Client-Facing Service Sales Engineer & Bid Estimator

gpac; Tustin (CA); Hybrid; USD 85,000 - 125,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Disability insurance

Supplemental insurance

401(k) retirement plan

Employee ownership opportunity

Paid holidays

Job summary

gpac is seeking a candidate with 3+ years of mechanical/controls estimating or sales experience to directly engage with customers, develop accurate estimates, and help win projects. The role emphasizes bid management, takeoffs, RFI handling, and collaboration with contractors and end users to secure favorable outcomes.

Responsibilities include reviewing plans and specs, developing takeoffs, and evaluating subcontractor pricing while building strong professional relationships to drive project

Qualifications

• 3+ years of relevant experience in mechanical construction, controls, estimating, service sales, or a related field.
• Strong ability to multitask, stay organized, and manage multiple deadlines in a fast-paced environment.
• Excellent written and verbal communication skills with confidence in client interaction and cold calling.
• Proficiency with Microsoft Office, particularly Excel and Outlook, with a collaborative and team-oriented approach.

Responsibilities

• Manage bid opportunities from initial review through proposal, including takeoffs, RFIs, scopes, and estimating
• Review plans, specifications, equipment schedules, and project documents to develop accurate system takeoffs
• Build relationships with general contractors, mechanical contractors, subcontractors, and end users through meetings, job walks, and proactive communication
• Evaluate subcontractor pricing and develop competitive bid strategies based on project requirements, relationships, and market conditions

Skills

Estimating experience

Sales experience

Client meetings

Communication skills

Tools

Microsoft Excel

Microsoft Outlook

Job description

gpac is seeking a candidate with 3+ years of mechanical/controls estimating or sales experience to directly engage with customers, develop accurate estimates, and help win projects. The role emphasizes bid management, takeoffs, RFI handling, and collaboration with contractors and end users to secure favorable outcomes.

Responsibilities include reviewing plans and specs, developing takeoffs, and evaluating subcontractor pricing while building strong professional relationships to drive project