System Administrator
Raytheon
McKinney, TX0–2 yrs3h agovia LinkedIn
This job at a glance
- Who can apply
- New grads and up to 2 years
- Must know
- WindowsLinuxCybersecurityStakeholder managementTroubleshootingNetworking
- Work
- On-site in McKinney
- Pay
- Not stated by the employer.
- Skill demand
- Windows73%Linux41%Cybersecurity26%Stakeholder management17%of 99 similar entry-level jobs posted in the US this week
- Listed
- Oct 28, 2026 · still open
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About the Role
- Provide IT systems administration in a heterogeneous RedHat Enterprise/Microsoft Windows and environment.
- Provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs.
- Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
- This is a full-time, 100% onsite position.
Key Responsibilities
- Participate in all phases of Engineering software installation and support, with emphasis on testing, documentation, and acceptance phases.
- Collaborate with System Admins, Cyber Security professionals, Network Engineering and Program Stakeholders.
- Work as a team member in a fast-paced technological environment.
- Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).
- Server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation support.
- Work with Cybersecurity professionals to maintain security requirements and provide documentation on advanced IT processes and procedures and other tasks as assigned.
Requirements & Tech Stack
- Red Hat Enterprise Linux
- Microsoft Windows
- Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.
- DoD Clearance: Secret (Active and transferable U.S. government issued security clearance is required prior to start date).
- U.S. citizenship is required.
- Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date.
Qualifications
- Typically requires a University degree or equivalent experience and less than 2 years prior relevant experience.
- Active and transferable U.S. government issued Secret security clearance is required prior to start date.
- Experience with some of, but not limited to, the following technologies:
- Red Hat Enterprise Linux
- Active Directory
- WSUS
- VMware
- BackupExec
- NetBackup
- Prior systems administration experience
- Windows or Linux administration
- Backup and Recovery enterprise suites
Qualifications We Prefer
- Experience with Server architectures and troubleshooting methods and ability to assist in developing solutions and documentation to a variety of technical problems.
- Experience using VMWare vCenter, vSphere, Linux Desktops, Windows desktops (Windows 10, 11), Splunk and ESX and/or other virtual computing methods.
- Scripting/ automation PowerShell, Bash.
- Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) 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 (HPC) experience in a Linux environment.
- Scripting Experience.