Gaurav K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I am a Linux engineer with 10+ years of experience of various tasks. List includes a huge stack of different technologies. I always open to new researches and further implementations. I am Redhat certified in Ansible Automation , I earned Many other certification as below : - Redhat Certified Instructor - Redhat Certified System Administrator (V4 to V8, v8.2) - Redhat Certified Engineer (V4 to V8) - Red hat Certified Virtualization Administrator - Red hat Certified Specialist in Server Hardening - Red hat Certified Specialist in Ansible Automation - Red hat Certified Openstack Administrator - Certified Novel Administrator - Familiar with Docker, Terraform, Kubernetes (k8s), Google Cloud, AWS, Laravel - Leading Linux Systems engineer - System architecture from scratch - Production/QA/development clouds [for 3 developers teams (backend, iOS, Android)] - High Availability production cluster with great horizontal scalability (with cloud flare DNS API) - Indecent monitoring system for various types of events (availability, retrospective performance forecast) - IT Stack provisioning with various scenarios (for bare metal VDS, for AWS (or any cloud) by Terraform - Managing, Leading my team to success - Legislation on information technologies, attracting experts - Cyber security system for office (WPA enterprise access with LDAP & freer adios for example, hardware keys) - CI process with GitLab-CI, Jenkins - CD with own developed in golang CI tool (developed by my employees) - Monitoring (Prometheus, grafana, sentry, Nagios) *** • Participated in HPC cluster support (it has 20 nodes, ~Rpeak 12 TFlop/s, Infiniband 56 Gb/s.); • Used Hip-hop VM for PHP, it reduced access time to web-sites from ~4 sec to ~0.1-0.2 sec; • Installed & configured DNS server (bind) for inner services; • Improved ticket system [Document automation], edit it code (php+LaTeX), to get advanced performance and errors correction; • Reconfigured asterisk with ogg support for optimize the storage space; • Optimized of computing math problems on the cluster. Used SIMD (AVX) [C lang] and multi-threading to reduce the time calculation problem in ~ 64-256 times faster. What I know: IT security, Bash, MySQL - optimization, query writing, clusterization Percona XtraDB Cluster, Cisco - switch setups, Redmine administration, upload/download data from Redmine, Lxc, Postfix, ability to read a code of other, jQuery, PHP7, C language, git, TCP/IP I ensure you for best output.