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Work Background
Genius Sports GroupSenior DevOps Engineer
Jul. 2017 - Feb. 2025London, England Metropolitan Area• Migrated on-prem systems to AWS to improve reliability, relieve the burden of hardware and improved scalability. • Migrated apps from static systems to an AWS EKS Kubernetes container orchestration infrastructure. • Designed & built cloud native logging and metric telemetry products such as ELK, Grafana, Prometheus & Alertmanager. • Designed & implemented Gitlab CI/CD auto build & deployment pipelines to ease the developer experience. • Harnessed Terraform IaC code to automate and replicate infrastructure deployments. • Migrated AWS RDS workloads to RDS serverless workloads across AWS accounts.
Genius SportsSenior Linux Engineer
Aug. 2014 - Jul. 2017London Area, United Kingdom• Designed & built high volume enterprise log management system harnessing on-prem Elasticsearch with a through put of 40 million messages a day. • Designed & built high volume enterprise metric management system using on-prem Graphite with a through put of 1.25 billion data points a day. • Designed & built an on-prem clustered RabbitMQ system to act as the organization's default service bus for all applications. • Managed, maintained & installed network infrastructure including brands such as Juniper, F5 & Cisco.
ip.access LtdUnix Administrator
May. 2006 - Mar. 2014Working for a company that develops & manufactures GSM Femtocells. I cover a wide range of responsibilities that center round Unix admin, mainly Linux. My role involves maintaining & commissioning over 50 Debian Linux servers and over 200 RedHat Linux workstations. The role generally evolves around two aspects, supporting and maintaining all Linux users workstations and requirements, the other half entailed general server maintenance and commissioning. Technology All routers and firewalls are Linux based. Iptables for packet filtering and NAT, RIP & OSPF for dynamic routing, QoS & VRRP for redundancy. All VPN servers are Linux utilizing either OpenVPN or IPSec . Maintaining all core services such as public & private DNS, DHCP, NTP, SMTP, LDAP, NIS, NFS & Samba. Switched networks (HP Procurve) with VLAN (IEEE 802.1Q) and spanning tree (802.1D). Windows AD and Exchange 2003. SAN storage (NetApp FSA 2050), CIFS, NFS & iSCSI. Clustering, RedHat Cluster Suite. Selected Achievements - Migrated the companies source code management system (MKS) to A highly available, fault tolerant system using SAN back end storage. Recovery time reduced from days to under 30 minutes utilizing NetApp SnapShot & FlexClone technology.
- Consolidated multiple autonomous release build servers into a RedHat clustered environment. Utilizing shared storage on a clustered file system (GFS) on a SAN back end (NetApp). Development and test environments can be deployed and updated minutes again using NetApp FlexClone technology.
brandid Ltd SystemsNetwork Administrator
Feb. 2002 - Mar. 2006Working for an ISP, responsible for low-level network infrastructure of client facing production systems. Duties included implementing & maintaining high availability, load balancing, business continuity, routing protocols, VPN's, backup/restoration, disaster recovery, clustered file systems, hardware roll out, IP security, layer 7 content filtering and restriction (smtp/spam, http, intrusion detection etc.) IP address allocation, DNS, mail forwarding. Responsible for building the companies first RedHat Linux web cluster which included two load balancers/routers/firewalls which fed multiple SuSE & RedHat Linux web servers & Macromedia Communication Servers which provided video conferencing, real time chat & VOIP services. The whole cluster was spread over two data centres for the sake on high availability, I created many shell scripts which synced data between the web servers such as uploaded files, LDAP authentication database and DNS zone files. I created a shell script on the directors, which provided the IP failover so if one unit went down the other took on the IP's of the failed unit and continued to serve. I was responsible for securing all aspects of the systems including configuring and maintaining firewall policies (Mainly Linux/Iptables). I had to maintain more than one routing table on many of the web servers for failover of the load balancers. I had to setup an alerting/monitoring/logging system using a combination of Zabbix, SNMP & MRTG, which monitored every cluster member, ensuring that the SLA was maintained & alerts where distributed when a failure was detected 24x7. All system builds were documented which was subject to change control, I had to perform upgrades/changes according to change requests and fulfil the change control policy. I was I involved many projects, one of which was the relocation of the entire cluster to another provider/data centres whilst maintaining 100% uptime
TCCI.T. Support Engineer
Jul. 2000 - Feb. 2002Working as a roaming I.T. professional for clients across the UK, maintaining all aspects of small to medium size businesses I.T. systems. Duties varied greatly from general user & server support, systems implementation, disaster recovery, security audits any thing the client required
Casella CEL LtdI.T. Manager
Mar. 1999 - Jul. 2000Responsible for all aspects of the company I.T. infrastructure, procuring and implementing hardware and software solutions. General duties included user & server support, security, remote access, remote site connectivity, mail systems, backup & restore hardware & software roll outs. Any I.T. related duty fell in to my hands
ICL LtdCall Centre Support Agent
Aug. 1998 - Mar. 1999Working as a technical telephone help desk agent at ICL supporting all the BBC multimedia products, the whole Activision game range and the NatWest on-line banking software
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