis of customer needs and preferences.

What we're looking for in you

• Bachelor's Degree required in Engineering
• 4+ years of basic knowledge of construction equipment and techniques, drawings and specifications, building materials and required standards applicable to discipline
• 4+ years of experience designing a variety of HVAC systems
• Knowledge and experience of designing HVAC systems for different sizes and levels of complexity of buildings and facilities. This should include the following:
• Heating Hot Water Plant and Distribution
• Steam Distribution
• Chilled Water Generation and Distribution
• Refrigerant Cooling systems (VRF, DX etc)
• Space Heating and Cooling Systems (VAV, Chilled beams, Radiant Cooling, Fan Coil Units, Displacement ventilation etc.)
• Ventilation Systems.
• Interface with electrical systems
• Building Automation Systems and Controls
• Experience of HVAC systems for different sizes and levels of complexity of buildings and facilities. This should include the following:
• Drainage systems.
• Storm water systems.
• Domestic cold and hot water systems.
• Medical and Lab gas systems.
• Process Piping Systems
• Natural gas and other combustible organic materials systems design.
• Knowledge and experience of code compliant plumbing and mechanical systems designs for buildings.
• Have knowledge of building rating systems such as LEED, living building challenge etc.
• Experience with approaches and options for implementing low water, energy, high performance, resilient and sustainable design for mechanical systems.
• Actively maintain up to date in innovative and advanced mechanical system design.

Your life at Harris

As one of the country's leading mechanical contractors, Harris offers you the best of both worlds: the stability, resources and opportunities of a national company, and the team culture, creative spirit and customer loyalty of a local business. If you thrive on variety and new challenges, we want to meet you!

From stadiums to manufacturing facilities, power plants to hospitals, concert halls to classrooms, we handle projects of all sizes and complexity from multiple regional locations across the country.

Harris Benefits + Compensation

• Medical, dental, vision, and life insurance
• 401K with company match
• Vacation time, sick time, and paid holidays
• Paid Parental leave
• Short-Term Incentive Plan

Pay Range: $71,079 -$122,611 per year.

The actual salary offer will vary by candidate based on a wide range of factors such as specific skills, qualifications, experience, and location.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.