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Stelios Andreou

@steliosandreou

Senior Network and Security Engineer at Amdocs, designing network architectures and securing on-premises, cloud, and hybrid environments.

Cyprus

Message

At Amdocs, I work on network and systems security, firewall control assessments, and network architecture design and optimization. I also handle software upgrades and vulnerability remediation across on-premises, cloud, and hybrid network configurations.

Previously, I worked as Network and Security Manager at IronFX and as a Network and Security Engineer at Demstar Business Solutions. I also taught Computer and Communication Networks part-time at Public School of Higher Vocational Education and Training (MIEEK), and designed and implemented a hospital network with remote offices for my diploma project.

Experience

Work history, roles, and key accomplishments

Current

Senior Network and Security Engineer

Current

Amdocs

Jan 2022 - Present (4 years 10 months)

Responsible for network and systems security, firewall controls assessments, and network architecture design and optimization. Managed software upgrades, vulnerability remediations, and troubleshooting of complex environments.

Network Security Firewalls Network Architecture software upgrades Vulnerability Remediation Troubleshooting Cloud Networking Virtualization System Monitoring Vendor Management

Network and Security Manager

IronFX

Jan 2021 - Jan 2022 (1 year)

Managed next-generation firewalls, web application firewalls, CDNs, DNS records, SSL certificates, and VPN solutions. Oversaw email security, endpoint protection, monitoring systems, and network traffic analysis.

Next Generation Firewalls (NGFW)Web Application Firewall CDN DNS SSL VPN Email Security Endpoint Protection Monitoring Network Traffic Analysis Routing Switching Vulnerability Scans

Network and Security Engineer

Demstar Business Solutions

Jan 2018 - Jan 2021 (3 years)

Provided email security, Office 365 administration, and management of Active Directory, Group Policies, and Exchange Mail Server. Designed and implemented network infrastructure including LAN/WAN, segmentation, and VLAN tagging.

Email Security Office 365 Active Directory Group Policy Exchange network design LAN WAN Network Segmentation VLAN L2 L3 Switches

Lecturer - Computer and Communication Networks

Public School of Higher Vocational Education and Training (M

Jan 2019 - Jan 2020 (1 year)

Taught computer and communication networks over four semesters as a part-time lecturer.

Teaching Networking Communication Networks

Information Technology Support Engineer

VLToolbox Express Computer Solutions

Jan 2015 - Jan 2018 (3 years)

Provided help desk support on-site and remotely, maintained endpoints security and backup solutions, and troubleshot Windows OS, MS Office, and network issues.

Help Desk Endpoint Security Backup Solutions Troubleshooting Windows Microsoft Office Exchange POP IMAP TCP IP DHCP DNS Ethernet

Seller / Barista

La Croissanterie

Jan 2014 - Dec 2014 (11 months)

Worked as a seller and barista.

Waiter

T.G.I. Fridays

Jan 2013 - Dec 2013 (11 months)

Worked as a waiter.

Sergeant Aviation

Army

Jan 2011 - Jan 2013 (2 years)

Served as a Sergeant in Aviation.

Education

Degrees, certifications, and relevant coursework

Hack The Box Academy

Student, Information Security

2022 - 2023

Completed training at Hack The Box Academy from 2022 to 2023.

University of Central Lancashire

Student, Computer Networks

2017 - 2018

Studied Computer Networks Routing and Switching at the University of Central Lancashire, Larnaca from 2017 to 2018.

Public School of Higher Vocational Education and Training (MIEEK), Larnaca

Diploma, Computer and Communication Networks

2014 - 2016

Grade: 9.1/10

Activities and societies: Networks (I–IV), Network Management, Computer Architecture, Operating Systems (I and II), Electronic (I and II), Electronic Digital, Communications (I and II), Telecommunications, English (I and II), Electrology (I and II), Network Security, Maths, Profession Legislation. Internship: Cyta - MDF Technician (6/7/2015 – 22/10/2015).

Graduated with Highest Honors, Top Graduate, Grade 9.1/10, in Computer and Communication Networks. Completed a diploma project designing a hospital network with remote offices.