Senior Project Engineer

Mantis Innovation

Senior Project Engineer designing utility and infrastructure improvements for Mantis Innovation’s managed facility services clients. Leading assessments, feasibility studies, project economics, and engineering delivery.

Posted 8/21/2026full-timeDenver • Colorado • 🇺🇸 United StatesSenior💰 $120,000 - $140,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in utility system modernization and energy efficiency, with strong capabilities in project management, technical analysis, and client coordination. Proficient in developing project scopes, conducting feasibility studies, and delivering high-quality engineering solutions.

Highest-signal resume keywords

Utility System ModernizationEnergy Efficiency SolutionsProject ManagementTechnical AnalysisFinancial Analysis

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Engineering DesignFeasibility StudiesSavings CalculationsLifecycle Cost AnalysisROI EvaluationTechnical EvaluationsProject ScopingData CollectionInfrastructure AnalysisCost Estimation

Soft Skills

Client CoordinationTeam CollaborationIndependent ManagementCommunicationProblem Solving

Tools & Technologies

HVAC SystemsMechanical SystemsUtility SystemsDesign-Build CoordinationTechnical Reviews

Certifications & Qualifications

PE LicenseCertified Energy ManagerLEED AP Credential

Industry Keywords

Utility ImprovementsInfrastructure ProjectsEnergy AnalysisOperational ImprovementCommercial Projects

About the role

Key responsibilities & impact

Help clients identify, design, and implement utility and infrastructure improvements.
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.
Travel to client sites for assessments, inspections, and project meetings, including occasional overnight travel.

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 (for office-based employees)
Professional development opportunities