Kiran Kumar Kalimuthu

• Administer and maintain the Jira platform, including user management, permission schemes, workflows, issue types, and custom field configurations.
• Configure and customize Jira to meet the specific needs of multiple teams and projects, ensuring alignment with organizational processes.
• Implement and enforce Jira governance policies, security controls, compliance requirements, and best practices for consistent usage across teams.
• Manage and administer Bitbucket repositories, branching strategies, access controls, and repository-level governance in line with development and security standards.
• Ensure seamless integration between Jira, Bitbucket, CI/CD pipelines, and other development tools to streamline DevOps workflows.
• Configure and customize Jira to meet the specific needs of multiple teams and projects, ensuring alignment with organizational processes.
• Provided 2nd and 3rd level technical support and troubleshooting to internal and external clients.
• Implement and enforce Jira governance policies, security controls, compliance requirements, and best practices for consistent usage across teams.
• Manage and administer Bitbucket repositories, branching strategies, access controls, and repository-level governance in line with development and security standards.
• Ensure seamless integration between Jira, Bitbucket, CI/CD pipelines, and other development tools to streamline DevOps workflows.
• Design and implement Azure network architectures—including VNets, subnets, routing, peering, and VPN gateways—to support enterprise cloud infrastructure.
• Configure and manage Azure networking services such as Virtual Network Gateway, Load Balancer, Azure Firewall, Azure DNS, and Traffic Manager.
• Implement and maintain secure connectivity between on-premises environments and Azure resources using Site-to-Site VPNs and other hybrid networking technologies.
• Monitor, troubleshoot, and optimize Azure network performance, availability, and security to ensure high uptime and reliability for cloud applications.
• Implement Azure policies, access controls, and network segmentation to protect resources against unauthorized access, cyber threats, and data breaches.
• Automate network deployment, configuration, and lifecycle management using ARM templates, scripting, and other automation tools.
• Stay up to date with emerging Azure networking technologies, security practices, and architectural trends to drive continuous improvement.

• Linux Administration & Troubleshooting: Managing and maintaining Ubuntu and Red Hat Enterprise Linux (RHEL) systems.
• Implement and manage Azure identity and access management solutions, including Azure.
• Manage and administer Azure cloud services and resources, including virtual machines, storage accounts, networking, and Azure Active Directory.
• Implement and maintain Azure infrastructure, ensuring high availability, scalability, and performance.
• Configure and maintain Azure virtual networks, subnets, VPN gateways, and network security groups to ensure secure connectivity.
• Server Commissioning & Decommissioning: Deploying, configuring, and securing new Linux servers, while properly decommissioning legacy systems to maintain data integrity and security.
• Configure and maintain Exchange Online, including mailboxes, distribution lists, mail flow rules, and anti-spam/anti-malware policies.
• BIOS Firmware & OS Upgrades (Physical Servers): Performing BIOS firmware updates and OS upgrades on physical servers to ensure security, stability, and compatibility with enterprise requirements.
• Manage and administer the Office 365 tenant, including user accounts, licenses, groups, and permissions.
• Implement and manage Azure backup and disaster recovery solutions to ensure data protection and business continuity.
• File System and Storage Management: Managing ext4, XFS, and NFS for efficient storage solutions. Handling Logical Volume Management (LVM) for disk partitioning, volume resizing, and storage optimization.

• Increased overall system reliability by proactively identifying potential issues through log analysis and troubleshooting efforts.
• Experienced Linux Administrator skilled in monitoring, cloud infrastructure management to ensure system stability, security, and high availability.
• Monitoring & Issue Resolution (Zabbix): Configuring and managing Zabbix to monitor system performance, detect anomalies, and troubleshoot critical issues to maintain uptime and efficiency.
• AWS Cloud Infrastructure: Deploying and managing AWS EC2 instances, S3 storage, IAM users and roles.
• Install, configure, and maintain Linux operating systems and software applications.
• Automate routine tasks using scripting languages such a shell scripting.
• Install, configure, and maintain Red Hat Enterprise Linux (RHEL) servers and systems.
• Manage user accounts, permissions, and access controls.
• Perform system upgrades, patch management, and software installations.
• Configure and maintain network services, including DHCP, LDAP, and NFS.
• Implement and maintain backup and disaster recovery solutions.

Provide technical support and assistance to end users as needed.

• Optimized PC performance through regular updates, patches, and system upgrades.
• Configured hardware, devices, and software to set up work stations for employees.
• Installed new or upgraded hardware and software and coordinated installation and follow-up with user to achieve customer satisfaction.
• Managed inventory of IT assets including hardware components and software licenses to maintain accurate records and ensure compliance with company policies.