Network Design Engineer Belfast, United Kingdom 07/03/2020 hos Citi

Belfast, United Kingdom
​​Equities and Securities Services Infrastructure architecture and management team is looking for a Strong Network and Design Engineer with good Networking expertise.
  • Gather business requirements from Application development teams and design high level architecture and systems solution to implement within internal and external datacentres including Colo/Exchange.
  • Partner with datacentre teams including network engineers, systems administrators and database administrators to implement enterprise solutions that meet strategic and global standards.
  • Review new technologies under the guidance of senior leaders and partner with vendors to test new solutions to introduce into the environment and improve competitiveness.
  • Perform due diligence of infrastructure requirements and provide architecture/ technology solutions that are strategic and futuristic. Implement industry best practices and always use production stability and availability as guideline while offering solutions.
  • Interface directly with development leads and engage in initiatives to improve client on boarding and diligence.
  • Work in conjunction with Client on boarding and networking teams to improve time-to-market and engagement and increase revenues.
  • Involve in full life cycle of low latency network from design review, test, deploy, support and proactive analysis.
  • Analysis of abnormal latency situations including problems with Linux applications
  • Partner with Production support teams in troubleshooting back-end application issues, including but not limited to, exchange Gateways, network related problems, exchange and client connectivity issues.
  • Effectively manage day-to-day tasks / activities in coordination with a team of dev leads to meet the deliverables and schedule of a data solution component within a larger application project.
  • Support development community. This includes documenting systems, database and middleware design as well as infrastructure requests, contributing to the delivery and Go Live of application components.
  • Partner with other infra leads across business departments and the wider Citi technology groups to drive quality across the application on boarding and production stability initiatives.
  • Display strong working relationship with technology teams, project management teams and architects/engineers and infrastructure administrators

Experience and Skills
  • A number of years overall experience in Infrastructure solutions architecture and Systems engineering specifically networking
  • An understanding in the financial services and banking industry desirable
  • Experience in Capital Markets Technology, Equities, Securities Services desirable
  • Subject Matter Expertise in infrastructure/ Hardware/ Software/ Database/ Middleware stack
  • Strong knowledge of infrastructure project life cycle including migrations and vendor upgrades
  • Experience in designing based on a wide array of Cutting edge technologies, Optimizing Tech stack for Performance and Standardization, Application Dependencies mapping, Regulatory Risk & Compliance.
  • Experience in writing range of technology physical and logical requirements and, Tech stack Functional Requirements Document, Build document, Dependencies mapping, etc.
  • Experience in driving business results through effective use of technology solutions
  • Exposure to front/middle/back office application stack
  • Orchestrate deployment of network services and systems with CHEF recipes on a public cloud environments is a plus.

CCNA/CCNP/CNA/MCSA/MCSE certified professionals preferred


  • Subject Matter Expertise in supporting high throughput/low latency networking [network/ firewall / storage/ IO /redundancy and compliance]; front, middle and back office applications.
  • Hands on expertise in Networking and Appliances (HP/Dell, Multicast/ 29 west/Solace messaging, NetScaler/F5 gateway load balancers, Cisco/Arista switches/ Juniper firewall)
  • Low latency monitoring (Corvil), Precision time stamping (PTP), Trade Messaging protocols (FIX, SWIFT) – Ascii and Binary protocols.

Some of the following Experience in Technologies would be great:
  • Networking: Cisco Catalyst Series. Arista 7xxx/EOS, Juniper networks,
  • Monitoring: Corvil Appliances /Giga+/Tera, Wireshark; Splunk; EMC SMARTS, ITRS Geneos, Zabbix. SevOne, NetQoS, NetBrain
  • Time Synchronization: GPS, NTP, PPS, PTP, Symmetricom s350, Microsemi TP5000
  • Operating Systems: RedHat Enterprise Linux, Microsoft Windows
  • Database Systems: Oracle, MS SQL Server
  • Messaging Middleware: 29West/ Informatica LBM/Ultra Messaging

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Citi is an equal opportunity and affirmative action employer.
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