{"id":1219762,"url":"https://alion.io/job/citco-network-engineer","title":"Network Engineer","company":{"id":1907202,"name":"Citco","domain":"citco.com","url":"https://alion.io/company/citco","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":null},"role":"Networking","role_family":"Networking","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cork, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"GCP","optional":false},{"name":"Linux","optional":false},{"name":"MPLS","optional":false},{"name":"OSPF","optional":false},{"name":"TCP/IP","optional":false},{"name":"VMWare","optional":false}],"status":"live","first_seen_at":"2026-07-23T08:52:29Z","employer_posted_date":"2026-07-23","last_verified_at":"2026-09-26T22:10:57Z","board_verified":true,"closed_at":null,"days_open":65,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":65},"description":"Network Engineer\nJoin 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.\nYou'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.\nYou'll have the opportunity to:\nDesign and optimize network solutions supporting five strategically positioned datacenters\nWork with leading cloud platforms including AWS, Azure, and GCP to modernize our infrastructure\nShape the future of Citco's technology landscape and directly impact our global operations\nDevelop your expertise within a majority independently-owned organization that prioritizes agility, leadership, and client-focused innovation\nThrive within a collaborative environment where both teams work in close partnership, fostering knowledge sharing and continuous improvement\nTechnical Requirements\n\nMust haves: Strong knowledge and experience in the following areas and technologies:\nTCP/IP protocols (TCP, UDP, FTP, GRE, IPsec, etc.)\n\nOSPF multi-area.\n\nBGP v4 (iBGP and eBGP).\n\nCisco routers, branch office to datacenter grade\n\nMeraki and Catalyst switches\n\nCisco Nexus switches\n\nVmware Velocloud SDWAN.\n\nIPsec site-to-site VPNs, and remote access VPNs using Ivanti and Palo Alto Global Protect.\n\nFirewalling, access lists, protocol inspection.\n\nPalo Alto firewalls and their administration using Panorama.\n\nLAN switching, Spanning Tree protocol, VLANs, dot1Q trunking, LACP port-channels, vPC, VSS.\n\nQOS on the LAN and WAN.\n\nLoad balancing traffic across server farms, load balancing algorithms, health probes.\n\nF5 load balancers (F5 Big IP) or other load-balancer platforms.\n\nWide area network circuits and services (MetroE, MPLS, etc.)\n\nClear understanding and proven experience on implementing network hardware redundancy.\n\nDesired Technical Skills:\nSolarwinds experience\n\nDynamic routing interaction with ISPs using BGP.\n\nClear understanding of how network monitoring using ICMP and SNMP.\n\nOperational experience with TACACS+/Radius authentication systems (Cisco ISE).\n\nExperience with Netflow analysis and using Netflow collectors.\n\nBasic user level knowledge of Linux operating systems.\n\nBasic knowledge of cloud computing and cloud networking\n\nEducation, Qualifications & Experience\n\nCollege or university degree (preferably) in an Information Technology field.\n\nKnowledge of the company and Network Operations experiencein the financial sector\n\nKey Competencies Required\n\nFluent in English (written and spoken);\n\nSound judgment, problem solving and analytical skills;\n\nAbility to multitask;\n\nResult oriented approach to work;\n\nAbility to analyse, consolidate and present information;\n\nHigh level of accuracy and attention to details;\n\nEffective organizational skills;\n\nStrong written and verbal communication skills;\n\nCommunication and presentation skills;\n\nCoaching and developing others;","description_format":"text","description_chars":3322,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":4,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Custody & Fund Administration"],"lifecycle":[{"event":"open","at":"2026-09-25T11:41:52Z"}],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.305,"p_room":0.35,"age_days":64,"expected_fill_days":21,"reasons":["conf:3","win:tail","comp:brand"],"computed_at":"2026-09-26T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/citco-network-engineer","json_url":"https://alion.io/job/citco-network-engineer.json","meta":{"generated_at":"2026-09-27T00:27:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":412,"day_limit":5000,"remaining_today":4588,"minute_limit":60,"resets_at":"2026-09-28T00:00:00Z"}}}