Senior Network Security Engineer

About the role

First.tech Group seeks an experienced Senior Network Security Engineer to design, implement and maintain secure, scalable enterprise infrastructure. The role combines deep networking expertise with cybersecurity and cloud security responsibilities.

Key responsibilities

• Design, deploy and manage LAN, WAN, SD‑WAN, VPN and wireless networks, ensuring high availability and performance.
• Maintain firewalls, IDS/IPS, EDR, WAF, DDoS protection, SIEM, DLP, MFA and encryption solutions, applying Zero Trust and SASE principles.
• Secure cloud networking across AWS, Azure and GCP, and develop disaster‑recovery plans with defined RTO/RPO.
• Provide Level 3 support, lead incident response, conduct vulnerability assessments and support compliance audits (ISO 27001, NIST, GDPR, PCI DSS).

Required profile

• Bachelor’s degree in Computer Science, IT or equivalent experience.
• 7+ years in enterprise networking and security engineering.
• Strong analytical, problem‑solving and documentation skills.

Required skills

• Enterprise networking: Cisco, Juniper, LAN/WAN/SD‑WAN, VPN, wireless.
• Firewalls and security platforms: Palo Alto, Fortinet, Check Point, IDS/IPS, EDR, WAF, DDoS, SIEM (SolarWinds, Splunk).
• Security protocols: TLS, IPsec, Zero Trust, SASE.
• Cloud networking and security: AWS, Azure, GCP (VPC, EC2, load balancing).