IT System Support Analyst

Chevron; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A global energy company is seeking an IT System Support Analyst located on Jurong Island, Singapore. The role involves maintaining critical operational systems within Process Control Networks (PCN), deploying and supporting PCN sysadmin solutions, and collaborating with various teams. Candidates should have a Bachelor's degree in a relevant field and at least 3 years of experience in IT/OT systems infrastructure. Excellent troubleshooting skills and a strong understanding of cybersecurity are essential. Relocation will not be considered.

Qualifications

• Minimum of 3 years of experience in IT/OT systems infrastructure within industrial or manufacturing environments.
• Proven experience supporting and maintaining OT systems such as DCS, PLCs, SCADA, and lab systems.
• Strong understanding of Process Control Networks (PCN), cybersecurity principles, and IT/OT convergence.

Responsibilities

• Perform regular file archival and purge as necessary.
• Troubleshoot, monitor applications as well as applying server and workstation patches regularly.
• Conduct performance tuning, problem resolution, and security administration.

Skills

Troubleshooting

Analytical skills

Collaboration

Communication

Education

Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field

Tools

SAP

OSI PI

Industrial cybersecurity tools

Job description

Chevron is accepting online applications for the position of IT System Support Analyst located on Jurong Island, Singapore through 31 January 2026 at 11:59 p.m. (SGT).

All interested applicants, please read the Data Privacy Notice before submitting application.

The IT System Support Analyst is a safety sensitive position that specializes in Process Control Network (PCN) systems with accountability for maintaining the site’s critical operational systems within the PCN, Able to deploy, implement, and support a variety of PCN sysadmin solutions.

IT System Support Analyst will implement and support systems, various advanced process control applications and a variety of other APC applications to improve margins in the Business Unit.

The IT System Support Analyst collaborates with site Network Administrator, Process Control Engineer, Control Analyst, I&E teams, and vendors to implement changes to PCN, PLC and Scada systems.

This position provides technical support to local operations personnel in the ongoing maintenance and administration of systems including cybersecurity, information and risk compliance, software license management, and software patch management. Supports new projects as well as maintenance of existing systems.

Responsibilities

• Perform regular file archival and purge as necessary. Creates, changes, and deletes user accounts & groups per request
• Grants and removes access to server and related resources
• Responsible for troubleshooting, monitoring applications as well as applying server and workstation patches on a regular basis
• Conducts performance tuning, problem resolution, storage administration, security administration, capacity planning, and policy administration
• Performs daily system monitoring, verifying the integrity and availability of all hardware, host and VM server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs, experience with hyper-converged platforms
• Support, administration and troubleshooting of hardware, operating systems, and software for PCN/Demilitarized Zone (DMZ) Servers and Workstations. This includes working on domain controllers, Human Machine Interface (HMI) workstations, Input/output (IO) Servers, Engineering Stations, Historian and PI Servers, SIS and PCS controllers, Data Storage servers, dedicated backup utility servers and any other third-party machines
• Working on system builds as per company’s standards, patch management, virus protection, SIEM, system monitoring and backup and recovery management
• Working on maintaining IP compliance of all equipment in PCN and DMZ by adhering/implementing company’s Information Risk Standards
• Maintaining up to date inventory as per company’s standards
• Management of all software licenses installed on equipment in PCN and DMZ
• Monitor reliability and health of PCN and DMZ equipment in the form of daily checks.
• Identify problems and implement corrective actions.
• Support and integrate IT standards into the PCN environment
• Supervise and control all vendor’s activities related to systems/subsystems during their visit to the facility
• Works closely with the Maintenance, Operations, Process Teams, BU in performing RCFA (Root Cause Failure Analysis), LCCA (Life Cycle Cost Analysis) and asset management improvement and training as needed

Job Requirements

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field.
• Minimum of 3 years of experience in IT/OT systems infrastructure within industrial or manufacturing environments.
• Proven experience supporting and maintaining OT systems such as DCS, PLCs, SCADA, and lab systems.
• Strong understanding of Process Control Networks (PCN), cybersecurity principles, and IT/OT convergence.
• Proficiency in infrastructure technologies, including cloud platforms, networking, and process automation systems.
• Proven experience in SAP and OSI PI is required.
• Excellent troubleshooting, analytical, and problem-solving skills.
• Strong communication and collaboration skills, with the ability to work across multidisciplinary teams.

Preferred Qualifications

• Professional certifications such as GICSP, CISSP, ISA/IEC 62443, or comparable credentials are highly desirable.
• Experience with IT/OT standards and architecture.
• Familiarity with vendor coordination and service provider management in industrial settings.
• Experience with industrial cybersecurity tools and monitoring platforms.
• Demonstrated ability to develop and execute Business Continuity Plans (BCP) and Disaster Recovery Plans (DRP).
• Experience working in hazardous or regulated environments, with knowledge of safety and compliance standards.
• Prior professional experience in Power BI, and Python will be advantageous.

Relocation Options

Relocation will not be considered within Chevron parameters.

International Considerations

Selected candidate will be based in Singapore under the local payroll system and benefits.