Senior System Administrator (2nd shift)

3M HEALTHCARE; Tucson (AZ); On-site; USD 68,900 - 131,100; Full time

Job summary

RTX is seeking a Senior System Administrator (Senior Analyst, Information Workplace Services) for 2nd shift to support Windows and Red Hat environments. Relocation is available and an active Secret clearance is required.

The role covers 24x7 operations, with travel up to 10% for manufacturing support. You will manage AD/VMware, backups, scripting, and complex troubleshooting while collaborating with cybersecurity to meet classified system requirements.

Qualifications

• University degree or equivalent experience; minimum 2 years relevant experience.
• Proficiency with Linux or Windows environments; AD, VMware, backup/recovery experience.
• Active Directory, VMware, backup and recovery experience.

Responsibilities

• Provide systems administration for Windows and Red Hat Enterprise Linux environments.
• Diagnose and resolve moderately to highly complex technical problems.
• Manage Windows Server internals and Linux fundamentals (DNS, DHCP, AD, replication).
• Maintain data RAID, perform backups and restore operations.
• Install and configure software applications for end users.
• Collaborate with cybersecurity to enforce security on classified systems.
• Document IT processes and deliver staff training.
• Support 24x7 operations, including occasional after-hours work.
• Travel domestically up to 10% annually to support manufacturing.

Skills

Linux/Windows proficiency

Active Directory

VMware

Scripting

IT incident response

Education

University degree or equivalent experience

Tools

WSUS

MECM

Exchange

RedHat

vCenter/ESXi

Job description

Overview

Position: Senior System Administrator (Senior Analyst, Information Workplace Services) – 2nd Shift (2:00pm‑11:00pm, 8% shift differential). Relocation available. Must hold an active Secret clearance.

Responsibilities

• Provide systems administration for heterogeneous Microsoft Windows and Redhat Enterprise Linux environments.
• Diagnose and resolve technical problems of moderate to high complexity, including integration of hardware and operating systems.
• Manage Windows Server internals and Linux fundamentals (DNS, DHCP, AD, replication).
• Maintain data RAID, perform backups and restore operations.
• Install and configure software applications on behalf of end users.
• Collaborate with cybersecurity professionals to enforce security requirements on classified systems.
• Document advanced IT processes and deliver training to staff.
• Support 24×7 operations, including occasional work beyond standard hours.
• Travel domestically (up to 10% annually) to support manufacturing effort.

Qualifications

• University degree or equivalent experience, minimum 2years of relevant experience.
• Proficiency with Linux or Windows environments.
• Experience with Active Directory, VMware, backup and recovery.

Preferred Qualifications

• DoDD8140 / 8570 certification or equivalent (CompTIA Security+ CE). Operating system certification (e.g., RedHat, Microsoft).
• Knowledge of NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
• Experience with data storage, NAS, SAN solutions.
• Experience with IT project lifecycle management.
• Proficiency with VMware vCenter, vSphere, ESXi or other virtualization.
• Support for engineers in software, simulations, hardware development.
• Experience with Microsoft WSUS, MECM and Exchange.
• Strong scripting skills.

Benefits

Salary range: USD68,900–131,100. Benefits may include medical, dental, vision, life insurance, disability, 401(k) match, flexible spending accounts, paid time off, holidays, and other standard benefits. Relocation assistance is available for eligible candidates.

Equal Opportunity Statement

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 Section503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.