Network Engineer

We are seeking a Senior Network Engineer to join our client’s Infrastructure & Operations team. In this role, you will be responsible for ensuring the stability, security, and performance of the organization’s enterprise network infrastructure across multiple sites and business units. Acting as the primary point of contact for network-related incidents, escalations, and infrastructure initiatives, you will play a key role in maintaining and evolving a modern, secure networking environment.

We are the 1st Hub for Developers! Our motto is “From Developers to Developers”! Our vision is to provide real career opportunities for candidates that want to take the next step in their career. Code.Career is the first process that you will speak with developers (only!) and tech (freak) experts!

Our client is a leading multinational company operating in the aquaculture and seafood industry, with a strong presence across international markets. Established through the integration of recognized industry leaders, the organization is committed to delivering high-quality, sustainably produced seafood while driving innovation throughout the value chain. Leveraging advanced farming practices, modern processing facilities, and an extensive distribution network, they serve customers across retail, foodservice, and wholesale sectors. Their core capabilities include aquaculture operations, seafood production and processing, supply chain management, quality assurance, sustainability initiatives, and global commercial operations, enabling them to meet the evolving demands of international markets.

Key Responsibilities

• Provide day-to-day support and technical administration for the organization’s network infrastructure, ensuring stability, performance, and security across all sites and business units.
• Act as the main point of contact for network-related incidents, service requests, and technical escalations, ensuring timely and effective resolution.
• Manage, configure, and support core networking and security technologies, including Cisco firewalls and switches, FortiGate, FortiSwitch, UniFi, and Cisco ISE.
• Monitor network performance, availability, and security, proactively identifying issues, risks, and improvement opportunities.
• Troubleshoot complex network and connectivity problems across LAN, WAN, wireless, VPN, and site-to-site environments.
• Design, review, and maintain firewall rules, network segmentation, and access control policies in line with business and security requirements.
• Support and improve network security architecture, including technologies and concepts such as NAC, SASE, malware protection, secure access, and policy enforcement.
• Evaluate existing network infrastructure and propose scalable, reliable, and secure technical solutions to address current and future business needs.
• Collaborate closely with internal IT teams, external vendors, and service providers for incident resolution, implementations, and infrastructure improvements.
• Participate in network refresh, upgrade, migration, and rollout projects, ensuring smooth implementation and minimal business disruption.
• Maintain accurate and up-to-date technical documentation, including network diagrams, configurations, standards, and operational procedures.
• Ensure compliance with internal IT policies, cybersecurity standards, and infrastructure governance practices.
• Contribute to the continuous improvement, standardization, and modernization of the company’s network and security environment.

Required Qualifications

• Bachelor’s degree in Information Technology, Computer Science, Network Engineering, or a related technical field.
• At least 5 years of experience in network engineering, network administration, or a similar infrastructure role.
• Proven experience with Cisco firewalls and switches, FortiGate, FortiSwitch, UniFi, and Cisco ISE.
• Strong understanding of enterprise network architecture, including LAN, WAN, VLANs, routing, switching, VPNs, and wireless networks.
• Relevant certifications such as CCNA, CCNP, NSE, or similar will be considered an asset.
• Strong troubleshooting, analytical, and problem-solving skills.
• Excellent communication skills in both Greek and English.
• Ability to work independently and collaboratively in a fast-paced IT environment.

Nice-to-Have Skills

• Experience with cloud networking and hybrid connectivity (e.g., Microsoft Azure, AWS, SD-WAN, or cloud-native networking solutions).
• Familiarity with network automation and scripting using tools such as Python, Ansible, or PowerShell to streamline infrastructure management.
• Knowledge of network monitoring and observability platforms (e.g., PRTG, SolarWinds, Zabbix, or Grafana) and proactive performance optimization.
• Experience working within ITIL-based service management environments, including change management, incident management, and infrastructure governance.

Upon further discussion with our client.