Senior Network Engineer – Onsite (Secret Clearance)

RTX; Richardson (TX); On-site; USD 118,000 - 225,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Short-term disability

Long-term disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee assistance program

Employee Scholar Program

Parental leave

Paid time off

Holidays

Job summary

RTX is seeking a Senior Network Engineer to design, secure, and maintain enterprise network infrastructure for classified operations. You will lead complex troubleshooting, strengthen security, ensure compliance, and guide junior engineers while collaborating with cybersecurity and systems teams.

Onsite work in Richardson, TX is required. Ideal candidates have a university degree with 8+ years of relevant experience (or an advanced degree with 5+ years), active Secret clearance, and strong

Qualifications

• Bachelor's degree or equivalent experience plus 8+ years, or an Advanced Degree with 5+ years of experience.
• Active Secret Clearance or eligibility to obtain one.
• Advanced knowledge of routing, switching, firewalls, QoS, BGP, OSPF.
• Hands-on experience with Cisco and Palo Alto networks.
• Strong communication, documentation, analytical and problem-solving skills.
• Experience with scripting/automation: Python, PowerShell, Ansible.
• Familiarity with classified computing environments, accreditation processes.
• Experience with cloud or hybrid networking: Azure or AWS.
• Certifications: CCNP, CISSP, Security+ or equivalent.

Responsibilities

• Implement, secure, and maintain enterprise network infrastructure for classified operations.
• Lead complex network troubleshooting, root-cause analysis, and remediation.
• Develop and maintain secure networking standards, baselines, and procedures.
• Oversee core services: DNS, DHCP, IP management, VPNs, VLANs, traffic optimization.
• Lead network upgrades, patching, capacity planning, and security hardening.
• Maintain network documentation and inventories.
• Collaborate with cybersecurity, systems administration, and classified teams.
• Mentor junior engineers and drive performance improvements.

Skills

Networking protocols

Security clearance

Cloud networking

Scripting: Python/PowerShell/Ansible

Cisco & Palo Alto

Clearance eligibility

Education

Bachelor's degree or equivalent

Advanced degree

Tools

Cisco

Palo Alto

Job description

RTX is seeking a Senior Network Engineer to design, secure, and maintain enterprise network infrastructure for classified operations. You will lead complex troubleshooting, strengthen security, ensure compliance, and guide junior engineers while collaborating with cybersecurity and systems teams.

Onsite work in Richardson, TX is required. Ideal candidates have a university degree with 8+ years of relevant experience (or an advanced degree with 5+ years), active Secret clearance, and strong