Linux System Administrator

As a System Administrator supporting the Radar Digital Product Line for one of our large defense companies, youll be responsible for delivering IT services and security compliance across Linux (primarily Red Hat) and Windows environments. Based initially in Marlborough, MA for onboarding and integration, youll transition to Portsmouth, RI to manage systems locally, collaborating with cross-functional engineering teams to troubleshoot and support radar software, simulations, and hardware development. Your day-to-day will include standing up and securing systems using VMware, VDI, and NetApp appliances; implementing and maintaining security controls aligned with NIST, RMF, DFARS, and DCSA standards; managing Active Directory, GPOs, DNS, and DHCP; and scripting with PowerShell, Python, or bash to automate tasks. Youll also work with switches, routers, and configuration tools like Ansible or ASL, and contribute to containerization efforts using Kubernetes. This role requires flexibility for occasional off-hours support in a 24x7 operational environment, and a clearance is required to begin work.

Compensation : $55 / hr to $70 / hr

Exact compensation may vary based on several factors, including skills, experience, and education.

Benefit packages for this role will start on the 31st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401K retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and / or other paid time off as provided by applicable law.

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• 6+ years of experience as a System Administrator in a DoD environment.
• Strong background in Linux (Red Hat) and Windows Server administration.
• Experience implementing and remediating security controls in accordance with NIST, RMF, and DFARS.
• Proficiency in Active Directory, GPOs, DNS, LDAP, and networking fundamentals.
• Hands-on experience with VMware / VDI / esx, NetApp, and Microsoft WSUS / SCCM / Exchange.
• Familiarity with Terraform or CloudFormation for infrastructure provisioning.
• Experience supporting engineers in software, simulations, and hardware development.
• CompTIA Security+ CE and Red Hat certifications required.