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