Network & Security Engineer

OPENSOURCE TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

OPENSOURCE TECHNOLOGIES PTE. LTD. is seeking an experienced network engineer to deliver deployment and implementation support for enterprise IT network services in Singapore.

You will work closely with the Project Manager and Technical Lead to fulfill project deliverables, timelines and technical requirements. You will perform hands-on installation, configuration, integration, implementation, migration and validation of network and security solutions, including LAN/WAN/WLAN environments and a

Qualifications

• Hands-on experience with Cisco, Alcatel, Check Point, Palo Alto and Fortinet technologies.
• Practical experience in implementation and troubleshooting of LAN, WAN and network security infrastructure.
• Hands-on experience with Cisco routers and switches, including configuration and troubleshooting.
• Experience with enterprise firewall configuration, deployment and troubleshooting.
• Knowledge of network routing, switching, VLAN, TCP/IP and network security concepts.

Responsibilities

• Provide deployment and implementation support for customers' Enterprise IT Network Services.
• Collaborate with Project Manager and Technical Lead to meet deliverables, timelines and requirements.
• Perform installations, configuration, integration, migration and validation of network and security solutions.
• Configure, implement and troubleshoot LAN/WAN/WLAN environments.
• Support firewall policy/rule configuration, troubleshooting and implementation activities.
• Troubleshoot network connectivity, routing, switching, firewall and performance-related issues.
• Support monitoring and network appliances (SolarWinds, F5 LTM/GTM) as needed.
• Prepare and update technical documentation including diagrams, procedures and maintenance docs.
• Develop test cases and conduct testing / proof-of-concept for new hardware/software.
• Raise and follow up TAC/support cases with vendors until resolution.
• Support after-office-hours maintenance when required.

Skills

Cisco technology

Alcatel networks

Check Point firewall

Palo Alto firewall

Fortinet/FortiGate

LAN/WAN/WLAN

Firewall configuration

Troubleshooting

Network security concepts

Vendor support (TAC)

Education

CCNA/CCNP certification

Tools

SolarWinds

F5 LTM/GTM

A10

Job description

Job Responsibilities

Provide project deployment and implementation support for customers' Enterprise IT Network Services.

Work closely with the Project Manager and Technical Lead to fulfil project deliverables, timelines and technical requirements.

Perform hands-on installation, configuration, integration, implementation, migration and validation of network and security solutions.

Configure, implement and troubleshoot LAN/WAN/WLAN environments.

Perform hands-on implementation and support involving:Cisco routers and switchesAlcatel network switchesCheck Point firewallsPalo Alto firewallsFortinet / FortiGate firewalls

Support network security solutions and security appliances.

Perform firewall policy/rule configuration, troubleshooting and implementation activities.

Troubleshoot network connectivity, routing, switching, firewall and performance-related issues.

Support network monitoring and network appliances where required, including SolarWinds, F5 LTM/GTM and related technologies.

Support infrastructure migration and upgrade activities.

Prepare and update technical documentation including network diagrams, installation procedures, implementation plans, support documents and preventive maintenance documentation.

Develop test cases and conduct testing / proof-of-concept activities for new hardware and software before deployment.

Perform post-implementation testing and validation.

Raise and follow up TAC/support cases with principal vendors for complex technical issues until resolution.

Support after-office-hours implementation and scheduled maintenance activities when required.

Job Requirements

Hands-on experience in Cisco, Alcatel, Check Point, Palo Alto and Fortinet technologies.

Practical experience in implementation and troubleshooting of LAN, WAN and network security infrastructure.

Hands-on experience with Cisco routers and switches, including configuration and troubleshooting.

Experience with enterprise firewall configuration, deployment and troubleshooting.

Knowledge of network routing, switching, VLAN, TCP/IP and network security concepts.

Experience with F5, Aruba, Cisco ISE, SolarWinds or A10 will be an advantage.

Cloud infrastructure/networking exposure will be an advantage.

Cisco certification such as CCNA / CCNP is preferred.

Good analytical and problem-solving skills.

Good technical documentation and communication skills.

Strong customer service orientation.

Able to work independently as well as in a team-oriented environment.

Able to work flexible hours, especially during scheduled after-office-hours maintenance windows.