Sr. Linux Systems Administrator

Job description

**Date Posted:**

2025-09-23
**Country:**

United States of America
**Location:**

CA220: 2202 E El Segundo Blvd BldgE02 2002 East El Segundo Boulevard Building E02, El Segundo, CA, 90245 USA
**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:**

Secret - Current

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression.

We bring 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.

Our team solves tough, meaningful problems that create a safer, more secure world.

**Sr. Systems Administrators** collaborate with many teams to support fast-paced, 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.

Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe can communicate, collaborate and innovate for customer success.

We create leading-edge technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world.

**What You Will Do:**

+ Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment.

+ Working as a team member in a fast-paced technological environment.

Use troubleshooting techniques to resolve technical problems of basic to moderate scope and complexity to include the integration of hardware and operating systems.

+ Participate in team collaboration.

+ Manage virtualized environments.

+ Perform data backup and restore, using industry best practice.

+ Install and configure software applications requested by end users.

+ Work with Cybersecurity professionals to maintain security requirements.



+ Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.

+ Systems are operational 24x7 and occasionally require work effort beyond standard work hours.

+ Travel required as business needs dictate to other US Domestic locations, up to 10% per year.

+ Full time 100% Onsite position.

**Qualifications You Must Have:**

+ Typically requires a bachelor’s degree and a minimum of 2 years of relevant prior experience

+ Active and transferable U.S. government **issued Secret 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 experience with Linux system administration.

**Qualifications We Prefer** :

+ Active Top Secret security clearance is preferred.

+ Experience with Linux and Windows Operating Systems.

+ Experience with VMware administration including ESXi hypervisors and VSphere management interface.

+ Microsoft Windows Active Directory Services administration and support (e.g. user and computer objects administration, Group Policy).

+ Experience with supporting desktop / workstation hardware.

+ Experience with backup technologies such as tape libraries and backup software (NetBackup or the like).

+ Experience with an IT incident/service request system.

+ Experience with hardware RAID, hardware and software encryption and server management tools.

**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 Eligibility.**

**Learn More & Apply Now!**

The salary range for this role is 72,000 USD - 144,000 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._

**Privacy Policy and Terms:**

Click on this link (http://www.rtx.com/privacy/Job-Applicant-Privacy-Notice) to read the Policy and Terms
Raytheon Technologies is An Equal Opportunity/Affirmative Action Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

Required Skill Profession

Other General