Senior Network Administrator

Job Summary:
Role: Senior Network Administrator
Start: ASAP
Duration: 6 months (renewable)
Location: Singapore
As a member of the Infrastructure Shared Services team, the Network Administrator will play a key role in managing, supporting, and maintaining network infrastructure across a global footprint of 600+ remote locations in Europe, Asia, the US, Latin America, and Canada. This role involves both operational support and project-based work, contributing to the deployment and lifecycle management of network and security solutions.
Requirements:
- 3-7 years of experience in infrastructure, with 3-5 years specifically in network administration.
- Strong knowledge of Cisco network products, Palo Alto, and Riverbed.
- Self-motivated and eager to learn.
- Strong analytical and problem-solving skills.
- Customer service-oriented mindset.
- Willingness to travel as needed.
- Team player with the ability to collaborate across departments.
Required Technical Skills:
- Preferably CCNP certified.
- Strong experience in LAN/WAN/WLAN administration and troubleshooting.
- Proficient in routing protocols (BGP, RIP, OSPF, EIGRP).
- Knowledge of LAN technologies (VRRP, VSS, STP).
- Understanding of QoS mechanisms.
- Experience with Wi-Fi controllers and access points.
- Load Balancer administration (Citrix NetScaler).
- Security administration with Palo Alto and Fortinet firewalls, Pulse remote access, and reverse proxy.
- Preferably Palo Alto certified.
Preferred Technical Skills:
- Familiarity with infrastructure solutions (servers, storage).
- Knowledge of ITIL framework.
- Experience with WAN compression and optimization appliances (Riverbed).
- Telephony and voice infrastructure administration (primarily Cisco).
Technical Environment:
- Cisco networking and telephony products.
- Citrix NetScaler (NLB and reverse proxy).
- Palo Alto and Fortinet firewalls, Panorama Central Management.
- Infoblox DNS.
- Riverbed WAN optimization and NetFlow (Cascade).
- SolarWinds monitoring.
- CA Service Desk Manager (ticketing and CMDB).
- SD-WAN (Velocloud).
Primary Responsibilities:
- Maintain and support existing and new network infrastructure and security solutions in accordance with support processes.
- Build, deploy, and administer/manage WAN, LAN, WLAN, and network services (e.g., NLB).
- Assist in the implementation of new network and security infrastructure components.
- Ensure stability, responsiveness, and lifecycle consistency across network platforms and security solutions.
Provide senior-level operational support for:
- Troubleshooting, incident resolution, and problem management.
- Reporting on activity, performance, and quality of network platforms and security solutions.
- Documentation of procedures and support materials.
Secondary Responsibilities:
- Contribute to the evaluation and qualification of new network and security solutions.
- Provide expert recommendations to senior technical teams.
Please send your application highlighting:
- Your relevant experience
- Current/expected salary
- Availability information
- A latest MS-WORD Resume
**We regret that only short-listed applicants will be contacted.**
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