Senior Project Engineer

Mantis Innovation

Senior Project Engineer at Mantis Innovation identifying and implementing utility and infrastructure improvements. Leading technical assessments and delivering engineering support throughout project implementation.

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

About the role

Key responsibilities & impact

Complete 95% of assigned site surveys, feasibility studies, and investment-grade cost estimates by the committed deadline, with less than 5% requiring material rework due to engineering errors or omissions.
Develop and deliver technical scopes, project economics, and engineering recommendations that contribute to at least $5 million annually in qualified project opportunities approved for proposal or implementation.
Demonstrate a consistently positive attitude, strong collaboration, and reliable responsiveness with clients, internal teams, and project partners, as evidenced by constructive stakeholder feedback and dependable follow-through on commitments.
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.

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

site surveysfeasibility studiescost estimatestechnical scopesengineering recommendationsenergy efficiency solutionssavings calculationsdesign engineeringtechnical reviewslifecycle cost analysis

Soft Skills

collaborationresponsivenessstakeholder feedbackfollow-throughindependent management

Certifications

PE licenseCertified Energy ManagerLEED AP