Senior Network Engineer; Lead Security Clearance

Position: Senior Network Engineer (Lead) with Security Clearance
Location: Newton

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, Net Flow/IPFIX, and Thousand Eyes.
· 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 Thousand Eyes 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. /CD, IaC, infrastructure as code, telemetry, network design, troubleshooting, collaboration, documentation #LI-BH1 #ONSITE This job is open for applications on 2/13/2026 and will remain open for at least 30 days from the posting date.