Senior Project Engineer

Mantis Innovation•Chicago, IL

5d•Hybrid

About The Position

Mantis Innovation provides managed facility services and turnkey program management with technology-enabled solutions that target the entire building footprint. We look at the entire facility—inside and out—and can impact 70% of what a building operator allocates critical budget dollars toward, including: Strategic electricity and natural gas procurement, renewable energy, and demand response; climate impact reduction and reporting, net zero strategies, and sustainability planning; roofing, solar, HVAC assessment management, pavement, building envelope, data center optimization, and EV charging; lighting/LED retrofits, HVAC/mechanical systems, and BMS/BAS improvements and implementation. The Sr. Project Engineer helps clients identify, design, and implement utility and infrastructure improvements. This role solves the challenge of turning complex facility needs into practical projects that improve performance, reliability, and cost efficiency. The position leads technical assessments, feasibility analysis, project scoping, and engineering design to support informed investment decisions. This role is critical to delivering accurate project recommendations, strong technical solutions, and well-executed engineering support from concept through implementation.

Requirements

Bachelor’s degree in engineering or a related technical field.
5-10 years of experience in development, design, or delivery of utility system modernization, energy efficiency, or related infrastructure projects.
Experience supporting industrial and/or commercial projects.
Technical experience with utility, HVAC, mechanical, or related infrastructure systems.
Ability to independently manage engineering work and coordinate with clients, internal teams, and external partners.

Nice To Haves

PE license, Certified Energy Manager credential, LEED AP credential, or similar professional certification
Strong financial and economic analysis, including lifecycle cost analysis, ROI evaluation, and development of business cases for capital infrastructure improvements.

Responsibilities

Conduct site surveys and collect technical, operational, utility, and cost data to establish project baselines and identify client needs.
Analyze facility infrastructure, utility systems, and operating conditions to identify energy, water, and operational improvement opportunities.
Perform feasibility studies and technical evaluations for utility modernization and energy efficiency solutions.
Develop project scopes, engineering assumptions, savings calculations, and investment-grade cost estimates.
Prepare technical recommendations, project economics, and supporting documentation for client proposals and decision-making.
Lead design engineering activities for approved projects, ensuring technical quality and alignment with project objectives.
Coordinate internal and external engineering resources to deliver design work on schedule and within scope.
Manage engineering support for project implementation, including design-build coordination, technical reviews, and integration of applicable incentives or funding opportunities.