> Markdown version of [/jobs/ext/3651243-senior-network-engineer](https://www.wearedevelopers.com/jobs/ext/3651243-senior-network-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - **Company:** HCL America Inc. - **Location:** Lone Tree, CO, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Border Gateway Protocol, Cisco PIX, Configuration Management Databases, System Configuration, Dynamic Host Configuration Protocol, Domain Name System (DNS), Enhanced Interior Gateway Routing Protocol, Monitoring of Systems, Hot Standby Router Protocol, Key Management, Network Security, McAfee VirusScan, Network Architecture, Routing, Cisco Nexus Switches, Open Shortest Path First (OSPF), Virtual Router Redundancy Protocols, Wide Area Networks, Wireless Access Point, Wi-Fi Technology, Network Routers, Load Balancing, Firewalls (Computer Science), Amazon Virtual Private Cloud (VPC), SolarWinds (Software), Network Support, Palo Alto Networks, Firewall Services Module, Cisco Switches, Cisco - **Published:** October 9, 2026 - **Apply:** https://www.disabledperson.com/jobs/75937666-senior-network-engineer ## About the Role CCNP- Routing and switching or equivalent certification ## Description * Experience of managing & responsible for Network Data and Security track and manage Incident, Change and Problem management * Responsible and first level escalation point for Incident, change, and problems * Knowledge on configuring and troubleshooting the Cisco Routing, Switching , Firewalls & Wireless * Knowledge on Cisco ACI and implementation * Knowledge to review network maintenance and device upgradesa including patches, hot fixes and security configurations. * Experience in Wifi products such as cisco WLC and Access points. * Review the performance and ensuring service availability and reliability * Review system resource utilization, trending, and capacity planning. * Provide Level-3 support and troubleshooting to resolve issues. * Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure. * Liaise with vendors and other IT personnel for problem resolution. * Support in DR tests/failover from WAN perspective. * Providing network engineering support and training to other team members. * Ability to manage the devices through Cisco Prime Infrastructure & managing the DNS Records with third party Vendor * Managing and reviewing the CMDB on Snow * 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 etc. * Experience with Routers, switches, HSRP, VRRP & GLBP redundancy protocols, Firewalls * Strong troubleshooting skills by providing support for any network & security related issues * Experience in monitoring tools like Solar Winds, thousand eye * Experience in Infoblox. * Experience in Load balancers such F5(LTM, GTM) * Responsible for ensuring the team to adhere to the SLAs and process * Responsible Level 3 Troubleshoot and resolve Cisco ASA, Checkpoint Firewalls, McAfee Web gateway, Barracuda Email security, Thales Key management -related issues * Responsible for performing Root Cause Analysis for major incidents * Responsible for configuring changes on Cisco ASA, Checkpoint Firewalls, McAfee Web gateway, Barracuda Email security, Thales Key management to meet organizational security requirements * Responsible for Integration of new Cisco ASA, Checkpoint Firewalls, McAfee Web gateway, Barracuda Email security, Thales Key management to AWS cloud environment. * Responsible for creating and maintaining firewall rules, policies, and objects using centralized management tool (Checkpoint Mgmt. server) * Responsible for providing technical guidance and support to other IT team members * Responsible for making customer environment to stay up to date with the latest Palo Alto Networks technologies and best practices