Senior Network Security Engineer

Uni Systems· ICT Services Technical Division
Apply Now ↗
📍 Athens, Attica, GreeceFull time

About this role

We are continuously growing and we are looking for a Senior Network Security Engineer to join our UniQue Security & Compliance Services team.

The ideal candidate will have experience with network and security tools across cloud and on-premises environments, with a strong understanding of protocols, encryption standards, and identity access management.

For the Network Security Engineer position, we expect you to:

  • Design, implement, and maintain secure network solutions across cloud and on-premises environments.
  • Manage and configure security and networking tools, including firewalls, load balancers, and network components, to ensure optimal security.
  • Monitor network traffic for unusual or suspicious activity and respond to security incidents.
  • Collaborate with IT and security teams to integrate security tools with cloud platforms and automate infrastructure deployments.
  • Develop and enforce security policies, protocols, and standards.

Your experience, skillset and qualifications are going to help you succeed in this position, moving forward.

  • Bachelor's degree in Cyber Security, Information Technology, Computer Science, or in a relevant field
  • Master’s degree in Information Security, Cyber Security, or a similar area will be considered a plus.
  • 5+ years of proven working experience as a Network Security Engineer or in a relevant role.
  • Strong understanding of network protocols and technologies across all OSI layers.
  • Hands-on experience with at least one or more of the following network/security tools and technologies:
  • Cloud Networking/Security Technologies: Azure, AWS
  • Firewalls: Check Point
  • Load Balancers: F5, Azure Application Gateway (AGW), AWS Application Load Balancer (ALB)/Network Load Balancer (NLB)
  • L2/L3 Network Components: Cisco ISE, Cisco Nexus, Cisco Meraki Switches
  • Familiarity with network and web-related protocols such as TCP/IP, UDP, DNS, HTTP, and HTTPS.
  • Knowledge of encryption standards like SSL, TLS, and IPsec.
  • Understanding of Identity Access Management (IAM) technologies, including Azure RBAC and AWS IAM.
  • Experience with Infrastructure as Code (IaC) tools (e.g., Terraform, Bicep, CloudFormation) is a plus.
  • Excellent troubleshooting and analytical skills.
  • Strong communication skills and the ability to work collaboratively with cross-functional teams.
  • Relevant certifications (e.g., CCNP, AWS Certified Security, or Azure Security Engineer Associate) are advantageous.
  • Flexibility to travel abroad (mainly in EU countries, 5% of the working time)

What are we offering to our UniQue IT People?

  • People-first approach and open environment to express your ideas
  • Work-life balance and a hybrid work model
  • Continuous training and development
  • Opportunities to join innovation initiatives
  • Ticket restaurant – meal vouchers
  • Corporate laptop and equipment
  • Corporate mobile phone subscription
  • Health and insurance plan for you and your family members
  • Employee consulting and guidance support
  • Discounts on the services and products of our Group’s companies
  • Gift vouchers for major life milestones
  • Special work schedule on summer Fridays and birthdays

Our UniQue IT people are the most valuable part of Uni Systems; their knowledge and experience have made us the leading and reliable systems integrator of today and have contributed to our steady financial growth. We have created and are maintaining a stable working environment for our employees, with countless opportunities to innovate and thrive. Our work culture recognizes our UniQue IT people and supports the free sharing of ideas and the flow of information via open communication while appreciating and effectively utilizing the talents, skills, and perspectives of each employee.

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our Diversity, Equality & Inclusion Policy for more information.

Frequently Asked Questions

Is the salary disclosed for the Senior Network Security Engineer position at Uni Systems?
The salary for this Senior Network Security Engineer role at Uni Systems is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior Network Security Engineer position at Uni Systems located?
This Senior Network Security Engineer role at Uni Systems is based in Athens, Attica, Greece. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Network Security Engineer role at Uni Systems full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Network Security Engineer role in the ICT Services Technical Division department at Uni Systems.
Which team or department does the Senior Network Security Engineer at Uni Systems belong to?
This Senior Network Security Engineer position is part of the ICT Services Technical Division department at Uni Systems. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Network Security Engineer position at Uni Systems?
Click the "Apply Now" button on this page. You will be redirected to Uni Systems's official application portal hosted on workable where you can submit your application directly.
When was the Senior Network Security Engineer job at Uni Systems posted?
This Senior Network Security Engineer position at Uni Systems was posted on Aug 4, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Network Security Engineer
Uni Systems
Apply for this role ↗

You'll be redirected to Uni Systems's official application page on workable.