Jonathan S. Email & Phone Number

Tokyo, Jp

London, Gb

Entain is one of the world’s largest sports betting groups in the world. The network was made up of an extensive national retail estate comprised of over 4000 locations, in addition to an international network of branch offices with over 30 sites with various network topologies vendors and circuits providers.Recruited as a Network Operations Analyst for Ladbrokes Coral, I worked a 1 in 4 weekly on-call rotation in addition to my contracted BAU hours. While on call I was responsible for providing 24/7 network support for escalated incidents. I provided technical expertise for data centre and corporate network projects, deployments and refreshes.Day-to-day, I was involved in the design and deployment of network infrastructure to data centres, corporate networks and retail estates working with Juniper Cisco Fortinet. I worked with a number of stakeholders to support the Cloud Repatriation of various applications back to an on-premises environment. Designed and deployed a new management network within a core data centre, Worked with SOC on certificate renewals across multiple F5’s in multiple datacenters. Performed a full-audit on a bluecoat infrastructure.Partnered with the DevOps team to build QOS policies on WAN links to improve control of link utilisation while new circuits are procured,Built Python scripts to help standardise 3rd party VPN configurationUsed various automation tools such as Ansible GIT and Python to access and consume a rich data set across the retail estate in the form of a powerful API and subsequently built tools to perform constant monitoring as well as provide key stakeholders with important metrics. Helped complete data centre decommissions, device installations, refreshes and new builds

RFA is a cyber-security focused MSP who offers private cloud facilities among many other services. Its primary client base are hedge funds, private equity funds and investment management firms. As a Network engineer, providing support to mission-critical projects in regulated environments, as well as working alongside an ITIL service desk team as a point of 3rd line escalation through day-to-day network issues. Provided 3rd line support to service desk escalations, with shared responsibility for part of the network engineering team for 600+ financial firms with various network topologies and network infrastructure; Collaborated with design teams to produce network documentation, including detailed diagrams of existing and planned network architectures for key projects; Deployed, implemented and configured next-gen firewall solutions, including Cisco ASA with firepower and Palo Alto; Coordinated with NOC to troubleshoot network issues within business and non-scheduled hours; Supported change control for projects and BAU operations with the service desk team; Identified single points of failure and recovery plans, facilitating capacity and availability in networks;

London, England, Gb

Tullett Prebon is one of the world’s leading inter-dealer brokers (IDBs) constituent of the FTSE250 Index and has a presence in 24 countries across the globe. As a Networking Operations Engineer, I worked as part of a global team of 7 to provide network support to over 3000 users in the NA/EMEA. I provided network support for both front-office and back-office traders as well as developers, with a focus towards maintaining specific day-to-day SLA and KPI requirements. I liaised with clients to determine their network requirements as well as developed and deployed client connectivity solutions within the Tullett Prebon client network . I contributed to weekly regional and global change control meetings in adherence to ITIL standards. I had hands on experience with a Cisco collapsed core architecture (Nexus 7k, 5k 2k), I worked with BGP and OSPF to facilitate connectivity and client access to Tullett products and helped maintain and update configuration as well as documenting troubleshooting guides bespoke to our network, i managed global internet policies and deployment guidelines over various proxy environments. I used packet capture tools such as wireshark and corvil to analyse traffic troubleshoot and improve network connectivity.

New York, Ny, Us

Spire Europe Ltd (Tower Research Capital) is one of US’ and Europe’s largest proprietary trading firms. As a Junior Networking Operations Engineer, responsible for 1st, 2nd and 3rd line support tovarious teams, I engaged with international systems engineers to react and plan forcritical and non-critical network changes. I helped provide network support in response to issues, incidents upgrades and network refreshes. I also worked within a FTS day-to-day support model with international incident response within a global network working to ensure fibre and ultra-low latency microwave circuits were maintained.

North Shields, Tyne And Wear, Gb

• Day to day monitoring of the EastQuayIT infrastructure. • Administering Blackberry Enterprise Server.• Logging incidents.• Troubleshooting/Resolving 1st and 2nd line issues. • Imaging and reimaging user laptops and desktops.• Backing up user data.• Routine datacentre checks. • Administering windows server 2012.• Working in a ITIL environment.• Worked in a Windows 7, Linux. • Helped manage Active Directory,. • Worked with Kerio connect, Kerio operator, Kerio control.

Waterloo, Ontario, Ca

• Monitoring the Blackberry infrastructure using a variety of tools • Resolutions of alerts and incidents which may arise in a timely defined manner and within the agreed Service Level Agreements (SLA’s) thus contributing to minimal customer impact • Performed maintenance changes, tasks and service verification's in the BlackBerry Infrastructure during change windows.• Day to day monitoring and supporting of Cisco routers and Blackberry propriety technology.• Working closely with Linux and Windows administrators in the maintenance • Maintain, update and resolve tickets using Remedy software.• Responsible of Day to day Linux and Unix Administration, troubleshooting and searching of logs within Linux and Windows environment by using tools like grep,sed, awk, etc• Troubleshoot network (VPN, BGP & firewall) related issues reported by carrier, circuit provider or detected by monitoring tools.• Acting as a first point of contact for any Network related problems between the Blackberry NA and EMEA NOC• Worked within a Service provider class Network with additional Cloud, Servers and Storage based Platforms.• Being flexible both as an individual and as part of a team. • Confident when working under pressure with increased responsibility.

London, Gb

• Executed daily task and job roles with a customer focused mentality, helping to maintain high customer standards while dealing with complaints and queries within the cinema. •Utilized good communicative skills while dealing with customers of different nationalities .•Confident when working under pressure due to my leadership experiences gained from playing competitive basketball with the University team as the captain.

Computer And Network Technology Bsc (Hons)

Education record