Senior Network Engineer — Lead Security & WAN Architect

HCLTech; Highlands Ranch (CO); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) Retirement plan

Paid time off

Job summary

HCLTech in the United States is seeking an experienced Network and Security Engineer to manage the network data and security track, incidents, changes and problems end-to-end. You will troubleshoot Cisco routing, switching, firewalls, wireless, and Nexus platforms, review CMDB entries, and support DR tests from a WAN perspective.

Collaboration with vendors and internal teams is essential to maintain SLA compliance.

Qualifications

• Experience in managing network security and data tracks with incident, change and problem management
• First level escalation for incidents, changes and problems
• Hands-on Cisco routing, switching, firewalls and wireless configuration and troubleshooting
• Experience with Cisco ACI and implementation
• Review/maintain CMDB and network devices using SNOW and related tools
• Support DR/failover from WAN perspective
• Provide technical guidance and Level-3 support to the team
• Manage firewall rules and security configurations across multiple vendor platforms
• Experience with load balancers (F5) and DNS/DHCP/IPAM

Responsibilities

• Manage network data and security track and ensure SLA adherence
• Act as first escalation point for incidents, changes, and problems
• Configure and troubleshoot Cisco devices and security appliances
• Review and implement patches, hotfixes, and security configurations
• Collaborate with vendors and IT teams for issue resolution
• Provide Level-3 troubleshooting to resolve complex network/security issues
• Support DR tests and WAN failover scenarios
• Maintain and review CMDB integrity in Snow

Skills

Network data & security management

Incident management

Change management

Problem management

Level-3 support

Cisco networking troubleshooting

Network troubleshooting

Vendor liaison

DR testing support

Troubleshooting security issues

Education

CCNP Routing & Switching or equivalent

Tools

Cisco Prime Infrastructure

Snow CMDB

Infoblox

SolarWinds

F5 LTM/GTM

Checkpoint Mgmt server

Nexus NX- platforms

DNS/DHCP/IPAM

Job description

HCLTech in the United States is seeking an experienced Network and Security Engineer to manage the network data and security track, incidents, changes and problems end-to-end. You will troubleshoot Cisco routing, switching, firewalls, wireless, and Nexus platforms, review CMDB entries, and support DR tests from a WAN perspective.

Collaboration with vendors and internal teams is essential to maintain SLA compliance.