Senior Design Engineer – HVAC

Mantis Innovation

. Conduct site surveys and collect technical, operational, utility, and cost data to establish project baselines and identify client needs .

Posted 9/24/2026full-timeDenver • Colorado • United StatesSenior💰 $130,000 - $150,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in utility system modernization and energy efficiency project delivery, with strong capabilities in technical analysis, project scope development, and client collaboration. Proficient in managing engineering resources and ensuring project alignment with economic objectives.

Highest-signal resume keywords

Utility System ModernizationEnergy Efficiency SolutionsTechnical AnalysisProject Scope DevelopmentClient Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Feasibility StudiesSavings CalculationsInvestment-Grade Cost EstimatesTechnical RecommendationsEngineering AssumptionsLifecycle Cost AnalysisROI EvaluationDesign EngineeringHVAC SystemsMechanical Systems

Soft Skills

Positive CollaborationReliable CommunicationIndependent Management

Certifications & Qualifications

PE LicenseCertified Energy ManagerLEED AP

Industry Keywords

Infrastructure ProjectsUtility SystemsEnergy Improvement OpportunitiesProject EconomicsDesign-Build Coordination

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
Complete 95% of assigned site surveys, feasibility studies, and investment-grade cost estimates by committed deadlines, with less than 5% requiring material rework
Develop technical scopes, project economics, and engineering recommendations contributing to at least $5M annually in qualified project opportunities
Collaborate positively and respond reliably to clients, internal teams, and project partners
Work across office, remote, and client-site settings; perform regular local and regional travel and occasional overnight travel
Accommodate client schedules, site access restrictions, project deadlines, commissioning activities, or field work outside normal business hours when necessary

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
Preferred: 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
Ability to travel to and move throughout client facilities, including climbing stairs or ladders, navigating uneven surfaces, bending, reaching, and accessing confined or restricted equipment areas
Ability to wear personal protective equipment, high-visibility clothing, and safety footwear as required by site policies

Benefits

Comp & perks

Medical insurance
Dental insurance
Vision insurance
FSA
HSA
401(k) matching
Paid vacation
Paid sick leave
Paid holidays
Paid parental leave
Paid short-term and long-term disability
Tuition reimbursement
Flexible hybrid work schedule (for office-based employees)
Professional development opportunities