Principal Systems Administrator- active secret clearance

Principal System Administrator – Tucson, AZ

Date Posted:

• Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
• Lead and coordinate Red Hat installation and configuration.
• Provision, install, configure, operate, and maintain systems hardware and software related to a Linux/Windows infrastructure for classified programs.
• Server management (software and hardware); storage management (logical and physical); cross‑platform authentication and access management; data backup and restoration; software and license configuration; workstation support.
• Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity, including hardware and operating‑system integration; understand data RAID, backup technologies.
• Install and configure software applications requested by end users.
• Work with cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures.
• Maintain 24x7 operational systems and perform occasional work beyond standard hours; travel up to 5%.

• Bachelor’s degree with minimum 5years of relevant experience, or Master’s degree with minimum 3years of relevant experience.
• Active, transferable U.S. government‑issued Secret clearance prior to start date.
• U.S. citizenship.
• Experience with Linux and Windows;
  Active Directory, VMware, MySQL, networking administration.
• CompTIA Security+ CE or equivalent DoD Directive 8140/8570 certification.

• 5years of full‑time Linux experience.
• Active DoD TS Clearance and DoD Directive 8140/8570 Certification (Security+ CE or equivalent) and an OS Certification.
• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
• In‑depth Windows Server experience.
• Experience with data storage (NAS, SAN) technologies.
• Knowledge of IT project lifecycle management processes.
• Experience with VMware vCenter, vSphere, ESX or other virtual computing methods.
• Support of engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, SMECP, and/or Exchange.
• High Performance Computing experience in a Linux environment.
• Scriptwriting experience.

• Competitive salary range: $86,800 – $165,200 USD.
• Medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts.
• Flexible work schedules, employee assistance program, parental leave, paid time off, holidays.
• Annual short‑term and/or long‑term incentive compensation programs (dependent on position level and collective‑bargaining agreement).
• Relocation eligibility as applicable.

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.