John Ojabo

Experience

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  New Vision Institute of Technology (NVIT)

  Jan 2023 - Apr 2023

  DevOps Intern
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  FRESCA FARMS TECHNOLOGY

  Aug 2023 - Sept 2023

  Senior Kubernetes Administrator

  At Fresca Farms, I spearheaded the development and deployment of organization's web application, ensuring scalability, security, and reliability.Key Accomplishments:⨀ Built and Containerized Complex Web Applications: Designed and containerized an intricate web application following industry best practices, resulting in a 50% reduction in deployment time and a 40% improvement in application performance.⨀ Set Up Highly Scalable and Reliable Infrastructure: Engineered a scalable and reliable infrastructure for deploying web apps on AWS Cloud, increasing system availability to 99.9% and enabling the infrastructure to handle a 200% increase in user traffic seamlessly.⨀ Established a Secure Kubernetes Cluster: Configured and secured a Kubernetes cluster for deploying containerized web applications, enhancing security protocols and achieving a 30% reduction in vulnerability risks while optimizing resource allocation.⨀ Configured and Maintained Delicate Cloud Infrastructures: Managed and maintained sensitive cloud infrastructures, ensuring 100% uptime and compliance with industry standards for data security and operational efficiency. Show less

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  New Vision Institute of Technology (NVIT)

  Aug 2023 - May 2024

  DevOps Engineer

  As a DevOps Instructor at New Vision Institute of Technology, I delivered comprehensive training programs in DevOps, both remotely and onsite, to a diverse group of learners, including students from across the globe, helping to bridge the skills gap in a rapidly evolving industry.Key Responsibilities:⨀ Course Development: Designed and developed a robust curriculum covering key DevOps concepts, tools, and practices, ensuring alignment with industry standards, and achieving a 95% satisfaction rate among students.⨀ Instruction Delivery: Conducted engaging and interactive training sessions, leveraging various teaching methodologies to cater to different learning styles, resulting in a 30% increase in student engagement and retention.⨀ Remote and Onsite Training: Provided flexible training options, accommodating both remote learners and onsite students, ensuring accessibility and convenience for over 100 students across different continents.⨀ Practical Hands-on Experience: Facilitated hands-on labs and real-world projects, enabling students to apply theoretical knowledge to practical scenarios.⨀ Student Support: Offered personalized support and mentorship to students, helping them overcome challenges and achieve their learning goals, with 80% of students reporting significant progress and career advancement post-training.⨀ Global Reach: Successfully trained a diverse student base from various continents, enhancing their skills and preparing them for careers in DevOps, with a 20% increase in certifications earned by students.This role highlights my expertise in DevOps and my dedication to educating and empowering the next generation of DevOps professionals, contributing to the career success of students worldwide. Show less

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  Upwork

  Aug 2023 - now

  Freelance DevOps Engineer
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  CoinXposure

  Dec 2023 - May 2024

  Cloud Migration Consultant

  ⨀ Led the successful migration of a high-traffic website from a traditional hosting provider to Google Cloud, improving scalability by 50%, performance by 30%, and reliability by 25%.⨀ Created a CloudSQL instance on Google Cloud to host the site’s database, implementing a managed and scalable solution that reduced database latency by 40% while adhering to best practices.⨀ Provisioned a Google VM optimized for the web application’s resource needs, resulting in a 35% increase in response times and enabling the site to handle 2x more traffic seamlessly.⨀ Seamlessly migrated the site’s database to CloudSQL with zero downtime, maintaining 100% data integrity and ensuring uninterrupted service for over 10,000 daily active users.⨀ Established a secure, efficient connection between the Google VM and CloudSQL instance, enhancing security by 25% and improving data transfer speeds by 20%.⨀ Configured the Apache web server on the Google VM, optimizing performance and security settings, which improved page load times by 30% and reduced server vulnerabilities by 40%.⨀ Implemented SSL encryption, installing an SSL certificate to secure user data and communications, leading to a 50% increase in user trust and a 15% reduction in bounce rates.⨀ Conducted thorough testing and validation post-migration, ensuring the site’s functionality and performance exceeded expectations, resulting in a 20% improvement in overall user experience and a 15% increase in customer satisfaction. Show less

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  KeenChess

  Dec 2023 - now

  Senior DevOps Engineer

  ⨀ Led the successful deployment of the KeenChess web application and its supporting infrastructure, ensuring a seamless launch and achieving 99.9% uptime in the first six months.⨀ Implemented a robust CI/CD pipeline using Google Cloud Build, automating the build, push, and deployment processes, which reduced manual intervention by 80% and accelerated deployment frequency by 50%.⨀ Collaborated closely with the development team in the design, development, and deployment of the KeenChess platform and its associated services, resulting in a 25% increase in user engagement within the first quarter.⨀ Conducted extensive performance optimizations, enhancing the responsiveness and efficiency of the frontend application by 40%, leading to a 20% improvement in user satisfaction. Show less

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  NotJustEvent

  Dec 2023 - now

  DevOps Engineer

  ⨀ Migrated Applications from GCP to Azure: Successfully transitioned applications and services from Google Cloud Platform (GCP) to Azure, ensuring a smooth migration with zero downtime and improving application performance by 35%.⨀ Reduced operational expenses by utilizing Azure Storage for static site hosting, leading to an overall cost savings of $20,000 annually.⨀ Re-architected the application deployment process and migrated services to Google Kubernetes Engine (GKE), increasing resiliency by 99.5% and reducing downtime by 40%.⨀ Designed, implemented, and managed the organization’s infrastructure using Terraform, improving resource visibility by 80% and streamlining the management of multiple resources, including GKE clusters, Cloud Build triggers, and artifact registries e.t.c.⨀ Collaborated with a cross-functional team of 3 DevOps engineers, the head of engineering, and 5 software engineers in the design, development, and deployment of the NotJustEvent platform and its associated services, resulting in a 30% increase in deployment efficiency.⨀ Managed and secured sensitive information by handling Kubernetes secrets and environment variables with 100% accuracy using Google Secret Manager, ensuring zero data breaches or unauthorized access.⨀ Facilitated effective communication among team members to ensure a smooth transition and comprehensive understanding of the new deployment process, leading to a 20% reduction in deployment-related incidents.⨀ Authored comprehensive documentation on deployment processes and organizational infrastructure, improving onboarding efficiency by 50% and providing clear guidance for future projects. Show less

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  Salahuddin Ayyubi Foundation

  May 2024 - May 2024

  Cloud Migration Consultant

  ⨀ Successfully migrated the Salahuddin Ayyubi Foundation’s website, supporting an asset valued at over $200,000, and email services from Hostinger to Amazon Web Services (AWS), significantly improving reliability, and scalability.Key Responsibilities:⨀ Provided comprehensive post-migration support, resolving any issues promptly and ensuring the client's satisfaction with the new AWS setup, resulting in a 100% satisfaction rating.⨀ Expertly exported the existing WordPress website from Hostinger and deployed it on AWS Lightsail, configuring necessary services and settings to ensure a smooth, secure, and efficient operation, reducing page load time by 50%.⨀ Implemented SSL certificates to enhance website security, ensuring encrypted data transmission and compliance with industry standards.⨀ Seamlessly transitioned all email accounts from Hostinger to AWS WorkMail, ensuring uninterrupted email service and improved email management, which boosted communication efficiency by 40%.⨀ Updated and managed DNS settings to facilitate a smooth migration with minimal downtime, achieving a 99.9% uptime during the transition and maintaining consistent user access. Show less

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  PGW Auto Glass

  Jul 2024 - Aug 2024

  IT Support Specialist
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  Google

  Oct 2024 - Oct 2024

  Site Reliability Engineer

  • Maintain the reliability, scalability, and availability of AlloyDB, ensuring smooth database operations• Participate in on-call rotations, handling production incidents, and identifying root causes.• Worked closely with various teams to define and meet SLIs and SLOs, consistently achieving above 95% adherence to service level objectives, enhancing customer trust in service reliability.• Monitored key performance metrics, such as latency, throughput, and resource utilization, identifying and resolving bottlenecks • Introduced parallelism in data collection and reporting, which reduced the reporting cycle by over 50%, meeting AlloyDB’s ‘Minimum Lag Alerting’ requirements.• Recommended scalability improvements to support up to 3x the current metric volume, preparing the system for future demands without compromising performance.• Outlined approaches to maintain a 1-minute reporting frequency under task failures or increased data loads, ensuring continuous monitoring without data gaps. Show less