Network Security Engineer at Performance Technologies

Athens, Attica, Greece -

Full Time

Start Date

Immediate

Expiry Date

11 Jan, 26

Salary

0.0

Posted On

13 Oct, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Network Security, Routing, Switching, VLANs, Load Balancing, SD-WAN, Network Virtualization, Web Services, Authentication Services, TCP/IP, DNS, Firewalls, SASE, IDS/IPS, WAF, Cloud Infrastructure

Industry

Telecommunications

Description

We are seeking an experienced Network Security Engineer to join our team. In this role, you will design, implement, maintain, and troubleshoot network security solutions for our clients. Your expertise will be essential to ensure the availability, performance, and security of client network systems while supporting the adoption of new technologies and best practices. Key Responsibilities Deliver Performance Technologies security services for clients, including installation, testing, maintenance, and design of security solutions. Apply in-depth understanding of networking concepts, including routing, switching, VLANs, load balancing, SD-WAN. Document all new installations, troubleshooting processes, and resolutions for knowledge sharing and future reference. Provide support to both existing and new clients, ensuring smooth operations and issue resolution. Transfer knowledge effectively to clients to ensure sustained operational success. Stay up-to-date on emerging technologies, industry trends, and best practices in network and security engineering. Bachelor’s degree in Computer Science, Information Technology, Telecommunications, or a related field. 4+ years of experience as a Network or Network Security Engineer. Hands-on experience with Network Virtualization technologies. Strong understanding of Web services, authentication services, TCP/IP, DNS, and network protocols. Expertise in network security systems: Firewalls, SASE, IDS/IPS, WAF. Hands-on experience with Check Point, Palo Alto, Cisco or Fortinet firewalls required. Familiarity with Load Balancer solutions and Email Security solutions will be a plus. Exposure to Cloud infrastructure services (Azure, AWS) is advantageous. Professional certifications such as Cisco (CCNA, CCNA Security), Check Point (CCSA, CCSE), HPE/Aruba (ACSA, ACSP), Fortinet (FCA, FCP), Juniper, VMware (VCA, VCP), and Azure/AWS networking certifications will be highly valued. Excellent verbal and written English communication skills. We will offer you a friendly and dynamic working environment, in which you can develop your skills and competencies and a workplace with a strong focus on values and work-life balance.

Responsibilities

Design, implement, maintain, and troubleshoot network security solutions for clients. Ensure the availability, performance, and security of client network systems while supporting the adoption of new technologies and best practices.