Senior Engineer

ExcelliSearch, Inc.; Oklahoma City (OK); On-site; USD 110,000 - 150,000; Full time

Job summary

ExcelliSearch, Inc. seeks a Senior HVAC Product Development Engineer to lead design, optimization, and sustaining engineering of residential and commercial HVAC products.

You will manage end-to-end NPD projects, ensure agency compliance, and provide cross-functional expertise across manufacturing, sales, quality, and supply chain. The role emphasizes technical leadership, DOE/DoE data analysis, and hands-on lab testing with a focus on delivering market-ready HVAC solutions.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field; MS preferred.
• 10+ years of product design and project engineering experience; proven track record releasing two product families.
• EPA Section 608 Refrigerant Certification (Universal) is a plus.

Responsibilities

• Design, optimize, and qualify residential and commercial HVAC systems using simulation tools, analytics, and experiments.
• Lead NPD projects, track timelines, costs, and KPIs across full product lifecycle.
• Lead product qualification programs and interface with regulatory/testing agencies for compliance.
• Provide guidance to manufacturing, supply chain, quality, and sales/marketing teams as SME.
• Prepare BOMs, engineering drawings, PCNs, and present designs to internal/external stakeholders.
• Mentor engineers, drive data analysis, and apply DFSS/DFMA principles.

Skills

Technical Leadership & Judgment

Communication & Collaboration

Business Acumen

Adaptability

Education

Bachelor's degree in Mechanical Engineering or related field

Master's degree (MS) preferred

Tools

HVAC simulation tools

Microsoft Office Suite

Programming languages

Database/MRP software

Job description

Position Overview

We are seeking a Senior HVAC Product Development Engineer to lead the design, optimization, and sustaining engineering of our residential and commercial HVAC product families. In this technical leadership role, you will manage end-to-end New Product Development (NPD) projects, drive agency compliance, and provide cross-functional expertise across manufacturing, sales, quality, and supply chain teams.

Key Responsibilities

• Product Development & Engineering: Design, optimize, and qualify residential and commercial HVAC systems using advanced simulation tools, analytical methods, and experimental techniques.

• Project Leadership: Manage individual NPD projects and special engineering requests across the full product lifecycle, tracking project timelines, costs, and key performance indicators (KPIs).

• Qualification & Compliance: Lead product qualification programs and interface with regulatory and testing agencies to maintain full industry compliance.

• Cross-Functional Support: Serve as a technical subject matter expert providing guidance to manufacturing, supply chain, quality, and sales/marketing teams.

• Documentation & Technical Execution: Prepare bills of materials (BOMs), engineering drawings, product change notifications (PCNs), and present technical designs to internal stakeholders and external clients.

• Mentorship & Process Improvement: Guide less experienced engineers, lead data analysis initiatives, and apply Design for Six Sigma (DFSS) and Design for Manufacturing and Assembly (DFMA) principles.

Education & Experience

• Education: Bachelor’s degree in Mechanical Engineering or a related field required; Master’s degree (MS) preferred.

• Experience: 10+ years of product design and project engineering experience preferred, with a proven track record of successfully releasing at least two product families.

Technical Expertise

• In-depth knowledge of residential/commercial HVAC system design, component integration, and system interactions.

• Proficiency in thermodynamics, fluid mechanics, heat transfer, heat exchanger design, aeroacoustics, and structural analysis.

• Experience with controls, sequence of operations, and electrical wiring.

• Hands-on laboratory testing expertise, including data acquisition, instrumentation, calibration, Design of Experiments (DoE), and uncertainty analysis.

• Expert understanding of NPD processes, DFSS, DFMA, and industry compliance standards.

Software & Tools

• Proficient in state-of-the-art HVAC simulation tools and Microsoft Office Suite.

• Familiarity with computer programming languages and database/MRP software.

Certifications & Licensing

• EPA Section 608 Refrigerant Certification (Universal) is a plus.

Core Competencies

• Technical Leadership & Judgment: Strong analytical and problem-solving skills; ability to translate complex conceptual designs into tangible, market-ready solutions.

• Communication & Collaboration: Excellent written and verbal communication skills to effectively represent Engineering in cross-functional activities and guide project teams.

• Business Acumen: Ability to align engineering solutions with customer needs, market strategies, and supply chain dynamics.

• Adaptability: Open to new ideas, flexible in fast-paced environments, and dedicated to continuous professional development.