Senior System Administrator - Linux

Overview

Intelligent Waves is seeking a Linux System Administrator (Senior) to support the organization's Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expected to support the entire service lifecycle from design through development to production, building and deploying Linux based systems in a virtual environment.

Candidate should be familiar with system automation technologies, basic database administration and tuning. Candidates must demonstrate a high degree of problem-solving ability in a complex environment and be able to communicate effectively, both to the customer and to team members.

🌎 Location: Fort Belvoir, Va ✈️ Travel: None

🛡️ Clearance Requirement: TS/SCI

Intelligent Waves delivers mission-focused multi-domain operational expertise and innovation to the Government through high-impact technology solutions in cybersecurity, data science, enterprise network & systems engineering, software development, and cognitive human performance.

ANYTIME. ANYWHERE. ANY DOMAIN.

Since 2006, we have proudly served federal agencies including the Department of Defense. Our ability to operate globally in a wide range of environments, coupled with our deep understanding of customer needs and requirements, enables us to provide cost-effective solutions to support the most complex missions.

Adherence to all customer site protocols is mandatory for employees.

Responsibilities

Linux Server Administration

• Provision servers and environments and manage user access.
• Full lifecycle management of Linux servers, including installation, configuration, and patching in production and test environments.

Automation

• Automation knowledge scripting in Unix shell and Ansible playbooks.

Security & Compliance

• Perform security patching, upgrades, and hardening to meet compliance standards and remediate critical vulnerabilities.
• Ensure compliance with security standards and practices aligned with DoD STIGs.

System Monitoring

• Monitor system performance and respond to alerts.

Network Services

• Establish and maintain NTP services in the production environment.

Patch & Release Management

• Maintain satellite servers for the agency, software releases, and patches.

Emerging Technologies

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• Experience with the following emerging technologies or equivalent technology: Kubernetes, OpenShift, Containers, GitHub, and Ansible Tower.

Qualifications

Required Qualifications

• Active TS/SCI security clearance is required.
• BS with 6-8 years, or MS degree with 4-6 years of experience in IT operations working with Linux servers and Virtualization.
• Hands-on experience administering Red Hat Enterprise Linux environments.
• Direct experience supporting systems with Red Hat Satellite.
• Understanding of virtualized infrastructure, server backup and restoral procedures, application of STIGs and cyber hardening approaches.
• Basic experience with log file analysis.
• Strong troubleshooting and problem-solving skills.

Desired Qualifications

• Red Hat certifications (RHCSA or RHCE).
• Experience implementing and maintaining DISA STIG compliance using Red Hat Satellite and Ansible.
• Experience integrating Linux systems with Active Directory or LDAP.
• Familiarity with virtualization platforms (VMware, KVM).
• Scripting experience (Bash or Python) to support automation initiatives.
• Experience supporting classified networks or cross-domain environments.