Cybersecurity Operations Engineer (DSC/JH)

ST ENGINEERING INFO-SECURITY PTE. LTD.; Singapore; Hybrid; SGD 60,000 - 80,000; Full time

Job summary

A leading cybersecurity firm in Singapore is seeking a Cybersecurity Operations Engineer to manage and secure its enterprise infrastructure, including firewalls, networks, and servers. The role requires at least 3 years of IT operations experience and involves system hardening, patch management, and using various security tools. Candidates should have problem-solving skills and experience with cloud infrastructure security. On-site and remote work flexibility is available.

Qualifications

• 3+ years of experience in IT operations.
• Experience in designing and maintaining security solutions.
• Familiarity with cloud infrastructure security (AWS, Azure, GCP).

Responsibilities

• Lead day-to-day SIEM interactions.
• Manage and maintain enterprise firewalls.
• Automate processes with scripts.

Skills

Incident Management

Problem Management

Communication Skills

Problem-solving

Tools

Splunk

Nagios

SolarWinds

Python

Ansible

Job description

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, perform 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 process and workflows with scripts and programs using scripting skills
• Create technical documentation including SOP’s 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 verse in Windows AD Management
• Plus point: Knowledge of ITIL frameworks and best practices for IT service management.
• Plus point: ISMS 27001 audit knowledge.
• Plus point: Familiarity with cloud security and firewalls (e.g., AWS Security Groups, Azure NSGs).
• Plus point: 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