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Senior. Systems Engineer - EMT (Onsite)

RTX
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Richardson, TX, USA
Sep 20, 2026

Date Posted:

2026-09-10

Country:

United States of America

Location:

US-TX-RICHARDSON-C27 ~ 1727 Cityline Dr ~ CITYLINE C27

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:

TS/SCI with Polygraph

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 freedom and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Raytheon IIS is seeking a Senior. Systems Engineer to join the Infrastructure Environment Management Team (EMT) onsite at our Richardson, TX facility. In this role, you will play a critical part in designing, configuring, and managing development, software Integration & Test (I&T), system I&T, and performance test factory infrastructure environments. Your contributions will support critical missions and ensure system stability and usability.

What You Will Do

  • Serve as the first line of defense in troubleshooting issues across multiple Integration & Test (I&T) environments
  • Interface with Software Engineers to document installation instructions and support I&T staff by modifying environments as needed
  • Develop and maintain scripts using Bash, Perl, Ruby, or Python to monitor and enhance system stability and usability
  • Manage and configure Red Hat Enterprise Linux and VMware solutions
  • Support the integration of Commercial Off-The-Shelf (COTS) and Free and Open-Source Software (FOSS) into system environments
  • Collaborate with cross-functional teams to address technical challenges and ensure compliance with requirements
  • Contribute to the maintenance and management of multiple baselines, such as Development, Test, and Production environments
  • Support Information Assurance compliance efforts in alignment with specified standards, such as ICD-503

Qualifications You Must Have

  • Typically requires a bachelor’s degree in science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of related work experience
  • Experience with Agile Development Methodologies, such as Scrum or SAFe
  • Administrative experience with Red Hat Enterprise Linux and VMware solutions
  • Experience with programming languages, such as Python, Java, Ruby, Bash, C++, C#, or Go
  • Experience troubleshooting applications and infrastructure on Linux-based operating systems
  • Current CompTIA Security+ certification or the ability to obtain it within 90 days of hire
  • Active and Current TS/SCI CI Poly security clearance is required Day 1. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

  • Hands-on experience with virtualization tools and cloud computing, including private (e.g., VMware, OpenStack) or public (e.g., AWS) platforms
  • Experience integrating COTS/FOSS software into system environments
  • Familiarity with infrastructure automation tools, such as Ansible, Chef, or Puppet
  • Experience with DevOps tools, including Docker, Kubernetes, or Vagrant
  • Experience with IT infrastructure architecture and configuration management
  • Prior experience as a system administrator for Linux or Windows environments
  • Exposure to Information Assurance compliance with standards such as ICD-503
  • Proficiency in developing and executing test plans, procedures, and reports
  • Experience with MS Office applications for documentation and communication purposes

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

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

This position requires 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 in the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm

Location:  Richardson, TX: North Texas: 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 86,800 USD - 165,200 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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Job ID

01873862
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