Devops Engineer Infrastructure

ZAFAR ROOSTAMOV

Cell: 571-***-****

E-mail: **************@*****.***

DevOps Engineer and SRE and Infrastructure Architect S U M M A R Y

DevOps/SRE Engineer with over 12 years of experience in varied industries;

Experienced DevOps Engineer with a proven track record in automating deployment workflows and managing cloud-based infrastructure. Proficient in leveraging tools like Jenkins, GitLab CI/CD, and Kubernetes for container orchestration.

Strategic Infrastructure Architect with a deep understanding of enterprise architecture, cloud migration, and virtualization technologies. Proven success in designing resilient infrastructure solutions that balance scalability, performance, and cost-effectiveness. Proficient in containerized environments (Kubernetes, Docker) and experienced in architecting disaster recovery and high-availability systems for critical business operations.

Detail-oriented SRE with extensive expertise in building automated systems for reliability and scalability in high-traffic environments.

Experienced in mission-critical production environment;

Ability to adapt and accomplish creative and standard or non-standard solutions;

Excellent communication, and technical training skills, and high pressure multitasking;

Strong desire to organize and standardize for efficient operation of user environment;

Strong Experience in Troubleshooting of Network, OS and Linux Kernel’s level and Performance related problems;

T E C H N I C A L K E Y S K I L L S

Operating System : RHEL/CentOS 6, 7, 8 and 9, Rocky Linux 8 and 9, Debian, FreeBSD 9 and 10, Solaris, Windows 2012/2012 R2 till 2021.

Networking: SAMBA, TCP/IP, DHCP, Cisco Layer2 and 3 Switches, Wireless Controllers and Access Points, Routers, SSH, Telnet, FTP, LAN/WAN, VLAN, MPLS Networks or T1 circuits, Riverbed Steelhead WAN Optimization.

Server: Apache, Postfix/Dovecot, Oracle RAC, Nagios, Opsview, IPControl, DNS, LAMP stack, Print, IIS, DHCP, LDAP, NIS, ISCSI, AD, Password server, Samba, and FTP, Prime Infrastructure 2.0- 3.0, Exchange server/Postfix, Windows File servers/Linux NFS, Slayer, Mirror/REPO, OOKLA, RabbitMQ,

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Scripting language: - Bash Shell, Python

Installation and Configuration: – Ansible, PUPPET, LamPro, Nagios System Monitoring, LDAP, FreeIPA, 389, Apache/Nginix, LAMP, FTP, NFS, LVM, Oracle RAC, Webservers, ISCSI, Opsview, EMC SAN (Clirion CX300 and CX600, VNX5300), XenCenter and VMWare VCenter, Linux KVM’s and RHEV, Windows Enterprise infrastructure, Docker Swarm cluster and Kubernetes Cluster, HAProxy, Wiki, and Various Linux base Application, EM7 environment, Splunk.

DevOps tools: Atlasian tools (such as Jira, Confluence, BitBucket), Jenkins, Git, Molecules, Containers

(Docker, Kubernetes and OpenShift), Kuberneties Dashboard/Cluster, Docker Swarm Clustering, Portainer, Ansible/Puppet, Jfrog Artifactory.

Containerization is a foundational DevOps skill: Docker: Master building, managing, and optimizing Docker containers and Swarm Clusters. Kubernetes (K8s): Learn how to orchestrate, scale, and monitor containerized applications.

Building CI/CD pipelines of DevOps:

Jenkins, GitHub Actions, GitLab CI/CD: For creating CI/CD workflows. Azure DevOps, CircleCI, ArgoCD, Spinnaker: Advanced CI/CD tools.

Hardware: IBM System X series, Lenovo Think Servers RD series, HP-DL and G series, Dell PowerEdge series and C6100 BLAD. Storage administration: RAID arrays, SAN (EMC, NetApp, and Dell Powervault), NAS/FREENAS.

Database : MySQL/Maria DB, SQL, Percona, PostgreSQL

Cloud Infrastructure: AWS S3 and EC2, Azure Cloud Infrastructure

Monitoring – Nagios system monitoring, Opsview monitoring, ScienceLogic's EM7 tools, Splunk, Observer, ELK Stack (Elasticsearch, Logstash, Kibana): Centralized logging..

System Security and Troubleshooting utilities – Wireshark, ping, Observer, tcpdump, telnet, netstat, netcat, nmap iptables/firewalld, tcpwrappers and selinux, Nomadix Firewall, Palo Alto Firewall, Symantec antivirus, Trend Micro Officescan, Nesus scan.

Virtualization

VMware - vCenter manager and ESXi 6.x, 7.x and 8.x, XenCenter and Xen Server 6.x and 7.x, RedHat Enterprise Virtualization 4.x, Linux KVM’s, Microsoft Hyper-V Virtualization P R O F F E S I O N A L E X P E R I E N C E

Infrastructure/SRE Engineer/DevOps;

SES Networks/SES, Manassas, VA (07.2016-present)

Administered and was responsible for site reliability and architecture of two Datacenter and ten gateway locations, with over 1000 physical and virtual servers. Which more than ninety five percent of them RHEL/CentOS and Debian Linux base, with hosted at Xen, KVM’s, and VMWare and RHEV hypervisor platforms. Daily responsibility is supporting Layer one and two engineers, with layer three and four support.

Creating support and engineering documentations, user manuals and how to articles, and knowledge transfer.

Implementing ITIL base tools Salesforce and Service-now, and leading to enforce change management and incident report, problem report, and change request.

Deployed and configured Container tools such as Docker Swarm Clusters and Kubernetes with Desktop, Jenkins, GitHub Actions, GitLab CI/CD: For creating CI/CD workflows.

Involved at architecting and Deploying projects such DevOps environment using GitLab/GitHub, JFrog Artifactory, Jenkins, Jira and Confluence.

Architected and migrated enterprise environment from Xen Servers to RHEV hypervisor environments from all Datacenters and Gateways.

Migrated Windows 2008R2 server to Windows 2019 server with implementing WSUS update sever configuration, user access management RDP server to control user CAL licensing and GPO management, AD/DC setup and configuring.

Migrated whole infrastructure including over 500 VM’s and Bare metal servers from Xen Center to VMWare and RedHat Virtualization platforms.

Migrating VM’s from Virtualization platforms to Microsoft Azure including automating using Terraform tools and simplifying all infrastructure.

Have been part of the O3B block satellite launching, and was responsible for reliability and uptime of all ground server infrastructure at during the launch of rockets.

Upgrading the systems like IPControl DNS and IP address management tools, and ScienceLogic's EM7 tools whole ecosystem DB to Management server to Collectors, and Splunk systems including light and heavy forwarders, and over 20 high profile tools design and upgrade and installed.

Working closely with Developers teams to implement and be part of high level projects such as “Shared Capacity Services”, “Enhanced File Sharing”, “Weather Intact Prediction tool”, “Volume Base Billing”,

“Splunk deployment and implementation”, “IPControl upgrade”, “LAMPro upgrade”.

Participated and been part of the projects such as: DataCenter and Gateway Migrations, implementing Splunk Enterprise, Automation with Ansible, building DevOps environments, upgrading IPControl IP management systems, NOC tool implementations with Linux and Windows, Infrastructure System Administrator;

Fort Dearborn Company, Elk Grove Village, IL (05.2014-07.2016)

(Provides 24x7 on-call support)

Administered, built, configured and troubleshooting hundreds of Linux and Windows servers and workstations in physical and virtual environments, this includes architecting and assembling physical and virtual servers and installing new software, validating that the software was correctly installed and configured on the correct machines onside and remote locations through VPNs (Cisco VPN or Palo Alto VPN) using RDP, VNC, SSH and Telnet. Daily operations in infrastructure are maintenance and troubleshooting of Networking, NAS/SAN, PBX, Firewall, Backup systems.

Setup NFS, FTP and Samba for File Sharing on Linux and Windows servers.

Installing and configuring of Red Hat Enterprise Linux 5, 6 and 7, CentOS, Oracle Linux 5, 6 and 7, Ubuntu 12, Windows 2003, 2008/2008R2 and 2002/2012R2 and setup DHCP, Kickstart and RHEL/CentOS yum repositories.

Deployed system patches using private repos and yum update, enterprise software upgrades.

Storage administering SAN EMC VNX5300 and EMC CX600, NAS Seagate, and Type Backup using Commvault i500.

Installed and configured various services like Oracle RAC servers for production and Test environments, DNS, LAMP stack, LDAP, DHCP, WordPress webservers, Apache Web Server, Tomcat, Prime Infrastructure 2.0, Prinergy, Citrix farm servers, OpenLDAP, Microsoft AD, Group policy, Masstransit file transfer, SSH, Riverbed WAN Optimizer, Telnet, RPM Package Management and others.

Managing and configuring of Network devices (Cisco Routers, Switches, Wireless controllers and Access pointes, Nexus Switches), Palo Alto firewall, Observer.

Install and configure virtual and physical machines for various environments as Windows Infrastructure server 2008/2012R2 (DNS, DHCP, IIS, Print, AD, GP, DFS), Linux Webhost and Web Application servers (Test/QA, DEV and Prod environments), Appservers (OBI, OracleDB, SQLdb, Prinergy, Masstransit).

Linux System Administrator;

Percipia Networking; Chicago, IL (11/2013-05/2014)

(Provides 24x7 on-call support)

Configured and troubleshoot Linux clusters, servers and workstations. Reviewed software installation procedures. Implemented new procedure for drive copying, dramatically reducing the time to create new system disks. Live customer support or VPN remote support and trouble shouting, ticketing with Zoho. Maintained and supported Linux prototype disks, including security updates, working with log files, bug fixes, and feature enhancements.

Maintain and configuring DNS, DHCP, LDAP, Webservers (Apache), NFS, Windows Active directory, FTP and Samba for File Sharing on Red Hat Linux, Centos and Windows servers. Creating and installing new servers using PXE Sever, Kickstart, MySQL database.

Configuring, installing, upgrading and managing SAN disk using LVM.

Administering and managing Cisco Call Manager (PBX), Unity voicemail.

Scheduling used tools such as Cron, set up collaborative directories (sgid/ sticky/ setfacl),

TCP/IP, VOIP, Internet telephony.

Monitoring system service using Nagios, monitoring and turned the system to archive optimum performance. Setup security using SUDO, TCPdump & iostat, Iptables, Selinux.

VMware - ESX, ESXi Servers, Vcenter. Install and configure virtual machines for clients: vCenter manager, VDP, Vmotion, Storage Vmotion.

E D U C A T I O N

ANDIJAN STATE AGRO-ENGINEERING UNIVERSITY

Andijan, Uzbekistan

Major: Engineering

CERTIFICATES

VMware – certified Administrator on vSphere

Windows server administration

Linux Administration Certificate RHCSA

References are available upon your request

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