Sr. Linux Administrator

About IEX:

At IEX, we're passionate about building technology that moves industries forward. Our story began when we built a stock exchange designed to deliver high-performance results for all investors. Our belief is that technology should level the playing field so that opportunity is equitable. We are applying what we learned from building a high-performance stock exchange to build technology that solves for complexity and accelerates growth in other areas. We aspire to build a trusted, disciplined, and diversified business. Our goal is to build transformative technology without ever compromising our integrity - and we're just getting started!

Role Overview:

We are seeking a highly skilled and experienced Senior Linux Administrator with strong expertise in Linux Administration and automation using Python and developing/consuming APIs. The ideal candidate will be responsible for managing complex Linux-based environments, driving infrastructure automation, improving system reliability, and enabling integrations through robust APIs.

If the following motto applies to you: "Obsessed about building platforms through Automation and Tooling, and getting Clarity through Observability and Monitoring,"  then we should talk.

Key Responsibilities:

Linux Systems Administration

• Manage, configure, and maintain enterprise-scale Linux systems (primarily Ubuntu).
• Monitor system performance in Prometheus, conduct tuning, and ensure high availability and disaster recovery readiness.
• Apply security best practices, patch management, and hardening of systems.
  
  

Automation & Scripting

• Design and implement automation tools/scripts using Python for routine system tasks, deployments, monitoring, and reporting.
• Develop and maintain Ansible playbooks, shell scripts, or other IaC tools to automate infrastructure management.
• Create self-service tools and scripts to enable developer and DevOps efficiency.
  
  

API Development & Integration

• Develop and maintain RESTful APIs to enable system integrations and services.
• Create Python-based tools to consume third-party APIs for orchestration or reporting purposes.
• Document and maintain API endpoints, security configurations, and access control mechanisms.
  
  

Monitoring & Logging

• Implement and maintain centralized logging and monitoring solutions (e.g.,  Prometheus/Grafana, Graylog, etc.).
• Automate alerting and remediation actions based on system health and performance metrics.
  
  

Collaboration & Support

• Work closely with DevOps, developers, and security teams to ensure seamless CI/CD pipeline integrations and secure infrastructure.
• Provide tier-3 support for developer issues, troubleshooting system and application problems.
  
  

Documentation & Knowledge Sharing

• Create detailed documentation for system configurations, procedures, automation scripts, and APIs.
• Mentor junior team members and participate in training sessions or technical knowledge sharing.
  
  

Required Skills & Experience:

• 5 years of experience in Linux administration in production environments.
• Strong hands-on experience with Python for automation and tool development.
• Proficiency with RESTful API design, development, and integration.
• Experience with configuration management tools (e.g., Ansible ).
• Solid understanding of networking concepts, firewalls, and security practices.
• Familiarity with container technologies (e.g., Docker) and virtualization platforms.
• Excellent problem-solving skills and attention to detail.
• Strong written and verbal communication skills.
  
  

Optional Skills & Experience: 

• Experience with Storage platforms ( EMC, Pure, Vast, etc )
• Experience with Virtualization technologies like VMWare
  
  

Our job titles may span more than one career level. The starting annual base pay is between $200,000 and $240,000 for this NY-based position. The actual base pay is dependent upon many factors, such as: training, transferable skills, work experience, business needs and market demands. The annual base pay range is subject to change and may be modified in the future. This role is eligible for bonus and equity.

Here at IEX, we are dedicated to an inclusive workplace and culture. We are an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, creed, religion, alienage or national origin, ancestry, citizenship status, age, disability or handicap, sex, marital status, veteran status, sexual orientation, genetic information or any other characteristic protected by applicable federal, state or local laws. This policy not only complies with all applicable laws and protects workers' rights but is vital to IEX's overall mission and values.