Technical Security Specialist

Role overview

Key responsibilities

• Design, implement, configure, and support enterprise network and security solutions across Cisco, Palo Alto, Fortinet, and F5.
• Lead installations, migrations, upgrades, and lifecycle management for LAN, WAN, SD-WAN, data centre, internet edge, and security infrastructure.
• Work with clients onsite and remotely to gather requirements, resolve technical issues, and deliver solutions.
• Perform firewall policy reviews, security hardening, VPN and NAT configuration, health checks, and capacity planning.
• Resolve critical network, security, and application delivery incidents; coordinate vendor escalations as needed.
• Create high- and low-level designs, implementation and migration plans, and operational documentation.
• Support high-availability and disaster recovery designs that meet security and governance requirements.
• Mentor engineers, contribute to technical workshops and presales discussions, and serve as an escalation point.

Experience and qualifications

• Bachelor’s degree in Information Technology, Computer Science, Electronics, Telecommunications, or a related field.
• At least one professional-level certification from a major technology vendor is mandatory.
• 7–10+ years in enterprise networking and network security.
• At least five years implementing and operating Cisco networking technologies.
• At least five years managing Palo Alto NGFW environments and supporting Fortinet Security Fabric and FortiGate deployments.
• Three to five years with F5 BIG-IP load balancers and WAF solutions.
• Proven delivery of complex network transformation, migration, and security projects.

Technical skills

• Strong TCP/IP, routing, and switching knowledge, including OSPF, BGP, EIGRP, MPLS, VRF, VXLAN, STP, HSRP/VRRP, and multicast.
• Hands-on Cisco Catalyst, Nexus, ISR, ASR, wireless, DNA Center, ACI, and SD-WAN experience.
• Knowledge of next-generation firewalls, IPS/IDS, IPsec and SSL VPNs, network access control, secure web gateways, Zero Trust, WAF, and DDoS protection.
• Experience with Palo Alto PAN-OS; Fortinet FortiGate, FortiManager, and FortiAnalyzer; and Cisco Firepower.
• F5 BIG-IP experience includes LTM, GTM/DNS, APM, ASM/WAF, load balancing, SSL offloading, certificate management, and application traffic troubleshooting.
• Strong troubleshooting, customer engagement, technical documentation, problem-solving, and communication skills.

Preferred certifications

• Preferred certifications include CCNP Enterprise, CCNP Security, CCIE Enterprise Infrastructure or Security, PCNSA or PCNSE, FCP or FCSS Network Security, and F5 BIG-IP certifications.
• CISSP, CISM, CEH, Security+, and ITIL Foundation are advantageous.

Workplace

• Hybrid working.