Karol Czeryna work email
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Karol Czeryna personal email
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I've been tinkering with Linux since I was 14 and have been hooked on engineering ever since. I love learning new things and am always looking for ways to improve my skills. I'm honest and helpful, so feel free to contact me if you need any assistance.I'm a bit of a lazy engineer but in a good way! I love automating things, so I can spend more time doing the things I enjoy. They say a good sysadmin does nothing but watch their screen, and I agree that automation is the way to go!If you want to chat, just shoot me an email. I'm not big on answering unknown calls, but I'm happy to coordinate a time to have a phone call.
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Senior Site Reliability EngineerSignal Ai Jun 2023 - PresentLondon, England, Gb -
Cloud EngineerKaizen Ticketing Apr 2019 - PresentLondon, England, GbI'm helping Kaizen Ticketing with their Google Cloud infrastructure.I was responsible for:* Migrating C# monolith application from AWS EC2 into GCP GKE.* Creating QA & Prod Kubernetes clusters and environments using GCP best practices.* Creating GitHub Actions Machine on GCP used for building our C# app (25 minutes build time was reduced to 7-9 minutes with cost reduction of around 60%). Complete CI/CD with tests and QA deployment with manual action to deploy to Prod.* Costs optimisations on GCP.* Maintenance of GCP and GKE.Since new infrastructure has been deployed in 2019 there were no downtimes (caused by cluster or misconfiguration). Developers were trained how to use cluster. -
Director / Cloud ConsultantEdot Ltd 2009 - PresentDevOps consulting services.Working on-site with the clients. -
Devops EngineerEpsy Health Jan 2021 - Nov 2022London, England, Gb -
Devops EngineerCogniflare Aug 2020 - Jan 2021London, London, GbWorking for the GlaxoSmithKline (GSK)* Azure Cloud* ARM Templates* Azure DevOps* Planning & Architecting -
Senior Devops EngineerLifeworks Nov 2019 - May 2020Toronto, Ontario, Ca~ AWS Infrastructure ~Terraform v0.11 & v0.12MongoDB (backups, replication, reports)ECS / DockerAnsibleServerless (Framework) & LambdaKMSDatadogSonarCloud -
Devops EngineerDaye Jul 2019 - Nov 2019Southwark, London, London, GbDevOps / Python Backend DeveloperWorking on Google Cloud ClusterDeployment & configuration of Staging & Prod Kubernetes (Terraform) + Cloud Run (Knative/Istio)CI/CD using Cloud Build (+ GitHub) Developed backend apps using Flask + PostgreSQL + Firebase (Python 3.7) -
Devops Engineer (Aws)Ministry Of Justice Uk Sep 2018 - May 2019London, Gb@ LAA* CloudFormation for IaaC* Providing support for LAA apps / infrastructure* Tuning, improvements, deployments on AWS (Using AWS native services) -
Devops Engineer (Azure)Ministry Of Justice Uk Mar 2017 - Sep 2018London, Gb@ HMCTSDuring my time at HMCTS I've been involved in couple of internal projects, including:* Migration of JIRA and Confluence from Atlassian Cloud into Azure On-Premise (HA)* Architecting and deploying PgSQL clusters used by internal services (HA)* Zabbix monitoring (HA)* ELK deployments (HA)* Ansible, Terraform (Used with AzureRM), Jenkins 2 (Pipelines), HashiCorp Vault
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Consulting EngineerAutomation Logic Mar 2017 - May 2019London, Se1 8St, Gb -
Senior DevopsStorage Made Easy Sep 2016 - Mar 2017Sutton, Surrey, Gb -
Linux Systems EngineerStorage Made Easy Jun 2015 - Aug 2016Sutton, Surrey, Gb- Testing/Deploying appliance on vary different cloud providers (Azure,OpenStack,EC2,vmware)- Making internal packages/system scripts - CentOS 5 - 7- Architecting HA environments- Writing / managing Ansible roles - I've made complete migration from Centos 5 to Centos 7 (SME v10)- 3rd Line Support - Managed Services (Worldwide support)
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System Engineer / DevopsMerchenta Nov 2014 - May 2015London, London, Gb- Writing and managing Ansible roles- Deploying Java/Scala/Play applications- Managing mysql cluster/replication- Deploying/managing Hadoop Cluster (Hive,HUE,HDFS)- Writing new checks for Nagios- Managing munin graphs- Figuring out new bottlenecks in our java apps- Managing Couchbase cluster- Managing RabbitMQ - Linux kernel/sysctl tuning for better network stack & performance- On-calls -
System AdministratorNazwa.Pl Sep 2013 - Oct 2014Kraków, Małopolskie, Pl- Writing OpenStack nagios/cacti checks - Writing and managing Ansible roles- Managing Cobbler- Deploying and managing CEPH cluster- Managing HA - Pacemaker/Keepalived/Haproxy- Managing LVS Cluster- Managing our network infrastructure - VLAN/Blackholing/Routing- Deployments of various applications/servers- Mysql replication - Master - Slave / Master - Master- Creating/Restoring Backups- Replacing bad hardware (hard drives, ram, cpu etc.)- Helping clients with their sites (mostly poor PHP code)
Karol Czeryna Skills
Karol Czeryna Education Details
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The State School Of Higher Education In ChelmMathematics And Computer Science
Frequently Asked Questions about Karol Czeryna
What company does Karol Czeryna work for?
Karol Czeryna works for Signal Ai
What is Karol Czeryna's role at the current company?
Karol Czeryna's current role is Experienced Cloud Engineer 🤖 @ Signal AI.
What is Karol Czeryna's email address?
Karol Czeryna's email address is ka****@****asy.com
What is Karol Czeryna's direct phone number?
Karol Czeryna's direct phone number is +486085*****
What schools did Karol Czeryna attend?
Karol Czeryna attended The State School Of Higher Education In Chelm.
What skills is Karol Czeryna known for?
Karol Czeryna has skills like Linux System Administration, Bash, Python, Ansible, Apache, Mysql, Nginx, Postgresql, Postfix, Lxc, Kvm, Iptables.
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