Senior Hadoop Administrator Resume
SUMMARY:
- Professional over 12 years of IT experience that includes experience in Hadoop Administration, Project Management and IBM iSeries (AS400) Technologies
- Currently working with Confidential US as a Hadoop Administrator
- 8 years of onsite US experience with leading US based customers like Confidential, Confidential & Charter Communications
- Good understanding/knowledge of Hadoop architecture and various components such as HDFS, Yarn, Name Node, Data Node and Map Reduce paradigm
- Fair Exposure in DevOps/Orchestration Tool Ansible
- Experience in installation, configuration and management of distributed Hadoop Cluster using Hortonworks Data Platform and Cloudera distribution
- Expertise in Hadoop Administration with an extensive exposure in IBM iSeries (AS400)
- Proficient in project management activities which include planning, design, scope management, estimation, resource administration and completion of project within specified parameters
- Excellent verbal and written skills, especially with regards to presenting findings to non - technical audiences (Senior Delivery Managers, Delivery Directors)
- Experience in escalation management and bringing the issues to a logical closure
- Effective communication skills and record for coordination between globally located teams
PROFESSIONAL EXPERIENCE:
Confidential
Senior Hadoop Administrator
Responsibilities:
- Currently working as Senior Hadoop Administrator for larger telecom engagement
- Responsible for managing Hortonworks and Cloudera Hadoop clusters on-Premises infrastructure
- Responsible for Troubleshooting and analyzing Hadoop cluster/component failures and job failures
- Performed Cluster upgrades, expansion, platform optimization and performance tuning
- Performed Kerberos Implementation on HDP and Integration with Active Directory
- Responsible for providing production support during off office hours on 24x7 on-call roster basis
- Performed Sentry Implementation on CDH Clusters
- Worked closely with new users regarding their onboarding to Hadoop Clusters
- Worked on miscellaneous adhoc user access requests with respect to grant permissions to Hive databases, HDFS directories and Kafka Topics
- Worked on creation, deletion and modification of Kafka topics depending on business requirements
- Worked with vendor Cloudera and Hortonworks for resolution of critical Issues within defined SLA
- Mentoring junior Hadoop Admin resources
- Act as a primary escalation point for day-to-day project level or relationship issues between Cognizant and customer
Technology/Skills: Hortonworks HDP, Cloudera CDH, HDFS, YARN, Hive, Oozie, Zookeeper, Knox, Kafka, Ranger, Sentry and Kerberos
Confidential
Hadoop Administrator
Responsibilities:
- Worked as Hadoop Administrator for Federal Home Loan Mortgage Corporation
- Responsible for managing Hortonworks and Cloudera Hadoop clusters on-Premises infrastructure
- Responsible for Troubleshooting and analyzing Hadoop cluster/component failures and job failures
- Performed Cluster upgrades, expansion, platform optimization and performance tuning
- Responsible for providing production support during off office hours on 24x7 on-call roster basis
- Worked closely with new users regarding their onboarding to Hadoop Clusters
- Worked on miscellaneous adhoc user access requests with respect to grant permissions to Hive databases, HDFS directories and Kafka Topics
- Worked on creation, deletion and modification of Kafka topics depending on business requirements
- Worked with vendor Hortonworks for resolution of critical Issues within defined SLA
Technology/Skills: Hortonworks HDP, HDFS, YARN, Hive, Oozie, Zookeeper, Knox, Ranger and Kerberos
Confidential
AS400 Technical Project Manager
Responsibilities:
- AS400 Technical Project Manager for Confidential engagements
- Creation of SOW (Statement of work) for various projects
- Determination of LOE’s (Level of Effort) for Statement of Work
- Responsible for explaining change requests to offshore team members
- Involved in Project Review Meetings, Technical discussions, Status updates, creating/reviewing project plans
- Anchor for Disaster Recovery (DR)/Business Continuity Plan (BCP) Activity occurring on quarterly frequency
- Production support activities - emergency break fix in case of Severity Level 1, 2 production issues
- Assignment of Level 3 Production Tickets to offshore
- Daily status Call with offshore team members
- Ensuring all project artifacts is complete, accurate and reviewed and stored in a project shared folder for audit purposes
- Overall delivery responsibilities and managing the team on daily project activities and updating project status
- Responsible for managing project scope, schedule and cost, staffing, risk and quality coordinating between various stakeholders (business users, IT development, testing, other SMEs involved)
- Responsible for implementation of project road-map improvements and lesson learned from the root cause analysis exercises
- Act as a primary escalation point for day-to-day project level or relationship issues between Cognizant and customer
Technology/Skills: IBM iSeries (AS400), RPG/400, RPGIV, CL/400 and DB2/400
Confidential
Senior AS400 Consultant
Responsibilities:
- Worked as Senior AS400 Consultant on various projects
- Responsible for analysis, design and coding of Customer Order Management application projects
- Impact Analysis for New Change Requests & defects
- Weekly Status Reports to Client and Managers on Planning and Execution
- Mentoring and Knowledge transfer to new joiners
Technology/Skills: IBM iSeries (AS400), RPG/400, RPGIV, CL/400 and DB2/400
Confidential
AS400 Developer
Responsibilities:
- Worked as AS400 Developer on various HSBC Banking projects
- Preparation of Technical Specifications
- Analysis, design & coding
- Involved in peer reviews after coding process
- Interacted with business users to gather requirements
- Impact Analysis for New Change Requests & defects
- Performed unit testing & system testing
- Involved in Effort Estimation
- Weekly Status Reports to Client and Managers on Planning and Execution
- Mentoring and Knowledge transfer to new joiners
Technology/Skills: IBM iSeries (AS400), RPG/400, RPGIV, CL/400 and DB2/400
TECHNICAL SKILLS:
H adoop Distributions: Hortonworks Data Platform and Cloudera Distribution
Hadoop Components: HDFS, Pig, Hive, HBase, Sqoop, Zookeeper, Ranger, Oozie, Sentry and Knox
Admin/Monitoring Tools: Hortonworks Ambari and Cloudera Manager
Security Tools: Kerberos, Apache Sentry and Apache Ranger
Operation Systems: Linux (RHEL/CentOS), OS/400 and Windows
Cloud Platforms: Amazon Web Services (AWS)
Compliant Ticketing Tools: Service Now
Languages: Shell scripting, RPG/400, RPGIV, LANSA/400 and CL/400