Principal Systems Administrator, Tucson, Arizona

Location &

Employment Type

Location:

Tucson, AZ. Position:
Principal System Administrator (Infrastructure).

Employment type:

Full-time, Onsite.

• Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
• Maintain Windows Server and Linux fundamentals, including DNS, DHCP, Active Directory, server replication methods, RAID, and data backup technologies.
• Install and configure software applications requested by end users.
• Collaborate with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures.
• Develop solutions and documentation to resolve a variety of technical problems.
• Support systems that are operational 24x7, occasionally requiring work beyond standard hours.
• Travel up to 5% of time.

• Bachelor’s degree with a minimum of five years of relevant experience, or a master’s degree with a minimum of three years of relevant experience.
• Must hold a transferable U.S. government‑issued secret security clearance prior to start.
• U.S. citizenship required.
• Strong Windows and Linux administration experience.
• Experience with Linux/RHEL administration, Active Directory/Windows Domain administration, MECM, VMware, and recovery enterprise suites.
• Must obtain DoDD 8140/8570 certification (CompTIA Security+ CE or equivalent) within six months of start date.

• Active DoD TS certification and an operating system certification.
• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
• In‑depth Windows Server experience.
• Experience with data storage, NAS, SAN technologies and solutions.
• Experience with IT project lifecycle management processes.
• Experience with VMware vCenter, vSphere, ESX or other virtual computing methods.
• Experience supporting engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, SMECP, or Exchange.
• High Performance Computing (HPC) experience in a Linux environment.
• Scripting experience.

Salary range: $86,800 - $165,200 USD.

Benefits include medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, employee assistance program, parental leave, paid time off, holidays, and annual incentive compensation (where 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.