Posted 25 July, 2026
Network Engineer
The Citco Group Limited
Cork, Cork, Ireland
Full Time
Reference: 1924483199
Job Description
Network Engineer
Join a global leader in financial services administration and help architect the infrastructure powering $3 trillion in assets under administration. In this role, you'll drive innovation across Citco's network infrastructure while collaborating with a talented team of 15,000+ professionals across 50+ office locations worldwide.
You'll be joining a dynamic and collaborative Network team of 15 talented professionals - comprising an 11-strong Network Support team, led by your direct manager, working closely alongside a dedicated team of 4 Network Engineers managed separately. Together, both teams form a close-knit, high-performing unit that drives Citco's global network operations.
You'll have the opportunity to:
Network Engineer
Join a global leader in financial services administration and help architect the infrastructure powering $3 trillion in assets under administration. In this role, you'll drive innovation across Citco's network infrastructure while collaborating with a talented team of 15,000+ professionals across 50+ office locations worldwide.
You'll be joining a dynamic and collaborative Network team of 15 talented professionals - comprising an 11-strong Network Support team, led by your direct manager, working closely alongside a dedicated team of 4 Network Engineers managed separately. Together, both teams form a close-knit, high-performing unit that drives Citco's global network operations.
You'll have the opportunity to:
- Design and optimize network solutions supporting five strategically positioned datacenters
- Work with leading cloud platforms including AWS, Azure, and GCP to modernize our infrastructure
- Shape the future of Citco's technology landscape and directly impact our global operations
- Develop your expertise within a majority independently-owned organization that prioritizes agility, leadership, and client-focused innovation
- Thrive within a collaborative environment where both teams work in close partnership, fostering knowledge sharing and continuous improvement
- Technical Requirements
- Must haves: Strong knowledge and experience in the following areas and technologies:
- TCP/IP protocols (TCP, UDP, FTP, GRE, IPsec, etc.)
- OSPF multi-area.
- BGP v4 (iBGP and eBGP).
- Cisco routers, branch office to datacenter grade
- Meraki and Catalyst switches
- Cisco Nexus switches
- Vmware Velocloud SDWAN.
- IPsec site-to-site VPNs, and remote access VPNs using Ivanti and Palo Alto Global Protect.
- Firewalling, access lists, protocol inspection.
- Palo Alto firewalls and their administration using Panorama.
- LAN switching, Spanning Tree protocol, VLANs, dot1Q trunking, LACP port-channels, vPC, VSS.
- QOS on the LAN and WAN.
- Load balancing traffic across server farms, load balancing algorithms, health probes.
- F5 load balancers (F5 Big IP) or other load-balancer platforms.
- Wide area network circuits and services (MetroE, MPLS, etc.)
- Clear understanding and proven experience on implementing network hardware redundancy.
- Desired Technical Skills:
- Solarwinds experience
- Dynamic routing interaction with ISPs using BGP.
- Clear understanding of how network monitoring using ICMP and SNMP.
- Operational experience with TACACS+/Radius authentication systems (Cisco ISE).
- Experience with Netflow analysis and using Netflow collectors.
- Basic user level knowledge of Linux operating systems.
- Basic knowledge of cloud computing and cloud networking
- Education, Qualifications & Experience
- College or university degree (preferably) in an Information Technology field.
- Knowledge of the company and Network Operations experience in the financial sector
- Key Competencies Required
- Fluent in English (written and spoken);
- Sound judgment, problem solving and analytical skills;
- Ability to multitask;
- Result oriented approach to work;
- Ability to analyse, consolidate and present information;
- High level of accuracy and attention to details;
- Effective organizational skills;
- Strong written and verbal communication skills;
- Communication and presentation skills;
- Coaching and developing others;