Senior Mechanical Engineer

Flow Control Group; Mayfield, Northern (KY, KY); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) matching

Paid time off

Employee ownership program

Job summary

Air Relief in Mayfield, KY, seeks a Senior Mechanical Engineer specializing in centrifugal compressor design, repair and analysis. You will lead design and rotor-dynamics work across the product lifecycle, from aerodynamics to testing and manufacturing support.

Requirements include a BS in mechanical or aerospace engineering and 7–10 years in high-speed rotating equipment. Familiarity with SolidWorks, Geomagic DesignX, and Prophet21 is expected.

Qualifications

• Bachelor's degree in mechanical or aerospace engineering required.
• 7–10 years of mechanical design experience focused on high‑speed rotating equipment or turbomachinery.
• Specialization in centrifugal compressor design and rotor dynamics.
• Experience with ASME Y14.5 GD&T principles.

Responsibilities

• Lead the mechanical design of centrifugal compressors, impellers, casings, and rotor dynamics systems.
• Coordinate acquisition and analysis of spectral vibration data from field machinery.
• Specify bearings, seals, couplings, and materials for high-speed rotating applications.
• Collaborate with manufacturing teams to optimize designs for production and assembly.
• Define test plans, oversee prototype testing, and analyze data to refine designs.
• Provide technical mentorship to junior engineers.

Skills

Centrifugal compressor design

Rotor dynamics

Vibration analysis

SolidWorks

Geomagic DesignX

Prophet21

GD&T ASME Y14.5

Education

Bachelor's degree in mechanical or aerospace engineering

Tools

Prophet21

SolidWorks

Geomagic DesignX

Job description

Job Description

Posted Friday, September 4, 2026 at 4:00 AM

Company: Air Relief

About Us

Air Relief, established in 1985, is the largest global OEM aftermarket supplier of centrifugal air compressor parts and service. We offer comprehensive repairs, parts, and upgrades for leading brands like Ingersoll-Rand®, Centac®, Cameron®, and Cooper®. Our design-enhanced aftermarket products include TurboLogix® System Controllers, Inlet Guide Vanes (IGV), CenLube compressor lubricant, and coolers. With an OSHA-certified, OEM-trained service team, we serve customers worldwide. Trust our extensive inventory of OEM equivalent compressor cores and parts. Join Air Relief and be part of a reputable industry leader.

Visit our Website: airrelief.com

We are an agile, close-knit manufacturing, service and engineering company in Mayfield, Kentucky. We service, repair and rebuild high-performance centrifugal air compressors. Our small team environment means your work directly impacts our products and success.

Position Overview

We are seeking a Senior Mechanical Engineer specializing in centrifugal compressor design, repair and analysis. You will lead the analysis and recommend repairs for various manufacturers’ multi-stage centrifugal air compressors based on field data and disassembled components in the shop. This role spans the entire product lifecycle, from the aerodynamic, rotating assembly and structural components to testing and manufacturing support.

Key Responsibilities

• Lead Design: Own the mechanical design of centrifugal compressors, impellers, casings, and rotor dynamics systems.
• Vibration Analysis: Coordinate acquisition and analysis of spectral vibration data acquired from machinery at customer jobsites.
• Component Selection: Specify bearings, seals, couplings, and compressor skid materials suitable for high-speed rotating applications.
• Cross-Functional Collaboration: Partner closely with manufacturing teams (internal and 3 rd party) to optimize designs for production and assembly.
• Testing & Validation: Define test plans, oversee prototype testing, and analyze experimental data to refine designs.
• Mentorship: Provide technical guidance and mentorship to junior engineering staff.

Required Qualifications

• Education: Bachelor’s degree in mechanical engineering or aerospace engineering.
• Experience: Minimum of 7–10 years of experience in mechanical design, with a strong focus on high-speed rotating equipment or turbomachinery.
• Specialization: Proven expertise in centrifugal compressor design, aerodynamic interfaces, and rotor dynamics.
• Software Skills: Proficiency with 3D CAD software (SolidWorks), Geomagic DesignX modeling software, and Prophet21 business system software.
• GD&T Expertise: Deep understanding of Geometric Dimensioning and Tolerancing per ASME Y14.5.

Preferred Qualifications

• Master’s degree with a turbomachinery focus.
• ISO or ASNT vibration analysis certification – CAT II or III
• Experience in a small-scale manufacturing or job-shop environment.
• Knowledge of API standards (e.g., API 617) for centrifugal compressors.
• Knowledge and use of coordinate measuring machines for component dimensional checks.

What We Offer

• Comprehensive health, dental, and vision insurance.
• 401(k) matching program.
• Paid time off and holidays.
• A tight-knit, collaborative work culture free of corporate bureaucracy.

Why Build a Career with Us

Everyone’s an Owner of the Company: Because every team member contributes to Flow Control Group’s success, everyone has the benefits of ownership! Flow Control Group has a broad-based employee ownership program extended to every employee within our portfolio companies.

Competitive Benefits: Enjoy an attractive benefits package that includes Medical, Dental and Vision insurance (among other plans), competitive 401(k) matching program, career growth opportunities, employee referral program, paid time off and holidays, as well as parental leave.

Training: FCG University learning and training platform available to all employees offering over 80k courses.

Career Growth Opportunities: At Flow Control Group, we are committed to your professional development. With a vast network of over 100 brands across North America, we provide unparalleled opportunities for growth and advancement. Whether you're just starting your career or looking to take it to the next level, we offer custom training programs, mentorship, and a supportive environment to help you achieve your goals. Join us and be part of a dynamic team where your contributions make a real impact.

Equal Opportunity Employer

Flow Control Group is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or any other legally protected characteristics.

Air Relief, 32 E Powell Road, Mayfield, Kentucky, United States of America