Salary
$47k – $66k per year (gross)
Location
In office (Singapore)
Experience
4+ years exp
Employment
Contractor
First seen by Alion on Oct 2, 2026.
Overview
Company
Impact
Profile match
Company Profile Opensource Pte Ltd, headquartered in Singapore, operates as a private limited company. The primary thrust of our enterprise centers on the realm of IT infrastructure.
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.
- 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.
Skills
TCP/IP, Fortinet, Troubleshooting Procedures, CCNP, Infrastructure Migrations, Technical Project Leadership, Aruba Wireless, Cloud Infrastructure, Cisco Routers, Troubleshoot Lan Problems, LAN/WAN management, Implementation Support, IT Project Implementation, Security Solutions, Deployment, Firewall Management
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