Sr. Networks & Security Support Engineer

DETASAD


Date: 3 weeks ago
City: Riyadh
Contract type: Full time
Job description:

  • Act as a senior member of the 24x7 network and security operations team, providing advanced support, mentoring, and leadership.
  • Architect, implement, and support advanced routing and switching infrastructures:Interior and exterior routing: BGP (with route reflectors, communities, policies), OSPF, and EIGRP.Advanced MPLS-based VPNs, VRFs, QoS, and policy-based routing for high-availability and secure segmentation.Spine-leaf IP fabric topologies in data center environments to enable scalable, automated east-west traffic flows.
  • Segment routing and traffic engineering for optimized service delivery.
  • Design, deploy, and maintain cloud networking components in public, private, and hybrid clouds:VPC/VNet architecture, subnets, routing tables, NAT gateways, and peering.Cloud-native firewalls, security groups, NACLs, WAFs, and DDoS mitigation services.VPN and Direct Connect/ExpressRoute links for secure hybrid connectivity.Service mesh (e.g., Istio) and container networking (CNI plugins) in Kubernetes environments.SD-WAN and SDN controllers for dynamic WAN optimization and branch-cloud integration.
  • Implement, configure, and operate modern security platforms:Next-generation firewalls (Palo Alto, Fortinet, Check Point) with application-layer controls and threat intelligence.WAFs and Load Balancers (F5 LTM, AVI Networks) for application delivery and protection.Intrusion detection/prevention (IDS/IPS), URL filtering, sandboxing, and advanced malware prevention.Secure DNS/DHCP architectures with DDI solutions (e.g., Infoblox).Zero Trust Network Access (ZTNA) and micro segmentation techniques.
  • Lead continuous monitoring and proactive optimization of both on-premises and cloud network/security performance using advanced tools and automation frameworks.
  • Plan, execute, and validate firmware and software upgrades for all networking and security appliances, ensuring zero/minimal downtime.
  • Perform incident response and forensics for complex security events, including threat analysis and mitigation.
  • Conduct capacity planning, traffic analysis, and service assurance for growing business demands.
  • Document detailed technical designs, configurations, standard operating procedures, and knowledge base articles.
  • Evaluate emerging technologies, lead PoCs, engage with vendors and cloud service providers for solution validation, and contribute to strategy and roadmap development.
  • Mentor and upskill junior engineers and IT staff through formal training and on-the-job coaching.

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