# ICT Network Engineer

**Company:** [ΟΜΙΛΟΣ ΓΕΚ ΤΕΡΝΑ / GEK TERNA GROUP](http://jobs.workable.com/companies/uvRcU4dhGr1QhjjLFAdLkC.md)
**Location:** Heraklion, Greece
**Workplace:** on site
**Employment type:** Full-time
**Department:** INTERNATIONAL AIRPORT HERAKLION CRETE

[Apply for this job](http://jobs.workable.com/view/9a918d56-f370-47c0-bf58-d5999f18bdd5)

## 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