IT Systems Engineer

Albemarle; Pasadena (CA); On-site; USD 110,000 - 150,000; Full time

Job summary

Ketjen Corporation is seeking an IT/OT System Engineer to support and maintain OT and Industrial IT systems across manufacturing and research environments, focusing on reliability, security, and performance of PCS, PIMS, LIMS, and analytics platforms.

You will collaborate with Operations, Maintenance, Research & Technology, and application admins to deliver hands-on support, system integration, cybersecurity, and project execution for site OT systems.

Job description

Are you ready to move your career forward and help shape our company’s and customers’ futures?

If you aspire to challenge yourself, work with the best in the industry and join a successful team where you can make a meaningful contribution, then we invite you to join us at Ketjen Corporation, a provider of advanced catalyst solutions to leading producers in the petrochemical, refining, and specialty chemicals industries. Together, we can create a legacy marked by innovation, excitement, and energy.

About Ketjen

Ketjen Corporation is a provider of advanced catalyst solutions to leading producers in the petrochemical, refining, and specialty chemicals industries. Our company is driven by a strong set of core values: curiosity, care, collaboration, humility, accountability, and integrity. These values guide our decisions, shape our culture, and define how we work together to deliver exceptional value to our customers and communities.

About the Role

The IT/OT System Engineer supports and maintains Operational Technology (OT) and Industrial IT systems across manufacturing and research environments. This role is responsible for the administration, monitoring, security, and continuous improvement of Process Control Systems (PCS), Process Information Management Systems (PIMS), Laboratory Information Management Systems (LIMS), laboratory systems, analytics platforms, and the supporting IT/OT infrastructure.

The position plays a critical role in ensuring the reliability, security, and performance of interconnected IT and OT environments. Working closely with Operations, Maintenance, Research & Technology, and application administrators, the IT/OT System Engineer provides hands‑on technical support, infrastructure administration, system integration, cybersecurity support, and project execution for site‑based OT systems.

KEY RESPONSIBILITIES

Infrastructure & Cybersecurity

• Ensure compliance with Ketjen IT/OT cybersecurity policies, standards, and procedures.
• Maintain OT infrastructure documentation, including system architecture, network topology, asset inventories, and data flow diagrams.
• Support the administration of virtualized environments, including host servers, hypervisors, and virtual machines.
• Manage OT network infrastructure including switches, routers, firewalls, and secure network segmentation.
• Coordinate backup, recovery, and disaster recovery processes for OT environments.
• Install, maintain, and support OT hardware, software, and cybersecurity solutions.
• Maintain endpoint management and anti‑virus solutions across OT networks.
• Develop and maintain technical documentation, operating procedures, and support guides.

Systems Administration & Support

• Administer and support PCS, PIMS, LIMS, laboratory systems, historian systems, and analytics platforms.
• Manage operating system patching and vulnerability remediation activities within OT environments.
• Assist application owners with software upgrades, patch deployment, and ongoing maintenance activities.
• Support database maintenance and system performance monitoring.
• Troubleshoot and resolve issues involving OT infrastructure, applications, interfaces, and network connectivity.
• Maintain and support system integrations, including historian platforms and interfaces between PIMS, LIMS, and related applications.
• Provide Level 1 and Level 2 technical support for OT hardware, software, and network systems.

Network & Asset Management

• Monitor and maintain OT networks to ensure reliability, availability, and security.
• Track network configurations, IP address assignments, and system connectivity.
• Maintain inventories of OT hardware, software licenses, and infrastructure assets.
• Ensure software licensing compliance and support hardware and software asset management processes.
• Assist with implementing secure network architectures and industrial cybersecurity controls.

Project Execution & Continuous Improvement

• Participate in OT infrastructure, system implementation, and digital transformation projects.
• Collaborate with Capital Projects, Maintenance, Operations, Research & Technology, and IT teams to support business initiatives.
• Assist with testing, deployment, and commissioning of new OT and IT solutions.