06 - Operations Maintenance Technician

Req ID: 141246 
Region: Americas 
Country: USA 
State/Province: California 
City: Fremont 

General Overview

Functional Area: ENG - Engineering
Career Stream: FAC - Facilities/Real Estate Engineering
Role: Technical Support 3
SAP Short Name: TS3
Job Title: Facilities Technical Support 3
Job Code: TS3-ENG-FAC
Job Level: Band 06
Profile-Holding: N
Direct/Indirect Indicator: Indirect

Summary

The Operations Maintenance Technician works with substantial latitude to support high-level manufacturing equipment and critical facility infrastructure. Working with minimal direction, this role requires independent judgment, discretionary problem-solving, and strong technical initiative. Incumbents lead preventive and corrective maintenance (PM/DM) efforts across advanced plant equipment—including complex multi-axis CNC machine tools, automated pallet systems, and general production machinery. The position troubleshoots electromechanical, servo, and pneumatic/hydraulic systems, manages technical data, and coordinates with external contractors and engineering teams to maximize uptime, geometric precision, and facility reliability.

Detailed Description

Key Responsibilities
• CNC & Production Machinery Support: Perform complex troubleshooting, failure analysis, drive/servo tuning, mechanical alignment, and repair on plant CNC machine tools, including:
o 5-Axis & Multi-Axis Machining Centers: DMG MORI 5-Axis machining centers and DMG MORI DMC systems integrated with Fastems flexible manufacturing automation.
o Horizontal & Vertical Machining Centers: Niigata SPN 50, Niigata SPN 40, Niigata 501, and Fanuc RoboDrills.
o Turning Centers / Lathes: Haas Lathes and Hitachi Seiki Lathes.
• Automation & Cell Systems Maintenance: Maintain and repair automated material/pallet handling systems (e.g., Fastems FMS automation) attached to CNC cell configurations to ensure uninterrupted production cycles.
• Engineering & Prototype Support: Perform complex testing, debug, circuit modifications, and design verification on production machinery and custom tooling using schematics, hydraulic/pneumatic prints, and engineering drawings.
• Facilities & Equipment Maintenance: Coordinate and support the installation, maintenance, repair, and modification of building operating systems, manufacturing layouts, and facility infrastructure.
• Technical Leadership & Escalation: Function as a senior technical Subject Matter Expert (SME) for equipment failure root-cause analysis, providing technical guidance, training, and task leadership to junior maintenance personnel.
• Vendor & Project Coordination: Interface with OEM service engineers (DMG MORI, Niigata, Haas, Fanuc, Fastems, etc.), suppliers, contractors, and engineering leads to coordinate overhauls, machine rebuilds, geometric alignment checks, and facility renovations.
• Quality & Compliance: Maintain compliance with safety standards, environmental management systems (e.g., ISO 14001), and regulatory requirements. Accurately document test data, machine maintenance logs, work orders, and failure reports.

Knowledge/Skills/Competencies

Required Knowledge, Skills, and Competencies

CNC Machine Expertise: In-depth knowledge of CNC mechanical assemblies, ball screws, linear guides, high-speed spindles, tool changers, way covers, rotary tables, and chip conveyor systems.
Machine-Specific Systems Familiarity: Hands-on maintenance experience with DMG MORI 5-Axis machines, DMG MORI DMC / Fastems FMS automation cells, Niigata horizontal machining centers (SPN 50 / SPN 40 / 501), Fanuc RoboDrills, Haas Lathes, and Hitachi Seiki Lathes.
Control Systems & Electronics: Proficiency troubleshooting CNC controls and drive architectures (Fanuc, Siemens, Heidenhain, or Mitsubishi), including AC/DC servo systems, encoder feedback loops, PLC ladder logic, and spindle drives.
Precision Measurement & Calibration: Ability to verify machine geometry and alignment using indicators, laser alignment tools, or ballbar testing systems.
Diagnostic & Technical Abilities: Exceptional root-cause failure analysis skills using electrical schematics, ladder diagrams, hydraulic/pneumatic schematics, CAD drawings, and specialized diagnostic instruments.
Systems & Software: Proficiency in computer literacy (MS Office Suite) and Computerized Maintenance Management Systems (CMMS) for preventive maintenance scheduling and work order execution.
Project & Team Leadership: Strong project management skills with the ability to lead tasks, interface with internal and external stakeholders, and maintain high productivity under tight timelines.
Equipment Operation: Ability to operate high-lift equipment, pallet jacks, and specialized facility/manufacturing machinery (with valid operator licenses or certifications where required).

Typical Qualifications

Experience: 4 to 6 years of relevant experience in industrial machinery maintenance, electro-mechanical repair, CNC machine tool maintenance, or facility support.

Preferred / Required Certifications

Academic: A.A.S. in Mechatronics, Industrial Maintenance, Automated Systems Technology, or equivalent combination of education and hands-on technical experience.
Trade / Specialty: Journeyman Electrician license OR Certified PLC/Automation Specialist.
OEM Training: Factory maintenance certification/training for Fanuc, Siemens, DMG MORI, Haas, or Fastems automation systems.
Industry Standards: NIMS Industrial Technology Maintenance OR CMRT (SMRP Certified Maintenance & Reliability Technician).

Software & Technical Skills

CMMS Proficiency: Experience using enterprise or cloud CMMS platforms (e.g., SAP PM, Maximo, Fiix, MaintainX) for work order tracking, spare parts control, and PM scheduling.
Systems Expertise: Advanced troubleshooting of PLC ladder logic, servo motor replacement, ball screw replacement, hydraulic clamping systems, pneumatic valving, and CNC controller parameter management.

Physical Demands

• Duties of the position are performed in a manufacturing environment with frequent exposure to noise, dust, chemicals, operating machinery, temperature extremes, hazardous substances, etc.
• Duties of the position require periodic light physical effort and exertion including prolonged repetitive motions, sitting in confined workspaces, using tools and equipment, and moving and handling materials.
• Duties may require periodic heavy manual effort including lifting objects over 20 pounds.

Typical Experience

• Four to six years of relevant experience

Typical Education

• Additional courses after High School, or an equivalent combination of education and experience.
• Educational requirements may vary by geography.

Notes

This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.

Celestica 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, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws. 
This policy applies to hiring, promotion, discharge, pay, fringe benefits, job training, classification, referral and other aspects of employment and also states that retaliation against a person who files a charge of discrimination, participates in a discrimination proceeding, or otherwise opposes an unlawful employment practice will not be tolerated. All information will be kept confidential according to EEO guidelines.
Celestica is an E-Verify employer.

COMPANY OVERVIEW:

Celestica, Inc. (NYSE: CLS; TSX: CLS) is a technology leader dedicated to driving customer success and market advancements. With deep expertise in design, engineering, manufacturing, supply chain, and platform solutions, Celestica enables critical data center infrastructure for AI, cloud, and hybrid cloud and advances technologies in high-growth markets. With a talented team and a strategic global network, Celestica helps its customers achieve competitive advantages.

Today, Celestica delivers innovative supply chain solutions globally to customers in strategic two operating and reporting segments: Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CC):

ATS: This segment serves customers in complex, regulated and high-reliability markets such as Industrial & Smart Energy, Aerospace & Defense, Semiconductor Capital Equipment, and HealthTech. It is engineering led, with deep expertise in design, manufacturing and lifecycle solutions.

CCS: This segment focuses on high-performance technology solutions and services for the data center, serving hyperscalers, digital native customers and enterprises. Celestica's Platform Solutions offering provides innovative and customizable computing, storage and networking solutions enabling AI-driven growth.

Built on a legacy of trust and performance, Celestica has earned its reputation by delivering results in complex and fast-changing markets. Celestica exceeds customer expectations by identifying trends and staying ahead of the curve. Backed by comprehensive capabilities and a global network across North America, Europe and Asia, Celestica helps customers gain competitive advantage with the quality, flexibility and resiliency they need to respond quickly to shifts in demand. Guided by a bold vision to accelerate market advancements, Celestica delivers innovative solutions and technologies that turn complexity into opportunity. Anchored in teamwork and commitment, Celestica strives to be the most trusted partner to its customers and colleagues worldwide.

Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.