Senior Network Security Engineer L3

Athens, Attica, Greece on site Until 8/21/2026 5+ years exp First posted May 28, 2026 Last posted May 28, 2026
Job description

Neurosoft is a leading Managed Services Provider (MSP) that specializes in offering end-to-end premium integrated services in the areas of Cyber Security, Technology Solutions and Field Services. Our services are designed to meet our customers’ holistic needs to increase efficiency and security, supporting business resilience and continuity. Neurosoft is active in Greece and Cyprus in both private and public sector projects and has been listed on the Italian Stock Exchange since 2009 while currently employing 300+ highly skilled professionals with deep expertise in their fields. The statutory majority shareholder is Allwyn.

We’re looking for a  Senior Network Security Engineer (L3) to join our team and support the design and implementation of enterprise network infrastructure projects.

The role is focused on project delivery, network and security deployments and infrastructure implementations across enterprise environments. This position is ideal for engineers who have solid networking fundamentals and hands-on implementation experience and want to further develop their technical skills in modern enterprise networks.

Main Responsibilities

  • Participate in the design and implementation of enterprise network and security solutions.
  • Lead or co-lead network and security implementation, migration, and infrastructure upgrade projects from planning through delivery.
  • Coordinate project activities with internal teams, vendors, and stakeholders to ensure successful execution and timely completion.
  • Support network migration, infrastructure upgrade, and security enhancement projects.
  • Configure and deploy routing, switching, data center, wireless, WAN, and security technologies.
  • Deploy, configure, and manage firewalls, VPNs, NAC, and secure remote access solutions.
  • Collaborate with senior engineers on network and security architecture improvements and new technology rollouts.
  • Monitor network and security infrastructure to ensure performance, availability, and compliance with security policies.
  • Ensure network and security best practices are followed across all projects and operational activities.
  • Create and maintain implementation guides, security standards, network diagrams, and technical documentation.
  • Participate in testing, validation, commissioning, and security assessment of network solutions.

Technical Skills

  • Bachelor’s or master’s degree in a relevant field (e.g., Computer Science, Electrical Engineering, Network Engineering) or equivalent experience.
  • 5 years of experience in enterprise networking and network security
  • Demonstrated experience leading or co-leading network and security implementation projects is essential.
  • Solid understanding of TCP/IP networking, routing, switching, and network security principles.
  • Hands-on experience with enterprise networking and security technologies, including routing and switching, Next-Generation Firewalls (NGFW), security policy management, network segmentation, SD-WAN, and VPN technologies.
  • Experience with Network Access Control (NAC), Zero Trust architectures and identity-based access policies is considered a plus.
  • Cisco CCNP, Fortinet FCP (or equivalent) certification is considered a strong plus.
  • Experience with other vendors (Juniper, Huawei, Palo Alto) is considered a plus.
  • Familiarity with scripting or automation knowledge (Python, Ansible) is also considered a plus.
  • Strong analytical and problem-solving skills with the ability to diagnose and resolve complex technical issues.
  • Ability to work effectively in a fast-paced environment and manage multiple priorities.
  • Strong communication, collaboration, and technical documentation skills.

What you will gain

🏋️ ️Friendly and dynamic working environment

🏫 Formal training and Professional Qualifications fully funded

⚕️ Private Health Insurance

⚖️Work-Life Balance initiatives

🏃🏽 Corporate Sports Teams (e.g. Running, Basketball, Volleyball)

👥 A Buddy who will support you with your onboarding

  • Compensation details are discussed during the initial screening conversation before the interview stage

Benefits

  • Private Health Insurance
  • Training & Development
  • Laptop
  • Phone - Mobile Plan
About this role

Summary

Design, implement, and support enterprise network and security solutions.

Job title

Senior Network Security Engineer L3

Experience level

5+ years

Minimum experience

5+ years exp

Industry

cybersecurity

Location requirements

Athens, Greece; remote not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

routingswitchingfirewallsVPNNACsecurity policies

Preferred skills

Zero TrustCisco CCNPFortinet FCPscriptingautomation

Specializations

networkingsecurityfirewallsVPNnetwork architecture
Locations

Structured locations inferred from the posting.

Athens, Greece

On-site City
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