Senior Mechanical Engineer

Air Relief LLC; Mayfield (KY); On-site; USD 120,000 - 170,000; Full time

Job summary

Flow Control Group in the United States seeks a Senior Mechanical Engineer specializing in centrifugal compressor design, repair, and analysis. You will lead the analysis and recommend repairs for multi-stage centrifugal air compressors based on field data and disassembled components in the shop.

This role spans the entire product lifecycle, from aerodynamic and rotating assemblies to testing and manufacturing support, with mentorship to junior staff and cross-functional collaboration.

Qualifications

• Bachelor’s degree in mechanical or aerospace engineering.
• 7–10 years of experience in mechanical design with high-speed rotating equipment.
• Proven expertise in centrifugal compressor design, rotor dynamics, and aerodynamic interfaces.
• Proficiency with 3D CAD software including SolidWorks, Geomagic DesignX, and Prophet21.
• Deep understanding of Geometric Dimensioning and Tolerancing per ASME Y14.5.

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 from machinery at customer sites.
• Component Selection: Specify bearings, seals, couplings, and skid materials for high-speed rotating applications.
• Cross-Functional Collaboration: Partner with manufacturing teams to optimize designs for production and assembly.
• Testing & Validation: Define test plans, oversee prototype testing, and analyze data to refine designs.
• Mentorship: Provide technical guidance and mentorship to junior engineering staff.

Skills

High-speed rotating equipment

Turbomachinery

Rotor dynamics

GD&T ASME Y14.5

3D CAD (SolidWorks)

Geomagic DesignX

Prophet21

Education

Bachelor’s degree in mechanical engineering or aerospace engineering

Tools

SolidWorks

Geomagic DesignX

Prophet21

Job description

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 including Ingersoll-Rand, Centac, Cameron, and Cooper. Our design-enhanced aftermarket products include TurboLogix System Controllers, Inlet Guide Vanes, CenLube compressor lubricant, and coolers. With an OSHA-certified, OEM-trained service team, we serve customers worldwide with an extensive inventory of OEM equivalent compressor cores and parts.

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 including Ingersoll-Rand, Centac, Cameron, and Cooper. Our design-enhanced aftermarket products include TurboLogix System Controllers, Inlet Guide Vanes, CenLube compressor lubricant, and coolers. With an OSHA-certified, OEM-trained service team, we serve customers worldwide with an extensive inventory of OEM equivalent compressor cores and parts.

Visit our Website: airrelief.com

Summary

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 job sites.


• 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 3rd-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.

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Why Build a Career with Us?

Everyone’s an Owner of the Company

Because every team member contributes to Flow Control Group’s success, employees share in that success through a broad-based ownership program available across our portfolio companies.

Competitive Benefits

Enjoy a comprehensive benefits package that includes Medical, Dental, and Vision coverage, competitive 401(k) matching, paid time off, holidays, parental leave, wellness resources, and employee referral programs.

The Climb Financial Program

Your financial wellbeing matters. Through Flow Control Group’s Climb Financial Program, employees have access to tools and resources designed to support both immediate needs and long-term goals. Programs may include emergency assistance funds, earned wage access, financial coaching, low-cost loan options, retirement planning resources, and opportunities to build long-term wealth through employee ownership.

Training & Development

FCG University is available to all employees, offering access to more than 80,000 learning courses to help you build new skills and advance your career.

Career Growth Opportunities

With a growing network of brands across North America, Flow Control Group provides opportunities for advancement, cross-functional experience, mentorship, and professional development in a supportive environment where your contributions make an 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 status.