Mahmoud Elkassry
Cairo
Summary
I am a dedicated and experienced DevOps Engineer with expertise in infrastructure, network security, and software development. Currently serving as a DevOps Lead, I have a proven track record in designing, implementing, and managing cutting-edge DevOps solutions, both in the cloud and on-premises. My proficiency spans across industry-leading technologies such as Azure, AWS, Kubernetes, and Docker.
As a skilled DevOps leader, I excel in infrastructure management and team leadership, ensuring secure, scalable, and efficient systems. I have led critical initiatives like Linux hardening, CI/CD pipeline architecture, and the design of a highly available MongoDB setup, optimizing performance and reliability. I'm also well-versed in managing production Kubernetes environments, ensuring high availability and security across cloud and on-premises deployments.
I spearheaded the development of a cost-efficient, secure hybrid microservices setup across on-premises infrastructure, AWS, and Azure, leveraging technologies like AWS ECS, Azure App Services, and MongoDB Atlas. I implemented robust security measures, including Site-to-Site VPNs and IPSEC tunnels, ensuring top-tier data protection. My efforts in fostering a full DevOps culture and automating deployments reduced production time to 10-20 minutes and cut down rollback time to just 3-5 minutes.
My expertise in infrastructure, cloud solutions, and DevOps practices makes me a valuable asset to any organization seeking innovation, security, and performance optimization in their DevOps and infrastructure operations.
Overview
7
7
years of professional experience
Work History
DevOps Lead Engineer
Octane
Cairo
11.2022 - Current
- CI/CD Implementation and DevOps Workflows: Led the development and implementation of CI/CD pipelines and DevOps workflows, which significantly enhanced the stability, scalability, and performance of Octane's backend systems and web applications.
- Cloud Infrastructure Design: Designed and implemented a robust, resilient, and secure cloud setup, ensuring the infrastructure met high standards for availability and security. This design has been crucial in Octane’s progress toward ISO 27001 certification.
- Solution Architecture Leadership: In addition to my DevOps responsibilities, I led all technical activities as the Solution Architect, overseeing the entire system architecture to ensure seamless integration of solutions, efficient resource management, and alignment with the company's strategic goals.
- ISO 27001 Compliance Roadmap: Guided Octane toward ISO 27001 compliance by ensuring security best practices in cloud infrastructure and workflows, laying the foundation for achieving industry-recognized certification.
DevOps Lead
Klivvr
Cairo
09.2022 - Current
- Infrastructure Leadership: Proven track record in leading DevOps and infrastructure teams, driving initiatives that enhance operational efficiency, security, and scalability.
- Security & Compliance: Spearheaded Linux hardening initiatives, managed regular patching schedules, and implemented security best practices to ensure compliance and secure system environments.
- CI/CD Architecture: Architected and implemented robust CI/CD pipelines for both cloud and on-premises environments, significantly streamlining development and deployment processes, reducing time to production.
- Database Management: Designed and deployed a highly available, scalable, and secure on-premises MongoDB setup, optimizing for both performance and reliability to meet enterprise-level demands.
- Kubernetes Expertise: Expert in Kubernetes management, orchestrating production-grade applications both on-premises and in the cloud. Ensured high availability, scalability, and security of containerized workloads.
- Cross-functional Collaboration: Adept at aligning DevOps practices with broader business objectives through close cross-functional collaboration, contributing to improved operational efficiency and system resilience.
- Hybrid Multi-cloud Architecture (Klivvr): Designed and implemented a cost-efficient, secure, and highly scalable hybrid microservices architecture across on-premises infrastructure, AWS, and Azure. Utilized a combination of serverless and IaaS services, including Kubernetes, AWS ECS, Azure App Services, RDS, and MongoDB Atlas, to eliminate performance bottlenecks and ensure high availability.
- Team Leadership & Development: Successfully led both the DevOps and NOC/SRE teams, establishing roadmaps, KPIs, and personal development plans. This effort resulted in a 50% reduction in production downtime over the course of 2023.
- DevOps Transformation: Led a complete DevOps culture shift, automating deployments and eliminating 100% of manual processes. Reduced time to production from hours to 10-20 minutes, and decreased rollback time to 3-5 minutes.
- Security Leadership: Directed the design and implementation of security controls for both Azure and AWS environments, adhering to industry best practices and standards recommended by the organization's information security entity.
Sr. DevOps Engineer
RAKT
Dubai
09.2023 - 09.2024
- As a solo DevOps Engineer at RAKT, an integrated Shopify app, I spearheaded initiatives to enhance system resilience during peak hours while optimizing costs
- Utilizing technologies such as Kubernetes HPAs for autoscaling and Prometheus custom metrics, alongside Redis RQs, I ensured application availability and scalability
- Leveraging my expertise in Kubernetes, AWS, and GitHub Actions, I achieved a remarkable 99.95% availability rate, solidifying my mastery of these platforms in a demanding production environment
Part time Sr. DevOps Engineer
SAQAYA
London
09.2023 - 09.2024
- Outsourced as a DevOps engineer at Premier league club Brentford FC, I was responsible for building and managing the whole Infrastructure and CI/CD workflow For Brentford's new Data processing application On Azure, Using Open AI and cognitive search technologies hosted on Azure's containers app service and SQL databases
Part time DevOps Engineer
Nexta
Cairo
03.2022 - 09.2022
- Managed to design and implement an on premises setup using IaaS for Nexta's backend application and queuing system using technologies like Docker swarm, Azure Stack and RabbitMQ as well as full infrastructure administration and patching to ensure information security compliance
- Designed and Implemented a full CI/CD workflow for all the development Entities (Mobile and back-end), which reduced the time to production by at least 60-70%
DevOps Engineer
Valeo
Cairo
05.2021 - 09.2022
- Was one of two DevOps engineers who designed and implemented a CI generic framework to serve all the development projects developed by Valeo on plug and play basis
- Managed to migrate More than 50% of Valeo's Infrastructure from Cairo to AWS in Two months, leading the activity as a Delivery manager
- Managed to onboard and adapt more than 700 Valeo projects to the framework designed and implemented by us
- Leaded and implemented Valeo's development tools and compilers' containerization working towards a full DevOps culture and managed to containerize all the major Compilers, static analysis and Unit tests tools which ensured development and environment consistency for all teams
- Designed a full CI/CD workflow to be integrated with Valeo's Cloud IDE to work as a full secure development system in order to make the organization a remote-first organization
IOS Software Engineer
Robusta Studio
Cairo
05.2018 - 05.2021
- Working as an iOS software engineer using the native iOS SDK and Swift was one of my favorite yet challenging positions which gave me an eye to the details and experience over the whole software development life cycle working on iOS apps for big local tech names like Fawry
Education
Halmstad University
Bachelor of Engineering -
Ain Shams University
Skills
- Github
- Amazon Web Services
- RabbitMQ
- IPSec Tunnels
- Workflows
- Management
- Kubernetes
- Security Controls
- MongoDB
- Compilers
- Swift (Programming Language)
- Network Security
- Tunnels
- Linux
- Docker (Software)
- Solution Architecture
- Software Development
- Jenkins
- Docker Swarm
- Data Security
- Containerization
- Infrastructure
- DevOps
- Progress OpenEdge (IDE)
- IOS SDK
- App Store (IOS)
- Prometheus (Software)
- Grafana
Languages
English
Timeline
Sr. DevOps Engineer
RAKT
09.2023 - 09.2024
Part time Sr. DevOps Engineer
SAQAYA
09.2023 - 09.2024
DevOps Lead Engineer
Octane
11.2022 - Current
DevOps Lead
Klivvr
09.2022 - Current
Part time DevOps Engineer
Nexta
03.2022 - 09.2022
DevOps Engineer
Valeo
05.2021 - 09.2022
IOS Software Engineer
Robusta Studio
05.2018 - 05.2021
Halmstad University
Bachelor of Engineering -
Ain Shams University
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