Principal System Administrator
About The Position
The Principal System Administrator provides IT systems administration for classified programs in a heterogeneous Red Hat Enterprise Linux and Microsoft Windows environment. The role leads Red Hat installation and configuration and participates in all phases of engineering software installation and support, with emphasis on testing, documentation, and acceptance. The administrator provisions, installs, configures, operates, and maintains Linux/Windows infrastructure hardware and software, including servers, storage, cross-platform authentication and access, backups and restoration, software and licensing, and workstations. The position collaborates with cybersecurity professionals to maintain security requirements, works with engineering and program teams, and mentors junior Linux administrators. It includes troubleshooting moderately to highly complex technical issues, participating in and leading technical meetings, and providing advanced IT process documentation and training. Systems operate 24x7, and work beyond standard hours may occasionally be required. This is a full-time, 100% onsite role in McKinney, Texas. An active, transferable U.S. government Secret clearance is required before the start date, and U.S. citizenship is required. The employee must obtain DoDD 8140/8570 certification (CompTIA Security+ CE or equivalent) within six months of starting.
Requirements
- Typically, a university degree or equivalent experience and at least 5 years of relevant experience, or an advanced degree in a related field and at least 3 years of experience.
- Active and transferable U.S. government-issued Secret security clearance required before the start date; U.S. citizenship 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.
- Must obtain DoDD 8140/8570 certification requirements (CompTIA Security+ CE or equivalent) within 6 months of the start date.
- Systems operate 24x7; occasional work beyond standard work hours may be required.
Nice To Haves
- Experience with server architectures and troubleshooting methods, and ability to help develop 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.
- DoDD 8140/8570 certification (CompTIA Security+ CE or equivalent) 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 supporting engineers in software, simulations, and hardware development.
- Experience with Microsoft WSUS, SCCM, and/or Exchange.
- High Performance Computing experience in a Linux environment.
- PowerShell or Bash scripting and automation experience.
Responsibilities
- Provide IT systems administration in a heterogeneous Red Hat Enterprise Linux and Microsoft Windows environment.
- Lead and coordinate Red Hat installation and configuration.
- Participate in engineering software installation and support phases, emphasizing testing, documentation, and acceptance.
- Collaborate with teams and mentor junior Linux administrators.
- 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.
- Participate in and lead technical meetings with team members and program personnel, representing the organization in functional-area matters.
- Provide documentation and training on advanced IT processes and procedures.
- Provision, install, configure, operate, and maintain Linux/Windows infrastructure hardware and software for classified programs.
- Manage servers, logical and physical storage, cross-platform authentication and access, data backup and restoration, software and licensing, and workstations.
- Work with cybersecurity professionals to maintain security requirements.
- Perform other tasks as assigned.
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
- Annual short-term and/or long-term incentive compensation programs may be available, depending on position level and collective-bargaining coverage; payments are not guaranteed.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
