Space Hellas, a leading integrator of IT, Network, Security, and Telecommunication services, is seeking an experienced and passionate Senior Network Security Engineer to join our team.

If you are passionate about implementing cutting-edge security solutions and mitigating cyber threats, this is your opportunity to work on challenging projects and elevate your cybersecurity career.

Main Tasks:

• Design, implement, and manage cybersecurity solutions across on-premises, cloud, and hybrid environments

• Deploy and maintain Cisco Next-Generation Firewalls (NGFW), IDS/IPS, and Cisco Secure Endpoint Solution.

• Implement and manage Network Access Control (Cisco ISE) solutions for enforcing security policies

• Configure and optimize SASE (Secure Access Service Edge) architectures, including Zero Trust Network Access (ZTNA)

• Deploy and maintain Secure Web Gateways (Umbrella SIG), and Web Application Firewalls (Radware) to protect against web-based threats

• Implement email security solutions (Cisco ESA Cloud/on-prem) to safeguard against advanced email threats

• Implement Multi-Factor Authentication (MFA) technologies such as Microsoft Entra ID (Azure MFA) and/or Duo Security

• Prepare and maintain detailed technical documentation

Required qualifications:

• Bachelor's degree in Cybersecurity, Information Technology, or a related field

• Minimum 3 years of experience in cybersecurity engineering, security operations, or network security

• Hands-on experience with firewalls, NAC, IDS/IPS, EDR, WAF and MFA solutions

• Familiarity with Zero Trust architectures, SASE, and identity & access management

• Experience with email security technologies

• Strong understanding of network security concepts, including VPNs, segmentation, and encrypted traffic inspection

• In-depth knowledge of network security protocols, including 802.1X, TLS, IPSec, SSL, BGP security, and DNSSEC

• Excellent knowledge of English

Nice to have:

• Industry certifications, such as CCNA, CCNP Security and/or, CEH, OSCP, CISM, Microsoft Security

• Hands-on experience with cloud-native security solutions

• Forensic analysis skills for investigating network and endpoint security breaches

• Knowledge of APIs

You are the right candidate if you possess the following core competencies:

• Excellent communication skills

• Decision making skills

• Ability to diagnose, analyze and solve problems

• Teamwork

• Consistency & Reliability

Our company offers

• Excellent working environment

• Excellent career and development opportunities

• Ongoing training

• Private health insurance scheme