As a Senior Enterprise System Administrator & DevOps/SRE Expert with 18+ years of proven experience in enterprise IT infrastructure, cloud architecture, and automated operations, I specialize in building, securing, and maintaining high-availability IT systems for healthcare and payment industries—delivering 7×24 reliable business operations and end-to-end cloud solutions. I’m a certified AWS Solutions Architect-Associate, PCI Safety Engineer, and Microsoft MCSE, with core expertise in AWS cloud platform design/deployment/disaster recovery, VMware/K8s virtualization, Windows/Linux server management, and full-cycle PCI DSS compliance. I excel at implementing DevOps automation via Jenkins/Ansible/GitLab, building Prometheus/ELK monitoring & log analysis systems, integrating SaaS applications (Okta/Jira/Tableau/Salesforce), and leading cross-team projects to drive seamless cloud migration and payment solution integration. Committed to solving complex infrastructure challenges, I combine deep technical skills with industry-specific know-how to deliver stable, scalable, and secure IT solutions that align with global business goals.

Experienced sysadmin turned SRE, optimizing systems for reliability & scalability, driving peak performance.

I am a Site Reliability Engineer and DevOps specialist with over three years of hands-on experience in cloud computing, infrastructure automation, and application reliability. I design, implement, and maintain highly available, scalable, and secure cloud infrastructures using AWS, Linux, Python, Docker, and Ansible, while optimizing deployment workflows and ensuring smooth operations for critical business applications. My work focuses on reducing downtime, enhancing system reliability, and automating essential processes, enabling companies to deliver services efficiently, securely, and cost-effectively. Throughout my career, I have implemented SRE best practices including observability, incident response, capacity planning, and vulnerability mitigation to maintain 99%+ SLA compliance. I have extensive experience with cloud services such as S3, EC2, IAM, Glue, and DMS, and I am skilled in designing resilient architectures and optimizing cloud resources for cost and performance. My DevOps expertise includes building and automating CI/CD pipelines using Jenkins, orchestrating workflows with Apache Airflow, and scripting in Python and Shell to streamline complex operational processes. I have a strong background in Linux and Windows server administration, containerization, and configuration management with Docker and Ansible, ensuring reliable and portable environments. I have developed centralized logging and monitoring solutions using the ELK Stack, significantly improving visibility, reducing issue detection times, and enabling faster incident resolution. Additionally, I have contributed to security and compliance initiatives, including ISO 27001 readiness and proactive cloud security measures, helping organizations protect sensitive workloads while maintaining operational efficiency. During my career, I have achieved measurable results, including reducing critical application recovery time by approximately 95% through automated backup and alerting systems, cutting non-production patch testing times by nearly 100% with fully automated pipelines, and mitigating cloud vulnerabilities by over 50% month-over-month through workflow automation and tagging compliance. I have consistently delivered incident resolutions with 99%+ SLA compliance and provided on-call support for critical applications, ensuring business continuity and operational stability. In addition to engineering, I create educational content on Udemy and YouTube covering Python, the ELK Stack, DevOps, and cloud computing. This allows me to stay at the forefront of technology trends while sharing knowledge and helping others advance in their tech careers. I hold a B.Sc. (Hons.) in Information Technology from the University of Moratuwa, Sri Lanka, and certifications in Cybersecurity Essentials, Docker, Python for Data Science, and Ansible for DevOps. I am passionate about solving complex problems, automating workflows, and delivering reliable solutions that enable businesses to scale efficiently. I welcome opportunities to collaborate with clients on projects involving cloud architecture, DevOps automation, site reliability practices, monitoring, and security enhancements, and I am committed to delivering results that meet both performance and operational goals.

I am a Senior Site Reliability Engineer with over 10 years of extensive experience in SRE, Platform Engineering, and DevOps. My expertise lies in building and maintaining robust cloud infrastructure, ensuring system reliability, and enhancing security protocols. I specialize in DNS management and focus on keeping systems seamlessly operational. I have a strong background in automation and scripting, with proficiency in CI/CD pipelines, monitoring, and incident management. My approach emphasizes proactive security measures and performance optimization, enabling businesses to avoid downtime and enhance their digital operations. If you’re seeking a skilled engineer who can dive deep into the intricacies of your systems while streamlining processes, let's connect to discuss how I can contribute to your project's success.

I’m a hands-on Site Reliability Engineer with deep expertise in Cloud Infrastructure, Kubernetes, Big Data, GitOps, Networking, and Automation. I thrive on building scalable, secure, and reliable platforms—engineering for high availability, performance, observability, and cost efficiency. Over the years, I’ve developed powerful Golang utilities for S3 operations, Glue data consolidation, incident reporting, GitHub analytics, CloudFormation templating, and ECR image promotion. I built a Golang-based API servicer from scratch—deployed on AWS Lambda, API Gateway, and Kubernetes—and integrated it with Hubot for SRE automation. I’ve led EKS upgrades, managed CI/CD pipelines with Concourse, and executed zero-downtime migrations for AWS RDS (MySQL 5.x → 8.x). I manage entire data lake ecosystems on AWS (S3, Glue, Athena) and run optimized Spark jobs on EC2 Spot via EKS. I provision infra using Pulumi (AWS/GCP), with hands-on exposure to Terraform. I’ve scaled platforms using Karpenter and Cluster Autoscaler, and migrated legacy workflows to Prefect, creating custom tasks and flows in Python. From conducting blameless postmortems to leading SOC2 audits, I take ownership and deliver at every layer of the stack. I'm passionate about automation, reliability, and building systems that just work.

I’m an experienced Cloud Engineer specializing in Google Cloud and backend Go development. My focus is on designing and implementing secure, scalable, cost-effective cloud architectures and solutions that fit your business and technical requirements. Maintaining my two Google Cloud certifications, Professional Cloud Architect and Professional Cloud Developer, and engaging in the broader developer community keeps me up to date on Google Cloud product announcements and best practices. My clients benefit from my experience handling the full application lifecycle, including day two operations such as Backup and Disaster Recovery. I am comfortable with the Google Cloud Operations Suite (Logging, Tracing, Metrics, Error Reporting) and handling observability of currently running applications. I strive to make meaningful, actionable insights easy to access and understand for my clients. When I write application code I use Go and typically develop horizontally scalable, stateless apps that are deployed to managed compute platforms meant for running containers, like Cloud Run and GKE. I have experience with a wide range of API technologies, including REST, GraphQL, gRPC, OAuth, JWTs, and modern bot/abuse protection. I implement efficient webhook handlers and API integrations so that you don't have to worry about data deduplication or mishandled events. Tech Stack: - Infrastructure: GCP, Firebase, GitHub, Terraform Cloud, MongoDB Atlas - Databases: MongoDB, Firestore, Cloud Spanner, BadgerDB (k/v), SQLite - Compute: Cloud Run, Cloud Run Functions, GKE - Networking: Cloud Load Balancing, Cloud Armor, Cloud DNS, Cloud CDN - Other GCP Services: Pub/Sub, Operations Suite - Application Lifecycle: Cloud Build, Cloud Deploy - Authentication: Auth0, Firebase Auth - Messaging: Twilio, Vonage - Payments: Stripe, Circle Other Specialty Areas: - Site Reliability Engineering (SRE) - Cloud Native Applications - Event Driven Architecture - Webhook Integration - SaaS and Multi-Tenant Applications - Application Lifecycle and CI/CD - API Development (REST + gRPC) I take on projects of all sizes, at many different levels of involvement. I look forward to working with you!

Site Reliability Engineer (SRE) | Database Reliability | Cloud Migration | DevOps Automation | PostgreSQL | MySQL | GCP | AWS | ByteDance/Tokopedia Experienced SRE and Database Engineering with 7+ years in database administration, performance tuning, and large-scale cloud migration projects across Tokopedia, GoTo, and ByteDance/TikTok. Strong expertise in PostgreSQL, MySQL, and distributed databases (Yugabyte, Cassandra, Scylla). Skilled in designing high availability systems (Patroni), building Database-as-Code frameworks, and implementing automation pipelines (Ansible, Jenkins, GitHub Actions). Proven impact in reducing downtime to minutes, cutting operational effort by 80%, and saving thousands in cloud costs while supporting high-traffic e-commerce events with 99.9% uptime.

Profile: With over 15 years of technical leadership and a decade at the forefront of Site Reliability and Performance Engineering, I have driven significant reliability, performance, and operational improvements at 37signals, Realtor.com, and Cox Media Group. Performed an integral role at 37signals during the cloud to on-premise hardware migration, anticipated to save $1.5 million annually. While working successfully as a remote-first technical leader I've effectively implemented advanced SRE practices, conducted detailed performance analyses, developed load testing frameworks and performance budgets, and championed operational health projects. As a technical and empathetic leader, I strive to bridge gaps in strategy, communication, planning, and technical specifications, while fostering a team-first culture and empowering future leaders. My experience is rooted in quality, efficiency, and favoring measurements over guesses, and covers a broad spectrum of performance, reliability, and security challenges. I have driven initiatives that enhance system performance and prioritize customer success, resulting in delightful and highly performant user experiences. Key Highlights: • Site Reliability & Performance Engineering leader for $2.5B+ industry-leading real estate & integrated media & broadcasting companies with over 100/50M unique users. Transitioned 37signals to on-premise hardware from AWS cloud, projected to save $1.5M annually, demonstrating leadership in highly available and massively scaled environments. • Lead performance architect for 100+ web services CDN optimization and security compliance migration. Achieved a 50% reduction in back-end transactions, service offload above 95%, and an average cost reduction of 40%. Enhanced system resilience and optimized resource allocation for Basecamp and HEY services at 37signals. • Advanced SRE practices, performance optimizations, and tooling at 37signals through the development of load testing frameworks and performance analysis tools; effectively managing critical security operations during a major DDoS attack. • Cultivated testing, continuous integration, and observability cultures focused on performance and reliability engineering best practices, leading to the development of comprehensive operational health projects and disaster recovery protocols. • Technical lead and manager of progressively enhanced Responsive Web Design projects, significantly improved user experience and engagement—performance enhanced by 50% for subscription users and 30% for mobile users. Managed SEO-focused migrations and enhancements of content, maintaining brand equity.

A Senior DevOps/SRE with a strong background in containerization with a focus on Kubernetes, AWS/Azure, and Cloud/IT Operations. I have 20+ years of real world experience across a variety of industries from across the Video Game/MMORPG, Finance, Security and eCommerce industries. I bring a compliance-first mindset to all my work. I’m skilled in aligning cloud operations with industry standards and frameworks, ensuring security and best practices are met. Currently assisting teams with candidate screening for DevOps roles and optimizing cloud infrastructure for compliance and scalability.

Senior DevOps & Site Reliability Engineer | Cloud Infrastructure | Automation | Tooling Expert I’m a seasoned DevOps and SRE professional with years of experience designing, automating, and scaling resilient infrastructure at enterprise level. Having led engineering initiatives at PayPal and Xoom, I bring a proven track record of delivering secure, high-performing, and cost-efficient platforms for large-scale production environments. 🔹 Core Expertise Cloud Platforms: AWS, GCP, and hybrid environments – architecting scalable, reliable solutions. Kubernetes & Containers: Cluster setup, workload management, deployments, RBAC, ingress controllers, and best practices for production. CI/CD & Automation: Jenkins, GitHub Actions, and pipelines that reduce friction and speed up delivery. Monitoring & Reliability: Building dashboards, defining SLIs/SLOs, and implementing incident response practices. Security & Governance: Tooling governance, access management, and DevSecOps integrations.