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# Senior Network Engineer

- **Company:** Lumen Solutions Inc.
- **Location:** Philadelphia, PA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Cisco PIX, Enhanced Interior Gateway Routing Protocol, Firmware, Networking Hardware, Network Architecture, Network Installation Services, Network Monitoring, Routing, Software Troubleshooting, Firewalls (Computer Science), Cisco Firewalls, Network Support, Cisco
- **Published:** August 5, 2026
- **Apply:** https://www2.jobdiva.com/portal/?a=yyjdnwtj1vk20likwp2a7oa2mc2scw064c948z22g23e046qehohegye8oqt3zi6&compid=0/jobs/27095911#/jobs/27095911

## About the Role

We are seeking a highly experienced Senior Network Engineer with 15+ years of hands-on enterprise networking experience. The ideal candidate will possess deep expertise in routing protocols (BGP, EIGRP), Cisco firewall technologies, and enterprise-scale network infrastructure design. Experience with migration from Cisco ASA to Cisco Secure Firewall Threat Defense (FTD) is mandatory., * 15+ years of Network Engineering experience in large enterprise or industrial environments.

 * Strong expertise in Routing protocols: BGP and EIGRP (Mandatory).
 * Hands-on experience with Cisco Firewalls.
 * Proven experience migrating from Cisco ASA to Cisco Secure Firewall Threat Defense.
 * Experience implementing and managing new network deployments and firewall migrations.
 * Strong troubleshooting, analytical, and problem-solving skills.
 * Ability to work independently with minimal supervision.
 * Excellent communication skills (written and verbal).
 * Ability to manage multiple priorities with strong attention to detail., Active Cisco CCNP certification preferred.
Other Cisco certifications are a strong plus.
CCIE certifications is plus.
Siemens CPIN-level equivalent certification is acceptable.

## Description

* Design, develop, install, and maintain enterprise network infrastructure including routers, switches, and related equipment.
 * Implement and manage network security solutions including firewalls, ACLs, and object groups.
 * Lead migration efforts from Cisco ASA to Cisco Secure Firewall Threat Defense (FTD).
 * Configure and support routing protocols including BGP and EIGRP (MUST HAVE).
 * Monitor network performance and proactively troubleshoot outages and performance issues.
 * Perform firmware and software upgrades and routine network maintenance.
 * Provide remote and onsite technical support to internal teams and business users.
 * Test, deploy, and support new network hardware, software, and applications.
 * Develop detailed engineering design documentation for integrating new technologies.
 * Develop strategic roadmaps for infrastructure upgrades and enhancements.
 * Participate in audits, quality reviews, and compliance initiatives.


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