Network Engineer

R SYSTEMS (SINGAPORE) PTE LIMITED; Singapore; On-site; SGD 60,000 - 120,000; Full time

Job summary

R SYSTEMS (SINGAPORE) PTE LIMITED is seeking a Network Engineer to oversee day-to-day network operations, security infrastructure, and ongoing projects. The role involves hands-on management of firewalls, switches, load balancers, and VPN solutions, with emphasis on uptime, performance, and collaborative problem-solving across vendors and teams.

The ideal candidate will have at least 3 years of network experience, familiarity with NAC and cloud aspects (AWS), and the ability to document changes

Qualifications

• Minimum 3 years relevant Network experience.
• Knowledge of Aruba Clearpass (NAC).
• Experience in firewall, switches, and load balancers.

Responsibilities

• Provide BAU day to day operation support
• Handle projects assigned by managers
• Manage and maintain the network infrastructure
• Monitor the network performance to ensure availability and reliability
• Support network related service requests
• Collaborate with cross-functional teams to troubleshoot and resolve outages
• Design and implement new network solutions and improve efficiency
• Update network documentation and diagrams

Job description

Experience:

• Responsible for day-to-day Operation and administration of network and security infrastructure.
• Experience in firewall, switches, routers, proxy, load balancers, NAC, Wireless, remote access (VPN)
• Knowledge in managing Alcatel switches, Aruba Wireless Controllers, Palo Alto firewall, Network Access Control, RSA, F5 VPN, Alteon Load Balancers.
• Knowledge in SDWAN and VxLAN
• Knowledge in Cloud infrastructure (AWS) will be an advantage.
• Experience in handling network projects.
• Minimum 3 years relevant Network experience.

Responsibilities:

• Provide BAU day to day operation support
• Handle projects assigned by managers
• Manage and maintain the network infrastructure
• Monitor the network performance (bandwidth usage, health of network equipment etc.) to ensure network availability and reliability.
• Support network related service requests
• Proficient in analyzing and optimizing network performance
• Collaborate with cross-functional teams, including vendors or business partners to troubleshoot and resolve network outages, ensuring minimal downtime and service disruption.
• Implement innovative or automation solution
• Provide standby support of network related issues
• Design and implement new network solutions and improve efficiency of current network infrastructure.
• Involve in Procuring of network equipment and managing subcontractors involved with network installation.
• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure.
• Liaise with vendors and other IT personnel for problem resolution.
• Designing, writing, and updating system documentation, assets, and network diagrams.
• Perform system upgrades including firmware, patches, hot fixes, and security configurations.
• Quickly identify and assess network incidents, troubleshoot issues, and follow established procedures to resolve or elevate problems to higher levels of support as necessary.
• Communicate effectively with stakeholders, service providers, including vendors to provide updates on network status and incident resolutions.
• Maintain a thorough understanding of the network infrastructure, including new equipment and network solutions.
• Continuously learning and stay updated on the latest technology, network monitoring tools, and industry best practices to enhance skills and knowledge.
• Provide artifact when requested for audit purpose
• Update security policy documents (Baseline, Standard, SOE, etc.)
• Update (remove/add/delete/amend) network assets to our inventory system
• Perform wall-to-wall network asset (check network equipment mounted on the network rack)

MANDATORY REQUIREMENTS

• Knowledge of Aruba Clearpass (NAC)
• Experience in firewall, switches, and load balancers.
• Must be able and willing to work after office hrs. If required