Senior Opcenter MES System Administrator

Lumentum•San Jose, CA

About The Position

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long-haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began with a vision to harness the power of photonics has evolved into a global force driving the communication infrastructure of tomorrow. At Lumentum, we’re building more than a business—we’re building a team of passionate innovators whose drive to collaborate, create, and connect the world fuels everything we do. We are part of the AI technology revolution and we are illuminating the path forward. Headquartered in San Jose, California, we operate worldwide through a network of R&D, manufacturing, and sales locations. Role Overview The Senior Opcenter MES System Administrator is responsible for the architecture, administration, optimization, and continuous improvement of the Siemens Opcenter MES platform. This role sits at the intersection of IT and manufacturing operations, ensuring system reliability, scalability, and alignment with business objectives such as operational efficiency, quality, and traceability. You will act as the technical authority for MES, driving system performance, enabling digital manufacturing initiatives, and ensuring seamless integration with enterprise platforms (ERP, PLM, IIoT).

Requirements

Bachelor’s degree in Computer Science, Engineering, or related field
7+ years of experience in MES administration, with hands-on expertise in Siemens Opcenter
Strong understanding of manufacturing processes (discrete or semiconductor preferred)
Experience with system integration (ERP, Teamcenter / Oracle Agile PLM)
Proficiency in SQL, database management (Oracle/SQL Server), and scripting
Experience with Windows/Linux server environments

Nice To Haves

Strategic thinking with strong execution capability
Cross-functional leadership across IT and Operations
Problem-solving and root cause analysis at scale
Strong communication with both technical and business stakeholders
Continuous improvement mindset

Responsibilities

Administer, configure, and maintain Siemens Opcenter MES environments (DEV, TEST, PROD)
Ensure high availability, performance tuning, and system monitoring
Manage system upgrades, patches, and lifecycle management
Implement backup, recovery, and disaster recovery strategies
Design and maintain integrations between Opcenter MES and enterprise systems (e.g., SAP/Oracle ERP, PLM, SCADA, IIoT platforms)
Oversee data flows, APIs, middleware, and message queues
Ensure data integrity, traceability, and real-time visibility across manufacturing processes
Partner with manufacturing, quality, and engineering teams to enhance MES capabilities
Identify opportunities to automate workflows, reduce cycle times, and improve yield
Support smart factory initiatives, including Industry 4.0 and AI-driven analytics
Lead troubleshooting and root cause analysis for MES-related issues
Establish SLAs and KPIs for system uptime and performance
Coordinate with vendors (Siemens) and internal teams for issue resolution