# ICT Network Engineer

> ΟΜΙΛΟΣ ΓΕΚ ΤΕΡΝΑ / GEK TERNA GROUP · Heraklion, Greece · Full-time · Posted 2026-04-23

**Workplace:** on_site

**Department:** INTERNATIONAL AIRPORT HERAKLION CRETE

## Description

**International Airport of Heraklion, Crete S.A.** is currently looking for a:

**ICT Network Engineer**

**Responsibilities**

-   Ensures the uninterrupted 24h seamless operation of the Airport Campus Network (LAN, Wi‑Fi, IP Telephony System, Firewalls), as well as Data Center infrastructure.
-   Maintain business continuity and meets the goals and objectives in line with the business goals of Heraklion Crete International Airport. 
-   Administers all active network equipment (e.g. switches, routers, access points, firewalls).
-   Oversees campus network operations through NMS tools.
-   Provides Level 2/3 support for network-related incidents and service requests.
-   Cooperates with the ICT team and supports contractors for the immediate resolution of network malfunctions.
-   Conducts root cause analysis and guarantees timely issued resolution.
-   Manages and supports the IP Telephony System (Call Manager CUCM).
-   Monitors and maintains firewall systems to ensure secure connectivity.
-   Executes upgrades and improvements to enhance network stability and efficiency.
-   Supports Data Center operations.
-   Performs replacements and preventive maintenance activities.
-   Applies and manages access control rules and network segmentation.
-   Assists network projects involving upgrades, relocations, or expansions.
-   Analyzes usage patterns and implement strategies for capacity planning and optimization.
-   Supports audits and ensures compliance with internal and external IT policies.

**Requirements**

-   Bachelor’s degree in Computer Science, ICT Systems Engineering or related field
-   Master’s degree in Computer Science, Networks or related field is considered a plus
-   Minimum 3 years of professional work experience in complex ICT environments
-   Experience with Cisco Environments and especially SD Access Technology & ACI is a plus

-   Vendor Certifications (Cisco, Checkpoint, Palo Alto)
-   Excellent command of English, both written and verbal

**Competencies**

-   Excellent communication, organizational, and problem-solving skills
-   Strong team orientation and goal-driven mindset

## Apply

[Apply at ΟΜΙΛΟΣ ΓΕΚ ΤΕΡΝΑ / GEK TERNA GROUP](https://apply.workable.com/gek-terna/j/E887B1CBAE/apply)

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