What are the responsibilities and job description for the Network Reliability Engineer L3 position at KTek Resourcing?
Role: Network Reliability Engineer L3
Location: Burlington City, NJ (Onsite)
Job Description:
Primary Skill: Fortinet
Experience
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 CI/CD 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, HSRP/VRRP, etc.).
- Network Domains: Hands-on in one or more areas – Enterprise LAN/WAN, SD-WAN, Data Center (Nexus/ACI), WLAN, firewalls, or load balancers.
- Automation & Net DevOps:
- Design, build, and maintain network automation using Python, Ansible, Terraform, Git, CI/CD.
- Implement Infrastructure as Code (IaC) for configuration and lifecycle management.
- Integrate workflows with Source of Truth (NetBox/Nautobot) 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 & CI/CD: Comfortable with Git (branches, merge requests) and basic CI/CD pipelines.
- Observability: Experience with at least one monitoring stack (SolarWinds, Cisco DNAC, ThousandEyes, Prometheus/Grafana, Splunk/ELK, etc.).
- Protocols & Troubleshooting: Strong understanding of TCP/IP, DNS, DHCP, VPNs, QoS, and proven ability to troubleshoot complex network issues under pressure.
- Collaboration & Design:
- 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.
- Mentor engineers on NetDevOps, automation, and reliability best practices.
Network Reliability Engineer L3