CNC Machine Maintenance Technician

Marvin Engineering Company; Los Angeles (CA); On-site; USD 52,000 - 68,000; Full time

Job summary

The Marvin Group, a defense contractor near Los Angeles, seeks a Machine Maintenance Technician III to troubleshoot, repair, and maintain a range of CNC machine tools in a 100% onsite facility in Inglewood, CA. The role emphasizes expert PM, downtime response, and documentation support with a strong focus on safety and precision.

Responsibilities include diagnosing hydraulics, electronics, and control systems across FANUC and other CNC platforms; developing PM procedures and ensuring equipment

Qualifications

• AS Engineering degree or Advanced Certifications in machine maintenance or equivalent experience.
• Ability to read and interpret part manuals; understand electrical and mechanical schematics.
• Experience with FANUC, Siemens, Mitsubishi, Alan Bradley, and Okuma controls or equivalent.
• Experience with SNK, Niigata, Yama Seiki, Okuma and Mazak CNC machinery or equivalent."],
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Responsibilities

• Install, troubleshoot, repair, and maintain machine tool equipment and controls (FANUC, Allen-Bradley, SNK, Niigata, Yama Seiki, Mazak, Okuma).
• Expert troubleshooting down to component level on hydraulics, electronics, software, electrical, pneumatic, robotic, and mechanical systems.
• Research and repair issues using manuals, docs, and vendor resources; develop PM procedures.
• Identify and replace parts; complete testing procedures and adjustments as needed.
• Complete all planned and preventive procedures; document tasks accurately.
• Develop preventive maintenance procedures with or without manuals.
• Respond with urgency to machine-down conditions; work unsupervised when needed.
• Maintain documentation quality and accuracy for assigned tasks.
• May be assigned tasks outside scope of this description.

Skills

English proficiency

Teamwork

Self-motivated

Analytical math

Reading schematics

Education

AS Engineering degree or Advanced Certifications

Tools

FANUC controls

Siemens controls

Mitsubishi controls

Okuma controls

Electrical test equipment

Job description

Machine Maintenance Technician III (Field Service Technician/Engineers)

Base Salary Range (Inglewood only): $38hr to $49/hr

Inglewood, CA – 100% onsite.

The Marvin Group is a Strategic Partner for Global Alternate Mission Equipment and Sustainment

The Marvin Group, a leading defense contractor, plays a crucial role in the development and manufacturing of various systems for military aerospace and vehicles. Based in Southern California near the Los Angeles International Airport, The Marvin Group consists of Marvin Engineering (MEC), Marvin Test Solutions (MTS) and Marvin Land Systems (MLS). Marvin Engineering designs and produces military Alternate Mission Equipment. Marvin Test Solutions designs and manufactures armament Test Equipment. Marvin Land Systems specializes in the design and build of power and thermal management systems. For over 60 years we have maintained “A Tradition of Excellence”, serving as a trusted source for our unwavering commitment to supporting all branches of the Department of Defense and our global allies. Our collaboration extends across a diverse array of programs and platforms, including major military prime contractors such as Lockheed Martin, Northrop Grumman, and Raytheon.

POSITION SUMMARY:

The Machine Maintenance Technician III is responsible for expert‑level troubleshooting, diagnosis, and repair of a wide range of industrial and CNC machine tools used throughout the facility. This role ensures the reliability and uptime of critical production equipment by performing advanced corrective repairs, completing assigned preventive maintenance tasks, and developing new PM procedures when required.

The Technician III serves as a technical resource for complex mechanical, electrical, hydraulic, pneumatic, electronic, and control‑system issues, supporting both day‑to‑day operations and long‑term equipment health. This position works with minimal supervision and is expected to respond with urgency to machine‑down situations while maintaining accuracy and documentation standards.

ESSENTIAL DUTIES AND RESPONSIBILITIES:

• Install, troubleshoot, repair, and maintain machine tool equipment and controls such as Fanuc, Alan Bradley, SNK, Niigata and Yama Seiki, Mazak, and Okuma.
• Expert troubleshooting and diagnostic skills to component level on hydraulics, electronics, software, electrical, pneumatic, robotic, and mechanical systems.
• Uses machine tool manuals, technical documents, and internal and vendor resources to research and repair machine issues and develop Preventative Maintenance procedures.
• Identify and replace parts as necessary to repair and maintain equipment.
• Develops and completes testing procedures and identify required adjustments of parts/equipment as needed.
• Complete all planned and preventative procedures as assigned.
• Ability to develop Preventive Maintenance procedures with or without the use of tool manuals, technical documents.
• Work based on a sense of urgency with machine down conditions.
• Responsible for the development, implementation, completion, and accuracy of documentation related to assigned tasks.
• May be assigned tasks outside the scope of this job description.

SKILLS AND REQUIREMENTS:

• Maintain awareness and understanding of documents published in the BMS Library, with specific competency of general as well as related field documents.
• AS Engineering degree or Advanced Certifications in newest technology machine maintenance and repair field or equivalent experience.
• Ability to read and interpret part manuals. Complete understanding of electrical and mechanical schematics, assembly instructions and troubleshooting guides.
• Experienced with SNK, Niigata and Yama Seiki, Okuma and Mazak CNC machinery or equivalent technology.
• Experience with FANUC, Siemens, Mitsubishi, Alan Bradley, and Okuma controls or equivalent.
• Experienced with the use of diagnostic/specialty tools used in the troubleshooting & repair of machinery.
• Demonstrated high degree of industrial mechanical, pneumatic, hydraulic, and electrical aptitude and repair abilities.
• Experienced with electrical test equipment, electrical, hydraulic and mechanical systems.
• Reading, writing and analytical math skills at a professional level.
• Self-starter with the ability to work unsupervised.
• Ability to work effectively in a group (Team) environment.
• Advanced written and verbal communication skills; must be able to speak/read/write English.
• Must be willing to have flexible work hours.