Network Engineer

Job Title: Network Reliability Engineer L3

Location: Burlington City, NJ

Work Arrangement: Onsite

Employment Type: Contract

About the Role

We are seeking an experienced Network Reliability Engineer L3 to join our team. The successful candidate will be responsible for supporting enterprise network environments, driving NetDevOps initiatives, building custom network automation tooling, and ensuring infrastructure reliability 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.

Required Qualifications

Primary Skill – Network Automation, Palo Alto, Fortinet

Experience

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

• 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.

Work Authorization

Applicants must be legally authorized to work in the United States.

Equal Employment Opportunity

Themesoft Inc is an Equal Employment Opportunity employer. We consider qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other status protected by applicable federal, state, or local law.