Mandanna C K

• Mentor and coach engineers and seek opportunity for continuous improvement, champion engineering best- practices, tooling, and efficiency.
• Performance management including 1:1s, performance reviews, improvement plans and other processes for helping teams do their best work.
• Responsible for compensation planning, performance bonus planning and hiring.
• Hired, trained and constructed a Site Reliability team and Infrastructure team.
• Published multiple architectural documentations and troubleshooting articles for the team.
• Driving the improvement of development practices and tooling and review designs or improvements to our code base.
• Taking the lead on new projects and initiatives, driving them to completion within required deadlines.
• Manage multiple different types of infrastructure services efficiently leveraging practices for configuration management, Infrastructure as Code, efficient auto-remediation etc.
• Expert level Server engineer expertise in managing DNS, Cloud/Colocated datacenters, Active Directory, and Windows/Linux Servers.
• Build, test and rollout vCenter templates and AMIs.
• Automated and maintained global SaaS production systems, leading on-premises to cloud migrations, Datacenter migrations and automated OS patching (Windows/Linux) using Ansible and Jenkins.
• Ensured service reliability and continuity by troubleshooting complex technical issues and collaborating with cross-functional teams in a 24/7 environment.
• Experienced in designing, deploying, and maintaining hybrid cloud and on-premises infrastructure with a strong focus on Windows, Linux, VMware, and AWS services

Contract position - Under the payroll of Randstad, Adecco

• Worked at the SAAS operations center and is responsible for managing a gigantic infrastructure spread across the
  world. The main project involves WebEx meetings, Cisco Jabber, and Cisco Spark chat service. Day-to-day work includes handling technical escalations from customers, automating large-scale deployments, server administration, incident management, change management, and service restoration.
• Second level Operational/technical support for 15K+ Linux servers (Physical, VMware)
• As SOC Engineer, playing a key role in maintaining 99.999% availability of Cisco WebEx Services to customer, and
  supports key objectives related to Cisco’s SaaS applications.
• Installation, deployment and troubleshooting on production environment.
• Failover/Failback production clusters as per the requirements and criticality.
• Performing production acceptance checks for new/rebuilt production servers.
• Performing server decommission requests, coordinating with the service owners, DCO, and virtualization team.

• Hired as a full-time Systems administrator with following initial consulting role. Taking responsibility as Level2 System Admin (offshore) on production and test environment. Work on ticketing based system wherein we get requests for Change Management, Incident Management and Standard Service requests.
• Managed 65,000+ linux servers globally in a 24/7 production environment.
• Installation and configuration of user administration and profiles.
• Experience on Linux File permissions.
• Building new host, desktop, performing the checkout and fix the error.
• Managing the transition of Linux Servers through different states, i.e., Build, Build Complete, Development/QA/Pre-
• Production/Production and assuring compliance to the criteria set by the client against the server’s target state.
  Responsible for troubleshooting remotely and engaging with the onsite Hardware, Networking, and Cabling teams to resolve issues.