Senior Network Engineer

Prattwhitney; 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

Date Posted: 2026-11-03 Country: United States of America Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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 Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1

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.

Senior Network Engineer

As a Senior Network Engineer, you will provide advanced engineering expertise to support secure, reliable, and high-performing network infrastructure for classified operations. You will lead complex troubleshooting efforts, strengthen network security, ensure compliance, and provide technical guidance to junior engineers.

What You Will Do

• Implement, secure, and maintain enterprise network infrastructure, including routing, switching, firewalls, segmentation, and classified communication technologies.
• Lead complex network troubleshooting, root-cause analysis, and long-term remediation efforts.
• Develop and maintain secure networking standards, configuration baselines, and operational procedures.
• Oversee core network services, including DNS, DHCP, IP management, VPNs, VLANs, and traffic optimization.
• Lead network upgrades, patching, capacity planning, and security hardening.
• Maintain accurate network documentation, configurations, and environment inventories.
• Collaborate with cybersecurity, systems administration, and classified-program teams to ensure secure, highly available environments.
• Mentor junior engineers and drive improvements in network performance, resilience, and security.

Qualifications You Must Have

• Typically requires a University Degree or equivalent experience and a minimum of 8 years of prior relevant experience, or an Advanced Degree in a related field and a minimum of 5 years of experience.
• Active Secret Clearance or eligibility to obtain one.
• Advanced knowledge of networking protocols and technologies, including routing, switching, firewalls, QoS, BGP, and OSPF.
• Extensive hands‑on experience with enterprise networking platforms such as Cisco and Palo Alto.
• Strong communication, documentation, analytical, and problem-solving skills.
• Experience with scripting and automation tools such as Python, PowerShell, or Ansible.
• Familiarity with classified computing environments, compliance frameworks, and accreditation processes.
• Experience with cloud or hybrid networking technologies, including Azure or AWS.
• Certifications: CCNP, CISSP, Security+, or other advanced networking and security credentials.

Qualifications We Prefer

• Active TS/SCI clearance with CI Polygraph, or eligibility to obtain the required clearance.
• Certifications: CCNP, CISSP, Security+, or other advanced networking and security credentials.

Benefits

Hired applicants may be eligible for benefits, including but not limited to:

• medical
• dental
• vision
• 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

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective‑bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

Work Location

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

Salary

The salary range for this role is 118,300 USD - 224,900 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Privacy Policy and Terms: Click on this link to read the Policy and Terms RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.