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RTX

Principal Platform Software Engineer (Onsite)

United States

The salary range for this role is 118,300 USD - 224,900 USD.

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Job details

Pay: The salary range for this role is 118,300 USD - 224,900 USD.
Posting language: English
Posted: Nov 2, 2026

Original job description

Date Posted:

2026-11-02

Country:

United States of America

Location:

US-TX-PLANO-465 ~ 465 Independence Pkwy ~ INDEPENDENCE

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type:

Top Secret - Current

Security Clearance Status:

Active and existing security clearance required on 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.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon has an opportunity for a Principal Platform Software Engineer with well-rounded Infrastructure Platform Engineering expertise to join an agile product team. The Ideal candidate will have experience in both traditional infrastructure design, provisioning, and deployment of compute, storage, and networking resources and emerging modern Infrastructure as Code (IaC) automation technologies.

The Principal Platform Software Engineer would be involved with development and implementation of traditional compute, network, storage systems and related deployments, as well as support improving the program’s over-arching platform design through new emerging technologies. This includes existing operating systems and server hardware designs, as well as supporting the design and development of new modernized system architectures through automation tools.

What You Will Do

Work directly with Infrastructure Architect to design, develop, and maintain the platform architecture
Implement identified modernization strategies for the Program Work Environment (PWE) and mission-critical systems
Serve as Platform Engineering team technical lead and subject matter expert (SME) for design, development, implementation, deployment and integration of software and infrastructure platform services on Linux and Windows based Operating Systems
Write Infrastructure as Code (IaC) in support of transitioning a system that is tightly coupled to the underlying infrastructure to a modern platform infrastructure
Contribute to the design, implementation, and maintenance of CI/CD pipelines to streamline and enhance platform engineering development and delivery processes
Work closely with software developers, program subject matter experts (SMEs), Digital Technology (DT) and Cybersecurity teams to implement and maintain reliable, secure and compliant solutions across multiple environments
Establish platform engineering standards and best practices driving initiatives that raise DevSecOps maturity, expand Infrastructure-as-Code adoption, and increase automation coverage
Provide direct mentoring and technical oversight for junior platform engineering team members
Communicate technical concepts to multiple stakeholders including external customers, program leadership, and development teams
This job is onsite in Plano, TX; applicants must be in the area or willing to relocate

Qualifications You Must Have

Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant engineering experience.
Expertise in architecting, designing, documenting, implementing, deploying and integrating software and infrastructure platform services on Linux/Windows Operating Systems and Virtualization technologies using Infrastructure as Code (IaC)
Experience with infrastructure automation and configuration management tools such as Terraform and/or Ansible
Experience with Agile Development Methodologies, e.g., Scrum or SAFe
Active and transferable Top Secret U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

Active and transferable U.S. government issued Top Secret security clearance with Special Program Access.
Current CompTIA Security + or ability to obtain within 90 days
Experience deploying, configuring, and supporting CI/CD Pipelines tools (E.g. Jira, Confluence, Bit Bucket, Jenkins, Artifactory, Gitlab)
Background in COTS/FOSS product installation, configuration, and integration
Multi-disciplined infrastructure experience and expertise (Server, Storage, Network Hardware)
Experience with programming languages (E.g. Python, Java, Ruby, Bash, C++, C#, Go).
Experience troubleshooting performance, reliability, and availability issues across Linux/Windows based platforms and infrastructure services
Experience with containerization using technologies such as Kubernetes, Docker, Podman, Helm, Rancher

What We Offer

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
Relocation Offered Based On Eligibility

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role:
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.
Clearance Information: This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process.
More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm
Location Information: This position is onsite at our campus in beautiful Plano, TX.
https://careers.rtx.com/global/en/raytheon-north-texas-location
We Are RTX

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.

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.

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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

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.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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.

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More about this job

Skills

Research
Infrastructure as code
Automation technology
Linux
Microsoft Windows
CI/CD
Cybersecurity
Coaching
Leadership
IBM Terraform
Ansible
Agile development
Scrum
Microsoft Access
Jira
Atlassian Confluence
Jenkins
GitLab
Programming languages
Python
Oracle Java
Ruby
Bash
C++
C#
Go
Troubleshooting
Kubernetes
Docker

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