Hire the Best Zimbra Administration Specialists
in Bangladesh

10+ years of professional experience in the Cloud and ISP industry. Certification: 🥇 Certified Kubernetes Administrator (CKA) 🥇 Red Hat Certified Engineer (RHCE) 🥇 Red Hat Certified System Administrator (RHCSA) 🥇 Red Hat Certified Specialist in Virtualization (RHCVA) Skills and Specialties: # OpenStack, Proxmox, KVM, Docker, Kubernetes, AWS. # Ceph, TrueNAS, ZFS, GlusterFS, iSCSI, NFS. # Email Server, Web Server, DNS Server, cPanel/WHM, NMS, etc. # Asterisk, FreePBX, Vicidial, FusionPBX, Voice Gateway, SS7 Media Gateway.

Hi, I am Sazedur Rahman, working as a System Engineer for Linux/Unix-like OS Based Systems in a Reputed Financial Organization. I am new to Upwork but have more than five years of profound Experience in Linux/Unix System Administration, Configuration, Server Security and Automation. Completed various Live projects such as Authoritative DNS, DNSsec, Caching DNS, Zimbra Multi-Server Mail Solution, Multiple Web Server using Apache and NGINX, Local Repository for Linux Distributions Like- CentOS/Ubuntu & EPEL/Zimbra/RemiPHP, File Server Integrated with Windows AD for more than 8K Users, IPA Server, NTP Server, Cockpit Server, Secure File Sharing with Next Cloud. Expertise in - Linux Server Configuration- Web, Mail, DNS, Virtual Hosting, Samba, NFS, FTP, HA Cluster, Apache/NGINX with SSL/TLS, Gluster Storage (GFS2), Zimbra Mail Server, Red Hat Satellite, Spacewalk (open-source systems management), Linux System Security - Firewalld, iptables, fail2ban System Automation using- Shell Scripting, Ansible, Python Linux System Penetration Testing using OpenSCAP. Virtualization- vmware, rhev, kvm Kubernetes, Docker, Container Also certified as CCNA, RHCE, RHCVA & RHCA (Red Hat Cert ID: 160-039-582).

I have 8 years+ of working experience on Linux system, Virtualization, Storage system and Backup solutions. My view is to pursue a more challenging job in a dynamic and esteemed organization or person where I will be able to work in any kind of situation with full efforts to utilize my knowledge, skills and experience. Hereafter I would like to offer myself to do your great job with highest priority, sincerity & cordially. TECHNICAL EXPERTISE: ✔ Platform (RedHat, CentOS, Fedora, SUSE, Ubuntu, Debian, HP-UX, Solaris, MacOS, etc.) ✔ Virtualization (VMware, OVM, KVM, Zen, oVirt, etc.) ✔ Storage (HPE, Dell EMC, NetApp, etc.) ✔ Data Backup and Disaster recovery Solution (Data Protector, Veem, Commvault) ✔ SAN Network (Brocade SAN Switch) ✔ Server Hardware (HPE, Dell, Lenovo, etc.) ✔ HPE Synergy, Cisco HyperFlex. ✔ Tools/Services (Zabbix, Nagios, Cacti, PRTG, Apache, Nginx, DNS, DHCP, Cluster, cPanel, Webmin, OpenVPN, SoftEther, etc.) ✔ More CERTIFICATIONS: ✔ VMware Certified Professional 6 – Data Center Virtualization (VCP6-DCV) ✔ Red Hat Open Stack Administration (RHCL 210) ✔ Red Hat Certified Specialist in Ansible Automation (EX407) ✔ Red Hat Enterprise Clustering and Storage Management (RH436) ✔ Red Hat Certificate of Expertise in Server Hardening (RH413) ✔ Red Hat Certified Engineer (RHCE) ✔ Red Hat Certified System Administrator (RHCSA) ✔ HPE Linux Solution Qualification ✔ Cisco Certified Network Associate (CCNA) ✔ Data Protector 9.0X Advanced Integration ✔ HPE 3PAR StoreServ Hardware Service and Solution Qualification (7/8/9/10/20xxx) ✔ HPE Synergy Service & Solution Qualification ✔ HPE Proliant Blade/ML/DL/SL/and Apollo Service and Solution Qualification ✔ HPE StoreEver MSL Tape Libraries and 1/8 Autoloader Service and Solution Qualification Thanks for viewing my profile...

* Over 5 years of On-prem work experience in TIER III datacenter * Over 3 years of Public/ Private Cloud work experience. * Cloud VM/ EC2 instances with proper networking and storage. * Windows Server with Roles and Features * Linux server OS with Mail, Web, FTP, EMAIL, DNS, DHCP, YUM, Cacti, Nagios services. * Switching: Cisco, Juniper, BDCOM, Quanta, Huawei etc * Routing: Cisco, Juniper, MikroTik, vyOS etc * Firewalls: FortiGate, PaloAlto, Juniper SRX, MikroTik, pfSense etc, * Wifi: Cambium, Ubiquiti, TP-Link, D-Link Tenda, Netgear etc * Security: WAF, Site-to-site VPN, Remote Access VPN, OpenVPN, PCI-DSS, OpenSCAP etc * Monitoring and troubleshooting of various services. Professional Experiences: * Currently working as an Assistant Manager (Systems ) at a well-reputed Data Center company doing Typical Level 3 / Core infra and system-related tasks. Professional Certifications: * Red Hat' RHCE, RHCSA * Microsoft' MCSA, Azure Administrator Associate (Az-104) * Cisco' CCNA * MikroTiks MTCNA * WHM & cPanel' CWSA also participated in Certified Ethical Hacker (CEHv9) course for cybersecurity skills. Skills haven't mentioned: * Implementing technologies protocol like VXLAN, VLANs, STP, RSTP, PVST+, inter-VLAN, SSH, IGRPv2, DHCP, OSPFv2, BGP, etc. * Providing offensive securities like HTTPS, SSL, Captcha Authentication, 2FA Authentication, DDos protection, CSRF protection, inbound/outbound email protection, etc. * Designing infrastructures in Microsoft VISIO for better security and compliance. Academic Qualification: * B.Sc. in Electrical and Electronic Engineering (EEE) at Daffodil International University. Please consider inviting me to apply for your job so that we can continue working together. Best Regards, Md Jan A Alom Beg

Hi, I am Sumon, have been working in multinational companies as Server Administrator for last 13 years. Currently, I am planning to build up my career in outsourcing. Summary of experience: ✔️ Linux:- CentOS | Ubuntu | Debian | Redhat ✔️ Apache | Nginx | LiteSpeed | MySQL | PhpMyAdmin | WHM | cPanel Plesk | VestaCP ✔️ Deployments:- LAMP | LEMP | Node.js | Python | Tomcat | JBoss | RoR ✔️ CMS:- Wordpress | Drupal | Joomla | Mediawiki | Moodle ✔️ Server Provisioning: Chef | Ansible | Shell Script ✔️ Mail Server: Postfix, Sendmail, Exim, Dovecot, HMailServer, OpenDKIM, Spamassassin, PostfixAdmin, Zimbra ✔️ Google GSuite | Microsoft 365 Admin | Sendgrid | AWS SES ✔️Security: IPTables, SELinux, TCP-wrappers, Fail2ban, OSSec,CSF/APF Firewall, Endain, IPcop, PFSense, | IPFire | OpenVPN ✔️ Analytics: Awstats, Webalizer ✔️ Databases: MySQL, MSSql, Postgresql ✔️ Reverse Proxy: Varnish, Pound ✔️ Cloud Platform | AWS | Linode | DigitalOcean | Azure | GCP ✔️ Virtualization: VMware | vSphere (vCenter, ESXi) | VirtualBox | KVM | QEMU, XEN, ProxMOX, OpenVZ, ✔️ High Availability: DRBD | Heartbeat | MySQL Master replication |VMWare ESX Cluster | ProxMox Cluster ✔️ Storage & Network FS: RAID, LVM, ISCSI, StarWind, FreeNAS, NFS, Samba, ✔️ Monitoring: Zabbix, Nagios, Monit, Shell script. ✔️ DevOps | CI/CD | Jenkins | Ansible | Git ✔️ Containerisation | Docker |Kubernetes ✅ I will offer 1 hour of free work to let you try and taste the quality. No strings attached. I am glad to look into your project before we start. Just invite me to a job and i would gladly try making this work. That's because i am interested in long term collaboration.

👋 7+ years. 15,600+ hours. Top Rated on Upwork. I'm Arif — a tech-savvy Virtual Assistant specializing in property management, admin operations, CRM, SEO, Excel/Sheets automation, and AI-powered web development. I take full ownership of tasks so you can focus on growing your business. 🏢 Property Management & Real Estate AppFolio · Yardi · Buildium · Rentvine · Lease generation · DocuSign · Rent ledgers · Move-in/out coordination · Vendor management · Property bookkeeping · Rent registration · Rent increase notices · 3-day & 30-day notices · RSO/SCEP filings · Property tax payments · Business tax filings · Business license renewal · Invoice management · Recurring billing 🌐 AI-Powered Website & SaaS Development Full websites built using AI tools (Claude, ChatGPT, Gemini) · Next.js · Supabase · Vercel · Landing pages · SEO-optimized content · WordPress · Wix · WooCommerce · Basic HTML/CSS/JS 📊 Excel & Google Sheets Custom spreadsheet builds from scratch · Automated trackers · Recurring billing systems · Budget & bookkeeping sheets · Conditional formatting · Formulas & functions · Data cleaning & formatting · Dashboard design · CSV workflows · Google Forms integration 🔍 SEO & Website Auditing Technical SEO audits · Google Search Console setup & verification · Sitemap submission · PageSpeed optimization · Image compression (WebP/AVIF) · Structured data/schema markup · Duplicate page identification · 301 redirect planning · Yoast SEO · Actionable audit reports & implementation guides 🖥️ Virtual Assistance & Admin Email · Calendar · Scheduling · Research · Data entry · SOP creation · Fillable PDFs · JotForm · Google Suite · Trello · Asana · Airtable 🔧 Tech & IT Support Windows OS · Remote access · Printer/scanner setup · CCTV monitoring · Technical documentation · End-user training 📣 CRM & Communication HubSpot · ActiveCampaign · OpenPhone · JustCall · Twilio · GrooveHQ · Slack · Zoom · Email campaigns · Contact management ✍️ Content & SEO Writing SEO blog writing · Yoast · Copywriting · Product descriptions · Proofreading · Technical writing 🛍️ eCommerce WooCommerce · AliDropship · Product listings · Order management · Keyword & product research ✅ Top Rated | 15,611+ hours logged ✅ Fast learner — adapts to any platform or workflow ✅ Long-term client focused | High confidentiality ✅ Treats your business like my own Let's connect and get things done.