Sr. Network Engineer

Piper Companies is seeking a Sr. Network Engineer for a well-established organization within the enterprise technology industry located in Netwton, Pennsylvania. The Sr. Network Engineer role is an onsite position supporting large-scale campus and enterprise network environments. The Sr. Network Engineer will serve as a senior technical resource responsible for the design, deployment, and ongoing support of modern Cisco-based network architectures, with a strong emphasis on Software-Defined Access (SDA), formerly known as DNA Center and now referred to as Catalyst Center. An ideal candidate for the Sr. Network Engineer role is a hands-on network professional with deep expertise in SDA, enterprise routing and switching, and Cisco Catalyst platforms.

Responsibilities of the Sr. Network Engineer:

• Design, deploy, operate, and troubleshoot Cisco Software-Defined Access (SDA) environments in enterprise production networks.

• Utilize DNAC / Catalyst Center for provisioning, assurance, monitoring, and general network operations and maintenance.

• Implement and support SDA architectures including LISP, SDA fabric components, policy-based automation, and micro-segmentation.

• Integrate Cisco DNAC / Catalyst Center with Cisco ISE for identity-based access control and segmentation.

• Configure, support, and troubleshoot Cisco Catalyst 9000 Series switches including 9200-CX, 9300, 9500, and 9600 platforms.

• Support IPv4 and IPv6 routing environments utilizing BGP, IS-IS, and OSPF.

• Act as a senior escalation point for complex network issues across routing, switching, and SDA fabrics.

• Collaborate with infrastructure, security, and application teams to ensure network performance, scalability, and reliability.

• Develop and maintain network documentation, standards, and best practices.

Qualifications of the Sr. Network Engineer:

• 7+ years of experience in enterprise network engineering or architecture roles.

• Strong hands-on experience with Cisco SDA (DNA Center / Catalyst Center) including design, deployment, and troubleshooting.

• In-depth knowledge of SDA components, LISP, fabric architecture, and micro-segmentation.

• Proven experience integrating DNAC / Catalyst Center with Cisco ISE.

• Extensive experience with Cisco Catalyst 9000 Series switches (9200, 9300, 9500, 9600).

• Strong understanding of IPv4/IPv6 routing protocols including BGP, IS-IS, and OSPF.

• Experience supporting highly available, mission-critical enterprise networks.

• Cisco certifications such as CCNP or CCIE are strongly preferred.

Compensation for the Sr. Network Engineer includes:

• Salary range: $140,000 - $160,000

• Comprehensive benefits package including medical, dental, vision, 401(k), PTO, and Sick Leave as required by law

• This job opens for applications on 03/17/2026. Applications for this job will be accepted for at least 30 days from the posting date.

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