Linux System Engineer

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Responsibilities:

• Design, implement, and maintain physical and logical Linux-based infrastructure on a variety of hardware
• Develop utilities to automate tasks
• Provide support (during and after business hours) for existing products and features, including: Incident diagnosis
• Escalation to appropriate team members
• Incident resolution Incident report / root cause analysis

Minimum Qualifications:

• 1+ years experience with RHEL (preferred) or Ubuntu derivatives
• Thorough understanding of:
• Virtualization concepts (level 1 & 2 hypervisors, OS containers, app containers)
• Basic distributed systems concepts (clustering, CAP, RAFT, erasure coding)
• Load balancing concepts, strategies, and technologies
• Networking concepts (VLANs, LACP, OSI layers, VXLAN)
• Application design (tradeoffs in monolith vs services, state storage)
• Deployment design (CI/CD pipelines, 12 factor app concepts, dependency management)
• Service meshes (service discovery, integration with applications)

Proficient at:

• Using version control systems (Subversion, Git)
• Advanced Bash scripting (and knowing when to avoid it)
• Writing small apps in Python or Perl
• Using configuration management tools, preferably Ansible (writing roles, writing/running playbooks)
• Verbal and written communication (emphasis on minimizing misunderstands)
• Reading and interpreting code in various languages
• File systems (LVM, NFS, ZFS)