Senior Manager - Network Security (Central Infra Services)

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Date: 20 Jan 2026

Location: SG

Company: Synapxe

Position Overview

The Senior Manager is responsible for overseeing the organization’s network firewall and infrastructure security. This role involves leading a security team in managing and maintaining the organization’s firewall infrastructure to ensure robust network security and protect against unauthorized access. The manager will regularly engage and communicate with senior stakeholders to align security strategies with business objectives. Strong expertise in network security, team leadership, and stakeholder management is essential for success in this position.

This is a 2 years direct contract role.

Role & Responsibilities

  • Implement security operations strategy
    • Contribute to the definition of the overall security strategy
    • Align security operations functions with the organisation’s overall business objectives
    • Advise senior leaders on critical issues that may affect corporate security objectives
    • Advise the design and implementation of security policy and controls
    • Provide expertise on security technologies and innovative security concepts
    • Provide technical and operational oversight for security tool deployment and implementation
  • Operate/Monitor security systems
    • Develop plans for operating/monitoring security systems (e.g. endpoint security tools, firewalls, etc)
    • Guide the identification and measurement of critical security operations metrics
    • Develop detection and alerting rules
    • Review/approve firewall rules
    • Review/approve changes on AV systems
    • Monitor levels of service of the security operations
    • Present periodic status reports to management
  • Security planning, review & compliance
    • Coordinate ongoing reviews of existing security programs/protocols and planned upgrades
    • Monitor compliance to security policies, regulations, rules and norms
    • Participate in reviews/gap analysis of posture and compliance and follow-up with proposed treatment plan
    • Authorised/Unauthorised software installation reviews
    • Drive continuous improvement of security operations
  • Respond to security incidents
    • Set internal guidelines for effective processing and escalation of incidents
    • Review reports on incidents and breaches
    • Develop contingency and disaster recovery plans for specific security incidents
    • Coordinate prioritisation of alarms and resources for incident responses
    • Oversee the development of emergency protocols
    • Recommend systems and procedures for the prevention, detection, containment and correction of security breaches

Requirements

  • At least 15 years' of experience in IT Security
  • Strong knowledge and experience in End User Computing, Server, Network and Security spaces
  • Strong experience in supporting Windows, Linux, Vulnerability scanning tools, Firewalls and WAF
  • Preferable experience in cloud-native security platforms and offerings from AWS or Azure
  • Knowledge of patch management for OS and security products (Firewalls, Windows, Linux)
  • Strong knowledge of endpoint security tools
  • Preferred Knowledge of vulnerability assessment tools and techniques
  • Preferred knowledge in conducting risk assessments
  • Preferred Security/ITIL/Vendor certifications including but not limited to: (Fortinet NSE4, CISSP, CCSP, CEH, ITIL, CCNA-Security)
  • Strong Interpersonal and communication skills
  • Team-player
  • Open to new challenges 

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