Senior Network Engineer
First Gulf Company · Riyadh, Saudi Arabia
قدّم وتابع مع أبلاي إيدجThe Senior Network Engineer will design, implement, secure, and maintain enterprise network infrastructure across data center, campus, and perimeter environments. The role requires strong hands‑on experience with Cisco routing and switching, multi‑layer firewalls, NAC technologies, and Aruba ClearPass. The engineer will ensure high availability, security, and performance of all network services supporting mission‑critical operations.Key ResponsibilitiesDesign, deploy, and optimize LAN/WAN network infrastructure across core, distribution, and access layers.Configure, operate, and troubleshoot Cisco switches and routers,Administer Aruba ClearPass NAC for endpoint authentication, device profiling, access control, and policy enforcement.Configure and optimize firewall policies, NAT rules, ACLs, VPN access, and security zones.Monitor firewall logs, NAC alerts, VPN activity, and security events to detect anomalies and potential threats.Ensure secure connectivity for internal users, external partners, and remote sites using IPSec, SSL VPN, and advanced firewall policies.Lead troubleshooting and incident response for network outages, degradations, and security‑related events.Maintain updated documentation including network diagrams, configurations, SOPs, and change management records.Required Qualifications & ExperienceBachelor’s degree in computer science, Information Technology, or related fieldMinimum 3 years hands‑on experience in: Cisco Routing & SwitchingEnterprise Firewalls (Perimeter, Extranet, DC)Network Access Control (NAC)Aruba ClearPassStrong operational expertise in BGP, OSPF, EIGRP,RIPSolid understanding of VLANs, STP, QoS, ACLs, HSRP/VRRP, EtherChannel, and network segmentationExperience with enterprise monitoring and logging tools.Strong troubleshooting skills and ability to work under pressure.Excellent communication and documentation skills.Proficiency in English and Arabic is a mandatoryPreferred CertificationsCCNP Enterprise or CCNP SecurityAruba ClearPass Certified Professional (ACCP)Fortinet NSE4/NSE5 or Palo Alto PCNSA/PCNSEITIL FoundionKey CompetenciesStrong analytical and diagnostic skillsHigh attention to detailAbility to work in mission‑critical environmentsTeamwork and cross‑department collaborationCommitment to security and compliance