Mid Linux Systems Administrator

Location:

NOAA - Silver Spring (CS), 1315 East-West Highway, Silver Spring, MD 20910, USA

Job Title: Linux Systems Administrator (Mid-Tier)

Clearance Required: Public Trust US Citizen

Work Location: Silver Spring, MD (Hybrid)

Alpha Omega is seeking a qualified Linux Systems Administrator in support of our NOAA customer. In this role, this individual will design, implement, administer, and sustain enterprise Linux‑based systems within a mission‑critical IT environment. This role operates at a journeyman level, performing independent system administration tasks while also supporting senior engineers on complex infrastructure initiatives.

The ideal candidate will have 3 to 5 years of hands‑on experience ensuring system availability, security compliance, performance optimization, and operational continuity across Red Hat Enterprise Linux (RHEL) server environments supporting enterprise applications and services.

• Administer, maintain, and support Red Hat Enterprise Linux (RHEL) server environments and equivalent enterprise distributions.
• Perform routine system administration tasks including patching, upgrades, user management, storage administration, and service monitoring.
• Manage system performance tuning and capacity optimization across physical and virtual environments.
• Support virtualization platforms (OVirt, KVM, Open Shift, etc.) and Linux‑based guest systems.
• Implement security hardening standards aligned with organizational, federal, and STIG requirements.
• Support vulnerability remediation, including patch management, configuration adjustments, and RMF compliance reporting.
• Develop and maintain scripts using Bash, Python, or similar tools to automate system administration tasks.
• Utilize configuration management tools (Ansible, Puppet, or equivalent) to support infrastructure‑as‑code practices.
• Monitor system health, logs, and alerts using enterprise monitoring tools (Nagios, Zabbix, Splunk, or similar).
• Respond to incidents, troubleshoot system outages, participate in root cause analysis, and participate in on‑call rotations as required.
• Work closely with network, storage, and application teams to support integrated system environments.
• Provide technical support to users and internal IT teams, and document system configurations, procedures, and operational workflows.
• Independently execute routine and moderately complex tasks, troubleshooting infrastructure issues with minimal supervision.
• Escalate appropriately when issues exceed standard operational scope.

• Minimum years of overall experience: 3
• Minimum years of specific experience in the field: 3
• Experience supporting Linux systems in an enterprise environment.
• Strong understanding of Linux OS architecture and administration in enterprise environments.
• Experience with RHEL, CentOS, Rocky Linux, Ubuntu Server, or equivalent distributions.
• Experience working in virtualized environments (VMware, KVM, or similar).
• Experience with system patching, user management, storage, and service administration.
• Proficiency with command‑line tools and shell scripting (Bash required).
• Experience with configuration management tools (Ansible preferred).
• Familiarity with monitoring tools (Nagios, Zabbix, Splunk, or similar).
• Understanding of networking fundamentals (DNS, TCP/IP, routing basics).
• Demonstrated reliability in maintaining system availability and compliance posture.

• Proficiency with Python scripting.
• Experience supporting federal or regulated IT environments.
• Familiarity with STIG hardening and RMF compliance processes.
• Experience with cloud‑hosted Linux environments (AWS, Azure, or similar).
• Experience supporting container platforms such as Docker or Kubernetes.

• DoD 8570/8140 baseline certification (CompTIA Security+, Linux+, or equivalent).
• Red Hat Certified System Administrator (RHCSA) or equivalent Linux/infrastructure‑related certifications.

The likely salary range for this position is $xxx – $114,000. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not…