Senior Systems Security Engineer

Lumen Technologies’ Black Lotus Labs is hiring an engineer to support the operations of its cybersecurity research and analysis infrastructure. The role maintains and optimizes Linux systems and distributed big data platforms used to ingest, store, and analyze cyber threats.

Responsibilities:

• Respond to system alerts and take appropriate action to troubleshoot and resolve identified issues
• Open and maintain Jira tickets to track system issues, tasks, and required follow-up activities
• Investigate system resources, processes, and performance issues to identify root causes and potential solutions
• Maintain system infrastructure to support ongoing stability, reliability, and availability
• Tune and optimize systems to improve overall performance, efficiency, and resource utilization
• Enhance monitoring and alerting systems to improve visibility into system health and proactively identify potential issues

Requirements:

• Bachelors Degree
• 6 years of experience, or 4 with Masters degree
• Candidates must have a strong background demonstrating
• Knowledge of big data systems like Hadoop
• Knowledge of Linux administration
• Knowledge of system logging
• Knowledge of host networking
• Masters Degree
• Experience with Hadoop distributions
• Experience with Docker and Docker Swarm
• Experience with Gitlab repository
• Scripting and automation (Bash/Python) of systems
• Experience with CI/CD deployment tools
• Experience with task tracking software like Jira
• Administrating virtual machines on cloud providers
• Securing Linux systems and associated applications
• Knowledge of iptables and nftables tools
• Managing system with infrastructure tools like Salt or Bash
• Administrating Elasticsearch clusters