Senior Administrator - Network LAN/WAN
Teknik, data och digitalt · IT-infrastruktur och säkerhet · Cybersäkerhet · Nätverksadministration · Mjukvaruutveckling
I korthet
Senior Network Administrator with 5+ years of experience in LAN/WAN, data, and security management. Responsibilities include leading the network track, incident/change/problem management, and troubleshooting Cisco routing, switching, firewalls, and wireless technologies. Experience with Cisco ACI, Nexus platforms, DNS, DHCP, IPAM, and cloud integration (AWS) is required.
Ansvarsområden
- Manage and lead Network Data and Security track, handling Incident, Change, and Problem management.
- Act as the first level escalation point for incidents, changes, and problems.
- Configure and troubleshoot Cisco Routing, Switching, Firewalls, and Wireless devices.
- Implement and manage Cisco ACI.
- Review network maintenance, device upgrades, patches, hot fixes, and security configurations.
- Manage Wifi products like Cisco WLC and Access Points.
- Review performance, ensuring service availability and reliability.
- Monitor system resource utilization, trending, and capacity planning.
- Provide Level-3 support and troubleshooting for network issues.
- Adhere to configuration and change management policies.
- Liaise with vendors and IT personnel for problem resolution.
- Support DR tests and failover from the WAN perspective.
- Provide network engineering support and training to team members.
- Manage devices via Cisco Prime Infrastructure and manage DNS records with a third-party vendor.
- Manage and review CMDB on Snow.
- Troubleshoot and resolve issues with Cisco ASA, Checkpoint Firewalls, McAfee Web gateway, Barracuda Email security, and Thales Key management.
- Perform Root Cause Analysis for major incidents.
- Configure changes on firewalls to meet organizational security requirements.
- Integrate firewalls into AWS cloud environments.
- Create and maintain firewall rules, policies, and objects using Checkpoint Management Server.
- Provide technical guidance and support to other IT team members.
- Ensure customer environments are up-to-date with the latest Palo Alto Networks technologies and best practices.
Krav
- 5+ Years Network Data & Security experience.
- CCNP- Routing and switching or equivalent certification.
Önskade kvalifikationer
- Extensive knowledge of LAN and WAN technologies.
- Excellent exposure to current Leaf>Spine>Leaf architectures, validated designs, and methodologies.
- Excellent knowledge of dynamic routing protocols: Eigrp, OSPF, iBGP, eBGP.
- Excellent exposure to Nexus 2/3/5/7/9K platforms.
- Excellent exposure to DNS, DHCP & IPAM.
- Strong experience in managing Nexus/Cisco switches with FEX, VPC, VXLAN, VDC's.
- Experience with Routers, switches, HSRP, VRRP & GLBP redundancy protocols, Firewalls.
- Strong troubleshooting skills for network & security related issues.
- Experience in monitoring tools like Solar Winds, thousand eye.
- Experience in Infoblox.
- Experience in Load balancers such F5(LTM, GTM).
- Experience integrating firewalls into AWS cloud environments.
- Experience creating and maintaining firewall rules, policies, and objects using centralized management tools (Checkpoint Mgmt. server).
- Experience making customer environments stay up to date with the latest Palo Alto Networks technologies and best practices.
Förmåner
- Supercharge your potential at HCLTech.
- Find your career and spark at HCLTech.
- HCLTech puts its people first.
- Work at a global technology company with over 223,000 employees across 60 countries.
- Opportunity to work with clients across major verticals including Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services.
#Network#LAN#WAN#Data#Security#Cisco#Routing#Switching#Firewalls#Wireless#ACI#Nexus#DNS#DHCP#IPAM#AWS#Infoblox#F5#Load Balancer#Troubleshooting#CCNP