Date Posted:2026-08-03
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 CI Poly - Current
Security Clearance Status: Active and existing security clearance required on day 1
Sr. Linux System Administrators, based in
Richardson, TX infrastructure Workplace Services, collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems.
What You Will Do:- You will be supporting a Raytheon program in a classified environment as a Sr. Linux System Administrator.
- Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities.
- You will work closely with program developers and system engineers to research issues, determine root causes and implement solutions to system problems.
- Must be able to support occasional after-hour maintenance and on-call support and must be able to lift up to 35 pounds in support of hardware installations.
- Occasional travel may be required for installation support.
- This position is an onsite role.
Qualifications You Must Have:- Bachelor's degree and a minimum of 2 years of prior relevant experience.
- Must have active and transferable U.S. government issued TS/SCI with CI polygraph security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
- Must have an active DoD 8570 IAT Level 2 certification (or higher) on start date. IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND.
- Experience administering Red Hat Enterprise Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening
- Installing, administering, and troubleshooting recent versions of VMware (ESXi and vCenter)
Qualifications We Prefer:
- Deployment and administration of systems in Amazon Web Services (AWS)/Commercial Cloud Services (C2S)
- Using and developing with automation tools/frameworks such as Terraform, Ansible, and Chef as well as scripting - particularly in Bash and Python
- Experience administering Windows based systems
- Demonstrated ability to work independently and troubleshoot problems with efficiency
- Requires the ability to effectively interact with external personnel on significant technical matters often requiring coordination between organizations and vendors
- Ability to effectively interact with external personnel on significant technical matters often requiring coordination between organizations and other areas of RTX
What We Offer:Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation assistance is available.
Learn More & Apply Now!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 68,900 USD - 131,100 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.
