Linux Systems Administrator – Cloud & Distributed Systems, Lead Associate

Key Responsibilities

• Administer and optimize enterprise Linux systems across large distributed clusters (60+ nodes, multi-rack deployments)
• Monitor system health, performance, and reliability; troubleshoot complex hardware, software, network, and cloud issues
• Support and tune Hadoop (HDFS/YARN) and Accumulo environments
• Engineer monitoring, observability, and alerting solutions
• Automate infrastructure using scripting and Infrastructure-as-Code
• Patch, harden, and secure systems in compliance with security standards
• Manage LDAP-based user accounts and core Linux services (DHCP, DNS)
• Support Kubernetes-based containerized workloads
• Participate in architecture discussions and cross-team engineering efforts
• Contribute to incident response and root cause analysis
• #MDFSP

Required Qualifications

• 7+ years of Linux systems administration experience
• 5+ years scripting (Bash, Python, or Perl)
• 5 years with BS/BA or 3 years with MS/MA
• Experience supporting large-scale distributed systems across multiple clusters
• Hands-on experience with Hadoop, Accumulo, and distributed storage technologies
• Experience with Kubernetes and Docker
• Familiarity with automation tools (Puppet, Ansible, Salt) and IaC (Terraform or CloudFormation)
• Knowledge of monitoring platforms (Prometheus, Grafana, ELK, Splunk)
• Understanding of networking fundamentals (VLANs, TCP/IP, load balancing)
• Experience with high-availability design, storage architecture, and disaster recovery
• System hardening and security compliance experience

Required Certifications & Clearance