> Markdown version of [/jobs/ext/4564362-junior-network-engineer](https://www.wearedevelopers.com/jobs/ext/4564362-junior-network-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Network Engineer - **Company:** RTX - **Location:** Richardson, TX, United States - **Experience:** Starter - **Salary:** $95,500.0 - $181,700.0 - **Contract:** Permanent contract - **Skills:** System Configuration, Dynamic Host Configuration Protocol, Domain Name System (DNS), IP Address Management, OSI Models, Python (Programming Language), Network Security, Network Configuration and Change Management, Network Architecture, Networking Basics, Network Diagrams, Network Connections, Routing, Network Segmentation, Network Service, Windows PowerShell, TCP/IP, Virtual Local Area Networks, Scripting, Software Troubleshooting, Firewalls (Computer Science), SC Clearance, Network Support, Cisco - **Published:** November 4, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-TX-RICHARDSON-C17--1717-Cityline-Dr--CITYLINE-C17/Junior-Network-Engineer_01886240 ## About the Role The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Typically requires a University Degree or equivalent experience and a minimum of 5 years of prior relevant experience, or an Advanced Degree in a related field and a minimum of 3 years of experience. * Active Secret Clearance or eligibility to obtain one. * Experience with networking principles, including TCP/IP, routing, switching, and the OSI model. * Experience with enterprise networking equipment such as Cisco and Palo Alto. * Experience with cybersecurity frameworks and compliance standards, such as NIST, RMF, and DISA STIGs. Qualifications We Prefer * Active TS/SCI clearance with CI Polygraph. * Strong troubleshooting, analytical, documentation, and problem-solving skills. * Effective communication and ability to collaborate with technical and non-technical stakeholders across classified-services teams. * Certifications such as CCNA, Security+, or other networking and security credentials. * Exposure to scripting or automation tools such as Python or PowerShell. ## Description As a Junior Network Engineer, you will support the implementation, maintenance, and security of network infrastructure within classified environments. Working alongside senior engineers, you will help troubleshoot network issues, maintain secure network services, support compliance activities, and contribute to infrastructure projects that protect mission-critical systems., * Assist with configuring, monitoring, and maintaining routers, switches, firewalls, and secure communication systems. * Troubleshoot network connectivity and performance issues, escalating complex incidents as needed. * Support network security controls and ensure compliance with CDS standards and regulatory requirements. * Maintain network services, including DNS, DHCP, IP address management, VLANs, and network segmentation. * Assist with infrastructure upgrades, patching, and configuration changes. * Maintain network diagrams, device configurations, technical documentation, and standard operating procedures. * Support compliance reviews, audits, and network configuration assessments. * Provide network support to CDS users and collaborate with senior engineers on classified network projects and modernization initiatives.