Junior Hadoop Administrator

Role – Hadoop Administrator About The Role We are looking for an experienced Hadoop Administrator (MapR) to manage and support our production‑grade MapR Hadoop clusters. The ideal candidate will have hands‑on experience running mission‑critical, multi‑tenant Hadoop environments, ensuring high availability, performance, and security across diverse workloads. Key Responsibilities Manage, monitor, and optimize MapR‑based Hadoop clusters in a production environment. Oversee daily operations, including cluster health checks, performance tuning, capacity planning, and system upgrades. Perform installation, configuration, patching, and version upgrades for MapR distributions and ecosystem tools. Configure, support, and optimize multi‑tenant setups, ensuring isolation, resource fairness, and performance SLAs. Manage YARN queues, ACLs, quotas, and security policies per tenant requirements. Collaborate with data engineering and analytics teams to onboard new tenants and align resource needs. Performance & Troubleshooting Diagnose and resolve cluster performance issues, bottlenecks, and failures across MapR FS, YARN, Spark, Hive, Kafka, and related services. Manage node failures, job failures, and cluster rebalancing while maintaining uptime. Automate alerting, monitoring, and reporting using tools like MapR Control System (MCS), Grafana, Nagios, Prometheus, or similar. Security & Compliance Implement and manage security features such as Kerberos, Ranger/Sentry policies, SSL encryption, and user/role management. Ensure compliance with internal and external standards for data governance and security. Backup, Disaster Recovery, & High Availability Maintain reliable backup and DR strategies using MapR snapshots, mirrors, and failover configurations. Ensure 24/7 availability of production environments and participate in on‑call rotation. Automation & Scripting Develop automation for operational tasks using Python, Shell scripting, or Ansible. Streamline cluster provisioning, monitoring, and deployment pipelines. Required Skills & Qualifications 4+ years of hands‑on experience as a Hadoop/MapR Administrator. Strong knowledge of MapR‑FS, MapR‑DB, MapR Streams, YARN, Hive, Spark, and Kafka. Experience managing production clusters with high availability requirements. Proficiency in Linux administration (RHEL/CentOS/Ubuntu). Expertise with multi‑tenant Hadoop environments, resource governance, and user management. Strong skills in shell scripting, automation, and performance tuning. Experience with monitoring tools (Grafana, Nagios, Prometheus, MapR MCS). Understanding of Hadoop security (Kerberos, SSL, ACLs, AD integration). Preferred Qualifications Experience migrating from MapR to other Hadoop distributions (Cloudera, Hortonworks) – a plus. Knowledge of Cloud (AWS/Azure/GCP) big data services. Experience with CI/CD pipelines, DevOps tools, or containerized big data workloads. Mandatory Skills Exp in Hadoop Admin, linux, unix, MapR, Grafana, Spark, Hive, kafka. Candidates should have minimum 2 to 3 years of exp. If you are interested, share us your resume at View email address on click.appcast.io Life At Capgemini Capgemini supports all aspects of your well‑being throughout the changing stages of your life and career. For eligible employees, we offer: Healthcare including dental, vision, mental health, and well‑being programs Financial well‑being programs such as 401(k) and Employee Share Ownership Plan Paid time off and paid holidays Paid parental leave Family building benefits like adoption assistance, surrogacy, and cryopreservation Social well‑being benefits like subsidized back‑up child/elder care and tutoring Mentoring, coaching and learning programs Employee Resource Groups Disaster Relief Disclaimer Capgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law. This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodations do not pose an undue hardship. Capgemini is committed to providing reasonable accommodations during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact. More information on your rights as an Applicant: Salary Transparency Capgemini discloses salary range information in compliance with state and local pay transparency obligations. The disclosed range represents the lowest to highest salary we, in good faith, believe we would pay for this role at the time of this posting, although we may ultimately pay more or less than the disclosed range, and the range may be modified in the future. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue‑based metrics, and business or organizational needs. At Capgemini, it is not typical for an individual to be hired at or near the top of the range for their role. The base salary range for the tagged location is $56,186 to $87,556 /yearly. This role may be eligible for other compensation including variable compensation, bonus, or commission. Full time regular employees are eligible for paid time off, medical/dental/vision insurance, 401(k), and any other benefits to eligible employees. Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, or any other form of compensation that is allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law. #J-18808-Ljbffr Capgemini