Senior In-Situ Machining Technician (Houston)

Wärtsilä; Houston (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Wärtsilä is seeking a Sr. In-Situ Machining Technician to perform advanced machining at customer sites, ensuring adherence to safety, quality, and Wärtsilä standards.

You will travel extensively, lead field activities, mentor junior technicians, and contribute to continuous improvement in service delivery. Strong reading of drawings and diagnostics are essential.

Qualifications

• 5+ years in in-situ machining or field machining in heavy industry.
• Experience machining and reconditioning reciprocating engine components.
• Strong reading of engineering drawings and service manuals.

Responsibilities

• Execute in-situ machining and reconditioning on engine components per Wärtsilä standards and customer requirements.
• Travel to customer sites (land-based and marine) to perform services.
• Lead field machining activities and support project execution with safety and quality focus.
• Collaborate with internal teams and customers to complete projects on time.

Skills

In-situ machining

Field service

Engine components

Reading drawings

Troubleshooting

Education

High school diploma or technical training

Tools

Portable machining equipment

Precision measurement tools

Job description

• Knowledge of Wärtsilä engines and products.

Sr. In-Situ Machining Technician

Business Unit Parts and Field Service is a global organization with harmonized ways of working and tools to deliver the best possible services for our customers. In our global team we value, respect, and embrace different opinions and diversity. Safety, environment, and wellbeing are our foundation, and we never compromise them.

We are now looking for a Sr. In-Situ Machining Technician to join our team working for a better future.

The position is permanent, and the preferred location is Houston, Texas.

What You Will Be Doing?

As a Sr. Machining Technician, you will be responsible for executing advanced in-situ machining and reconditioning activities on reciprocating engine components at customer sites, ensuring all work is performed according to Wärtsilä standards, safety requirements, and customer expectations.

In this role, you will serve as a key member of the In-Situ Machining team, providing technical expertise, supporting less experienced technicians, and contributing to continuous improvement initiatives that enhance operational efficiency, service quality, and safety performance.

This position reports to the Team Leader Resources, In-Situ & Tool Center.

Responsibilities:

• Execute in-situ machining and reconditioning activities on reciprocating engine components in accordance with Wärtsilä standards, procedures, and customer requirements.
• Travel to customer locations, including land-based power plants and marine vessels, to perform machining, repair, and reconditioning services.
• Lead field machining activities and support successful project execution while maintaining high standards of quality, safety, and customer satisfaction.
• Collaborate with internal teams and customers to ensure projects are completed within scope and schedule.
• Maintain, inspect, and ensure operational readiness of machining equipment, tools, and assets.
• Prepare and submit accurate technical reports, inspection records, and customer service documentation in accordance with company requirements.
• Collect and process time sheets, expenses, and service-related documentation accurately and on time.
• Provide technical guidance, coaching, and mentorship to junior technicians and team members.
• Support continuous improvement initiatives by identifying opportunities to improve safety, efficiency, reliability, and service delivery.
• Ensure compliance with Wärtsilä Health, Safety, Quality, and Environmental standards at all times.

Required Qualifications:

• High school diploma, technical certification, or vocational training in Machining, Mechanical Technology, Mechanical Engineering, or a related field.
• 5+ years of experience in in-situ machining, field machining services, or a similar heavy industrial environment.
• Demonstrated experience machining and reconditioning reciprocating engine components.
• Strong knowledge of portable machining equipment, precision measurement tools, and machining techniques.
• Ability to read and interpret engineering drawings, technical specifications, and service manuals.
• Experience troubleshooting machining equipment and resolving technical challenges in the field.
• Experience working independently at customer sites and executing field service projects.
• Strong problem-solving, organizational, and communication skills.
• Commitment to the highest standards of safety and quality.
• Ability and willingness to travel extensively to customer locations.
• Valid driver’s license.
• Proficiency in English, both written and verbal.

Preferred Qualifications

• Experience supporting marine and power generation customers.
• Experience with line boring, laser alignment, optical measurement systems, portable grinding equipment, and in-situ crankshaft machining.
• Experience mentoring, coaching, or training technicians.Knowledge of Wärtsilä engines and products.
• Additional machining or technical certifications.
• Spanish language skills are considered an asset.

As an ideal candidate, we expect you to have:

• High integrity.
• Passion for customer service and technical excellence.
• Strong focus on quality and safety.
• Critical thinking.
• Excellent communication skills (verbal and written) in languages needed to support the team.
• Strong organizational skills and a team player mindset.
• Ability to work effectively with individuals from diverse cultural backgrounds.

Physical & Mental/Reasoning Demands:

• Vision: Close; Distance; Depth.
• Color Perception (Red, Green, Amber).
• Hearing/Listening.
• Clear Speech.
• Touching: Dexterity; Hand; Finger.
• Ability to Mount and Dismount Forklift/Truck.
• Pushing/Pulling/Stoop/Kneel/Crouch or Crawl.
• Lifting: 45 Pounds; 5 Times per shift.
• Carrying: 25 Pounds; 5 Times per shift.
• Driving (local/over the road).
• Bend/Squat/Sit and Stand for a prolonged period of time.
• Climbing / Balance.

Work Environment:

• Works Alone / Works with Others.
• Verbal Contact with Others; Face-to-Face Contact.
• Inside / Outside.
• Extreme Heat / Extreme Cold.
• Noise.
• Mechanical Equipment.
• Electrical Equipment.
• Pressurized Equipment.
• Moving Objects.
• High Places.
• Fumes/Odors.
• Hazardous Materials.
• Dirt/Dust.

Travel Requirements:

This position requires a 75 - 80% travel commitment, encompassing both domestic and international locations, including onshore and offshore sites. The role demands adaptability to varying travel requirements.

Successful applicants must be authorized to work in the US.

Candidates for regular U.S and Puerto Rico positions must be a U.S. citizen, national, or an alien admitted as permanent resident, refugee, asylee with valid work permit or temporary resident under 8 U.S.C. 1160(a) or 1255a(1). Individuals with temporary visas such as E, F-1, H-1, H1B, H-2, L, B, J, or TN or who need sponsorship for work authorization now or in the future, are not eligible for hire.

Last application date: 10/10/2026

Wartsila is committed to Employment Equity, supports diversity in the workplace, and encourages applications from all qualified individuals, including women, members of visible minorities, Indigenous persons, and persons with disabilities.

If you require accommodation during the recruitment process, please let us know, and we will work with you to support your request.

At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.

Please note that according Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.

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