Mechanical Compressor Specialist

AP4 TECHNICAL SERVICES LLC • Port Arthur, TX

6d • Onsite

About The Position

AP4 Technical Services is seeking a hands-on field specialist to perform and support the mechanical installation, alignment, commissioning, troubleshooting, and startup of compressors and associated rotating equipment used in LNG liquefaction processes. The role works with integrated supervisory and craft teams on active customer construction sites in the Port Arthur, Texas area, supporting safe, high-quality work and project schedules. Responsibilities include compressor and rotating-equipment work, commissioning support, field problem-solving, technical guidance, and accurate reporting and turnover documentation. A bachelor’s degree in a related engineering discipline is preferred, with relevant experience considered in combination with education. At least 10 years of progressive heavy industrial construction experience is required.

Requirements

• Significant hands-on experience with mechanical installation, alignment, and commissioning of industrial compressors or rotating equipment in power generation, oil and gas, refining, or LNG environments.
• Proven experience with precision alignment techniques; laser alignment is preferred.
• Strong understanding of compressor mechanical systems, including foundations, piping interfaces, lubrication systems, couplings, and seals.
• Ability to work effectively on active construction and installation sites, including outdoor and industrial environments.
• Commitment to safety, quality, and schedule performance.
• Willingness to work in the Port Arthur, Texas area on customer LNG plant projects in a project-based field assignment.
• Clear written and verbal communication skills.
• Ability to handle a wide range of duties accurately and quickly under time-sensitive deadlines.
• English proficiency.
• Minimum 10 years of progressive experience in heavy industrial construction, preferably in power generation, LNG, or oil and gas projects.

Nice To Haves

• 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 or rotating equipment.
• Experience coordinating with multidisciplinary teams, including mechanical, piping, I&C, and commissioning.
• Bachelor’s degree in mechanical, electrical, or related engineering discipline; years of experience may be considered in combination with education.

Responsibilities

• Perform and/or supervise mechanical installation, assembly, alignment, and commissioning of compressors 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, including pre-commissioning checks, functional testing, and performance verification.
• Coordinate work scopes and resolve field issues with mechanical, piping, electrical, I&C, and project management teams.
• Follow safety protocols, quality standards, OEM procedures, and customer and site requirements.
• Troubleshoot mechanical issues during installation and early operations; 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 work, reporting, and timekeeping; follow safety rules and promote AP4 safety policies.
• Perform other duties as assigned.

Benefits

• Medical, dental, prescription, and vision coverage available on the first day of employment.
• Life insurance up to two times annual salary.
• Health Savings Account employer contribution of $1,500 for individuals or $3,000 for families enrolled in a high-deductible health plan.
• Telehealth benefits.
• Matching 401(k) plan.
• Competitive paid time off plan.
• 10 paid holidays.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed