Junior Network Engineer - Classified (Onsite)

RTX; Richardson (TX); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Medical/dental/vision

401(k) match

Paid time off

Job summary

RTX Corporate, Classified Digital Services (CDS) seeks a Junior Network Engineer to support secure network infrastructure in classified environments. You will work with senior engineers to configure routers, switches, firewalls, and secure communications, and help ensure compliance with CDS standards.

The role is onsite in Richardson, TX, requires a DoD Secret clearance and typically a university degree or equivalent with 3–5 years of experience; strong focus on networking, security, and

Qualifications

• Typically requires a University Degree or equivalent experience and a minimum of 5 years of prior relevant experience, or an Advanced Degree with a minimum of 3 years.
• 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.

Responsibilities

• 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 and technical documentation and SOPs.
• Support compliance reviews, audits, and network configuration assessments.
• Provide network support to CDS users and collaborate with senior engineers on projects.

Skills

TCP/IP

Routing & Switching

OSI model

Network security

Documentation

Collaboration

Education

University Degree or equivalent

Advanced Degree (optional)

Tools

Cisco devices

Palo Alto devices

Job description

RTX Corporate, Classified Digital Services (CDS) seeks a Junior Network Engineer to support secure network infrastructure in classified environments. You will work with senior engineers to configure routers, switches, firewalls, and secure communications, and help ensure compliance with CDS standards.

The role is onsite in Richardson, TX, requires a DoD Secret clearance and typically a university degree or equivalent with 3–5 years of experience; strong focus on networking, security, and