Senior Mechanical Project Engineer

Mantis Innovation

. Conduct site surveys and collect technical, operational, utility, and cost data .

Posted 9/23/2026full-timeUnited StatesSenior💰 $130,000 - $150,000 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 engineering solutions and financial evaluations for infrastructure projects.

Highest-signal resume keywords

Utility System ModernizationEnergy Efficiency SolutionsProject ManagementFinancial AnalysisPE License

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Technical EvaluationsFeasibility StudiesSavings CalculationsInvestment-Grade Cost EstimatesDesign EngineeringLifecycle Cost AnalysisROI EvaluationHVAC SystemsMechanical SystemsInfrastructure Projects

Soft Skills

Client CoordinationTeam CollaborationIndependent ManagementFlexibilityCommunication

Certifications & Qualifications

PE LicenseCertified Energy ManagerLEED AP Credential

Industry Keywords

Utility SystemsEnergy EfficiencyInfrastructure ImprovementsDesign-Build CoordinationTechnical Reviews

About the role

Key responsibilities & impact

Conduct site surveys and collect technical, operational, utility, and cost data
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
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
Help clients identify, design, and implement utility and infrastructure improvements
Deliver engineering support from concept through implementation

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
Ability to travel regularly to client sites, including local and regional travel
Occasional overnight travel may be required
Ability to work in office, remote, and client-site settings
Ability to move throughout client facilities, including climbing stairs or ladders, navigating uneven surfaces, bending, reaching, and accessing confined or restricted equipment areas
Ability to wear PPE, high-visibility clothing, and safety footwear as required by site policies
Flexibility to accommodate client schedules, site access restrictions, project deadlines, commissioning activities, or field work outside normal business hours

Benefits

Comp & perks

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