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preeti singh

@preetisingh6

Message

Senior Site Reliability Engineer focused on observability, incident response, and enterprise uptime.

United States

Message

What I'm looking for

I’m looking for a role where I can own observability and reliability end-to-end—using SLOs, incident response, and automation to reduce MTTR and alert noise, while collaborating cross-functionally and mentoring teams.

I’m a Senior Site Reliability & Observability Engineer with 9 years of experience in production support and operations. I deliver enterprise reliability for high-stakes environments, including DNB Bank Norway, a Fortune 500 Energy company, and Canadian National Railway.

I specialize in incident management, observability, and distributed systems at scale. In my most recent role, I owned end-to-end observability and production support—building real-time dashboards, SLO tracking, and alert definitions—while reducing MTTR by 60%, cutting alert noise by 60%, and sustaining 99.9% uptime across 50+ production services for 3 consecutive quarters.

I also drive lasting operational improvements through SLO/error budget governance, capacity planning, and automation that reduces toil. I’ve eliminated 30% of manual toil using Terraform, Ansible, Python, and Bash, mentored junior SREs on on-call discipline, and authored 20+ runbooks adopted by global engineering teams.

Experience

Work history, roles, and key accomplishments

Site Reliability Engineer

Tata Consultancy Services

Mar 2021 - Nov 2024 (3 years 8 months)

Owned end-to-end observability and production support for Canadian National Railway enterprise systems across AWS and Azure. Led incident response and reduced MTTR by 60% while cutting alert noise by 60%, sustaining 99.9% uptime across 50+ services.

AWS Azure Observability Incident Response Root Cause Analysis Error Budgets Capacity Planning Terraform Ansible Python BASH On Call

Senior System Administrator / SRE

Accenture

Jun 2019 - Feb 2021 (1 year 8 months)

Administered observability for a Fortune 500 energy sector client using AppDynamics and Splunk, improving MTTD and deployment reliability. Owned production incident response and RCA, supporting zero unplanned outages and partnering on compliance audits with SLA and change management.

AppDynamics Splunk Observability Incident Response Root Cause Analysis Postmortems Compliance Audits SLA Management Change Management

Senior Analyst / System Administrator

HCL Technologies

Aug 2015 - May 2019 (3 years 9 months)

Delivered 24x7 production monitoring and incident management for DNB Bank Norway across 100+ Linux and Windows servers, reducing system downtime by 15%. Performed capacity planning, patch management, and health checks, authoring SOPs and runbooks to improve L2/L3 resolution efficiency.

Linux Windows Incident Management Capacity Planning Patch Management SOPs