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ENFRA

Mechanical Engineer, PE III

ENFRA

. Sign and seal engineering documents and oversee technical quality .

Posted 10/7/2026full-timeCreve Coeur • Missouri • United StatesSeniorLead💰 $134,430 - $201,923 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in mechanical system design and applications, with a strong focus on energy savings and project management. Capable of leading multidisciplinary teams while providing technical oversight and mentoring junior engineers.

Highest-signal resume keywords
Professional Engineer (PE) LicenseMechanical System DesignProject ManagementLeadershipClient Management

ATS Keywords

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Applicant Tracking System Keywords

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

Hard Skills
Engineering Document SigningComplex Mechanical Systems DesignSystem Configuration DevelopmentControl Scheme Development3D Laser Scanning ReviewField Investigation SupervisionBudget ManagementSchedule ManagementTechnical Quality OversightEnergy Savings Strategies
Soft Skills
LeadershipDecision-MakingAdvanced CommunicationMentoringClient Engagement
Certifications & Qualifications
Bachelor's Degree in EngineeringMaster's Degree in Engineering (Preferred)
Industry Keywords
Energy-as-a-Service InfrastructureMultidisciplinary Team LeadershipTechnical OversightField SurveyingSite Visit Planning

About the role

Key responsibilities & impact
  • Sign and seal engineering documents and oversee technical quality
  • Lead the design and execution of complex mechanical systems and large-scale projects
  • Develop detailed system configurations and control schemes focused on long-term energy savings
  • Establish engineering approaches, design standards, and best practices
  • Provide technical oversight and review junior staff work
  • Manage discipline scope, schedules, and budgets
  • Supervise field investigation and site visit planning
  • Review plans for 3D laser scanning efforts
  • Coordinate with clients, stakeholders, and external partners
  • Work independently with broad authority
  • Resolve complex technical and project challenges
  • Mentor and develop junior engineers and designers
  • Support client relationships through technical input, proposals, and client engagement

Requirements

What you’ll need
  • Bachelor's degree in architectural engineering, mechanical engineering, or related field
  • 10+ years of design experience
  • Professional Engineer (PE) License
  • Expert knowledge of mechanical system design and applications
  • Strong leadership, project management, and decision-making capabilities
  • Demonstrated ability to lead multidisciplinary teams
  • Advanced communication and client management skills
  • Preferred: Master's degree in Engineering
  • Preferred: Experience managing large or program-level projects
  • Preferred: Experience in energy-as-a-service infrastructure delivery models
  • Ability to perform prolonged office work at a desk and computer
  • Ability to ascend and descend stairs, ladders, ramps, and possibly scaffolding
  • Ability to conduct field surveys in loud environments, extreme temperatures, and/or elevated locations
  • Ability to perform repetitive motions involving wrists, hands, and/or fingers
  • Ability to travel to job sites
  • Ability to adjust or move objects up to 20 pounds

Benefits

Comp & perks
  • 10–25% travel to job sites
  • Equal Opportunity Employer
  • Participation in the e-Verify program