Senior Network Engineer (Lead)

Piper Companies is seeking a Senior Network Engineer (Lead) for a large‑scale enterprise organization focused on modernizing and operating mission‑critical network infrastructure. The Senior Network Engineer will lead architecture, deployment, and operations across routing, switching, security, SDN, and data center fabrics. This role is a long‑term contract position and will be onsite in Newton, PA. This individual must have a public trust clearance.

Responsibilities for the Senior Network Engineer (Lead) include:

·      Lead the design and optimization of enterprise L2/L3 networks across campus, data center, WAN, and cloud environments.

·      Serve as the primary engineer for BGP, OSPF/IS‑IS, MPLS/Segment Routing, EVPN/VXLAN, QoS, and Multicast.

·      Architect and support ACI fabrics, including tenants, VRFs, contracts, and multi‑pod/multi‑site deployments.

·      Engineer and maintain SD‑WAN (Viptela) architecture, policies, and cloud on‑ramps.

·      Support security platforms including ISE (802.1X/SGTs), ASA/FTD/Firepower, Umbrella, Duo, and remote access VPN.

·      Enhance observability using telemetry, NetFlow/IPFIX, and ThousandEyes.

·      Lead lifecycle upgrades, migrations, and major incident response efforts.

·      Collaborate with architects, SRE teams, security engineers, and cross‑functional stakeholders.

·      Maintain accurate network documentation including diagrams, standards, and configuration baselines.

·      Participate in an after‑hours on‑call rotation to support network reliability.

Qualifications for the Senior Network Engineer (Lead) include:

·      8+ years of enterprise or service provider network engineering experience, including leadership responsibilities.

·      Deep expertise with BGP, OSPF/IS‑IS, MPLS, Segment Routing, EVPN/VXLAN, and QoS.

·      Hands-on experience with ACI and/or EVPN/VXLAN data center fabric technologies.

·      Strong experience with SD‑WAN (Viptela) and hybrid cloud connectivity.

·      Background with ISE (AAA/802.1X/SGTs), next‑gen firewalls (ASA/FTD), and remote access VPN.

·      Proficiency with automation tools such as Python, Ansible, or Terraform.

·      Experience with ThousandEyes or similar observability tools.

·      Familiarity with AWS/Azure/GCP networking preferred.

·      Strong communication skills and the ability to mentor junior engineers.

·      CCNP required; CCIE strongly preferred.

Compensation for the Senior Network Engineer (Lead) Include:

·      Salary range: $130,000 - $155,000

·      Comprehensive benefits package including Medical, Dental, Vision, 401k, PTO, holidays, and sick leave as required by law.

Keywords: network engineer, network, BGP, OSPF, IS-IS, MPLS, Segment routing, SR-MPLS, SRv6, EVPN, VXLAN, multicast, PIM, IGMP, QoS, L2 architecture, L3 architecture, LAN, WAN, campus networking, Cisco ACI, Nexus 9K, Nexus 7K, NX-OS, IOS-XE, IOS-XR, catalyst switching, viptela, ASA, firepower, umbrella, TrustSec, VPN, leaf-spine archiecture, Multi-pod, AWS, Azure, GCP, ExpressRoute, python, ansible, terraform, CI/CD, IaC, infrastructure as code, telemetry, network design, troubleshooting, collaboration, documentation

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This job is open for applications on 2/13/2026 and will remain open for at least 30 days from the posting date.