Senior Network & Security Engineer

K ey Responsibilities Implementation & Delivery • Implement and configure enterprise network infrastructure based on client requirements, BOQs, and approved designs. • Install, configure, and troubleshoot: ◦ Routing & Switching — Cisco routers, Cisco Catalyst, Cisco Meraki MS, Aruba switches. ◦ Firewalls / NGFW — Cisco Firepower (FTD), Cisco Meraki MX, ASA; exposure to checkpoint, Palo Alto and Fortinet is a plus. ◦ NAC / AAA — Cisco ISE (PAN/PSN/MNT, PxGrid), 802.1X/MAB wired & wireless, posture policies, TACACS+; Aruba ClearPass exposure is an advantage. ◦ Switching & Wireless — Cisco and Aruba • Prepare scope of work documents, implementation plans, and activity schedules aligned to customer requirements. • Execute site surveys, migrations, cutovers, and go-live activities, including after-hours change windows where required. Operations & Support • Provide L2/L3 troubleshooting for bandwidth, latency, connectivity, authentication, and performance issues across customer environments. • Perform periodic hardening, configuration backups, and health checks of network and security devices. • Coordinate with ISPs, vendor TAC, NOC teams, and field engineers to drive issues to resolution with minimal supervision. Documentation & Governance • Produce and maintain HLD/LLD documents, as-built documentation, runbooks, UAT test plans, and knowledge-transfer material. • Log and manage work through ticketing/CRM platforms (ServiceNow, Salesforce, or equivalent). • Adhere to customer change-control processes and project governance standards. Team & Customer Engagement • Act as a trusted technical point of contact for customers during project delivery. • Mentor and guide junior engineers on implementation best practices. • Support presales with technical inputs, effort estimation, and proof-of-concept activities when needed. Required Qualifications & Experience • Bachelor's degree in Computer Science / IT or equivalent (e.g., BCA, <B.Tech>). • 5+ years of hands-on experience in enterprise network and security implementation or operations. • Proven delivery experience in multi-site / branch environments • Strong working knowledge of: ◦ TCP/IP, OSI model, NAT, DHCP, DNS, HSRP. ◦ Routing protocols: OSPF, EIGRP, BGP, static/default routing. ◦ Switching: VLANs, inter-VLAN routing, STP, VTP, LACP. ◦ VPN technologies: Site-to-Site, policy-based, GRE, DMVPN, IPsec. • Hands-on firewall experience: Cisco ASA/Firepower configuration, NAT, HA/failover, clustering. • Hands-on NAC experience: Cisco ISE deployment (standalone/distributed), Dot1x/MAB policy creation, posture, TACACS+. • Familiarity with monitoring/management tools • Working knowledge of cloud Networking is a plus Certifications • Industry certification on relevant technologies What We Look For • Strong customer-facing communication and documentation skills. • Ability to independently own end-to-end implementations from kickoff to sign-off. • Willingness to travel to customer sites across the UAE and support occasional after-hours change windows. • A continuous-learning mindset across multi-vendor network and security technologies.