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Network & Security Engineer

Infinitum SA

Lykovrysi, North Athens Regional Unit, Greece Hybrid permanent

Posted: January 20, 2026

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Quick Summary

Network engineer with strong technical skills, experience in network security, responsible for designing and implementing secure network solutions for a global client base.

Job Description

iNFINITUM is a client-oriented organization that continuously evolves. Our team consistently extends its capabilities to meet with exact needs based on specific business requirements, with customers coming from a wide range of industry sectors.

At iNFINITUM, our success depends on our people, productivity, and procedures. We believe that the continuous success of our projects depends upon the outstanding performance of our highly skilled and trained staff. Providing access to a modern professional training designed in line with real-world challenges is paramount to that success.

We’re looking for a Network & Security Engineer to join our dynamic systems engineering team and help design, implement, and maintain the network infrastructure that keeps our organization connected and secure.

As part of this highly collaborative team, you’ll work with modern technologies to design scalable, maintainable, and highly available network architectures that meet demanding SLAs and business objectives. You will lead the deployment of Challenging projects using cutting-edge technologies for large scale enterprise customers across all business sectors. This is a great opportunity for someone who thrives on technical challenges, problem-solving, and continuous improvement.

Responsibilities

• Lead the design and deployment of projects across the following network technologies and services:

Wireless technologies and Services (Vendors: Cisco, HPE Aruba Networking, Fortinet):

Cloud Managed Wireless infrastructures

Controller-Based Wireless infrastructures

Layer 2 Networking infrastructures (Vendors: Cisco, HPE Aruba Networking, Fortinet):

Corporate LAN Networks

Data Center technologies including:

Spine/Leaf Architectures

Network Virtualization

Security and Cybersecurity technologies and services (Vendors: Palo Alto, Fortinet, HPE Aruba Networking, Watchguard Cisco):

SD-WAN

Single Vendor and Multi-Vendor Secure Access Service Edge (SASE)

Next Generation Firewalls

Routers/Load Balancers

Network Access Control Platform (HPE Aruba Networking Clearpass)

• Collaborate with cross-functional teams and participate in large scale and Complex Projects that include Network Technologies and Solutions:

Business Continuity Solutions (DR Site)

Data Center Infrastructure (Active/Active DCs)

Cloud infrastructures

• Maintain state-of-the-art network infrastructures to ensure network performance, reliability, and security, using best-in-class monitoring and diagnostic tools.
• Provide advanced support, troubleshoot complex issues, and drive permanent technical resolutions.
• Work within management processes to maintain network integrity and business continuity.


Requirements:
• Bachelor’s degree in Computer Science, Information Systems, or a related field.
• Proven experience in network engineering and/or Security within enterprise environments.
• Advanced Certifications on Networking and Security will be highly appreciated.
• In-depth knowledge of networking and/or security technologies.
• Strong hands-on experience with network monitoring and/or security tools.
• Analytical detail-oriented mindset with the ability to tackle complex network challenges effectively.
• Proactive, customer-focused, and collaborative approach to technical problem-solving.
• Excellent communication skills.


Benefits:
• Friendly and Dynamic Working Environment.
• Competitive Remuneration package directly dependent on the candidate's qualifications and experience.
• Opportunities for Continuous Learning of state-of-the-art technology and career development.
• Medical plan and life insurance for you and your family.
• Work-Life Balance initiatives.
• The opportunity to work in a diverse environment with talented colleagues
• Hybrid Work Model

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