Senior System Administrator
About The Position
RTX is hiring an onsite Senior System Administrator in McKinney, Texas, to provide IT systems administration for classified programs in a heterogeneous Red Hat Enterprise Linux and Microsoft Windows environment. The administrator supports systems hardware and software throughout provisioning, installation, configuration, operation, and maintenance, including server and storage management, cross-platform authentication and access management, data backup and restoration, software and license configuration, and workstation support. The role participates in engineering software installation and support across all phases, with emphasis on testing, documentation, and acceptance. The administrator collaborates with system administration, cybersecurity, network engineering, and program stakeholders; troubleshoots moderately to highly complex technical problems, including hardware and operating-system integration; and helps maintain security requirements and document advanced IT processes and procedures. Systems operate 24x7, and work beyond standard hours may occasionally be required. The position is full-time and 100% onsite. An active, transferable U.S. government Secret clearance is required before starting, and the candidate must be a U.S. citizen. The employee must obtain a DoDD 8140/8570 certification, such as CompTIA Security+ CE or equivalent, within six months of the start date.
Requirements
- University degree or equivalent experience and at least 2 years of relevant experience, or an advanced degree in a related field.
- Active and transferable U.S. government-issued Secret security clearance before the start date; U.S. citizenship is required.
- Experience with some of the following: Red Hat Enterprise Linux, Active Directory, WSUS, VMware, BackupExec, NetBackup, systems administration, Windows or Linux administration, and enterprise backup and recovery suites.
- Ability to obtain DoDD 8140/8570 certification, such as CompTIA Security+ CE or equivalent, within six months of starting.
- Ability to work onsite in McKinney, Texas; systems operate 24x7 and may occasionally require work beyond standard hours.
Nice To Haves
- Experience with server architectures and troubleshooting methods, including assisting with solutions and documentation for technical problems.
- Experience with VMware vCenter, vSphere, ESX, Linux desktops, Windows 10 or 11 desktops, Splunk, or other virtual computing methods.
- PowerShell or Bash scripting and automation experience.
- DoDD 8140/8570 certification, such as CompTIA Security+ CE or equivalent, and an operating system certification.
- Direct working experience with NISPOM, JAFAN, JSIG, DFARS, or DoD/RMF.
- Experience with Red Hat Enterprise Linux.
- Experience with data storage, NAS, and SAN technologies and solutions.
- Experience supporting engineers in software, simulations, and hardware development.
- Experience with Microsoft WSUS, SCCM, or Exchange.
- High Performance Computing experience in a Linux environment.
Responsibilities
- Provide systems administration in a heterogeneous Red Hat Enterprise Linux and Microsoft Windows environment.
- Participate in engineering software installation and support, emphasizing testing, documentation, and acceptance.
- Collaborate with system administrators, cybersecurity professionals, network engineering, and program stakeholders.
- Apply knowledge of Windows Server internals or Linux fundamentals, including DNS, DHCP, Active Directory, and server replication methods.
- Troubleshoot technical problems of moderate to high scope and complexity, including hardware and operating-system integration.
- Provision, install, configure, operate, and maintain systems hardware and software for Linux/Windows infrastructure supporting classified programs.
- Manage servers, storage, cross-platform authentication and access, data backup and restoration, software and licenses, and workstations.
- Work with cybersecurity professionals to maintain security requirements and document advanced IT processes and procedures.
- Obtain DoDD 8140/8570 certification, such as CompTIA Security+ CE or equivalent, within six months of starting.
Benefits
- Medical insurance
- Dental insurance
- Vision insurance
- Life insurance
- Short-term disability
- Long-term disability
- 401(k) match
- Flexible spending accounts
- Flexible work schedules
- Employee assistance program
- Employee Scholar Program
- Parental leave
- Paid time off
- Holidays
- Potential annual short-term and/or long-term incentive compensation, subject to eligibility and program conditions
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
What This Job Offers
Job Type
Full-time
Career Level
Mid Level
