Principal System Administrator- Must have a active secret clearance

RTX•Tucson, AZ

4d•$86,800 - $165,200•Onsite

About The Position

The Principal System Administrator, internally known as Principal Analyst, Infrastructure Workplace Services, supports critical programs that use classified information systems. The role develops, implements, and maintains secure, cost-efficient environments across classified programs, collaborating with program teams to define computing requirements and develop end-to-end solutions for complex IT infrastructure problems. The position administers a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment, including provisioning, installation, configuration, operation, and maintenance of infrastructure hardware and software. Responsibilities include server and storage management, cross-platform authentication and access management, data backup and restoration, software and license configuration, and workstation support. The administrator also works with cybersecurity professionals to maintain security requirements and provides documentation and training on advanced IT processes and procedures. The systems operate 24x7 and may occasionally require work beyond standard hours. Travel is required up to 5%. This is a full-time, 100% onsite role in Tucson, Arizona. An active, transferable Secret U.S. government security clearance is required before starting, and U.S. citizenship is required. The successful candidate must obtain a DoDD 8140 / 8570 certification, such as CompTIA Security+ CE or equivalent, within six months of starting.

Requirements

Typically requires a bachelor's degree and at least 5 years of relevant experience, or a master's degree and at least 3 years of relevant experience.
Must have an active and transferable Secret U.S. government-issued security clearance before the start date; U.S. citizenship is required.
Must have Windows or Linux systems administration experience.
Experience in at least one of the following: Active Directory, VMware, MySQL, or networking administration.
Must be able to obtain DoDD 8140 / 8570 certification requirements, such as CompTIA Security+ CE or equivalent, within 6 months of the start date.
Must be able to work onsite in Tucson, Arizona.
Must be able to accommodate occasional work beyond standard hours because systems operate 24x7.
Travel required up to 5%.

Nice To Haves

VMware experience.
DoDD 8140 / 8570 certifications, including CompTIA Security+ CE or equivalent and an operating system certification.
Experience with NISPOM, JAFAN, JSIG, DFARS, and/or DoD/RMF.
In-depth working experience in Windows Server.
Experience with data storage, NAS, and SAN technologies and solutions.
Experience using VMware vCenter, vSphere, and ESX, and/or other virtual computing methods.
Experience supporting engineers in software, simulations, and hardware development.

Responsibilities

Administer IT systems in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
Provision, install, configure, operate, and maintain hardware and software for Linux/Windows infrastructure supporting classified programs.
Manage servers, including software and hardware.
Manage logical and physical storage.
Manage cross-platform authentication and access.
Perform data backup and restoration.
Configure software and licenses, and support workstations.
Troubleshoot technical problems of moderate to high scope and complexity, including hardware and operating-system integration.
Install and configure software applications requested by end users.
Work with cybersecurity professionals to maintain security requirements.
Provide documentation and training on advanced IT processes and procedures.
Develop solutions and documentation for a variety of technical problems.
Perform other assigned tasks.