Cybersecurity Operations Engineer

St Engineering; Singapore; Hybrid; SGD 60,000 - 80,000; Full time

Job summary

A leading technology company in Singapore is seeking a Cybersecurity Operations Engineer to manage and secure enterprise infrastructure. This role includes responsibilities such as overseeing SIEM interactions, managing firewalls, and ensuring compliance with security standards. The ideal candidate has over 3 years of experience in IT operations, strong problem-solving skills, and familiarity with various monitoring tools. Opportunities for both on-site and remote work are available.

Qualifications

• 3+ years of experience in IT operations.
• Experience in designing and maintaining security solutions.
• Excellent problem-solving and communication skills.

Responsibilities

• Lead day-to-day SIEM interactions with project team.
• Perform log collector deployment and maintenance.
• Manage enterprise firewalls and network security appliances.
• Conduct regular patch management and vulnerability remediation.
• Automate processes and workflows with scripts.

Skills

IT operations

Incident and Problem Management

Security solutions

Windows systems

Linux systems

System hardening techniques

Infrastructure monitoring tools

Cloud infrastructure security

Problem-solving

Communication skills

Tools

Splunk

Nagios

SolarWinds

Python

Ansible

Job description

Cybersecurity Operations Engineer

Job ID: 20001

Location: ST Engineering Jurong East Bui, SG

Job Summary

We are seeking a Cybersecurity Operations Engineer with a strong focus on infrastructure operations. This role involves managing and securing enterprise infrastructure including firewalls, networks, servers, and monitoring systems. The ideal candidate will have hands‑on experience in system hardening, patch management, and infrastructure security tools.

Key Responsibilities

• Lead primary day‑to‑day SIEM interactions with project team and cybersecurity staff
• Perform SIEM, log collector deployment, configuration, maintenance, upgrades and troubleshooting both on‑premises and on the cloud
• Optimize and streamline the operation and performance
• Manage and maintain enterprise firewalls and network security appliances
• Implement and monitor across servers, networks, and cloud environments
• Perform system hardening and ensure compliance with security standards
• Conduct regular patch management and vulnerability remediation
• Automate frequently used processes and workflows with scripts and programs using scripting skills
• Create technical documentation including SOPs and design documents related to system configurations, processes, and procedures
• Work with external service providers to implement new projects or upgrades
• Participate in incident response and investigations related to infrastructure breaches
• Perform and participate in capacity planning, redundancy planning and execution of Disaster Recovery Plan
• Provide ad hoc on‑site or remote technical support
• Deployment of services / devices at customer sites
• Interface with technical personnel and other teams as required

Qualifications

• 3+ years of experience in IT operations
• Incident and Problem Management skills
• Experience in designing, developing, testing, deploying, and maintaining security solutions
• Familiarity with Windows and Linux systems
• Experience with system hardening techniques and patch management tools
• Proficiency in infrastructure monitoring tools such as Splunk, Nagios, or SolarWinds
• Familiarity with cloud infrastructure security (AWS, Azure, GCP)
• Excellent problem‑solving and communication skills

Preferred Skills

• Experience with scripting or automation tools (e.g., Python, Ansible)
• Prior experience in managing enterprise‑level network infrastructure
• Well versed in Windows AD Management
• Knowledge of ITIL frameworks and best practices for IT service management
• ISMS 27001 audit knowledge
• Familiarity with cloud security and firewalls (e.g., AWS Security Groups, Azure NSGs)
• Experience with SIEM tools and log collection tools

Working Conditions

• The position may require standby and occasional after‑hours support depending on operational needs
• Work will be performed on‑site/remote as per the company policy

Work Location: Ang Mo Kio