Junior Network Engineer
IS3 Solutions
Junior Network Engineer – Enterprise Infrastructure 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. 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 Required Qualifications 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 IS3 Solutions$126k - $171k
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