network security engineer
Aug 16, 2026 · PwC Greece
What you'll do
- Participate in design, implementation, and improvement of enterprise network, security, SASE, web application, and API security solutions
- Deploy, configure, and maintain enterprise security infrastructure including SASE platforms, next-generation firewalls, WAFs, and API security platforms
- Administer and support Palo Alto Networks and Fortinet security technologies including firewalls, management platforms, VPN, threat-prevention, and security policies
- Administer and support Imperva and Fortinet application-security technologies including Imperva WAF, Imperva API Security, FortiWeb, and FortiAppSec Cloud
- Support implementation and operation of SASE capabilities including Secure Web Gateway, Zero Trust Network Access, cloud-delivered firewalls, CASB integration, and remote connectivity
- Configure and maintain Palo Alto Networks technologies such as PAN-OS, Panorama, GlobalProtect, Prisma Access, and Fortinet products like FortiGate and FortiManager
- Configure, maintain and optimize Web Application Firewall policies including security rules, access controls, IP reputation, geo-based restrictions, and application exceptions
- Onboard websites, web applications and APIs to Imperva and Fortinet WAF and API security platforms coordinating DNS, certificates, routing, and dependencies
- Implement API security controls including discovery, OpenAPI validation, JSON/XML protection, authentication, API-key and JWT validation, access restrictions, and rate limiting
- Protect web applications and APIs against injection attacks, cross-site scripting, malicious uploads, protocol violations, credential abuse, automated attacks, and OWASP risks
Key requirements
- 2+ years' experience
- Hands-on experience with Palo Alto Networks firewalls and technologies such as PAN-OS, Panorama, GlobalProtect
- Hands-on experience with Fortinet technologies including FortiGate, FortiManager, FortiAnalyzer, FortiClient, FortiSASE, FortiWeb, and FortiAppSec Cloud
- Experience with Web Application Firewall technologies, especially Imperva WAF, FortiWeb, or FortiAppSec Cloud
- Knowledge of cloud-delivered security and SASE platforms like Palo Alto Prisma Access, FortiSASE
- Understanding of SASE capabilities including Secure Web Gateway, Zero Trust Network Access, Firewall as a Service, CASB
- Experience with SD-WAN architecture, firewall management, security policies, application controls, NAT, URL filtering, intrusion prevention, and threat-prevention
- Computer Science / Cybersecurity / Any Field
Benefits
- Your work life-balance supported by a hybrid working model.
- Your creativity sparked in collaborative office spaces.
- Your career growing through local and global opportunities.
- Your development advanced with continuous learning and professional certifications.
- Your well-being cared for with extra leave days and wellness initiatives.
- Your perspective valued in an inclusive team where your impact matters.
About the job
We’re a team that transforms vision into tech-enabled reality. We look for those who see technology not just as tools or platforms, but as the invisible infrastructure behind strategy, performance, and growth. We turn bold ideas into scalable, secure, and human-centered solutions.
SHAPING TOMORROW
Make a real impact, today, and tomorrow, through work that matters. Here, you will tackle today’s toughest challenges with a future-focused mindset; so our clients turn to us first when it matters most.
Make a real impact
In this dynamic environment, we are looking for ambitious and self-driven Network Security Engineers to join our Cyber Security Tech team.
Participate in the design, implementation and continuous improvement of enterprise network, network security, SASE, web application security and API security solutions
Deploy, configure and maintain enterprise security infrastructure, including SASE platforms, next-generation firewalls, Web Application Firewalls and API security platforms
Administer and support Palo Alto Networks and Fortinet security technologies, including firewalls, centralized management platforms, VPN services, threat-prevention capabilities and security policies
Administer and support Imperva and Fortinet application-security technologies, including Imperva WAF, Imperva API Security, FortiWeb and FortiAppSec Cloud
Support the implementation and operation of SASE capabilities, including Secure Web Gateway, Zero Trust Network Access, cloud-delivered firewall services, CASB integration and remote-user connectivity
Configure and maintain Palo Alto Networks technologies such as PAN-OS, Panorama, GlobalProtect, Prisma Access, FortiGate, FortiManager, FortiAnalyzer, FortiClient, FortiSASE, FortiWeb, FortiAppSec Cloud and Secure SD-WAN
Configure, maintain and optimize Web Application Firewall policies for internet-facing and internal web applications, including managed security rules, custom rules, access controls, IP reputation, geo-based restrictions and application-specific exceptions
Onboard websites, web applications and APIs to Imperva WAF, Imperva API Security, FortiWeb and FortiAppSec Cloud, coordinating DNS, certificates, origin servers, routing and application dependencies
Implement API security controls, including API discovery and inventory, OpenAPI and schema validation, JSON and XML protection, authentication validation, API-key controls, JWT validation, access restrictions and rate limiting
Protect web applications and APIs against common application-layer threats, including injection attacks, cross-site scripting, malicious file uploads, protocol violations, credential abuse, automated attacks and OWASP web and API security risks
What you bring matters
Bachelor's degree in computer science, Cybersecurity, Information Technology, or a related field
Minimum 2 years of hands-on experience as a Network Engineer, Network Security Engineer, Firewall Engineer or Application Security Engineer
Hands-on experience with Palo Alto Networks firewalls and technologies such as PAN-OS, Panorama and GlobalProtect
Hands-on experience with Fortinet technologies such as FortiGate, FortiManager, FortiAnalyzer and FortiClient
Hands-on experience with Web Application Firewall technologies, preferably Imperva WAF, FortiWeb or FortiAppSec Cloud
Experience with cloud-delivered security and SASE platforms, preferably Palo Alto Prisma Access, FortiSASE or equivalent technologies
Understanding of SASE and Security Service Edge capabilities, including Secure Web Gateway, Zero Trust Network Access, Firewall as a Service and Cloud Access Security Broker
Experience with SD-WAN architecture, deployment, routing, application steering and connectivity troubleshooting
Experience with firewall policy design, application-based controls, security profiles, NAT, URL filtering, intrusion prevention and threat-prevention services
Strong verbal and writing skills in English and Greek
BRING YOUR BEST, EVERYDAY
Your skills, integrity, and curiosity make the difference. At PwC Greece, we match that with an environment that brings out your best every day – supported by people who inspire, challenge, and grow with you.
What we offer goes beyond a competitive package. It’s about creating the conditions for you to learn, belong, and deliver impact. That means:
Your work life-balance supported by a hybrid working model
Your creativity sparked in collaborative office spaces
Your career growing through local and global opportunities
Your development advanced with continuous learning and professional certifications
Your well-being cared for with extra leave days and wellness initiatives
Your perspective valued in an inclusive team where your impact matters




