LEAD ADMINISTRATOR L1(CONTRACT)

Role Purpose

The purpose of this role is to resolve high-priority incidents through advanced troubleshooting, ensure SLA compliance, analyse system performance trends, and create mitigation measures by collaborating with internal and external stakeholders.

Areas of responsibility

Triaging and resolution of tickets-Provide resolution to high priority incident (P2) tickets, performing advanced troubleshooting and root cause analysis to ensure timely closure.

SLA Monitoring-Ensure SLA compliance for assigned technology areas and ensure proactive escalation management.

Performance tuning and optimization-Analyse system performance data, coordinate findings on system behaviour, and support capacity planning initiatives to enhance overall system efficiency.

Perform system Improvements-Create mitigation measures to evaluate new tools or improvements by collaborating with technical teams.

Handling disaster recovery-Perform security assessments and recovery drills, and implement necessary controls to ensure compliance with established security standards.

Reporting and stakeholder engagement-Participate in weekly and monthly service review meetings, provide updates on performance and issues, and support stakeholder communication to ensure transparency and service alignment.

Team Management-Collaborate with team members to resolve open tickets and service requests.

Knowledge base and continuous learning Contribute to updating SOPs, knowledge articles and maintaining the knowledge repository for the purpose of future ticket resolution.

Location - Pune

This is combination of Cassandra DBA as Primary and secondary as Mongo DBA + Redis, candidate should be open to work in Evening shifts as per customer requirement

Cassandra DBA JD

Description:

Installation Of Apache/DSE Cassandra DB on Bare Metal servers or cloud

Upgrade of existing Apache/DSE Cassandra DB to higher version.

Data Migration activities on Cassandra DB.

Debugging Issues and fixing on Cassandra DB with Application teams.

Capacity Planning.

Adding / Removing Cassandra nodes or the whole DC to existing DC.

Working on automating existing system monitoring/creating dashboard using Shell script, Python.

Working on Ansible, Dockers. Good understanding of ansible playbooks.

Setting Up OpsCenter.

Good understanding of certificates, how keystore/truststore works in DB.

Good exposures to authenticating Cassandra DB using JMX.

Good understanding of Heap, Garbage collection works in DB.

Working on Central station tickets and Radars assigned by different application teams.

Basic understanding of Elasticsearch, creating Elastic Search index, creating dashboard using index metrices.

Basic understanding of Solr/Spark, creating Solr indexes, Spark jobs.

Experience supporting Linux or cloud environments.

Strong Diagnostic, Problem-solving and decision-making abilities.

Ability to work independently and with others to support local, regional and global teams.

Manage multiple assignments in a fast-paced environments.

knowledge of Ticketing tool like remedy

Solid understandings of ITIL principles and SLAs.

On call support Rotation-wise.

Hands-on data analysis or research experience in database sharding, replication, recovery, and performance optimizations, in in-memory databases

Proficient in data migration and minimization of downtime supporting an SLA

Identify key metrics and build resilient processes to detect and minimize issues

Strong, hands-on knowledge of scripting and automation tasks.

Experience preparing and working in a production environment

Install and configure Redis/ElasticSearch database software

Monitor performance and tune, diagnose and repair data systems

Implement backup and recovery methods for Redis cache

Manage security connection to the Redis databases

Maintain the security requirements for the Redis database

Develop and document standards, processes and procedures for forethinking operational efficiencies on the Redis platform

Working closely with other teams and collaborating with other team members

Support and problem resolution for major outage and/or complicated technical challenges that may arise in the ecosystem

Work closely with team management, advanced engineering and vendor on all architectural decisions

Strong communicator (written and spoken) and time manager who excels at working with distributed teams.

Provide status reporting to information technology management and any assigned project teams when required

Work with vendor and Engineering to deploy Redis updates, patches and version upgrades when required

Capacity planning Aligning with the systems engineering team to propose and deploy new hardware and software environments required to ensure scalability and reliability

Applying security patches

Build tools, services, frameworks and interfaces to enable monitoring, management and operations in production.

Willingness to investigate and troubleshoot issues and make recommendations to improve system performance

Willingness to work on other NoSQL databases such as Cassandra and ElasticSearch.

MongoDB Database Administrator

8 -10 years Experienced DBA (any database)

MongoDB DBA (2 years plus)

Scripting and programming experience

Production deployment experience

Migration experience from RDBMS to MongoDB.

Exposure to public cloud would be an added advantage

Responsibilities:

MongoDB - CRUD Operations, Document based Data Modeling, Design of Collections and Documents

Experience with physical collection creation, access pattern tuning, sharding implementation, index creation, and debugging query execution to obtain optimum database performance

Excellent understanding of various MongoDB database design patterns and physical architectures for different use cases

Data replication and sharding in a distributed database

Aggregation of data using MapReduce and other batch processing use cases

Experienced in MongoDB Security

Detecting performance problems using Mongo Profiler

Automate routine tasks with your own scripts and open-source tools

Defragmentation

Schema Design – working with Application/Development team

Query fine tuning

Shell scripts for Monitoring like ‘slow queries’, replication lag, nodes fails, disk usage etc.

Backup and restores ( Backups should be automated with shell scripts/Ops Manager)

Database Health check (Complete review of Database slow queries, fragmentation, index usage...etc. )

Index rebuild

Upgrades (Java version, Mongo version,etc)

Maintenance ( Data center outages, etc)

Architecture design as per the Application requirement

Writing best practices documents for sharding, replication for Dev/App teams

Log rotation/ maintenance ( mongos, mongod, config. etc)

Segregation of duties ( User Management – designing User roles and responsibilities )

Disk usage, CPU, Memory check Alerting

Database Hardening

Designing DR (Disaster Recovery)/COB ( Continuity of Business) plans as applicable

Database Profiling, Locks, Memory Usage, No of connections, page fault etc.,

Export and Import of Data to and From MongoDB, Run time configuration of MongoDB,

Data Managements in MongoDB Capped Collections Expired data from TTL,

Monitoring of Various issues related with Database,

Monitoring at Server, Database, Collection Level, and Various Monitoring Tools related to MongoDB,

Database software Installation and Configuration in accordance with Client defined standards

Database Migrations and Updates

Application of database patches

Capacity management

Hands on experience in Server Performance tuning and Recommendations

High availability solutions and recommendations

Hands on experience in Root cause analysis for business impacting issues