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I am an IT Infrastructure and Technical Support professional with 10+ years of experience supporting enterprise environments, SaaS applications, and global IT infrastructure. I excel in Windows Server, Linux, Azure, Active Directory, Group Policy, virtualization, networking, and endpoint security, with a strong track record in customer-focused troubleshooting and collaboration with engineering, product, and sales teams. I thrive on analyzing complex technical issues, delivering reliable solutions, and driving proactive monitoring and automation. I enjoy mentoring teammates and contributing to scalable, secure architectures that align with business goals.…I am an IT Infrastructure and Technical Support professional with 10+ years of experience supporting enterprise environments, SaaS applications, and global IT infrastructure. I excel in Windows Server, Linux, Azure, Active Directory, Group Policy, virtualization, networking, and endpoint security, with a strong track record in customer-focused troubleshooting and collaboration with engineering, product, and sales teams. I thrive on analyzing complex technical issues, delivering reliable solutions, and driving proactive monitoring and automation. I enjoy mentoring teammates and contributing to scalable, secure architectures that align with business goals.

Karishma Karna

DevOps Developer, Cloud Developer, Full Stack Developer, +2

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I am an IT Infrastructure and Technical Support professional with 10+ years of experience supporting enterprise environments, SaaS applications, and global IT infrastructure. I excel in Windows Server, Linux, Azure, Active Directory, Group Policy, virtualization, networking, and endpoint security, with a strong track record in customer-focused troubleshooting and collaboration with engineering, product, and sales teams. I thrive on analyzing complex technical issues, delivering reliable solutions, and driving proactive monitoring and automation. I enjoy mentoring teammates and contributing to scalable, secure architectures that align with business goals.…I am an IT Infrastructure and Technical Support professional with 10+ years of experience supporting enterprise environments, SaaS applications, and global IT infrastructure. I excel in Windows Server, Linux, Azure, Active Directory, Group Policy, virtualization, networking, and endpoint security, with a strong track record in customer-focused troubleshooting and collaboration with engineering, product, and sales teams. I thrive on analyzing complex technical issues, delivering reliable solutions, and driving proactive monitoring and automation. I enjoy mentoring teammates and contributing to scalable, secure architectures that align with business goals.

Available to hire

I am an IT Infrastructure and Technical Support professional with 10+ years of experience supporting enterprise environments, SaaS applications, and global IT infrastructure. I excel in Windows Server, Linux, Azure, Active Directory, Group Policy, virtualization, networking, and endpoint security, with a strong track record in customer-focused troubleshooting and collaboration with engineering, product, and sales teams.

I thrive on analyzing complex technical issues, delivering reliable solutions, and driving proactive monitoring and automation. I enjoy mentoring teammates and contributing to scalable, secure architectures that align with business goals.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior Site Reliability Engineer/DevOps at Canadian Tire Corporation

September 1, 2025 - September 1, 2025

Acted as Lead SME for cloud initiatives, optimizing RHEL migrations and Azure pipelines to improve efficiency and reliability. Designed and executed Azure DevOps migration strategy, standardizing pipelines and repos, reducing release failures by 25%. Directed incident management for 1,500+ servers, automated RCA workflows with Python & Bash to cut escalation time and improve service reliability. Migrated 200+ Azure resources into reusable Terraform modules and enforced governance with ARM templates & Rundeck, reducing provisioning errors and ensuring compliance. Led migration from Sumo Logic to New Relic, redesigning log pipelines and integrations across 1,500+ servers, and implemented dashboards and alert policies to enhance monitoring and incident response. Implemented automated certificate renewal processes with ADO pipelines & Rundeck, saving 80% manual effort and eliminating human error. Built observability frameworks for continuous monitoring with alert muting policies, improving

Senior DevOps/Cloud Specialist at McKinsey & Company

July 1, 2021 - July 1, 2021

Developed reusable Terraform modules to standardize Azure/AWS cloud deployments, reducing provisioning errors and improving consistency. Created Docker images for middleware setups and automated deployment workflows, accelerating application delivery timelines. Led DevOps strategy and pipeline ownership, implementing CI/CD with Jenkins to embed continuous integration, testing, monitoring, and delivery practices. Collaborated with development and operations teams to align infrastructure automation with business goals and compliance requirements.

DevOps Engineer at Sunlife Financial

December 1, 2017 - December 1, 2017

Migrated on-premise DataCenter applications to AWS by designing reusable IaC templates (CloudFormation, Terraform), improving deployment consistency and reducing provisioning time by 60%. Built and automated AWS infrastructure (EC2, Auto Scaling, ELB, IAM) to support Dev, test, and production environments with high availability. Containerized applications with Docker and orchestrated deployments on Kubernetes, accelerating delivery cycles and improving scalability. Implemented configuration management and automated provisioning with Ansible and Jenkins, streamlining release processes and reducing manual errors.

IT Engineer at IBM

April 1, 2017 - April 1, 2017

Managed installation, configuration, and troubleshooting of AIX and Redhat servers, including LPAR configurations. Conducted backup administration (mksysb, file systems) and performance monitoring using commands like Topas, Nmon, Vmstat. Performed storage and paging management to optimize system resources and maintain server health.