Senior Project Engineer

Mantis Innovation

Senior Project Engineer helping clients design and implement utility and infrastructure improvements. Leading assessments and engineering design for utility modernization and energy efficiency.

Posted 6/26/2026full-timeChicago • Illinois • 🇺🇸 United StatesSenior💰 $120,000 - $150,000 per yearWebsite

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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

Benefits

Comp & perks

Medical
Dental
Vision
FSA
HSA
401k Matching
Paid Vacation
Paid Sick
Paid Holidays
Paid Parental Leave
Paid Short Term & Long Term Disability
Tuition Reimbursement
Flexible hybrid work schedule
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

energy efficiencyutility system modernizationHVAC systemsmechanical systemsfeasibility studiestechnical evaluationssavings calculationsinvestment-grade cost estimatesdesign engineeringlifecycle cost analysis

Soft Skills

independent managementcoordinationclient communicationteam collaborationproject managementtechnical quality assurancedecision-making supportanalytical skillsfinancial analysisbusiness case development

Certifications

PE licenseCertified Energy ManagerLEED AP