Mechanical Compressor Specialist

AP4 Technical Services is seeking a Mechanical Compressor Specialist

From routine maintenance to urgent intervention, AP4 delivers turbine, control and excitation parts and services that keep your power plant operating safely, efficiently and without interruption. Our specialists work across legacy and modern systems to diagnose issues quickly, extend asset life and minimize downtime – whether you need a single critical component or a fully integrated service solution. With deep technical expertise and a responsive support model, AP4 helps you stay online, on schedule and in control, no matter what challenges arise. We are currently seeking a qualified Mechanical Compressor Specialist to join our team!

What will you do?

The Mechanical Compressor Specialist is a hands-on field role focused on the mechanical installation, alignment, commissioning, troubleshooting, and startup support of compressors and associated rotating equipment critical to LNG liquefaction processes. You will work as part of integrated supervisory and craft teams to help keep projects on schedule and to the highest safety and quality standards.
 

Essential Duties

• Perform and/or supervise mechanical installation, assembly, alignment, and commissioning of compressors (centrifugal, reciprocating, or process compressors as applicable) and related rotating equipment on LNG plant      projects.
• Execute precision laser alignment, coupling installation, and mechanical integrity checks on compressor trains and associated equipment.
• Support commissioning and startup activities for rotating equipment, including pre-commissioning checks, functional testing, and performance verification.
• Collaborate with mechanical, piping, electrical, I&C, and project management teams to coordinate work scopes, resolve field issues, and maintain schedule.
• Ensure strict adherence to safety protocols, quality standards, OEM procedures, and customer/site requirements on active construction sites.
• Troubleshoot mechanical issues during installation and early operations phases; document findings and recommend corrective actions.
• Provide technical guidance to craft labor and support owner’s engineer or supervisory scopes as needed.
• Maintain accurate daily reports, alignment records, and turnover documentation.
• Act with integrity in all work, reporting, and timekeeping. 
• Follow all safety rules and promote AP4 safety policies
• And perform other duties as assigned.

Knowledge, Skills, and Abilities

Required

• Significant hands-on experience with mechanical installation, alignment, and commissioning of industrial compressors or rotating equipment in power generation, oil & gas, refining, or LNG environments.
• Proven experience with precision alignment techniques (laser alignment preferred) and rotating equipment best practices.
• Strong understanding of mechanical systems associated with compressors (foundations, piping interfaces, lubrication systems, couplings, seals, etc.).
• Ability to work effectively on active construction/installation sites, including outdoor and industrial environments. 
• Commitment to safety, quality, and schedule performance. 
• Willingness to work in Port Arthur, Texas area on customer LNG plant projects (project-based field assignment).
• Clear written and verbal communication.
• Ability to handle a wide range of duties accurately and quickly under time-sensitive deadlines.
• English proficiency required.
   

Preferred

• Direct experience on LNG liquefaction plants, gas processing facilities, or large process compressor installations.
• Familiarity with gas turbine or centerline installation practices and balance-of-plant rotating equipment.
• Prior supervisory or lead technician experience on installation or commissioning crews.
• Relevant technical certifications or OEM training on compressors/rotating equipment.
• Experience coordinating with multi-discipline teams (mechanical, piping, I&C, commissioning)

Education and Experience

• Bachelor’s degree in mechanical, electrical, or related engineering discipline preferred. Will consider years of experience in combination with education. 

• Minimum 10 years of progressive experience in heavy industrial construction, preferably in power generation, LNG, or oil and gas projects.
 

Why you will love working for AP4!

• Medical, dental, prescription and vision coverage available on your first day of employment!
• Life insurance up to two times your annual salary.
• Health Savings Account Employer Contribution of $1500 for individuals or $3000 for families who enroll in a high-deductible health plan.
• Telehealth benefits.
• Matching 401(k) plan.
• Competitive paid time off plan and 10 paid holidays.