Senior System Administrator (3rd shift)

RTX•Tucson, AZ

3d•Onsite

About The Position

This position requires 100% on-site support for 3rd shift, working Monday through Friday from 11:00 PM to 8:00 AM, and includes a 12% shift differential. The Senior System Administrator, internally known as Senior Analyst, Information Workplace Services, collaborates with a diverse team to support exciting, 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.

Requirements

University Degree or equivalent experience and minimum of 2 years of prior relevant experience.
Must have Linux or Windows experience.
Experience with Active Directory, VMware, Administration, backup and recovery.
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.

Nice To Haves

Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)
Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF
Experience with data storage, NAS, and SAN technologies and solutions
Experience with using Information Technology project lifecycle management processes.
Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.
Experience supporting engineers in software, simulations, and hardware development.
Experience with Microsoft WSUS, MECM, and/or Exchange
High Performance Computing (HPC) experience in a Linux environment
Scripting Experience

Responsibilities

Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.
Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
Working as a team member in a fast-paced technological environment.
Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
Understanding of data RAID, data backup uses and technologies.
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 and other tasks as assigned.
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.