Manager, Network Infrastructure & Operations

Job description

​We are hiring a skilled Network Infrastructure & Operations Manager to oversee the strategic and hands-on management of enterprise-wide networking systems. The ideal candidate will be responsible for maintaining secure, scalable, and high-performing network environments that support both day-to-day operations and long-term business growth. This is a leadership role requiring strong technical capabilities, process-driven thinking, and the ability to guide teams and manage cross-functional collaboration.

RESPONSIBILITIES:

Strategic Infrastructure Management

• Lead planning, implementation, and continuous improvement of network services across production, test, and backup environments.

• Define and execute lifecycle strategies for network equipment, ensuring components remain current, secure, and supportable.

• Establish proactive renewal schedules for certificates and credentials across all network devices.

Operational Continuity & Resilience

• Develop robust disaster recovery strategies and business continuity processes focused on network infrastructure.

• Conduct regular failover and recovery drills to validate standby systems and fail-safe mechanisms.

• Ensure network data protection through consistent backup processes and periodic verification.

Issue Resolution & Support

• Provide expert-level troubleshooting for network-related incidents and ensure resolution within defined SLAs.

• Analyze incident trends, identify underlying causes, and implement corrective actions to avoid repeat failures.

Security & Compliance Oversight

• Apply network hardening best practices including patching, firewall rule management, and intrusion prevention techniques.

• Monitor system vulnerabilities and address potential risks in accordance with corporate security protocols.

Capacity & Network Optimization

• Monitor bandwidth usage and hardware performance; optimize configurations to meet evolving business demands.

• Forecast future network needs and initiate scaling efforts accordingly.

Team & Process Leadership

• Supervise and mentor a team of network engineers, setting clear objectives and ensuring timely delivery of responsibilities.

• Design operational workflows and enforce compliance with internal governance and regulatory standards.

Configuration & Asset Control

• Maintain an accurate and up-to-date inventory of network systems and documentation for audits and upgrades.

• Track configuration changes and system states using centralized management tools.

Deployment & Change Governance

• Coordinate the rollout of infrastructure upgrades and changes, adhering to structured change control frameworks.

• Collaborate with stakeholders to ensure seamless deployment of network enhancements with minimal disruption.

Project Participation

• Partner with internal teams and external vendors to deliver infrastructure components for IT and business-led projects.

• Lead implementation efforts for network refreshes, expansion, or platform transitions.

Documentation & Reporting

• Author technical documentation, SOPs, and network diagrams to support operational transparency and continuity.

• Provide performance and incident reporting to support executive decision-making.

REQUIREMENTS:

• Experience in network and security equipment such as Firewalls, Intrusion Detection systems, Routers, Switches, Load Balancer, VPN, DNS

• CCNA, CCNP, MCSE, CCSA, CCSE

• At least 6 years in network infrastructure roles, with experience in leading teams and managing complex enterprise systems.

Please contact Sheralynn Tjioe at SheralynnT@charterhouse.com.sg for a confidential discussion.

Reg. No. R1878306

EA License no.: 16S8066

Only successful candidates will be notified.