Summary
Overview
Work history
Education
Skills
Certification
PROJECTS
Languages
Timeline
Generic

Sean Essien

Dublin,Ireland

Summary

Skilled IT professional specialising in systems administration, Windows OS configuration, and Linux essentials. Experienced in hardware tasks, including router and switch configuration, and device setup. Knowledgeable in network fundamentals such as TCP/IP and subnetting, with proficiency in Microsoft Office Suite, SQL, Python, and C. Utilises Python scripting for automation and problem-solving, enhancing IT infrastructure efficiency and security.

Overview

1
1
Language
1
1
Certification
4
4
years of professional experience

Work history

waiter

Convention centre
Dublin
2024.06 - Current

Waiting Staff | Convention Centre Dublin (CCD)

  • Served food and beverages at large-scale events including Google expos, Comicon, and the World Dance Championships.
  • Took orders, delivered meals and drinks to tables, and cleared plates efficiently during service.
  • Assisted guests with directions, seating, and event information, ensuring a smooth visitor experience.
  • Worked section rotations, managing up to 8 tables simultaneously during peak service periods.
  • Set up and broke down function rooms, arranging tables, chairs, and tableware according to event specifications.
  • Handled cash and card payments using portable tills, processing transactions accurately and efficiently.

Team leader

aviva stadium
Dublin
2023.01 - Current
  • Led and coordinated hospitality teams during high-profile match day events, ensuring smooth service delivery across corporate suites and premium seating areas.
  • Acted as the main point of contact between front-of-house staff and venue management, handling real-time operational issues as they arose.
  • Briefed team members before each event on service standards, menu updates, and health & safety protocols.
  • Maintained high presentation standards and professionalism while working under pressure in a fast-paced stadium environment.
  • Monitored staff performance and made on-the-spot adjustments to ensure service targets were met during busy periods.

Education

BSc - Networking Technologies (Level 7)

TU Dublin
Grangegorman

Level 6 Certificate - Computer Network Technologies

Colaiste Dhulaigh

Skills

  • Windows administration, Linux Essentials, IT Administration Fundamentals
  • Network Fundamentals: TCP/IP, OSI Model, Subnetting, Cabling Standards
  • Hardware: Router/Switch Configuration, Cable Termination, Device Pairing & Setup
  • Software & Tools: Microsoft Office Suite, SQL, Python, C
  • Python scripting
  • Understanding of gdpr regulations
  • Knowledge of industry regulations
  • Microsoft office suite competency
  • Team leadership

Certification

Cisco Networking Academy: CCNAv7: Switching, Routing & Wireless Essentials (Module 2) | Enterprise Networking (Module 3)., Academic: Level 6 Certificate in Computer Network Technologies.

PROJECTS

Virtualisation Lab Windows on Ubuntu | Systems Software Project, Installed KVM/QEMU on Ubuntu and verified hardware virtualisation support (VT-x/AMD-V)., Created a Windows 10 VM using virt-manager and configured bridged/NAT networking., Allocated storage, CPU, and memory resources with performance tuning, demonstrating strong systems administration skills., Home Lab Build | Physical Networking Project, Terminated CAT6 cables using T568B standard and tested with cable tester for hardware proficiency., Configured console access and remote login (Telnet/SSH) on physical Cisco routers/switches., Diagnosed connectivity issues using ARP, ICMP, and physical layer troubleshooting, showcasing methodical problem-solving., Multi-VLAN Network with DHCP | Academic Project, Designed and implemented a secure 3-department network using VLANs and DHCP., Applied ACLs to enforce security policies, demonstrating an understanding of network security in a business context.

Languages

English
Fluent

Timeline

waiter

Convention centre
2024.06 - Current

Team leader

aviva stadium
2023.01 - Current

Level 6 Certificate - Computer Network Technologies

Colaiste Dhulaigh

BSc - Networking Technologies (Level 7)

TU Dublin
Sean Essien