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# Junior Network Engineer

- **Company:** IS3 Solutions
- **Location:** Jersey City, NJ, United States
- **Experience:** Starter
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Cisco IOS, Command-Line Interface, Computer Networks, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Virtual Private Networks (VPN), Python (Programming Language), Linux System Administration, Linux Commands, Routing, Packet Analyzer, Open Shortest Path First (OSPF), Windows PowerShell, Server Virtualization, Software Deployment, TCP/IP, User Environment Management, Virtual Local Area Networks, Wireless Networks, Scripting, Computer Networking Systems, Transport Layer Security, Load Balancing, Computer Network Operations, Cisco, Citrix Netscaler
- **Published:** October 29, 2026
- **Apply:** https://www.thejobnetwork.com/job/6f639945-a047-4eda-9b88-268ad4de1e74/junior-network-engineer

## About the Role

* 1-3 years of hands-on technical exposure.
 * Foundational understanding of networking concepts:
 + TCP/IP
 + VLANs and trunking
 + Routing and switching (static routing and OSPF fundamentals)
 + DNS / DHCP
 + VPN fundamentals
 + NAT and ACL basics
 * Exposure to Cisco networking environments (Cisco IOS command line)
 * Basic Linux command-line experience

## Description

The Junior Network Engineer will support enterprise network and infrastructure operations for a global user environment. Day to day, you will help troubleshoot routing, switching, wireless, and endpoint connectivity issues, support Linux-based systems, and learn to support application delivery and load balancing infrastructure. You will also take part in deployments, upgrades, and operational support activities, and you will help keep documentation and runbooks accurate.
Key Responsibilities
Network Operations & Troubleshooting

 * Support day-to-day enterprise networking and infrastructure operations
 * Troubleshoot routing, switching, and connectivity issues in Cisco-based enterprise environments
 * Assist with enterprise wireless and endpoint connectivity troubleshooting
 * Investigate common issues such as VLAN misconfiguration, DNS/DHCP failures, routing problems, and VPN connectivity
 * Participate in root cause analysis and operational support workflows, including incident follow-up

Application Delivery & Load Balancing

 * Support load balancing infrastructure (Citrix NetScaler), including monitoring, basic configuration review, and troubleshooting alongside senior engineers
 * Learn application delivery concepts such as virtual servers, health checks, and SSL/TLS termination (training provided)

Linux & Systems Support

 * Support Linux-based systems and perform command-line administration tasks
 * Review logs, check services, and troubleshoot connectivity from Linux hosts
 * Use scripting (Python, Bash, or PowerShell) to automate repetitive tasks where appropriate

Deployments, Monitoring & Collaboration

 * Participate in infrastructure deployments, upgrades, and operational support activities
 * Use monitoring and packet analysis tools to identify and resolve network or connectivity issues
 * Collaborate with senior engineering teams across networking, infrastructure, endpoint, and platform engineering
 * Gain exposure to enterprise-scale infrastructure modernization initiatives

Documentation

 * Create and maintain operational runbooks, procedures, and knowledge articles
 * Document troubleshooting steps, changes, and findings clearly for the team