Hi, I'm ArunSanthoshKumar Annamalai 👋

Director, Principal Architect· Site Reliability Engineering (SRE).
Building resilient, scalable systems — bridging Architecture and Operations at cloud scale.

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🧑‍💼 About Me

• 🏗️ Principal Architect / Director SRE — designing high-availability platforms and leading reliability engineering at scale
• 🔭 Specialize in Site Reliability Engineering (SRE), Platform Engineering, Cloud Architecture, and Telemetry
• 📡 Telemetry Expert — designing end-to-end observability pipelines with OpenTelemetry, distributed tracing, metrics, and log aggregation at enterprise scale
• 🤖 Passionate about Python, Automation, Data Analytics, and AI-driven investing systems
• 🤝 Open to collaborating on start-up ideas, product builds, and open-source SRE tooling
• 📫 Reach me anywhere as @arun7pulse — LinkedIn · GitHub · Twitter · Kaggle · Google

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🛠️ Tech Stack & Expertise

Cloud & Infrastructure

SRE & Observability

Languages & Automation

Data Engineering & Analytics

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📌 What I'm Working On

Area	Focus
🤖 Automated Investing	Building bot-driven systems for data-driven investing strategies
☁️ Platform Engineering	Designing self-service internal developer platforms (IDPs)
📊 Observability	SLO/SLA frameworks, error budgets, and chaos engineering
🧠 AI & ML Ops	Integrating ML workflows into reliable production pipelines

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🏆 Recognition & Impact

🎖️ Awards & Achievements 🥇 Best-in-Class SRE Practice Award — recognized for implementing enterprise-wide reliability standards adopted across business units 🏅 Innovation Excellence Award — honored for pioneering AI-augmented incident management, reducing MTTR by 60% 🌟 Top 1% Engineer distinction at multiple Fortune 500 organizations based on performance reviews and impact assessments 🏆 Cloud Transformation Champion — led multi-cloud migration serving 10M+ end users with zero downtime

📣 Speaking & Thought Leadership 🎤 Speaker at SREcon, KubeCon, and internal engineering summits on production reliability at hyperscale ✍️ Author of PulseTechOps Newsletter — curating SRE, platform engineering, and cloud architecture insights for practitioners 📰 Featured in industry publications and engineering blogs on SRE best practices and observability architecture 🎓 Mentor to 50+ engineers on SRE career paths and reliability engineering principles

📊 Quantified Engineering Impact ⚡ Reduced P1 incident frequency by 70% through proactive SLO-based alerting and chaos engineering 💰 Delivered $10M+ in annual cost savings via cloud optimization and right-sizing across AWS & GCP 🚀 Scaled platforms to support 100M+ requests/day with 99.99% availability SLA adherence 🔧 Designed self-service IDP adopted by 500+ engineers, cutting deployment lead time by 80%

🌐 Critical Role & Influence 👔 Director / Principal Architect shaping enterprise-wide engineering strategy and reliability culture 🔑 Sole architect for multi-region disaster recovery designs protecting billions in business-critical workloads 🤝 Cross-industry peer reviewer for SRE frameworks and platform engineering standards 📋 Technical lead on high-impact projects demonstrating extraordinary ability in cloud systems reliability

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📰 Newsletter

PulseTechOps on Substack — A newsletter for SRE practitioners, platform engineers, and cloud architects. Weekly deep dives on observability, incident management, infrastructure automation, and the future of tech operations.

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📈 GitHub Stats

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🤝 Let's Connect

"Reliability is not a feature — it's a foundation."

I'm always open to conversations about SRE best practices, cloud architecture, platform engineering, and start-up collaborations. Feel free to reach out!

LinkedIn · GitHub · Twitter · Kaggle · Substack Newsletter