Senior Network Engineer — Data Center & Security Lead

Ad Astra Staffing Solutions Private Limited; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Ad Astra Staffing Solutions Private Limited is seeking a Senior Systems Engineer (Networks) to liaise with and manage external vendors, contractors and Market Participants, ensuring robust network and data centre operations. The role requires deep knowledge of routing, security, and network management, with hands-on experience of Cisco/Aruba devices, BGP/OSPF, VPNs, and 24x7 data centre environments.

You will lead projects, drive high availability, and participate in incident response.

Qualifications

• Degree in IT or engineering or equivalent.
• Minimally possess technical network certification (CCNP-Routing and Switching and Data Centre) or higher
• Possess technical network certification (CCIE)
• Possess technical certification (CDCP, CISSP, related certifications preferred)
• Minimum of 5 years experience in supporting, maintaining and implementing Network and/or Data Centre Facilities Management (Cisco/Aruba network devices, Cisco ACI) technical administration and support.
• Excellent understanding of TCP/IP, IPsec, VRRP, HSRP, SNMP, NAT, Multicast, Sub-netting, Ethernet, Access-lists.
• In-depth routing knowledge: BGP, OSPF, EIGRP, ISIS, MPLS.
• Familiar with security devices such as firewalls, WAN optimisers, VPNs and authentication servers.
• Experience with high availability Network Security devices (Checkpoint, Cisco Firepower, Fortinet, Palo).
• Knowledge of DNS, time synchronization, Proxy, F5, Infoblox, RSA.
• Network switch/router configuration, including storage switch configurations.
• Monitor and improve performance & availability; capacity planning.
• Experience with Network Management platforms (MRTG, Cisco ISE, Algosec).
• Vendor management experience (RFQ/RFP, project management).
• Proven track record managing network projects and DRP/BCP awareness.
• ITIL foundation certified.
• Knowledge of data centre facility management (24x7): cabling, power, cooling, security.

Responsibilities

• Liaise with and manage external vendors, contractors and Market Participants.

Job description

Ad Astra Staffing Solutions Private Limited is seeking a Senior Systems Engineer (Networks) to liaise with and manage external vendors, contractors and Market Participants, ensuring robust network and data centre operations. The role requires deep knowledge of routing, security, and network management, with hands-on experience of Cisco/Aruba devices, BGP/OSPF, VPNs, and 24x7 data centre environments.

You will lead projects, drive high availability, and participate in incident response.