Kirimi Gitonga

Experience

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  ICTA

  Jul 2016 - Sept 2016

  IT Intern(Computer Networking)

  - Preforming maintenance tasks on the various core sites on the GCCN network. This included system failure recovery on Cisco 7606 router chassis. Maintenance tasks i.e. on multiple occasions upgraded IOS images on routers, solved ROMMON issues, replaced failed line cards.- Trusted to do configurations on user access/ edge on the Treasury campus e.g. Creation and assignment of VLANs to users, inter-VLAN routing, port-security, spanning-tree, monitoring and user level support.- Cisco Jabber deployment, migration of user across various GCCN sites on Cisco routers and Switching platforms.- Learnt about service provider concepts such as using VRFs, MPLS concepts such as roles of P, PE and CE routers and label-based switching. Show less

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  Kenswitch Limited

  Feb 2019 - Jul 2019

  IT Support/ATM Card Production Intern

  - Task With producing secure cards to customers.- Documenting daily and monthly reports and dispatching them to the customer service managers and customer support analysts.- Handling customer support calls, taking ownership and ensuring the calls are documented to closure.- Ensuring user application access and improved user experience.

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  Whizlabs

  Aug 2019 - Mar 2021

  Remote Customer Support Engineer/Moderator

  - Solving customer queries for AWS solutions architect associate exam, Cloud Practitioner and Sysops administrator.

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  BuuPass

  Dec 2019 - Aug 2020

  Full Time Cloud Consultant|Linux|Devops

  - Configure auto-scaling groups on loosely coupled applications, creating lifecycle hooks and choosing best metrics to help increase elasticity on the applications.- AWS organizations set up. Multi-account architecture to help isolate different applications and enforce access through IAM roles.- Creating custom SSM automation documents to help pre-bake the AMI for certain applications.- Generating the architectures of different applications if needed by the technology lead.- Configuring billing alarms and enhancing Cost optimized cloud environments.- Resizing the EBS volume sizes when they get full.- Point of contact with AWS cloud engineers and representatives.- Helping enforce the Git Workflow.- Cost optimization of our AWS cloud environment.- Creating cloudwatch events(eventbridge automations) by defining custom event patterns.- Helping create pipelines using AWS developer tools codecommit, codebuild, codedeploy and codepipeline.- Migrating from T2 to T3(new generation) by ensuring i test that the instances meet all the prerequisites.- Creating IAM users and enforcing the principle of least privilege.- Creating S3 lifecycle policies, s3 being a core-enabler service.- Blog hosting AWS lightsails.- Hosting websites, configuring apache or nginx web servers.- Configuring application load balancer.- Pushing metrics of servers in the Digital Ocean to Cloudwatch and monitoring instances in AWS using Unified Cloud Agents.- Helping to loosely couple the applications, where they could have two tiers, the Db tier and Web tier.- Security hardening of the EC2 instances. By making sure the ports are not open to everyone.This is emphasized on using Session Manager where you do not need to open port 22.Configured network access lists.- Configured VPC peering to ensure communication between different VPCs.- Help provision RDS instances and enforce connection to the applications in the instances. Show less

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  BuuPass

  Oct 2020 - May 2021

  Full Time Cloud Consultant|LInux|Devops

  - Ensuring Server Uptime- Implementing security measures on the Linux EC2 instances- Building production CICD pipelines- Optimization and continuous improvement of our architecture.

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  Stanbic Bank Kenya

  Apr 2021 - May 2022

  Cloud/Devops Engineer

  • Design cloud infrastructure that is secure, scalable, and highly available on AWS.• Work collaboratively with software engineering to define infrastructure and deployment requirements• Provision, configure and maintain AWS cloud infrastructure defined as code• Ensure configuration and compliance with configuration management tools• Administer and troubleshoot Linux based systems• Troubleshoot problems across a wide array of services and functional areas• Build and maintain operational tools for deployment, monitoring, and analysis of AWS infrastructure and systems• Perform infrastructure cost analysis and optimization. Show less

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  Tezza Business Solutions Ltd

  Apr 2021 - May 2022

  Cloud Devops engineer

  Contractor Stanbic Bank

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  Toqio

  May 2022 - now

  DevOps/Infra Engineer

  - Setting up tools and required infrastructure- Monitoring the processes during the entire lifecycle for its adherence and updating or creating new processes for improvement- Encouraging and building automated processes wherever possible- Incidence management and root cause analysis- Coordination and communication within the team and with delivery team- Maintaining good security posture of our environments by continuous recommendations and improvements- working with software developers and software engineers to ensure that development follows established processes and works as intended Show less