Principal Linux Administrator

RTX•El Segundo, CA

2d•Onsite

About The Position

Raytheon is hiring a Principal Linux Administrator to provide systems administration for classified programs in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. The role includes supporting systems hardware and software throughout provisioning, installation, configuration, operation, and maintenance, as well as server and storage management, cross-platform authentication and access management, backup and restoration, software and license configuration, and workstation support. The administrator will troubleshoot moderately to highly complex technical problems involving hardware and operating-system integration; lead and coordinate Red Hat installation and configuration; design, develop, and deploy Red Hat Podman containers; and participate in engineering software installation and support, with emphasis on testing, documentation, and acceptance. The role also includes leveraging automation, mentoring junior Linux administrators, collaborating across teams, and working with cybersecurity professionals to maintain security requirements and document advanced IT processes and procedures. This is a full-time, 100% onsite position in El Segundo, California. Systems operate 24x7, and work beyond standard hours is occasionally required. An active, transferable U.S. government Secret clearance and U.S. citizenship are required before starting. The successful candidate must obtain DoDD 8140 / 8570 certification, such as CompTIA Security+ CE or equivalent, within six months of the start date.

Requirements

Typically, a university degree or equivalent experience and at least 5 years of relevant experience; alternatively, an advanced degree in a related field and at least 3 years of experience.
Active and transferable U.S. government-issued Secret security clearance before the start date.
U.S. citizenship, as only U.S. citizens are eligible for a security clearance.
Experience with some of the following: Red Hat Enterprise Server, Active Directory, WSUS, VMware, backup solutions, systems and network administration, Windows or Linux administration, and enterprise backup and recovery suites.
Experience with server architecture and troubleshooting methods.
Experience using VMware vCenter, vSphere, Linux desktops, Windows 10 or 11 desktops, Splunk, and ESX or other virtual computing methods.
Ability to obtain DoDD 8140 / 8570 certification requirements, such as CompTIA Security+ CE or equivalent, within 6 months of starting.
Ability to occasionally work beyond standard hours to support systems that operate 24x7.

Nice To Haves

Active DoD Top Secret clearance or ability to obtain one.
PowerShell or Bash scripting and automation experience.
DoDD 8140 / 8570 certification, such as CompTIA Security+ CE or equivalent, and an operating system certification.
Direct working experience with NISPOM, JAFAN, JSIG, DFARS, and/or DoD/RMF.
In-depth working experience with Linux servers.
Experience with data storage, NAS, and SAN technologies and solutions.
Experience supporting engineers in software, simulations, and hardware development.
Experience with Microsoft WSUS, SCCM, and/or Exchange.
High Performance Computing experience in a Linux environment.

Responsibilities

Administer IT systems in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
Troubleshoot technical problems of moderate to high scope and complexity, including hardware and operating-system integration.
Mentor and coach junior Linux administrators.
Leverage automation technologies.
Lead and coordinate Red Hat installation and configuration.
Design, develop, and deploy Red Hat Podman containers.
Participate in engineering software installation and support, emphasizing testing, documentation, and acceptance.
Collaborate with cross-functional teams.
Work with cybersecurity professionals to maintain security requirements.
Document and provide training on advanced IT processes and procedures.
Provision, install, configure, operate, and maintain hardware and software for Linux and Windows infrastructure supporting classified programs.
Manage servers and physical and logical storage.
Support cross-platform authentication and access management, data backup and restoration, software and license configuration, and workstations.
Assist in developing solutions and documentation for technical problems.

Benefits

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
Annual short-term and/or long-term incentive compensation programs may be available depending on position level and collective-bargaining coverage; payments are not guaranteed.