Maintenance Mechanic 4

RTX; San Marcos (TX); On-site; USD 61,000 - 115,000; Full time

Benefits offered by this job

3 weeks paid vacation

Employee Scholar Program

401(k) match

Job summary

Collins Aerospace, an RTX company, is hiring for an onsite maintenance technician in San Marcos, TX. The role involves diagnosing and repairing electrical and mechanical systems, installing high‑voltage equipment, and performing CNC diagnostics on FANUC and Siemens controls. Expect rigorous preventive maintenance and hands‑on training for staff.

Qualifications include a HS diploma and 3+ years of troubleshooting/repair experience, with U.S. citizenship or a Green Card required.

Qualifications

• HS diploma or equivalent in related discipline.
• Minimum of 3 years of relevant experience in troubleshooting and repair.
• U.S. Citizen or Green Card holder.

Responsibilities

• Diagnose, troubleshoot, and repair electrical, mechanical, and equipment issues.
• Install, diagnose, and repair 120/240/480 VAC systems and related instruments.
• Perform internal and external diagnostics on CNC systems (FANUC/Siemens).
• Perform preventive maintenance on production equipment.
• Support wastewater treatment operations and environmental compliance.
• Lead maintenance projects and train staff.

Skills

Electrical troubleshooting

Mechanical repair

Preventive maintenance

Teamwork

English communication

Education

HS diploma or equivalent

Tools

Multimeters

Oscilloscopes

FANUC controls

Siemens controls

PLC/HMI basics

Job description

Date Posted:

2026-09-22

Country:

United States of America

Location:

US-TX-SAN MARCOS-2005 ~ 2005 Technology Wy ~ TECHNOLOGY

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

Joining Collins Aerospace isn’t just about finding a job; it’s about embarking on a journey to redefine the future of aerospace technology.

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

A successful candidate must be able to work to provide the highest level of customer service. We value your skill sets, ideas, and ability for problem solving. The facility utilizes unique equipment during the manufacturing process, demanding a highly skilled Maintenance Department for safe, efficient, and reliable equipment operation. To meet these demands, our team is composed of multi-disciplinary individuals that possess the ability to design, install, maintain, and troubleshoot anything from pneumatic systems to electrical and computer control systems.

Shift Structure

• Monday – Friday, 7A-3:30P

What You Will Do

• Diagnose, troubleshoot, and repair electrical, mechanical, and equipment issues to determine correct methods and tools.
• Perform equipment installation, teardown, repair, reassembly, testing, and part fabrication in compliance with OSHA, NFPA, and shop standards.
• Install, diagnose, and repair 120VAC, 240VAC, and 480VAC single‑and three‑phase systems using multimeters, oscilloscopes, and related instruments.
• Conduct internal and external diagnostics and repairs on multi‑axis CNC systems, including FANUC and Siemens controls.
• Complete preventative maintenance on production equipment.
• Support wastewater treatment operations and environmental compliance.
• Maintain current knowledge of CNC, PLC, HMI, and machine‑control technologies.
• Train personnel on CNC, PLC, HMI, and machine‑interface concepts.
• Lead technical maintenance and equipment‑improvement projects.

Qualifications You Must Have

• Typically requires HS diploma (or equivalent) or vocational/ technical education in related discipline
• Minimum of 3 years of relevant experience in troubleshooting and repair facilities.
• Must be a U.S. Citizen or Green Card holder.

Qualifications We Prefer

• Ability to read, write, and communicate effectively in English.
• Ability to bend, stoop, kneel, stand for 8+ hours, lift 35+ pounds repeatedly, and work at heights or in confined spaces.
• Ability to ascend/descend ladders and wear required PPE (safety glasses, hearing protection, steel‑toe shoes).
• Ability to pass respiratory medical certification.
• Capable of performing basic math including geometry, decimals, and fractions.
• Strong verbal and written communication skills and ability to follow instructions.
• Ability to work in a team environment.
• May be required to work 2nd shift during on‑call rotations.

Additional Perks

• Starting at 3-weeks of paid vacation, with an option to purchase more
• Day-1 access to Employee Scholar Program
• 401 (k) match program
• On-site fitness equipment

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy: pet insurance, home and auto insurance, additional life and accident insurance,critical illnessinsurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child, and elder care services
• Teladoc Medical Experts, second opinion program
• _And more!_

Our Advanced Structures team leverages advanced materials and additive manufacturing to develop complex interior and exterior solutions. These solutions ensure structural integrity of the aircraft, help aircraft take off and land, stay trim in the air, move forward, carry cargo and conduct rescues. We delight our customers with superior products and best‑in‑class service. Our global team is committed to continuous improvement – we work hard to make our solutions lighter‑weight, stronger and more technically advanced, so that plane travel can be safer, more affordable and more sustainable in the years to come. We are looking for the best and brightest to fly and land with us!

The salary range for this role is $61,184 to $115,025 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other – propel us all higher, again and again.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.