About J4 Commercial Services

J4 Commercial Services (J4) is a family-owned equipment service company dedicated to supporting the automotive repair and collision-repair industry. Founded on the principles of integrity, craftsmanship, and doing right by people, J4 has grown from a small, regional operation into a multi-state service provider supporting MSOs (Multi-Shop Operators) across the country.

We specialize in the sales, installation, maintenance, and repair of critical shop equipment, including:

• Air Compressors (rotary screw, vane, reciprocating, scroll)
• Compressed Air Treatment (dryers, filtration, drains)
• Automotive Lifts
• Hose Reels, Accessories, and General Shop Equipment

From our headquarters in Keene, Texas, we serve customers nationwide and currently operate in 14 states, with continued expansion planned to meet the demand of national MSO partners.

Our Culture & Values

J4 is built on a simple philosophy:

Take care of our employees, and they will take care of our customers.

We prioritize:

• Honesty and ethics in every interaction
• Employee safety and well-being
• High-quality workmanship
• Reliable service and communication
• Long-term partnerships with customers and vendors

Every employee—whether in the field, office, warehouse, or leadership—plays a critical role in our success. We operate as one team, united by a shared commitment to professionalism, respect, and continuous improvement.

Our Mission

To provide the most reliable, ethical, and high-quality equipment service experience in the industry while supporting our employees with a culture that values growth, accountability, and integrity.

Our Vision

To become the industry leader in nationwide MSO equipment service by building strong teams, standardizing our systems, and consistently delivering exceptional results for our customers.

J4 Commercial Services is seeking an experienced Air Compressor Service Technician with hands-on expertise in Rotary Screw and Reciprocating air compressors. Experience with Rotary Vane, Scroll Compressors, Medical Air, or Vacuum Pumps is a major plus!

Sign-On Bonus: We are currently offering a sign-on bonus for technicians with a minimum of 2 years’ experience in air compressor service and troubleshooting.

We are a fast-growing, family-owned company with a strong reputation for putting our employees first. Our team is driven by a shared mission: improving the productivity and performance of our clients through expert service and support. If you're passionate about mechanical systems and customer satisfaction, this is the place for you.

What You’ll Do:

• Perform preventative maintenance and routine service on rotary screw and reciprocating air compressors.
• Troubleshoot and repair mechanical and electrical issues.
• Service additional equipment, including automotive lifts, air dryers, and compressed air filtration systems.
• Communicate clearly with customers and our back office regarding job status, parts needed, and follow-up visits.
• Maintain detailed and accurate service records.
• Manage a dynamic schedule within your assigned territory.
• Travel frequently (50%+ expected); most weekends are spent at home, and extended trips rarely exceed two weeks.

What We’re Looking For:

• 2+ years of experience in servicing air compressors (preferred).
• Familiarity with rotary vane, scroll compressors, medical air, or vacuum systems is highly valued.
• Mechanical aptitude and comfort using tools and test equipment.
• Strong troubleshooting skills with both electrical and mechanical systems.
• Excellent communication and time management skills.
• A willingness to travel.
• Experience in facilities maintenance or similar industries is a plus—but we’re willing to train the right candidate.

Why Join J4?

• Competitive pay + sign-on bonus
• Family-owned with a people-first culture
• Opportunities for relocation as we expand across states
• Diverse service offerings and room for growth
• Equal opportunity employer with a commitment to training and certification

Apply today and join a team that takes pride in getting the job done right.
Know someone in another state? We’re expanding and may have opportunities near them too!