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# Network Engineer (Junior) - TS/SCI with Polygraph Required

- **Company:** Catalyst
- **Location:** Vienna, VA, United States
- **Experience:** Starter
- **Salary:** $95,000.0 - $125,000.0
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Networking Hardware, Virtual Private Networks (VPN), Network Security, Routing, Open Shortest Path First (OSPF), Wide Area Networks, Computer Network Operations, Juniper, Information Technology, Cisco
- **Published:** July 29, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=ec33158ed14f0f91

## About the Role

US Citizenships and TS/SCI with Polygraph (no exceptions), * Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field and 0-3 years of relevant professional network engineering experience; equivalent combination of education and experience may be considered, * Working knowledge of enterprise network infrastructure (LAN/WAN/CAN) configuration and troubleshooting

 * Familiarity with routing and switching protocols (e.g., OSPF, BGP, VPN)
 * Exposure to network hardware from major vendors (e.g., Cisco, Juniper, Brocade)
 * Basic understanding of network security principles and secure design practices
 * Working toward or holding DoD 8140/8570 Information Assurance Technical (IAT) certification
 * Strong troubleshooting and problem-solving skills
 * Strong written and oral communication skills, with the ability to collaborate effectively across a network operations team

## Description

Junior Network Engineers support the configuration, monitoring, and troubleshooting of enterprise network infrastructure in support of the customer's requirements, working as members of a network operations team under the guidance of more experienced engineers. Junior Network Engineers assist with implementation of routing and switching changes, support Tier I/II troubleshooting of connectivity and performance issues, and help maintain accurate network documentation. Junior Network Engineers are expected to build foundational networking depth while contributing reliably to the stability of mission-critical network operations.


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