Senior Linux System Administrator 3

Geon Technologies is a rapidly growing small business that provides signal processing andsensor system integration services to the United States Government (USG) and the industry base that supports them. Geon seeks to be known for “signals, sensors, and systems”. Geonhas expertise in the science and development of signal processing techniques and algorithm solutions for multi-INT applications. The signal processing and hardware focused sectors ofGeon are supported by the work Geon conducts with open architectures, open frameworks, andopen systems that facilitate the rapid development, integration, and deployment of techniques and capabilities to operational contexts.

Come join a company that brings unique expertise and value to our customers.

The Senior Linux Systems Administrator shall possess extensive experience supporting the implementation, operation, maintenance, troubleshooting, optimization, and sustainment of enterprise and mission-critical Information Technology (IT) systems. The successful candidate will provide technical leadership for Linux infrastructure, deployment automation, systems integration, and operational support across complex computing environments.

Responsibilities include:

• Administer, maintain, and support enterprise Linux systems and infrastructure to ensure availability, performance, security, and reliability.
• Manage day-to-day operations of server, storage, network, virtualization, and application environments, including system monitoring, troubleshooting, performance tuning, and capacity planning.
• Provide Tier 2 and Tier 3 support for complex system, infrastructure, and application issues, including root cause analysis and resolution of hardware, software, and integration problems.
• Configure, install, upgrade, patch, harden, and maintain Linux operating systems, server hardware, network components, and supporting infrastructure services.
• Collaborate with software developers, network engineers, cybersecurity personnel, and Government stakeholders to support system deployment, integration, and operational readiness.
• Define hardware specifications, deployment architectures, and infrastructure requirements to support enterprise and mission-critical environments.
• Lead the planning, automation, and execution of Linux system deployments across development, test, staging, and production environments.
• Develop and maintain automated provisioning and configuration management solutions using Kickstart, Ansible, and Infrastructure as Code (IaC) methodologies.
• Automate operating system installation, application deployment, patch management, security hardening, and lifecycle management processes to improve consistency, scalability, and operational efficiency.
• Establish and maintain deployment standards, configuration baselines, technical documentation, installation procedures, and operational support processes.
• Support system testing, validation, transition-to-operations, and operational acceptance activities while ensuring compliance with security and configuration management requirements.

• Advanced Linux systems administration experience.
• Experience with Red Hat Enterprise Linux (RHEL), Rocky Linux, Oracle Linux, CentOS, or similar enterprise Linux distributions.
• Expertise with Ansible automation, Kickstart provisioning, configuration management, and orchestration.
• Experience with Infrastructure as Code (IaC), Dev Sec Ops  practices, and deployment automation frameworks.
• Experience supporting clustered, distributed, highly available, and mission-critical Linux environments.
• Knowledge of virtualization, enterprise storage, networking, and system monitoring technologies.

• Minimum Fifteen(15) years of experience as a SA in programs and contract of…