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Fabrice Triboix
Verified Expert in Engineering
DevOps Developer
Fabrice is a DevOps engineer with six years of experience with AWS and five years with Kubernetes and Terraform. He is very keen on automation using CI/CD and infrastructure as code and employing the simplest solution to complex problems. He worked for clients such as Cisco, Topps, MyDocSafe, Armedia, HMRC, UK Home Office, and medium-sized companies and startups. Fabrice's greatest joy is to see his work actually being used in production and making a positive impact on his client's business.
Portfolio
Experience
Availability
Preferred Environment
Amazon Web Services (AWS), Kubernetes, Terraform, Ansible, Python, Vault, Docker, GitLab CI/CD, Prometheus, Grafana
The most amazing...
...project I've designed is a secure, highly available, and scalable architecture for HelloChef, running on AWS and Kubernetes, from design to production
Work Experience
Senior DevOps Engineer
Hello Chef
- Wrote a set of Terraform codes to deploy an entire environment based on the design and instructions from the resident DevOps engineer. The codebase is made up of modules for better re-usability.
- Worked on an environment deployed using this codebase comprised of VPC, RDS databases, EKS cluster, Prometheus, Grafana, and ArgoCD apps.
- Ensured the environment could be deployed and updated through CI/CD pipelines on GitHub Actions. Guaranteed security best practices are applied at every level.
- Wrote scripts and utilities related to various works, such as copying and sanitizing data from the production environment to the staging environment.
- Handed my work over back to Hello Chef so they could take ownership of the infrastructure through documentation and handover sessions.
- Collaborated on the project, which is now in the support and maintenance phase, handled mainly by Hello Chef itself.
DevOps Platform Engineer
HMRC
- Deployed and maintained various environments for a tenant of our platform solution, which is based on Amazon EKS, Amazon RDS, Terraform, HashiCorp Vault, GitLab CI, Helm, Prometheus, and Grafana.
- Investigated issues experienced by the tenant and resolve them as appropriate.
- Improved the platform solution itself by investigating and fixing bugs, implementing new features, and updating the documentation.
DevOps Engineer
Home Office
- Took over a major security system with most of it running on Kubernetes.
- Imported code repositories into GitLab and configured CI/CD pipeline on them.
- Enabled automatic exportation of secrets stored in AWS Secrets Manager into Kubernetes secrets.
- Built various Docker images and automated such builds as part of CI/CD pipelines. Deployed various apps into Kubernetes.
Technical Writer
IOD Cloud Technologies Research Ltd.
- Wrote technical articles as a ghostwriter for content marketing.
- Received frequent praise for the quality of the produced articles.
- Produced technical content, from general to step-by-step instructions.
DevOps Engineer
Plural Labs, Inc
- Integrated Vault into Plural in order to allow clients to easily install it on their Kubernetes cluster.
- Investigated how to configure Vault into a high availability configuration.
- Implemented a solution to install Vault in high-availability mode using AWS Secrets Manager to unseal it.
DevOps Engineer
HMRC
- Collaborated with the team, building architectures and making them available to other teams.
- Took charge of short-term tasks related to designing, implementing, and maintaining cloud architectures for various products used within HMRC.
- Involved with tasks for on-premise infrastructure as well.
DevOps Architect
Armedia LLC
- Modernized the architecture of ArkCase, a case management system. The architecture was monolithic, with ArkCase and half a dozen dependent services running on the same server.
- Moved to a modern architecture based on Kubernetes, microservices, and infrastructure as code. Additionally, helped the company build an AWS Marketplace offering for ArkCase.
- Dockerized various services and wrote Helm charts for various services.
- Secured the Kubernetes cluster using network policies and RBAC and installed and configured Istio and observability tools. Built an internal PKI using CloudFormation.
Cloud Architect
Hatchdata
- Refactored Terraform scripts to minimize the update anxiety.
- Advised on the best network architecture involving a Transit Gateway, multiple VPNs, and multiple AWS accounts for a complex flow of IoT data with the right balance between simplicity and efficiency, also being future-proof.
- Set up AWS Client VPN using Terraform with mutual authentication.
DevOps Engineer
SIBOTest
- Performed various system administration tasks, especially related to SSL certificates.
- Dockerized the Ruby on Rails web application in order to facilitate deployments.
- Designed and implemented a MySQL NDB cluster in order to increase the database resiliency.
- Designed a highly available, microservice-based cloud architecture for the SIBOTest website.
DevOps Engineer
MyDocSafe
- Wrote Ansible roles and a playbook to install CloudWatch Agent on EC2 instances and configure Amazon SNS and CloudWatch to notify key people of alarms on EC2 instances.
- Tweaked Apache configuration to stop it from crashing under heavy load.
- Wrote Ansible roles and playbook to create letsencrypt SSL certificates using DNS challenge (including making the subdomain on AWS Route53).
- Installed and configured the ELK stack to monitor Apache logs.
- Designed a highly available and scalable architecture to run a complex workload reliably.
- Progressively migrated the existing system to the new architecture.
- Worked on the new architecture that is now employed in production.
Software Developer
Topps Digital
- Designed, implemented, and tested a back-end microservice in Python 3.6 running on Elastic Beanstalk in AWS.
- Implemented new services based on Flask and SQLAlchemy as part of a microservice architecture consisting of back-ends to mobile applications allowing users to trade virtual cards.
- Wrote extensive unit tests using pytest for a number of microservices.
DevOps Engineer
A Shopping-site Startup in the Middle East
- Designed and implemented workload architecture on AWS suitable for the startup requirements based on Docker and ECS.
- Designed and implemented a complex system to generate and manage SSL certificates for this multi-tenant application.
- Automated workload provisioning using infrastructure-as-code (CloudFormation) such that white labeling would be possible.
Blockchain Specialist
Blocknet
- Inspected C++ code for the BlocknetDX wallet and advised on improvements.
- Designed a protocol for the atomic exchange of bitcoins and ethers, including code for smart contracts.
- Designed a protocol for the atomic exchange of Ethereum colored coins following the ERC-20 standard.
- Advised on the Ethereum side of things for the Blocknet whitepaper: blocknet.co/whitepaper/Blocknet_Whitepaper.pdf.
Senior Software Engineer
G4S
- Added new features to an access control system written in C++11 and Python 3.
DevOps Engineer
Cisco
- Worked as part of the system team—releasing STB software to a major EU broadcaster.
- Helped design and implement a black box STB test framework written in Python.
- Set up and maintained a variety of software tools to enable the smooth running of the continuous integration and development/testing work.
- Set up Coverity static analysis and nightly automation using Jenkins.
- Set up Black Duck open source code matching.
- Configured Nagios and set up of NRPE with custom Git checks.
- Implemented various Cron/Jenkins jobs in Bash/Python to automate tasks.
- Installed and configured a DHCP server.
- Worked within a Scrum process with six weeks iterations, and the team was spread over three countries.
- Worked with a code base with 20 million+ lines of code.
- Detected and responded to system problems.
Release Manager
V-Nova
- Worked on the Perseus-based contribution encoder.
- Acted as the link (release manager) between the development and the product teams.
- Translated high-level business requirements into technical requirements.
- Established timelines and work breakdown structures in collaboration with the development team.
- Reported on the progress on a weekly basis and detected and reported impeding difficulties.
- Devised an Agile process with weekly iterations (based on Scrum).
- Changed the supplier of video cards to a cheaper product with much better support.
- Coded new features; including debugging and fixing of bugs and also integrated a TS muxer.
Senior Software Engineer
Ovation Systems Ltd
- Worked on the next generation of surveillance camera running on ARM9 with embedded Linux.
- Designed and developed the subsystems managing the date/time, mass storage, and multiplexing of the audio (AAC) and video (H.264) into a Flash file (FLV).
- Implemented automated unit-testing for the above subsystems.
Senior Software Engineer
Samsung
- Investigated and analyzed the performance of the OpenGL stack for WebKit.
Lead Software Engineer
e2v
- Worked on a modulator for a radiotherapy cancer treatment machine.
- Worked with a team of 15 people (including five who were under my direct management).
- Developed software that controls the modulator, from requirements to specifications, design, implementation, unit tests, and integration tests.
- Made all the critical decisions: choosing the programming language (C++), software compilation suite, coding standards, and RTOS vs bare metal.
- Defined C++ coding guidelines adapted to this high-integrity software.
- Designed the software architecture, including the structure of a 1 kHz control loop with hard real-time requirements.
- Verified the progress against time estimates and regularly reported to the project manager.
- Demonstrated successfully a proof of concept.
Software Engineer
AB Tools
- Made modifications to the Icecast MP3 server to seamlessly insert audio ads for internet radio.
Software Engineer
Megger
- Worked on the next generation of a portable appliance tester running on Integrity.
- Designed and developed some GUI screens and widgets.
- Designed and developed C++ classes to access SQLite databases; also designed the database schemas.
- Proposed an agile iterative software development process; it was partially adopted.
- Developed a USB printer class driver.
- Developed a Win32 PC application allowing the user to upgrade the PAT SW.
- Developed various device drivers: SPI driver, RTC driver, keyboard driver, and more.
- Made some modifications in U-Boot.
- Developed a .NET PC application to automate the programming of boards.
Software Engineer
Amino
- Performed various jobs on the next generation of IPTV STB, including a CA integration and MPEG Demux driver.
Software Engineer
Imagination Technologies
- Integrated GStreamer to the next generation of digital radios able to play internet audio streams.
- Developed the following: an RTSP/RTP/RDT stack, ASF Demux, Real Media Demux, and a HTTP streaming client.
Software Engineer
NXP Semiconductors
- Upgraded some software drivers from an old STB to a new one running on Linux.
Software Engineer
NDS
- Developed some test tools to test STB drivers that wwere developed by STB manufacturers for the US digital TV market.
Software Engineer
Ezurio
- Developed various software components for a tiny WiFi board.
- Delivered successfully an SW—allowing the demonstration of the smallest WiFi board on the market to a key trade exhibition.
Networking Software Engineer
Sagem
- Wrote for an ADSL modem a Linux Bluetooth API calling VxWorks.
- Developed an ethernet bridge making use of the network processor.
Software Engineer
Philips CE
- Worked on the next generation of high-end Philips Digital TV.
- Integrated the VxWorks USB stack.
- Developed various plug-ins.
Software Engineer
Reuters Financial Software
- Maintained a server providing access services to an Oracle database.
Validation Manager
MBDA
- Managed the validation of a test bench of a missile launching system.
Software Engineer
Philips MP4NET
- Developed a network tool to replicate a distant video session.
- Maintained a video streaming server.
Software Engineer
Alcatel Optronics
- Developed software that was embedded on transmitting laser chips to control the laser's wavelength.
Software Engineer
Sagem
- Developed various software modules embedded on military vehicles and planes.
Experience
Migrating Services from Physical Servers to AWS
I proposed the Terraform as Infrastructure-as-Code tool and built the environments from the ground up, adding each service in turn. Services were either Node-based application or static websites. The Node apps were run as Fargate ECS clusters. I also helped with the Dockerization process. Static websites were run as S3 buckets fronted with CloudFront distributions.
Continuous Deployment was performed with CircleCI. I updated the CircleCI scripts to deploy the services to AWS instead of the physical servers.
ThinkAlpha had some additional requirements in terms of networking, and needed VPNs and Direct Connect to link services. To ease the hand over of the infrastructure to ThinkAlpha, I generated templates from the two types of services and documented how to create new services and update the infrastructure for the various environments.
Modernizing a Web Infrastructure
http://sibotest.com/I proposed an overhaul of the internal structure of the web app to use microservices based on Docker so that the architecture would be robust and scalable.
Work Done:
· Introduced load balancers with SSL termination.
· Separated the production and staging environments.
· Moved the MySQL databases to a separate subnet, using MySQL NDB Cluster.
· Dockerized their Ruby on Rails application.
· Set up a continuous-integration system based on Jenkins to automatically build the Docker images.
· Wrote Ansible scripts to automate the provisioning of new servers and deployment of the docker images.
· Ensured the air-tight security of the overall infrastructure.
In the end, this multitier architecture was working very nicely, with no reported downtime.
Highly Available and Scalable Architecture Design on AWS
https://mydocsafe.comWork done:
• Wrote Ansible roles and playbook to install CloudWatch Agent on EC2 instances and configure Amazon SNS and CloudWatch to notify key people of alarms on EC2 instances.
• Tweaked Apache configuration to stop it from crashing under heavy load.
• Wrote Ansible roles and playbook to create Let's Encrypt SSL certificates using DNS challenge, including creating the subdomain on Amazon Route53.
• Installed and configured ELK stack to monitor Apache logs.
• Designed a highly available and scalable architecture to run a complex workload reliably.
• Progressively migrated the existing system to the new architecture.
• Employed the new architecture in production.
Set up of CI/CD Pipelines for a Startup
Work Done:
· Set up a GitLab pipeline to build and deploy an app to AWS using Terraform and Ansible.
· Set up a GitLab pipeline to build and deploy an app to a Kubernetes cluster hosted on the Google Cloud Platform.
· Set up a GitLab pipeline to build and deploy an app to a Kubernetes cluster hosted on AWS EKS.
Cisco | DevOps Engineering and Python Development
Work Done:
· Set up and maintained a variety of software tools to enable the smooth running of the continuous integration process.
· Set up the Coverity static analysis and enabled nightly automation using Jenkins
· Set up BlackDuck open-source code matching.
· Configured Nagios and set up an NRPE with custom Git checks.
· Set up various Cron/Jenkins jobs with Bash/Python to automate tasks.
· Worked in a Scrum process with three-week iterations with a team spread over three countries.
· Worked with a codebase of 20 million+ lines of code.
· Detected and responded to the system problems.
Technologies: Linux, CentOS, Coverity, Jenkins, Black Duck, Continuous Integration, Scrum, Bash, Python, iptables/Netfilter, Nmap, Git, Rally
DevOps Architect
Tasks:
- Move from a monolithic architecture to a microservice-based architecture
- Dockerize various services
- Write Helm charts
- Secure the Kubernetes cluster using network policies and RBAC
- Install and configure Istio to encrypt internal traffic and facilitate distributed tracing
- Install and configure observability tools: Loki for log aggregation, Prometheus and Grafana
- Write CloudFormation templates to set up the infrastructure on AWS
- Write Lambda functions in Python as CloudFormation custom resources or for admin tasks such as rotating secrets with the SecretsManager
- Modify existing Ansible roles and playbooks
- Build an internal PKI using IaC on AWS using only serverless services; certificates are renewed automatically when they expire and when CA certificates are renewed themselves.
Skills
Languages
Bash Script, Python, Python 3, Bash, C, Embedded C, C++11, MIPS, UML, XML, C#, C++, SQL
Tools
Let's Encrypt, Terraform, GitLab CI/CD, Ansible, Amazon CloudWatch, Amazon Virtual Private Cloud (VPC), AWS CLI, Helm, Git, NGINX, AWS CloudFormation, Amazon Elastic Container Service (Amazon ECS), AWS IAM, AWS Systems Manager, GitLab, Bitbucket, GitHub, Istio, Vault, Amazon EKS, OpenVPN, DBus, Coverity, BlackDuck Protex, NMap, Rally, VMware vSphere, Logstash, Kibana, Subversion (SVN), Redmine, DOORS, Visual Studio, Microsoft Project, U-Boot, Continuum, TIBCO Rendezvous, CVS, RPM, SHOUTcast, Pytest, VPN, ELK (Elastic Stack), Jenkins, Grafana, Jira, Confluence, Postman, VMware, CircleCI, GIS
Paradigms
Continuous Integration (CI), DevOps, Continuous Delivery (CD), Continuous Deployment, Scalable Application, Microservices, Scrum, Agile, Design Patterns, DevSecOps
Platforms
Docker, Amazon Web Services (AWS), Linux, Amazon EC2, Kubernetes, Ubuntu, Blockchain, AWS ALB, CentOS, Kernel, Embedded Linux, VxWorks, BeagleBone Black, Oracle, Solaris, MS-DOS, Ethereum, DigitalOcean, AWS Elastic Beanstalk, AWS Lambda, Drone CI, Unix
Other
HTTP, Transmission Control Protocol (TCP), UDP, Shell Scripting, SSL, TCP/IP, Infrastructure as Code (IaC), AWS Secrets Manager, Amazon RDS, AWS Certified Solution Architect, Architecture, CI/CD Pipelines, Containers, AWS DevOps, Cloud Infrastructure, Configuration Management, Cloud Architecture, Security, Solution Architecture, Scalable Web Services, Web Scalability, Prometheus, Autoscaling, Loki, Technical Writing, Elastic Load Balancers, Networking, Multitenancy, Linux Administration, System Administration, Monitoring, Web Hosting, Iptables, VMware ESXi, H.264, ARM, WebKit, Linux Kernel, Ethernet, Software Architecture, DSP, I2C, Serial Peripheral Interface (SPI), RS-232, Code Composer Studio, Icecast, MP3, AAC, Systems, USB, IPTV, RTSP, RTP, RTCP, MPLAB, Oscilloscopes & Tester Equipment, Windows Media Audio (WMA), PVCS, JTAG, WiFi, Smart Contracts, Bitcoin, AWS Transit Gateway, MPEG, Observation, Direct Connect (DC), Border Gateway Protocol (BGP), Amazon EventBridge, Karpenter, Argo CD, GitOps, Algorithms, Data Structures, Release Management
Storage
MySQL, Amazon S3 (AWS S3), Elasticsearch, SQLite, Microsoft SQL Server, PostgreSQL
Frameworks
Netfilter, Boost, ASM, .NET, GStreamer, Ruby on Rails (RoR), Flask
Libraries/APIs
Standard Template Library (STL), OpenGL, GLib, Flask-Marshmallow, SQLAlchemy, Jenkins Pipeline, OpenID, ArcGIS
Industry Expertise
Project Management
Education
Master of Science Degree in Computer Sciences Applied to Earth Sciences
Pierre and Marie Curie University - Paris, France
Certifications
Certified Kubernetes Security Specialist
Linux Foundation
Certified Kubernetes Administrator
The Linux Foundation
Certified Kubernetes Application Developer
The Linux Foundation
AWS Certified DevOps Engineer Professional
AWS
AWS Certified SysOps Administrator Associate
AWS
AWS Certified Developer Associate
AWS
AWS Certified Solutions Architect Associate
AWS
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