Dmitri T.

DevOps | Sysadmin

Have over 20y of IT experience in the field. Worked on different tasks: from simple to complex. Proficient in different programming languages, system administration and DevOps Available mostly in the US business hours (evenings/nights and full days in weekends of the Europe timezone - GMT +2) as I have already a daily job. Experience: Cloud - AWS (since 2009), GCP (3y), Azure (2y), DigitalOcean, Hetzner, Linode etc Containers: Kubernetes, OpenShift, Rancher (RKE), minikube, kops, Docker, docker-compose, Helm, Kustomize Scripting/programming: bash, Python, Ruby, Go, Java, PHP, Groovy etc. CI/CD: Jenkins with Groovy, Gitlab pipelines, Bitbucket pipelines, GitHub actions etc. Monitoring: Elastic stack with various beats, Kibana, FluentBit/Filebeat, OpenSearch with Dashboards, Prometheus, Grafana, Zabbix, Nagios, AWS CloudWatch, Munin, Cacti etc. Configuration managment: Ansible, Puppet, Chef SCM and GitOps: git, svn, Github, (Bitbucket, GitLab - both hosted and on-prem), ArgoCD, Flux IaC: Terraform (medium level), Pulumi (beginner) Databases: MySQL, Elasticsearch, SQLite, MongoDB, PostgreSQL Security: OpenVAS, Lynis, PCI-DSS compliance, CIS hardening, OpenSSL Configuration formats: most configuration formats like HCL, YAML, JSON, JSON-path, working with yq and jq, Jinja etc. Virtual Private Networks: Wireguard, OpenVPN, pptp PHP based CMS: Wordpress, Joomla, Mediawiki, Drupal, Concrete - setup, migration, hardening, version upgrade etc. Backup: Borg, zyxBackup, rsync, self written bash scripts OS: Linux, Windows, MacOS, FreeBSD, OpenBSD Repo: Nexus, Artifactory, most common Docker/npm/maven registries etc. Certified: CNCF Kubestronaut ICA: Istio Certified Associate CCA: Cilium Certified Associate CGOA: Certified GitOps Associate CAPA: Certified Argo Project Associate CBA: Certified Backstage Associate KCA: Kyverno Certified Associate CNPA: Certified Cloud Native Platform Engineering Associate Certified Kubernetes Application Developer (CKAD) Certified Kubernetes Administrator (CKA) Certified Kubernetes Security (CKS) Kubernetes and Cloud Native Associate (KCNA) Kubernetes and Cloud Native Security Associate (KCSA) Linux Foundation Certified Sysadmin (LFCS) Linux Professional Insitute Certification 101/102 (LPIC 101/102) Prometheus Certified Associate (PCA)