Network Security Engineer

Our client is an established and rapidly growing technology solutions provider specializing in advanced enterprise networking, telecommunications, and cybersecurity infrastructures. They deliver mission-critical integrations and managed technical solutions that empower modern businesses to secure their digital ecosystems and optimize network performance.

With a dedicated focus on state-of-the-art vendor technologies and client-centric engineering, they foster an agile, technically driven environment. Joining their team means stepping into a collaborative workplace where technical expertise is celebrated, ongoing certification is supported, and each team member plays a visible role in delivering end-to-end technology projects.

The Role

We are looking for a Network Security Engineer to join their technical engineering team based in Athens. In this hands-on role, you will take ownership of deploying, configuring, and maintaining complex networking setups and robust cybersecurity defenses across a diverse enterprise client base.

The position offers a well-rounded balance between engineering execution and business enablement. Alongside your technical implementation responsibilities, you will actively collaborate with the commercial and sales teams on presales initiatives, delivering proof-of-concept demos and providing high-level technical guidance to formulate winning proposals.

This is an excellent career opportunity for a proactive engineer eager to broaden their expertise in enterprise firewalls and switching, manage diverse mixed-vendor projects, and make an immediate impact within a forward-thinking technology provider.

Key Responsibilities

• Deploy, configure, and administer next-generation firewalls with a primary focus on Fortinet / FortiGate solutions

• Implement and manage enterprise network infrastructures, including routing, switching, VLAN segmentation, and site-to-site/client VPNs across Fortinet and HPE environments

• Deliver technical support, troubleshooting, and incident resolution for client networks and security events

• Participate actively in presales activities by collaborating with the sales team, conducting firewall demos, and supporting technical proposal design

• Execute and support mixed-vendor network and security projects autonomously from kickoff to delivery

• Coordinate and conduct on-site client visits across Athens and regional Greece when project implementations require

• Participate in the technical department’s scheduled on-call stand-by rota to ensure business continuity and support

• Maintain comprehensive technical documentation, network topologies, and configuration baselines for all client environments

What You'll Bring

• 2–5 years of hands-on experience in network infrastructure engineering and cybersecurity solutions

• Solid understanding and working knowledge of TCP/IP, routing, switching, VLAN architectures, and VPN configurations

• Proven track record installing, tuning, and maintaining firewalls, ideally with Fortinet / FortiGate technologies

• Hands-on experience configuring switches and routers, particularly Fortinet and HPE hardware

• Background in customer-facing technical support and rapid incident handling

• Bachelor’s degree in Computer Science, Information Technology, Telecommunications, or a related discipline

• Valid driving license and willingness to travel within Greece for project deployments (approximately 1–2 times per month)

• Professional working proficiency in English, both written and verbal

• Strong accountability, customer communication skills, and collaborative team mindset

Nice to Have

• Vendor certifications such as Fortinet NSE, Cisco, or Microsoft credentials

• Working knowledge of Endpoint Protection, EDR/XDR, and Email Security solutions

• Exposure to Microsoft technologies, including Active Directory, Microsoft 365, and Azure

• Familiarity with vulnerability assessments and security auditing practices

What's in It for You

€2,000 – €2,400 Gross / Month, depending on experience, alongside an annual performance bonus based on target achievement and a fully on-site working setup based in Athens that fosters close technical collaboration and hands-on laboratory testing. The package includes a mobile phone, laptop, and access to a company pool car for client appointments, as well as additional compensation for participation in the technical department's scheduled stand-by rota. Project-related travel outside Athens (averaging up to 1–2 times per month with overnight stays when necessary) is fully covered.

This is a compelling opportunity to work on varied, high-impact enterprise infrastructure and cybersecurity projects within a dynamic, supportive engineering team. You will benefit from continuous professional training, vendor certifications, and access to a modern technology environment that actively fosters long-term career growth and technical autonomy.