Senior Design Engineer - HVAC Systems

Mantis Innovation•San Diego, CA
•$130,000 - $150,000•Hybrid

About The Position

The Senior Design Engineer (Mechanical/HVAC Systems) helps clients identify, design, and implement utility and infrastructure improvements. The role turns complex facility needs into practical projects that improve performance, reliability, and cost efficiency. It leads technical assessments, feasibility analysis, project scoping, and engineering design to support informed investment decisions, delivering accurate project recommendations, strong technical solutions, and engineering support from concept through implementation. The role is performed across office, remote, and client-site settings. Client locations may include industrial facilities, commercial buildings, utility plants, mechanical rooms, construction sites, production areas, and rooftops. Regular local and regional travel is expected, with occasional overnight travel depending on project location and business needs. Work is generally during standard business hours, but flexibility may be needed for client schedules, site access, deadlines, commissioning, or field work outside normal hours.

Requirements

  • 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.
  • Strong financial and economic analysis, including lifecycle cost analysis, ROI evaluation, and development of business cases for capital infrastructure improvements.

Nice To Haves

  • PE license, Certified Energy Manager credential, LEED AP credential, or similar professional certification.

Responsibilities

  • 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 assigned site surveys, feasibility studies, and investment-grade cost estimates by committed deadlines while minimizing material rework.
  • Develop technical scopes, project economics, and engineering recommendations that support qualified project opportunities.
  • Collaborate constructively with clients, internal teams, and project partners and reliably follow through on commitments.

Benefits

  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Flexible spending account (FSA)
  • Health savings account (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
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service