Mid-Level Linux Systems Administrator

Mid-Level Linux Systems Administrator

Ampersand Solutions Group (AMPERSAND) is seeking a Mid-Level Linux Systems Administrator to support the deployment, hardening, and administration of Red Hat Enterprise Linux (RHEL) focused systems within the Closed Restricted Network (CRN) architecture. The Administrator will be responsible for implementing DISA Security Technical Implementation Guides (STIGs), maintaining system compliance artifacts, and conducting day-to-day system operations to support mission requirements and program needs. The Administrator shall support system build-out and sustainment activities associated with the Risk Management Framework (RMF) accreditation of an Army Program of Record. Tasks include updating documentation (e.g., System Security Plan, Configuration Management Plan, Disaster Recovery Plan), performing FISMA-required artifact maintenance, conducting vulnerability assessments using approved tools, and supporting the Government in managing POA&M items within eMASS.

Responsibilities:
Deploy and configure Red Hat Enterprise Linux systems, including installation, registration, software provisioning, and baseline configuration.

Apply DISA STIGs and Security Requirements Guides (SRGs) and maintain compliance documentation.

Conduct routine system administration, including patch management, service configuration, log review, and troubleshooting of RHEL systems.

Deploy and administer Linux virtual machines (VMs) in VMware vSphere and OpenShift, including VM creation, configuration, and OS-level troubleshooting.

Perform vulnerability assessments utilizing SCAP, Nessus, and Evaluate-STIG, and support remediation activities.

Assist the system ISSO in updating RMF documentation and ensuring system configurations meet accreditation requirements.

Coordinate with cybersecurity personnel regarding POA&M items, security controls, and compliance verification.

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Required Skills

Required:
Bachelor's degree in a related field and 4–7 years of relevant experience, 8+ years of equivalent professional experience.

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 equivalent in accordance with DoD 8570.01.

SECRET clearance with the ability to obtain TS/SCI.

Ability to travel up to 25%.

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Desired Skills

Desired:
Experience conducting STIG and SRG assessments using 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.

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About Ampersand Solutions Group, Inc

Ampersand Solutions Group (AMPERSAND) is a NatSecTech company with headquarters in Huntsville, AL. We are builders, innovators, and operators. AMPERSAND's strength is our people and approach to mission acceleration and success. Everything we do must serve our three main stakeholders - Our Employees. Our Customers. And Our Communities. It is that focus that has led to AMPERSAND being awarded the 2024 and 2026 Best Places to Work awards. You do important work. You should actually ENJOY where you work. Come see what the excitement is about!