Gil Zellner (Vi/Vim) Email & Phone Number

Kfar Yona, Il

Mountain View, Ca, Us

Manager of the Integration lab for Chronicle SOAR, a Google SecOps product, part of Google Cloud.The lab is a developer platform that supports and assists in the development, testing, and integration of 3rd party cyber security products into the Google SecOps ecosystem, increasing value for mutual clients of Google SecOps and other products that join in.We are Working on improving service to our engineers, so that they can provide better service to our clients.Guiding principle:“DevEx is about ruthlessly eliminating barriers that keep your practitioners from being successful”(quote stolen from Jeremy Meiss)Projects I am working on:Backstage Developer portalDataFeeder - AI generated test data with automatic injection to improve testing quality and agility

Unofficial role: Chief Carnivore and PitMaster General

New York, Us

Owner of all things infra, including but not limited to:Visibility, DevEx, FinOps, Uptime, DevSecOps, Shaving Yaks so the rest of the company doesn't have to.Lead our multi cloud and multi region expansion to allow us to overcome GPU capacity issues, we are in 2 regions in AWS, as well as single regions on Azure and GCP.Worked on improving our pipeline performance (time of delivery) from infra side (gcp, aws,azure)Worked on cost reduction and effective usage of available resources like free credits from cloud providers while working around quota limitations (azure,aws,gcp).Main point of contact for cloud providers and SaaS providers.Worked on improving visibility for our developers in a cost effective way using Grafana Cloud.Supported compliance efforts on SOC2 and ISO certifications from the Infra side.Reviewed backend code in Golang and provided guidance to junior developers.Worked on improving our on-site office IT infrastructure to improve the environment for our 3d designers.Worked on improving our CICD processes to be faster, more responsive, and more fault tolerant (Github Actions).Primary superpower: removing cognitive load from Developers so we can move faster.Unofficial role: Chief Carnivore

Tel Aviv, Il

Creator and maintainer: Greyhound-Go, a library to access greyhound resources from Go (gRPC, Kafka, Golang)Owner: Monitoring training for New EngineersCreator and maintainer: Visibility SDK for Golang - SDK to allow easy usage of our monitoring and logging systems in the Golang programming language.Creator and maintainer: SLO Manager V2 - A self service tool for developers to manage SLO's for their applications, this a is a rewrite of an older product which had to be replaced (Golang, MySQL, Prometheus, Grafana)Worked on Sensu to Prometheus migration (Grafana, Chef)Worked on Superlogs - Internal logging solution (Golang, SQS, S3, Clickhouse, Grafana)Co-organizer: Wix Gophers - a group dedicated to the advancement of the Go programming language inside Wix.Co-organizer: Wix Infrastructure Guild - a group dedicated to the advancement of the infrastructure community at Wix.Public speaking evangelist: coach and encourage fellow engineers on speaking at conferences and meetupsCo-Organizer and Center\Forward: Wix Basketball Club

San Francisco, Ca, Us

Improved resiliency by refactoring critical systems into highly available components (Golang, Leader election and session management over Consul)Created Consul-client Wrapper (Golang) to remove boilerplate from using Consul inside out environment.Improved visibility of provisioning process by applying distributed tracing (Golang, Jaeger, OpenTelemetry)Created DNS-Manager: An API for managing DNS (Golang, BIND) which replaced our older Bash scripts.Created GitBags: a GitLab-CI (gitOps) based solution for managing Chef data bags in a more resilient, auditable, verifiable, testable and overall reliable way. (Hackathon project, project lead, 2nd place, based on Itamae)Created Itamae (板前): a Chef server API (Golang) to improve resiliency and ease entity management, as well as lessen the load on the Chef server itself. Created Gashapon(ガシャポン): a self service infra tool (Terraform, Jenkins, Python) to provide basic controlled IaaS functionality to a growing R&D group Created Dotai(導体): a basic terraform config safety verification tool (Jenkins, Python, Slack)Created User expiration management solution (Python, Boto, IAM)Created automated permissions management solution. (Python, Boto, IAM)Created basic containerized python based test automation framework(Python, Jenkins, Docker, Mesos).Consolidated DNS management scripts and improved their resiliency and visibility(ELK, Bash, Graphite).UnOfficial Role: Community and Public speaking evangelist for Platform groupFounder: AppsFlyer Carnivores CommunityCo-Founder: AppsFlyer Basketball Club

Tel Aviv, Il

Honorably Discharged, Rank at Discharge: Chief Sergeant First Class (רס״ר)

Tel Aviv, N/A, Il

One man show position, first purely DevOps role in the company post acquisition.Created production monitoring solutions (InfluxDB,Grafana,Pagerduty) for new services.Converted internal data ingest monitoring from synchronous to async event driven solution (python,boto, SQS, influxdb)Performed Cost analysis and optimization (Netflix-ICE, internally developed tools).Created cloud automation(Jenkins, Python, Boto).Dockerized services to ease deployment (Alpine Linux).Maintained Configuration Management (Ansible)Worked on several infrastructure migrations from outside SaaS into Oracle Data Cloud infrastructure including: - Logz.io to AWS ES- Bitbucket to Gitlab - email alerts to slack.- DockerCloud + Quay.io to Artifactory + Mesos / ECR+ECS- Zabbix to influxdb + grafanaOwner of services (for local team): AWS, Zabbix, Jenkins, PagerDuty.Hackathon Projects:Retro Gaming arcade machine: Play your old favorite retro games (RetroPi, RaspberryPi SBC, Wood, Electronics) 1st place.FridgeBot: Monitor who uses the fridge at the office most often (RaspberryPi SBC with Camera, Python, AWS Rekognition, AWS S3). 1st Place10bisBot: Automates Meal ordering so you never forget to order lunch (Jenkins, Mesos, Twillio, Python) Owner of On-Call trainingOwner and Organizer of Internal Company Hackathons

Herziliyah, Central, Il

Created Scalability testing suite (python) for OpenstackImproved import system reliability in DSL Parser (python)Worked on REST API (python, flask)Added ELB support to AWS Plugin (python, boto)Created Dependency verification tool - verify your python codebase dependencies are version locked.Created dePypi - Tool for deploying Python packages to PyPI with multiple user support and a Pythonic APIWorked on Bash to Python Migration for Cloudify manager deploymentWorked on embedded python packaging (omnibus) for CLI and manager packages (see blog post below)Worked on SDN\NFV implementation for Enterprise scale routers on Openstack and AWS (python, neutron, Boto).

London, England, Gb

Created AMI Bakery (ruby,jenkins,bash) - an automated process to improve autoscaling performance in amazon EC2.Automated Deployment process (ruby,jenkins,bash), was previously done manually,Also changed from in-place to Blue-Green for zero downtime.Created tools (ruby) for managing EC2/Autoscaling/Cloudwatch schedules and alarms.Also worked on: -Continuous Delivery System (Ruby, Jenkins, Chef, Cloudformation) for microservice architecture.-Build Automation for mobile devices

Netanya, Il

Designed and developed (Java) deployment, Implementation and testing tools for Swift-Fin messaging systems. Created FIN Traffic Router for IBM Websphere MQCreated Scripts (Bash,Ant) for deployment, Implementation and testing on Unix and Linux. Designed and created (Java, Bash) migration tools for upgrades. Deployed systems to Amazon elastic computing cloud. Created analysis tools which generate their own queries for Oracle Database.Automated processes using Selenium on Java via Hudson Administered Amazon elastic computing cloud hosted systems. Administered Oracle Database.Performed peer code review and analysisClients: Credit Suisse, Bank of Israel, Mizrahi Tfahot.

Hamilton, New Jersey, Us

Performed installations, implementation, performance analysis, on demand configuration, customizations. Wrote SQL scripts for problem diagnosis, built reports (Crystal Reports) for Business Intelligence, and trained tier 1 administrators. Repaired database issues on Oracle and MS SQL DB's, Apache Tomcat Deployment.Supported product and infrastructure (to administrators) for Information systems serving global user base ranging upto 10000 users per instance in the Pharmaceutical industry.

Haifa, Il

Supervised a digital transformation of services to the student population: We converted many previously manual services to be fully online including billing, event registration, and other office services which at peak reached 15000 users.Lead a team of 5 to build and maintain IT infrastructure for a small organization. Managed development of software and implementation projects, insourced and outsourced. Improvised architecture with extreme financial limitation.

Haifa, Il

Organized, lead, and hired a team of 15 teachers, coordinated classes, set curriculum, defined methodology, and performed professional audit and review.

Represented the Technion to foreign delegations, simultaneously translated lectures, Trained several colleagues in diplomacy and proper etiquette, Escorted VIP's on and off the Technion campus.

Served as MLRS launcher operator, communications operator. Advised and tested in the development of military communications systems (current version is widely known as ZAYAD, C4i)Honorably Discharged, Rank at Discharge: Staff Sergeant (סמ״ר)

Build PC's, review hardware, fix technical problems