Network Reliability Engineer L3 Burlington City - NJ - New Jersey

Role: Network Reliability Engineer L3, Work closely with network architects, operations, SRE, and application teams to embed reliability by design.

Contribute to network design reviews focusing on resilience, failure domains, capacity, and automation readiness.

Documentation & Mentoring:

Create and maintain runbooks, playbooks, and documentation for ops teams.

10+ years of experience supporting enterprise network environments across LAN, WAN, WLAN, Security, and Data Center technologies.

Key Responsibilities

Develop backend and full-stack features using Python, Django, and PostgreSQL.

Build and maintain REST GraphQL APIs.

Create automation workflows for network operations and approvals.

Work with MongoDB, Redis, Celery, and RabbitMQ for data handling and background tasks.

Deploy and manage applications using Docker and Kubernetes.

Support automation using Terraform and Ansible.

Build CICD pipelines using GitLab CI, Jenkins, or GitHub Actions.

Integrate with tools such as ServiceNow, Git, and network vendor APIs.

UI full stack experience for JS and HTML catalogs creations.

Technical Skills

Experience in network engineering NOC NRE NetDevOps roles.

Core Networking: Strong in Routing & Switching (BGP, OSPF, EIGRP, STP, VLANs, VRFs, HSRPVRRP, etc.).

Network Domains: Hands-on in one or more areas - Enterprise LANWAN, SD-WAN, Data Center (NexusACI), WLAN, firewalls, or load balancers.

Automation & Net DevOps:

Design, build, and maintain network automation using Python, Ansible, Terraform, Git, CICD.

Implement Infrastructure as Code (IaC) for configuration and lifecycle management.

Integrate workflows with Source of Truth (NetBoxNautobot) and ITSM tools (ServiceNow).

Develop reusable modules, playbooks, and pipelines for provisioning, upgrades, backups, and compliance.

Use Python with network libraries (Netmiko, NAPALM, pyATS, etc. as a plus).

Git & CICD: Comfortable with Git (branches, merge requests) and basic CICD pipelines.

Observability: Experience with at least one monitoring stack (SolarWinds, Cisco DNAC, ThousandEyes, PrometheusGrafana, SplunkELK, etc.).

Protocols & Troubleshooting: Strong understanding of TCPIP, DNS, DHCP, VPNs, QoS, and proven ability to troubleshoot complex network issues under pressure.