• Strategic Planning & Delivery: Aligned business goals with technology solutions, optimizing resource allocation and reducing costs.• Operational Efficiency: Offloaded 70% of daily operational workload using Self-Service Platforms, Micro Services, Cloud Integration, and Automation tools (Satellite, Ansible, Cisco Cloud Manager, Terraform).• Cost Savings: Led product consolidation of compute platforms, resulting in a 36% reduction in annual software spending.• Data-Driven Improvements: Enhanced efficiency, reduced operational overhead, and boosted performance through data-driven approaches.• Kubernetes Development: Fostered seamless technology adoption by enhancing the Kubernetes development environment.• Compute Platforms as a Service: Managed end-to-end delivery, including Product Engineering, Technology Strategy, and Automation, driving innovation and reducing costs.• Security & Patching: Developed comprehensive security and patching strategies, mitigating security vulnerabilities by 95%, ensuring robust protection against threats.• Enterprise Security: Architected a security module using ServiceNow, enhancing application instance support and reducing potential risks.• Vendor Management: Rationalized and streamlined vendor support engagements, saving over £1 million annually.• Observability Program: Initiated a function-wide observability program using Grafana, Prometheus, and Loki, defining SLIs and publishing SLOs for key infrastructure platforms.• Infrastructure-as-Code (IaC): Implemented Terraform Enterprise with a HashiCorp Partner, driving the next generation of Nomura’s private cloud platform and reducing infrastructure management costs.Leadership & Collaboration: Partnered with operations to drive product portfolio strategies, leading a hybrid team of over 30 resources, including cloud operations and L3 compute teams, maintaining a server estate of over 25,000 servers.

• Spearheaded private cloud infrastructure setup using Puppet, Ansible, Cisco Cloud Center and Satellite• Responsible for managing a team of Unix and Windows Administrators based in Mumbai.• Directed infrastructure deployment and project execution for enterprise-level initiatives• Conducted regression testing, analyzed results, and submitted observations to development teams• Vendor relationship Management, Service review and SLA performance analysis and contractual negotiations with Key Hardware and Software providers as part of our IAAS platforms• Introduction of new cloud based technologies into production. adoption of RHEL 7, containers, Ansible tower and cloud ready deployments• Standardization and automation of RHEL Vulnerability management using Ansible Tower

• Worked as part of the India Unix team, responsible for managing an estate of 8000+ Servers running Redhat Enterprise Linux 4-7 and Solaris 10• On call and user support as part of a follow the sun team to the Global user base. • Travelled to "Tokyo" for implementing of Cyberark and proofpoint infrastructure across Nomura• Core Services SME for a number of key Platforms: DNS, DHCP, NTP, Kerberos infrastructure, LDAP, PKI platform, Proofpoint and Cyberark, Managed global deployments and upgrades of these platforms, provided training and knowledge transfer to the global team and acted as escalation• Standardized LDAP corporate data and cleansing efforts, ensuring data integrity and compliance• Leading projects for decommission of physical servers and migrating them to virtualizations• Providing training to internal team members and to application teams

- Oversaw 24x7 support, storage, and backup for core banking infra server and net banking servers.- Active member of the Team, responsible for building environment from scratch replicating base data center- Build and setup core banking infrastructure on more than 75 AIX servers on IBM P-Series machines - Administered comprehensive Linux/Solaris/AIX and storage infrastructure, ensuring uninterrupted operations.- Developed monitoring solutions for core business servers, utilizing Nagios for proactive issue resolution.

Joined as a Linux system administration.Responsible for Installation and monitoring of AIX 5L V5.3 AIX servers, Daily Management IBM AIX Servers p570, p550, p520, p630 with AIX 5L V5.3, AIX5L V5.2 Operating Systems.Responsible for monitoring the servers, Disk Management using LVM and Daily disk space monitoring, User and group Administration, NFS Server configuration and management.Report on server performance on daily basis.Co-ordination with different vendors for hardware as well as software deployment. Managing backups, Scheduling jobs using crontab and reconfiguring in case of failures, Monitoring AIX HACMP cluster.Administration and monitoring of Linux Servers, Disk Management using LVM, Disk Space management. Performance issues identification, reporting them and performance tuning as an when required.

• Joined as F & B Service Staff, managing events, outdoor catering and hostpitality• Promoted to IT department for strong IT knowledge and learning curve.• Migrated PoS Infrastructure to Linux reducing system failures by 30% enhancing user experience

Worked as Linux Engineer and worked with various clients.Installation and implementation of Red Hat 9 Linux systems on various client sides.Installation and configuration of sendmail, qmail, apache, squriellmail, horde outlook express and outlook.Proxy server administration, Managing and Monitoring user creation, cache maintenance, log maintenance & report generation, Configuration LINUX IPTABLES FIREWALL on RedHat 9. To handle troubleshooting & queries regarding machines, providing network solutions, Scheduling System backups with Veritas, Remote Troubleshooting, Configuration and Installation of Networks, Routine administration tasks, Updating of Norton Antivirus server.