Senior System Administrator
About The Position
Provide IT systems administration for classified programs in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. The role covers provisioning, installation, configuration, operation, and maintenance of infrastructure hardware and software, including server and storage management, cross-platform authentication and access management, data backup and restoration, software and license configuration, and workstation support. The administrator applies knowledge of Windows Server internals or Linux fundamentals, including DNS, DHCP, Active Directory, and server replication. Working as part of a team in a fast-paced technical environment, the role troubleshoots moderately to highly complex problems involving hardware and operating-system integration, installs and configures applications for end users, and works with cybersecurity professionals to maintain security requirements. The role also includes developing solutions and documentation, and providing documentation and training on advanced IT processes and procedures. Systems operate 24x7, so work beyond standard hours may occasionally be required. Travel is required up to 5%. This is a full-time, 100% onsite position in Plano, Texas. An active and existing Top Secret clearance is required after the first day; U.S. citizenship is required. The employee must obtain a DoDD 8140/8570 certification, such as CompTIA Security+ CE or equivalent, within six months of the start date.
Requirements
- Typically requires a university degree or equivalent experience and at least 2 years of relevant experience, or an advanced degree in a related field.
- Must have Windows and/or Linux experience.
- Experience in at least one of the following: Active Directory, VMware vCenter, or vSphere.
- Ability to obtain and maintain a U.S. government-issued Top Secret security clearance; U.S. citizenship is required.
- Must be able to obtain DoDD 8140/8570 certification requirements, such as CompTIA Security+ CE or an equivalent certification, within 6 months of the start date.
- Must be able to work beyond standard hours occasionally because systems operate 24x7.
- Travel required up to 5%.
Nice To Haves
- DoDD 8140/8570 certifications, including CompTIA Security+ CE or equivalent and an operating system certification.
- Active and transferable U.S. government-issued Top Secret clearance.
- Experience with NISPOM, JAFAN, JSIG, DFARS, and/or DoD/RMF.
- In-depth working experience with Windows Server.
- Experience with containerization technologies such as OpenShift, Kubernetes, Docker, Tanzu, and Rancher.
- Experience with data storage, NAS, and SAN technologies and solutions.
- Experience 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, SMECP, and/or Exchange.
- High Performance Computing (HPC) experience in a Linux environment.
- Scripting experience.
Responsibilities
- Provision, install, configure, operate, and maintain systems hardware and software for a Linux/Windows infrastructure supporting classified programs.
- Manage servers, storage (logical and physical), cross-platform authentication and access, data backup and restoration, software and licenses, and workstation support.
- Apply Windows Server or Linux knowledge, 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 issues.
- Understand and work with data RAID, backup use cases, and backup technologies.
- Install and configure software applications requested by end users.
- Work with cybersecurity professionals to maintain security requirements.
- Develop solutions and documentation for varied technical problems.
- Provide documentation and training on advanced IT processes and procedures.
- Perform other assigned tasks.
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, subject to eligibility and applicable factors.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
