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Linux Systems Administrator (Part-time)
Savi Gurus is a consulting firm that connects experienced technology professionals with clients who need specialized expertise on a flexible basis. We are currently seeking a Senior Linux Systems Administrator to support one of our clients in a part-time, fully remote capacity. In this role you will help maintain and optimize a production Linux environment that powers a high-traffic, subscription-based web platform.
Position Overview
We are looking for an experienced Senior Linux Systems Administrator to manage and optimize a production Linux environment hosted on dedicated cloud infrastructure. This role is responsible for maintaining system reliability, troubleshooting outages and performance issues, provisioning new servers, maintaining infrastructure automation, and ensuring strong operational and security practices across the environment.
Employer: Savi Gurus (engaged on behalf of one of our clients)
Type: Part-time, fractional / retainer engagement
Hours: Approximately 15 hours per week
Location: Fully remote (U.S. preferred, but open to other time zones with team overlap)
Compensation: DOE (commensurate with experience)
Team: You will be the primary system administrator, working closely with the client's technical lead.
Responsibilities
Linux Infrastructure Administration
Administer and maintain multiple Debian-based Linux production systems
Provision and configure new dedicated Linux servers
Perform OS updates, patching, package management, and system hardening
Maintain system uptime, stability, and operational health
Incident Response & On-Call Support
Participate in on-call support for critical production outages and major performance incidents
Respond to high-priority infrastructure issues in a timely manner
Investigate outages, instability, and degraded application performance
Perform root cause analysis and implement long-term corrective actions
Troubleshoot CPU, memory, disk I/O, networking, and service bottlenecks
Service Administration & Performance Install, configure, maintain, and optimize Apache, PHP / PHP-FPM, MySQL, Redis, Elasticsearch, and cron jobs / scheduled services. Responsibilities include performance tuning, service troubleshooting, capacity planning, and stability improvements.
Infrastructure Automation
Maintain and improve Ansible-based infrastructure deployments
Automate provisioning and repeatable operational tasks
Standardize system configuration and deployment practices
Security & Access Management
Maintain Linux user accounts, permissions, and access policies
Manage SSH access and authentication controls
Investigate suspicious activity and possible security threats
Apply security updates and maintain server hardening standards
Networking & Systems Operations
Maintain VLAN-based networking configurations
Troubleshoot DNS, connectivity, and network-related issues
Maintain SSL/TLS certificates and secure communications
Required Qualifications
Strong experience administering Debian/Ubuntu Linux systems in production
Experience supporting Apache + PHP-FPM production environments
MySQL administration and troubleshooting experience
Experience with Redis and Elasticsearch
Experience using Ansible
Experience with Cloudflare
Strong Linux troubleshooting and incident response skills
Familiarity with Bash/shell scripting, cron jobs, VLANs, DNS, SSH, and Linux permissions and access control
On-Call Expectations
Availability to respond to critical outages and severe performance degradation
Comfortable troubleshooting live production issues
Ability to diagnose and remediate problems independently
Focus on both immediate mitigation and long-term prevention
Ideal Candidate
You've managed real production Linux systems and are comfortable being responsible for uptime. You have experience troubleshooting complex infrastructure problems under pressure and understand how Apache, PHP-FPM, MySQL, Redis, and Elasticsearch interact in a production web stack. You thrive in a flexible, part-time arrangement and can work independently while collaborating remotely with a small technical team.
Savi Gurus is an equal opportunity organization. We welcome applicants of all backgrounds. To apply, please submit your resume and a brief summary of relevant production Linux experience.
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