Field Service Technician I, II, III (Karnes City, TX Area)

Job Title

Field Service Technician I, II, III (Karnes City, TX Area)

Job Description

Position Summary:

Reporting to the Field Service Supervisor, the Field Service Technician responds as necessary to provide major maintenance and repairs on natural gas compression rental fleet equipment within the assigned region. This position partners with manufacturing and field service teams to satisfy customer needs by addressing mechanical and electrical issues during installations, maintenance cycles and repairs as needed. They will champion service excellence, HSE policies and standards, and drive continuous improvement. Field Levels are based on applicants’ years of experience and expertise.

Schedule & On-Call:

Standard: Monday-Friday

Overtime: Regularly available; average 50 plus hours per week

*All hours are subject to change based on client needs*

Required On-Call Rotation: (24/7 availability for emergencies)

Weekend Work: Occasional planned maintenance or emergency / on-call coverage

Who we are:

Natural Gas Services Group, Inc. (NYSE: NGS) is a leading provider of natural gas and electric compression equipment, technology and services to the energy industry. We were founded in 1998 and are headquartered in Midland, TX, with executive offices in Southlake, Texas, an assembly facility located in Tulsa, Oklahoma, and service facilities located in major oil and gas producing basins in the United States.

We rent, design, sell, install, service and maintain compressors and related equipment for our customers’ oil and gas production and processing facilities, generally using equipment from OEM suppliers along with limited in-house assembly.   With total fleet horsepower exceeding 500,000 HP (units ranging from 50HP to 2500HP), NGSG is trusted by top producers to keep their operations running efficiently.

Publicly traded since 2002 and listed on the New York Stock Exchange in 2008, we are proud to combine innovation, stability, and a deep commitment to our team and the energy industry. 

 Essential Job Functions:

• Champion and enforce all health, safety, and environmental (HSE) policies and initiatives.
• Perform skilled tasks including all levels of maintenance, repairs, and overhauls as directed by supervisory personnel.
• Troubleshoot and diagnose all levels of natural gas compressor system failures.
• Optimize compression equipment performance.
• Stay abreast of advanced natural gas compressor and engine theory and maintenance.
• Comply with all company and customer safety and environmental policies and procedures.
• Comply with all other company policies and procedures.
• Complete appropriate paperwork as directed.
• Perform duties as trainer when required.
• Continually hone and develop electronic and computer skills.
• Demonstrate and further develop leadership skills.
• Present a professional image.
• Perform other related duties as assigned.

The above description is intended to describe the general content and requirements of this position. It is not an exhaustive list of all duties, responsibilities, or qualifications associated with the role. Duties and responsibilities may be subject to change based on the needs of the company. 

Minimum Requirements:

• Must be authorized to work in the U.S.
• The ability to understand and adhere to all job requirements and safety guidelines

• Valid driver’s license with an acceptable Motor Vehicle Record.

• Employment for this role is contingent upon the successful completion of a pre-employment background check, drug screening, and MVR check in accordance with company policy and applicable laws and requires a DOT physical.

Preferred Qualifications:

 Experience

• Experience as a shop mechanic or field service technician.
• General mechanical troubleshooting and repair skills.
• Working knowledge of oil and gas industry, including gas compression sector.
• High school diploma (or GED equivalent)
• Strong interpersonal and communication skills for effective interaction with teams, vendors, and personnel.
• Positive, “can-do” attitude with strong work ethic and the ability to work independently.
• Effective time-management skills and demonstrated ethical behavior.

Physical Requirements & Work Environment

This role is performed in a field environment and requires the ability to perform the essential functions of the job with or without reasonable accommodation, including:

• Standing, walking, bending, and working on your feet for extended periods (up to 10 hours per shift). 
• The position involves frequent physical labor, including lifting and carrying heavy items up to 50 pounds. Candidates must be able to safely handle these tasks and perform additional physical duties as needed to support field operations. 
• Performing physical activities requiring use of arms, legs, and full-body movement (e.g., uneven surfaces, stand/sit long periods of time, bending, stooping, hard surfaces, climbing, balancing, kneeling, and crouching). 
• Having sufficient visual acuity to read diagrams, identify wire markings, measure components, and inspect assemblies for quality and accuracy. 
• Wearing required PPE, which may include safety glasses, gloves, hearing protection, and steel-toed boots.
• This role requires regular travel to and from field locations, often in varied and sometimes inclement weather conditions.

Our Benefits:

At NGSG, we take care of our people. We offer a comprehensive benefits package that supports your health, financial well-being, and work-life balance, including:

• Health Insurance – including a plan with 100% company-paid premiums
• Dental and Vision Insurance
• FSA & HSA Options
• Telemedicine access
• 401(k) Plan – with 50% company match up to 6%
• Company-Paid Life and AD&D Insurance
• Company-Paid Short-Term and Long-Term Disability
• Paid Time Off – vacation, sick time, and paid holidays
• Generous Referral Bonus Program
• Uniform and boots reimbursement

Why NGSG?

• Industry leader with over 25 years of experience
• Competitive benefits and compensation
• Fastest-growing rental compression company
• Best equipment in the industry
• Only compressor rental company with a proprietary compressor brand
• NYSE-listed with a strong financial foundation
• Collaborative, inclusive, mission-driven culture
• Opportunities to grow and contribute to meaningful work in the energy sector

Equal Employment

Natural Gas Services Group, Inc., is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic under applicable law. If you have a disability and need an accommodation during the application and hiring process, please contact our HR department at hr@ngsgi.com. Please do not email us your resume. Applications will only be accepted via the link in the posting.

At-Will Employment

Employment with Natural Gas Services Group, Inc., is at-will, meaning either the employee or the company may terminate the employment relationship at any time, with or without cause or notice. This job posting does not constitute an employment contract.

Privacy Notice:

By submitting your application to Natural Gas Services Group, Inc., you agree that we may collect and use your personal information, including contact details, resume, education, and employment history—to assess your qualifications and communicate with you throughout the hiring process. We may also collect data from your device, professional profiles (e.g., LinkedIn), and third-party providers with your consent.

Your information may be shared with internal hiring teams and authorized service providers but will not be sold or used for targeted advertising. We take appropriate measures to protect your data and retain it only as long as necessary. To opt out of future job notifications or for more information, contact us at hr@ngsgi.com. NGSG complies with applicable data protection laws, including CCPA and GDPR, as required.