Network Manager - #1129378
Quess
Network Manager – Data Center & ISP Infrastructure
Our client are expanding their network and data center capabilities and are seeking an experienced Network Manager to lead the design, implementation, and operations of our world-class data center and ISP network infrastructure.
About the Role
As the Network Manager, you’ll take ownership of network architecture across structured cabling, routing & switching, and ISP/BGP operations. This role combines strategic planning with hands-on engineering work, ensuring the network consistently delivers top-tier performance, reliability, and availability.
You will lead a team of Network Engineers while collaborating closely with cross-functional teams to support customer needs, new technologies, and future infrastructure growth.
Key Responsibilities:
Customer Provisioning & Technical Support
Oversee provisioning of customer network orders and cross-connect circuits.
Perform end-to-end testing and maintain accurate diagrams, records, and service documentation.
Network Planning & Architecture
Assess current and future capacity and performance requirements.
Design scalable, redundant, high-availability network architectures.
Develop structured cabling systems (Cat 6A, OM4, OS2) and produce detailed schematics and capacity plans.
Cabling Infrastructure Management
Lead installation, termination, certification, and labeling for copper and fiber systems.
Maintain proper cable management, inventory, pathways, and documentation.
ISP & BGP Network Operations
Design and manage BGP architecture for upstream transit and downstream customers.
Manage AS numbers, IP allocations, IX peering, and routing security (RPKI, ROA, MANRS).
Optimize routing for performance, redundancy, and cost efficiency.
Network Operations & Security
Deploy and maintain routers, switches, firewalls, load balancers, and network appliances.
Ensure best-practice configurations and LAN/WAN integration.
Implement firewalls, ACLs, segmentation, IDS/IPS, encryption, and ISO-aligned controls.
Monitoring, Performance & Capacity Planning
Monitor network utilization, latency, and faults using tools like MRTG, PRTG, SolarWinds, etc.
Forecast growth trends and recommend upgrades to support future scalability.
Team Leadership & Collaboration
Lead and mentor a team of network engineers.
Collaborate across operations, systems, facilities, and security teams.
Drive incident troubleshooting and participate in 24/7 escalation as needed.
Governance, Vendor, & Compliance
Maintain all network documentation, SOPs/MOPs/EOPs, diagrams, and IP records.
Manage vendor relationships, budgets, and contract negotiations.
Ensure compliance with regulatory and industry frameworks such as ISO 27001, PCI DSS, OSPAR, IMDA, TIA-942, and BICSI.
What We’re Looking For
Education & Experience
Bachelor’s degree in IT, Computer Engineering, or related field.
5+ years in network design/operations with 3+ years in ISP, IX, Cloud Connect, or Internet Gateway environments.
Hands-on experience with Cisco, Juniper, or Arista in data center or carrier-grade networks.
Familiarity with SDN, NFV, VxLAN, EVPN, and network automation.
Technical Expertise
Strong knowledge of BGP, MPLS, OSPF, IS-IS, IPv4/IPv6, TCP/IP, DNS, DHCP.
Experience with monitoring tools and IP resource management (APNIC, RADb).
Understanding of routing security, traffic engineering, and data center networking.
Core Competencies
Strong leadership, planning, and problem-solving abilities.
Excellent communication skills.
Resilient, adaptable, and capable of managing complex challenges.
Preferred certifications: CCNP/CCIE or JNCIP/JNCIE-SP.
John Koh
Quess Selection & Services
EA Licence Number: 23C2060
Registration ID is R1110099
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