Linux Systems Administrator (Cybersecurity)

Location: Huntsville, AL, USA; onsite position based in Huntsville

Company

hirify.global is an employee-owned company supporting the Threat Services Management Office and an Army Program of Record.

What you will do

• Administer RHEL systems through patch management, service configuration, log review, troubleshooting, installation, registration, provisioning, and baseline configuration.
• Deploy and administer Linux virtual machines in VMware vSphere and OpenShift, including VM creation, configuration, and OS-level issue resolution.
• Apply and evaluate DoD STIGs and SRGs, perform system hardening, and maintain compliance artifacts and documentation.
• Support system build-out and sustainment for Risk Management Framework accreditation of an Army Program of Record.
• Maintain FISMA-required artifacts, conduct vulnerability assessments and compliance verification with approved tools such as SCAP and Nessus, and coordinate POA&M activities in eMASS.
• Assist the ISSO with RMF documentation, including the System Security Plan, Configuration Management Plan, and Disaster Recovery Plan.

Requirements

• Bachelor's degree in a related field and 5+ years of relevant experience, or 7+ years of professional experience in place of a degree.
• Proven experience administering Red Hat Enterprise Linux systems in operational environments.
• Demonstrated experience applying DoD STIGs and performing system hardening activities.
• Experience supporting virtualized environments, particularly RHEL OpenShift.
• CompTIA Security+ CE or an equivalent certification in accordance with DoD 8570.01.
• SECRET security clearance with the ability to obtain TS/SCI.
• Ability to travel up to 25%.

Nice to have

• Experience conducting STIG and SRG assessments with DISA-approved tools.
• Familiarity with RMF processes, NIST security controls, and eMASS workflows.
• Experience administering additional Linux and Windows operating systems.
• Working knowledge of foundational networking concepts applicable to Linux systems.
• TS/SCI security clearance.

Culture & Benefits

• Employee-owned company.
• Full-time position supporting mission and program requirements.
• Equal employment opportunity is provided to employees and applicants, including protected veterans and people with disabilities.