Senior System Administrator
About The Position
The Senior System Administrator provides IT systems administration for classified programs in a heterogeneous Red Hat Enterprise Linux and Microsoft Windows environment. The role supports engineering software throughout installation and support, with emphasis on testing, documentation, and acceptance. The administrator collaborates with system administrators, cybersecurity professionals, network engineering, and program stakeholders to maintain Linux/Windows infrastructure, resolve technical issues, and meet security requirements. This is a full-time, 100% onsite position in McKinney, Texas. Systems operate 24x7, and work beyond standard hours is occasionally required. An active, transferable U.S. government Secret clearance is required before starting, and U.S. citizenship is required.
Requirements
- A university degree or equivalent experience and a minimum of two years of prior 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, as required for eligibility for a security clearance.
- 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 requirements, such as CompTIA Security+ CE or equivalent, within six months of the start date.
Nice To Haves
- Experience with server architectures and troubleshooting methods, including assisting with solutions and documentation for technical problems.
- Experience with VMware vCenter, vSphere, Linux desktops, Windows 10 or 11 desktops, Splunk, ESX, 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 (HPC) experience in a Linux environment.
Responsibilities
- Provide IT systems administration in a heterogeneous Red Hat Enterprise Linux and Microsoft Windows environment.
- Participate in all phases of 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 and resolve technical problems of moderate to high scope and complexity, including integration of hardware and operating systems.
- Provision, install, configure, operate, and maintain systems hardware and software for Linux/Windows infrastructure supporting classified programs.
- Manage servers and storage, including logical and physical storage; cross-platform authentication and access; data backup and restoration; software and license configuration; and workstation support.
- Work with cybersecurity professionals to maintain security requirements and provide documentation for advanced IT processes and procedures.
- Obtain DoDD 8140 / 8570 certification requirements, such as CompTIA Security+ CE or equivalent, within six months of the start date.
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 eligibility for annual short-term and/or long-term incentive compensation programs
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What This Job Offers
Job Type
Full-time
Career Level
Senior
