Linux Systems Administrator

SITEC Consulting•Lexington Park, MD

About The Position

SITEC is an employee- and customer-focused Information Technology and Professional Services Firm specializing in the design, development, and delivery of state-of-the-art technology solutions, cybersecurity, and software and systems engineering services. The Linux Systems Administrator supports application deployment using containerization concepts and assists with container orchestration tools such as Kubernetes or Docker Swarm. The role automates routine maintenance, server builds, and patching using Ansible and other scripting tools, and provides infrastructure support to software development teams working in an Agile scrum methodology. The administrator also helps maintain CI/CD pipelines for containerized applications. The position involves installing, configuring, and managing Red Hat Linux operating systems and related toolsets; continuously monitoring, scanning, and hardening systems for compliance with NAVAIR and DISA policies; and applying DoD STIGs and other cybersecurity compliance actions. The administrator maintains system descriptions, procedures, event logs, and other knowledge-base documentation, and responds promptly to system failures to support application availability.

Requirements

At least 5 years of hands-on experience working with UNIX/Linux and Windows.
Experience building, maintaining, and troubleshooting Linux servers, including Red Hat and CentOS.
DoD 8140 and 5239 compliance, including Security+ certification and an OS certificate or certification.
Experience with DoD Information Assurance/Cyber policy, including implementing STIGs and system hardening.
Active Secret clearance.
Ability to obtain a Top Secret clearance.
U.S. citizenship.

Nice To Haves

Experience with VMware Tanzu.
Experience with CI/CD pipelines for containerized applications.
Experience with Ansible.

Responsibilities

Support application deployment using containerization concepts.
Assist with managing container orchestration tools such as Kubernetes or Docker Swarm.
Use Ansible and other scripting tools to automate routine maintenance, server builds, and patching.
Provide infrastructure support to software development teams using an Agile scrum methodology.
Help maintain CI/CD pipelines for containerized applications.
Install, configure, and manage Red Hat Linux operating systems and related toolsets.
Continuously monitor, scan, and harden systems to comply with NAVAIR and DISA policies.
Apply DoD STIGs and other cybersecurity compliance actions.
Maintain system descriptions, procedures, event logs, and other knowledge-base documentation.
Respond promptly to system failures to support high availability for applications.