Global Network Engineer: Cloud & Data Center Architecture

The Citco Group Limited; Cork; On-site; EUR 60,000 - 90,000; Full time

Job summary

The Citco Group Limited is seeking a Network Engineer to design and optimize Citco's global network across five datacenters. You will work with AWS, Azure, and GCP to modernize infrastructure and support Citco’s assets in a large, distributed environment.

You will join a collaborative Network team and contribute to resilience, security, and performance while staying aligned with business priorities and industry best practices.

Qualifications

• Strong knowledge of TCP/IP protocols (TCP, UDP, FTP, GRE, IPsec, etc.)
• OSPF multi-area experience
• BGP v4 (iBGP/eBGP) experience
• Cisco routers and switching hardware (Meraki/Catalyst/Nexus)
• Velocloud SD-WAN and VPN technologies (IPsec)
• Firewalling and security policy management (Palo Alto/Panorama)
• LAN switching: STP, VLANs, 802.1Q, LACP, vPC/VSS
• QOS, load balancing, WAN optimization, and health probes
• F5 Big-IP or equivalent load balancers; MetroE/MPLS WAN circuits
• Network redundancy implementation and resilience

Responsibilities

• Design and optimize network solutions across multiple datacenters.
• Collaborate with cloud platforms (AWS, Azure, GCP) to modernize infrastructure.
• Influence Citco technology landscape and global operations.
• Develop expertise within a predominantly owner-operated organization.
• Foster knowledge sharing and continuous improvement between teams.

Skills

TCP/IP protocols

OSPF multi-area

BGP v4 (iBGP/eBGP)

Firewalling & security

LAN switching & VLANs

Load balancing

WAN optimization

Netflow analysis

Education

College degree in Information Technology

Tools

Cisco Routers

Meraki

Catalyst switches

Nexus switches

Velocloud SD-WAN

IPsec VPNs

Palo Alto Panorama

F5 Big-IP

MetroE/MPLS

Job description

The Citco Group Limited is seeking a Network Engineer to design and optimize Citco's global network across five datacenters. You will work with AWS, Azure, and GCP to modernize infrastructure and support Citco’s assets in a large, distributed environment.

You will join a collaborative Network team and contribute to resilience, security, and performance while staying aligned with business priorities and industry best practices.