Junior Network Engineer

Junior Network Engineer

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market-leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Join us and help shape the future of aerospace and defense.

The following position is to join our RTX Corporate, Classified Digital Services (CDS) organization.

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.

What You Will Do

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.

Qualifications You Must Have

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.