Tomer Cohen Email and Phone Number

Lead cloud architecture in the company.Coordinate the development of scalable architecture to support applications and infrastructure on cloud platforms.Lead the evaluation process to select, implement, and maintain the best cloud solutions for the organization.Guide requirements gathering activities with stakeholders and vendors.Design and management of cloud systems, policies, and strategy.Maintain up-to-date, extensive, and deep knowledge of cloud products, technology, and best practices.Responsible for cloud hosting cost.Establish standards, controls, and processes to monitor and optimize cloud infrastructure cost.Ensure that project/department milestones/goals are met and adhering to approved budgets.Work closely with the finance team.Responsible for cloud security and compliance.Ensure that security management and privacy requirements are incorporated into cloud infrastructure and applications.Reply to customers’ security questionnaires.Prepare the cloud environment, policies and evidence for ISO-27001 and SOC2 Type II audits.

Principal engineer.60% hands-on development work, while leading a team of personnels located in Israel and in Ukraine.Prepare annual budget plans for the platform team.Design and implement team policies, goals, objectives and procedures.Conduct annual and quarter plannings, considering the company’s OKRs.Plan and coordinate team’s work with other teams.Responsible for bringing the product’s system and infrastructure from startup level to enterprise grade.Introduce and design product improvements, based on top notch technologies and tools.Design automation procedures to improve development velocity.Design and implement big-data solutions to support company needs.Cloud cost optimizations.Ongoing monitoring, review and act accordingly.Successfully reduced 30% of cloud hosting cost.Work under high pressure and orchestrate fast-changing requirements and priorities.

Managed production and development environments over AWS using terraform, python and ansible.Handled ongoing monitoring and troubleshoot failures in production.Led migration project from OVH cloud (on-premise servers) to AWS.Designed and provisioned new separate infrastructure from scratch for a new product (MarketView) - VPC, EKS, API GateWay.Improved our Kubernetes clusters using best practices like secondary CIDR for pods, monitoring auto-discovery, and Helm.Led POCs in cooperation with companies including Snyk, LightRun, WhiteSource, Rapydo, Coralogix, Harness, DataDog, env0. Designed and implemented CI/CD pipelines for Kubernetes services, S3 static websites, and python libraries.Kubernetes tech lead in the R&D department.Automations: replay SQS messages from DLQ (while changing message attributes); auto-update k8s external (dynamic) IPs list for customers to whitelist them.Implemented backup procedures using AWS Lambda and HashiCorp Packer (to create AMIs).Administered various Linux servers running nexus, jenkins, consul, and graylog.Worked closely with development teams to better understand their requirements and needs.Participated in recruitment, onboarding, and mentoring of new team members.

Designed, implemented and managed the product’s infrastructure over AWS and Azure clouds to handle 40,000 TPS.Was responsible for dev, test, staging and production environments over AWS and Azure.Wrote AWS Cloudformation stacks for resources management on AWS (EKS, Lambda, S3, VPC, EC2, DocumentDB).Automated infrastructure and microservices deployment on AWS and Azure.Owned the root account on AWS - fully responsible for managing users and resources.Monitored and fixed vulnerabilities and compliance issues discovered in the product’s infrastructure.Built scalable application on k8s to run up to 1000 containers using Azure AKS and ScaleSets for AT&T’s android applications testing.Python, Node and bash development over Linux and kubernetes.Implemented various DevOps tools (helm, skaffold, nexus) and guided developers to use them.Designed and wrote Jenkins pipeline scripts for CI/CD, integrated pipeline with Fortify, Sonar, Veracode and SeaLights.Created Docker images with android (6.0 to 8.1) emulators.

FE (Angular based) & BE (Django based) development over Rocket, Kubernetes and Vagrant.Python, Java 8 and NodeJS development over Linux.Designed and implemented automation infrastructure, Django and Selenium based, with emphasis on low running times.API development with Slack for signaling automation results on staging environment.Developed an Open-Source project with the Linux Foundation.Full automation coverage (100%) – integration, system, functional, E2E, DB, and API testing.Full CI/CD after pushing code to ‘master’ – running automation in staging and deployment to production.Worked independently with the product manager in the USA.Experienced with Built-in-Quality method and developed with TDD method.

Was responsible for CI/CD flows – implemented Jenkins and Bash based infrastructure, including maintenance and triggering.Automation (90%) and manual (10%) testing – integration, system, functional, E2E, DB, and API testing.Expanded coverage of an existing automation infrastructure while reducing running times.Executed and analyzed automated tests – integration, DB, API, and GUI.Installed developed products in the integration environment, executed automation and approved installation of new releases.Studied, executed, and analyzed performance and load testing systems.Wrote test documents, reported bugs, and managed tasks with GitHub, Jira, and Asana.Interface with overseas teams in the USA, Italy, France, Belgium, and India.

Installed, administered, and handled ongoing management of complex server farms.Deployed and configured Active Directory and Exchange services, including backup management.Designed, deployed, and operated virtualized servers (VMware based).Extensive knowledge and experience with 3rd-party network and storage solutions including NetApp and Cisco.Designed and set-up remote network sites (Routers, Switches) over STM1 and E1 infrastructures.Created study programs and tests for new soldiers on the team.