"Big data platforms are the backbone of modern analytics, and skilled Hadoop administrators are in high demand to keep them running smoothly. Companies in fast\u2011growing tech hubs like Austin are seeking experts who can provide reliable L2/L3 support for mission\u2011critical clusters. This role offers a chance to deepen your Hadoop expertise while working on\u2011site three days a week with a supportive team.\n\n# Job Summary\nWe are looking for a Mid\u2011Senior Hadoop Administrator to deliver L2/L3 production support for Hadoop environments. The candidate will troubleshoot issues, perform cluster maintenance, and ensure high availability for data pipelines. The position is based in Austin, TX with a hybrid onsite schedule (3 days/week) and runs for an 11\u2011month contract.\n\n# Top 3 Critical Skills Table\n| Skill | Why it's critical | Mastery Level |\n|---|---|---|\n| Hadoop Administration | Core responsibility for keeping clusters stable and performant | Senior |\n| L2/L3 Production Support | Directly impacts uptime and SLA compliance for data workloads | Senior |\n| Linux/Unix Systems | Underlying OS for Hadoop; essential for troubleshooting and scripting | Mid |\n\n# Interview Preparation\n1. **Explain the process you follow for diagnosing a failed Hadoop MapReduce job.**\n *What the interviewer is looking for:* Ability to trace logs, understand YARN, and isolate resource or code issues.\n2. **How do you handle a full HDFS disk situation in a production cluster?**\n *What the interviewer is looking for:* Knowledge of HDFS quotas, data archiving, and safe node decommissioning.\n3. **Describe a time you performed a Hadoop cluster upgrade. What steps did you take to minimize downtime?**\n *What the interviewer is looking for:* Planning, backup strategy, rolling upgrades, and validation procedures.\n4. **What monitoring tools have you used for Hadoop, and how do you set alerts for critical metrics?**\n *What the interviewer is looking for:* Experience with Ambari, Cloudera Manager, Grafana, or custom scripts and metric thresholds.\n5. **How would you troubleshoot a persistent latency issue in HDFS reads?**\n *What the interviewer is looking for:* Understanding of block placement, network bottlenecks, and filesystem tuning.\n\n# Resume Optimization\n- Hadoop Administration\n- L2 Production Support\n- L3 Production Support\n- HDFS Management\n- YARN Resource Scheduling\n- Linux/Unix Scripting\n- Cluster Upgrade\n- Monitoring (Ambari/Cloudera Manager)\n- On\u2011site Hybrid Work\n- 8+ Years Experience\n\n# Application Strategy\nWhen emailing the recruiter, start with a brief greeting, attach your updated resume, and clearly highlight your top skills that match the role. Mention your extensive Hadoop admin experience, specific L2/L3 support projects, and any relevant certifications. Make sure to reference the location (Austin) and your ability to work the required onsite schedule.\n\n# Career Roadmap\n| Current Role | Typical Experience | Core Focus | Next Position |\n|---|---|---|---|\n| Hadoop Admin | 7\u20119 years | Cluster operations & support | Senior Hadoop Admin |\n| Senior Hadoop Admin | 10\u201112 years | Architecture, optimization, team lead | Hadoop Platform Manager |\n| Hadoop Platform Manager | 12+ years | Strategy, multi\u2011cluster governance | Director of Data Engineering |\n"