Diamond Peak

Preconstruction Sales Engineer
Mechanical
Permanent Oct 11, 2026

Sales Engineer – Service & Retrofit Projects
Location: Orange County, CA

Position Overview
An established Mechanical Construction organization is seeking a Sales Engineer to support and grow its service and retrofit project pipeline. This role focuses on developing opportunities through both existing client relationships and new business development, with an emphasis on technical solutions for commercial facilities.

Key Responsibilities

  • Drive service-related project opportunities including repairs, equipment replacements, system upgrades, retrofits, and tenant improvement work

  • Identify, pursue, and develop new business while expanding relationships with existing customers

  • Leverage technical knowledge of commercial HVAC systems to align client challenges with effective solutions

  • Engage decision-makers to understand operational needs, budgets, and project objectives

  • Prepare and deliver professional presentations that clearly articulate solution value and differentiation

  • Coordinate and compile project documentation for seamless handoff to operations and project delivery teams

Qualifications & Experience

  • Proven experience in a Sales Engineer or technical sales role within the commercial HVAC or building systems market

  • Demonstrated success selling complex, solution-based offerings

  • Strong ability to build and maintain trusted relationships with owners, executives, and key stakeholders

  • Skilled at translating technical concepts into clear, client-friendly messaging

  • Excellent verbal, written, and presentation skills

  • Solid mechanical or technical foundation with the ability to quickly learn engineering concepts

  • Customer-focused mindset with a consultative sales approach

  • Bachelor’s degree in Engineering, Business, or a technical discipline, or equivalent trade school education

  • Minimum of 5 years of hands-on knowledge working with commercial HVAC systems

  • Experience leading or coordinating with manufacturer reps, consulting engineers, and contractors

  • Understanding of commercial sales cycles and project-based selling

  • Familiarity with building automation, controls, and DDC systems

Compensation

  • Base salary range: $90,000–$120,000

  • Additional incentives include Commission and Profit-Sharing

Benefits

  • Comprehensive medical, dental, and vision coverage with open-network options

  • Employer-matched 401(k)

  • Paid time off

  • Paid holidays