System Administrator - Linux

Nexlogica; California (MO); Hybrid; USD 90,000 - 120,000; Full time

Job summary

A technology solutions firm is seeking a System Administrator to manage Linux servers across private and public cloud environments. The candidate must have extensive experience with various Linux distributions and cloud technologies. Key responsibilities include maintaining security requirements, developing technical specifications, and proactive system monitoring. The role requires a bachelor's degree in an IT-related field and offers a mix of onsite and remote work.

Qualifications

• Seven (7) years of experience in Red Hat Enterprise Linux, CentOS, Ubuntu, Suse, Debian Linux.
• Four (4) years of experience in developing Ansible playbooks, Shell, and Python scripts.
• Ability to author and implement automation for complex operational and administrative tasks.
• Experience with security tools and threat mitigation technologies.

Responsibilities

• Develop and manage the county’s computing and infrastructure systems on cloud environments.
• Provide creative problem-solving and advanced troubleshooting across secure computing systems.
• Manage data center computing operations maintaining strict security requirements.
• Research and resolve operating system problems efficiently.

Skills

Decision making

Organizational awareness

Problem-solving skills

Education

Bachelor’s degree in an IT-related or Engineering field

Tools

OpenShift

Kubernetes

Ansible

Shell

Python

VMware

vCenter

ESXi

McAfee

CISCO AMP

Nessus Tenable

Tanium

Dell Secureworks Red Cloak

Job description

Position Description

System Administrator – Linux is responsible for applying Red Hat Enterprise Linux (RHEL), Ubuntu, CentOS, Suse and Debian concepts and industry best practices to resolve complex issues, provide daily operational management of private and public cloud Linux server instances, maintaining thorough documentation of procedures and system configurations, selecting methods and techniques to obtain solutions, evaluating technologies, performing cost / benefit analysis, and completing additional work assigned by the manager and lead. The position requires system administration experience along with the skill to administer various distributions and open-source applications of the Linux operating system; works closely with other System Administrators, Application Engineers, Developers, Cyber Security professionals, Systems Engineers, and Operations specialists to provide top-quality secure computing and storage services to a variety of county customers.

Key Responsibilities

• Develop and manage the county’s computing and infrastructure systems on private and public cloud environments (AWS, Azure, GCP).
• Provide creative problem solving, critical thinking, and advanced troubleshooting across a broad domain of secure computing systems and support activities.
• Manage data center computing operations while maintaining strict operational security requirements and directives – implement latest computer security policies and procedures.
• Manage availability of network, storage, computing, and software of multiple computing and storage systems.
• Develop technical specifications and maintain documentation for processes and technical guides.
• Patch planning, vulnerability assessment, patch policy preparation, patch testing, and workflow design for quarterly security patch updates across RHEL, Ubuntu, CentOS, Suse and Debian Linux systems.
• Research and resolve operating system problems efficiently and accurately, while adhering to organizational standards and practices.
• Perform proactive performance monitoring, analysis, alerting, reporting, and tuning as well as proactive capacity planning/analysis and provisioning solutions.
• Coordinate, facilitate, manage, and execute approved changes during maintenance windows in a 24 × 7 on‑call environment.

Skills Required

• Decision making, organizational awareness, and problem‑solving skills.

Skills Preferred

• Working knowledge of OpenShift and Kubernetes platforms running on‑prem and on public clouds such as AWS, Azure and GCP.
• Expertise in development of complex CI/CD pipelines (e.g. Bitbucket and Jenkins).

Experience Required

• Seven (7) years of experience in Red Hat Enterprise Linux, CentOS, Ubuntu, Suse, Debian Linux.
• Four (4) years of experience in developing Ansible playbooks, Shell, and Python scripts.
• Ability to author and implement automation for complex operational and administrative tasks.
• Experience with security tools and threat mitigation technologies such as McAfee, CISCO AMP, Nessus Tenable, Tanium, and Dell Secureworks Red Cloak.
• Experience with VMware, vCenter, and ESXi.

Experience Preferred

• Six (6) years of experience in managing Docker and Kubernetes, upgrading/migrating Docker platform, deploying Docker containers, managing and maintaining multiple container clusters for redundancy in hybrid environments.
• Six (6) years of experience in monitoring, performance tuning, and maintaining Kubernetes clusters.

Education Required

Bachelor’s degree in an IT‑related or Engineering field.

Additional Information

This is not a 100% remote work. Candidate is expected to be onsite (Los Angeles County, California) at minimum twice a week to support an air‑gap system.

Apply Now

Please send your resume and any additional information to our recruitment team at [e-mail].