I'm a professional Senior Linux Systems Engineer with over 14 years of hands-on experience in managing, securing, and optimizing Linux-based servers and infrastructure.
If you're a startup, entrepreneur, web agency, or enterprise looking for rock-solid server performance, automation, and security, you're in the right place. I work closely with clients to build stable, scalable, and secure Linux environments
What I Can Help You With:
Linux Server Setup & Management:
Debian, Ubuntu, CentOS, AlmaLinux, RHEL etc
Installation, Disk partitioning, LVM, RAID, system hardening
Performance tuning and troubleshooting
Web Server Deployment:
Apache2, Nginx, PHP-FPM, SSL/TLS, Let's Encrypt
Virtual Hosts, Rewrite Rules, Reverse Proxy configuration
Mail Server Configuration:
Postfix, Dovecot, Zimbra, Roundcube etc
SMTP, IMAP, SPF, DKIM, DMARC setup
Email deliverability and spam protection
DNS & Control Panels:
BIND, PowerDNS, DNS record management
Webmin, ISPConfig, CyberPanel, Virtualmin, Vestacp etc setups
Cloud & DevOps Integration:
Infrastructure automation using Bash and Ansible
Server provisioning, patching, user/group management, cron jobs
Experience with various cloud platforms
Cloud server setup and management
VPN & Proxy Services:
Squid, 3proxy, WireGuard, OpenVPN, Anyconnect, PPTP, Ipsec
IP rotation, IPv4/IPv6 support, authentication
Monitoring & Logging:
Zabbix, Nagios, Grafana, Cacti
ELK Stack: Elasticsearch, Logstash, Kibana
Virtualization & Containers:
KVM, Proxmox, VMware ESXi
Docker containers, Docker Compose, orchestration
Database & Backup:
MySQL/MariaDB setup, optimization, replication, backup & restore
Rsync, Rclone, cloud/offsite backup strategies
Custom backup scripting and automation
If you’re looking for a trusted Linux expert to support or transform your infrastructure, let’s connect and discuss how I can help!
Proxmox VE
Linux System Administration
Linux
DevOps
Virtualization
Web Hosting
Hosting Setup
Apache HTTP Server
DNS
MySQL
Squid
Zabbix
SSL
VPN
NGINX
cPanel
Virtual Private Server
Postfix SMTP Server
WordPress
Website Migration
Mohammad Hasan M.
Gazipur City, Bangladesh
$20/hr
5.0
2 jobs
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.
Windows Server
Google Cloud Platform
NGINX
Amazon S3
VMware Administration
Virtual Private Server
Web Hosting
Amazon EC2
Linux System Administration
Data Backup
SSH
Web Host Manager
MD Rakibul I.
Rangpur, Bangladesh
$15/hr
5.0
9 jobs
Greetings! I'm MD RAKIBUL ISLAM, an adept professional with extensive expertise in Linux server administration, web hosting management, and a suite of server technologies including WHM/cPanel, KVM virtualization, Virtualizor, Proxmox, SolusVM setup, SMTP server configuration, DNS, and WHMCS complete setup, accumulated over 7 years of dedicated practice.
Throughout my career, I've actively participated in a multitude of local projects, delivering top-notch solutions and consistently exceeding client expectations. My commitment to excellence, paired with a proactive approach to problem-solving, ensures seamless server operations and optimal performance for your projects.
Let's collaborate to enhance your server infrastructure and achieve your objectives efficiently and effectively. I look forward to contributing my skills and knowledge to your success!
Linux System Administration
Server Operating System
Server & Virtualization Software
Server Administration
Server Virtualization
Virtual Private Server
cPanel
Web Server
Web Host Manager
Web Hosting
Hosting Setup
WHMCS Development
SMTP
MailWizz
Ibrahim K.
Dhaka, Bangladesh
$35/hr
4.8
30 jobs
⭐⭐⭐⭐⭐𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐄𝐱𝐩𝐞𝐫𝐭 𝐨𝐧 𝐒𝐞𝐫𝐯𝐞𝐫, 𝐒𝐭𝐨𝐫𝐚𝐠𝐞, 𝐕𝐢𝐫𝐭𝐮𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧, 𝐁𝐚𝐜𝐤𝐮𝐩 & 𝐃𝐢𝐬𝐚𝐬𝐭𝐞𝐫 𝐑𝐞𝐜𝐨𝐯𝐞𝐫𝐲, 𝐋𝐢𝐧𝐮𝐱, 𝐖𝐢𝐧𝐝𝐨𝐰𝐬, 𝐊𝐮𝐛𝐞𝐫𝐧𝐞𝐭𝐞𝐬, 𝐂𝐈/𝐂𝐃, 𝐃𝐞𝐯𝐎𝐩𝐬, 𝐌𝐮𝐥𝐭𝐢-𝐂𝐥𝐨𝐮𝐝 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭
🏆𝟏𝟐+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 | 𝐈𝐓 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞, 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 & 𝐃𝐞𝐯𝐎𝐩𝐬 | 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭
I’m a 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 & 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 with over 12 years of hands-on experiences on IT infra design, deployment, implementation, configuration, migration, support services with below key skill include -
🏆 Enterprise Storage, Server, Backup & Recovery Architecture and Implementation
🏆 Dell EMC, HITACHI, NetApp, HPE, IBM, Pure, Huawei, Lenovo, Fujitsu, SAN/NAS Storage, Administration, Replication, Migration Technologies
🏆 Backup Recovery solution with Commvault, Veritas NetBackup, Backup Exec, Veeam, Acronis, EMC Networker, Data Domain, Avamar, IDPA
🏆 System and Data Migration with SAN Copy, vMotion, P2V, V2P, Rsync, RClone
🏆 Cisco MDS and Brocade SAN Fabric / FC Switch
🏆 Rack and Modular Chassis Server Implementation and Administration
🏆 Synology, QNAP, TrueNAS, Isilon NAS Storage & Open Source Platform deployment
🏆 Linux/Unix, Ubuntu, CentOS Install, Update, File System, LVM, ACL, SSL, Apache, Nginx Web Server Configuration
🏆 Windows Server Install, Active Directory Domain Contoller, DNS, RDS, DHCP, FTP, Web Server, IIS, File Server, Failover Cluster configuration
🏆 Microsoft Hyper-V Install, Replication, HA Cluster, Nutanix, Proxmox, VirtualBox virtualization setup
🏆 VMware ESXi, vCenter Install, Virtual Machine, vSAN Cluster, HA Cluster, vMotion, Workstation setup
🏆 Oracle, MySQL, SQL Database configuration & management
🏆 Azure, GCP, AWS, IBM, OCI, DigitalOcean, Public Cloud resource management, AutoScaling, Load Balancer, VPC, Platform migration, configuration
🏆 Docker, Kubernetes cluster seup, container management, deployement, Azure DevOps, GitHub Actions, GitLab CI, Jenkins, ArgoCD, CI/CD pipeline
🏆 Network Switch, Router, Firewall, Gateway, Access Point, Wireless device configuration with Cisco, Juniper, Fortinet, MikroTik, D-Link, TP-Link, HPE Networking, Aruba, Avaya, Ubiquity, UniFi, Dell Networking PowerSwitch, F5, VPN, Proxy, Packet Tracer Network Design and Configuration
🏆 Batch, PowerShell and Bash Scripting
✅ MY CORE EXPERTISE
💾 Server, Storage & SAN
✔ Dell EMC PowerMax, VMAX, Unity, PowerStore, VxRail, Isilon/PowerScale
✔ Hitachi VSP, HNAS, G-Series, USP, HUS
✔ NetApp AFF, FAS, ASA, EF Series, StorageGRID
✔ HPE 3PAR, Nimble, Primera, Alletra, StoreOnce, MSA
✔ IBM FlashSystem, SVC, DS Series
✔ Pure Storage, Huawei OceanStor/Dorado, Fujitsu, Lenovo, Oracle ZFS
✔ SAN/NAS Design, Storage Migration, Replication, Performance Optimization
✔ Cisco MDS & Brocade SAN Fabric Administration
🗃️Backup, Disaster Recovery & Data Protection
✔ Commvault Backup & Recovery
✔ Veeam Backup & Replication
✔ Veritas NetBackup & Backup Exec
✔ Dell EMC Avamar, Networker, Data Domain, DPS
✔ Cohesity, Acronis, AWS/Azure/GCP Backup
✔ Kubernetes Backup using Kasten K10, Velero
✔ DR Design, Replication, Failover & Recovery Testing
🖥️Virtualization Infra
✔ VMware ESXi, vCenter, vSphere, vSAN, HA, DRS, vMotion
✔ Microsoft Hyper-V, Failover Cluster, Replication
✔ Nutanix AHV
✔ Proxmox VE
✔ P2V, V2V, Live Migration & Infrastructure Consolidation
🐧💻Linux & Windows System Administration
✔ Ubuntu, RedHat, CentOS, Rocky Linux, Debian
✔ Windows Server
✔ Active Directory, DNS, DHCP, IIS, RDS, File Server
✔ Apache, Nginx, SSL, LVM, ACL, Bash & PowerShell Scripting
✔ Server Hardening & Security Best Practice
☁ 𝗠𝘂𝗹𝘁𝗶-𝗖𝗹𝗼𝘂𝗱 & 𝗖𝗹𝗼𝘂𝗱 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀
❒ Azure – AKS, AVM, App Services, App Gateway, Key Vault, Defender, Sentinel, SQL, Cosmos DB, Blob Storage, Functions, ExpressRout
❒ AWS – EC2, EKS, ECS, Lambda, RDS, DynamoDB, S3, CloudFront, Route53, API Gateway, CloudFormation, IAM, VPC, Direct Connect
❒ GCP – Compute Engine, GKE, Cloud Run, Cloud Functions, BigQuery, Cloud SQL, Firestore, Pub/Sub, Cloud Storage, VPC, VPC peering, Interconnect
❒ OCI – OKE, Compute, Autonomous DB, Exadata, Object Storage, FastConnect, Load Balancer, Vault
❒ Hybrid / Multi-Cloud Networking (VPN, ExpressRoute, Direct Connect, Interconnect)
❒ Hybrid & Multi-Cloud Architecture, Cloud Migrations & Disaster Recovery
⚙ 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻
❒ CI/CD Pipelines: Helm, ArgoCD, GitOps, GitHub Actions, GitLab CI, Jenkins
❒ IaC: Terraform, Ansible, ARM, CloudFormation
❒ Docker & Kubernetes (AKS, EKS, GKE, OKE, On-Prem K8s)
🔐 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 & 𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲
❒ IAM, RBAC, Conditional Access, SSO, Key Vault / KMS
❒ Multi-Cloud Security Monitoring (Defender for Cloud, AWS GuardDuty, GCP SCC)
❒ Compliance (SOC2, NIST, ISO 27001, HIPAA, PCI DSS)
❒ DevSecOps & Automated Security Scanning
👉 Let’s connect!
System Administration
Server Administration
Virtualization
Storage Area Network
Storage Array
High Availability and Disaster Recovery
VMware Administration
Backup & Migration
Linux System Administration
Windows Administration
Data Backup
DevOps
Google Cloud Platform
Kubernetes
Cloud Architecture
Md Omar A.
Dhaka, Bangladesh
$10/hr
5.0
3 jobs
Skills:
• Linux Server Administration, Security and Hardening
• Virtualization, KVM, ProxmoxVE
• Mail Server, Webserver etc
• Network Administration
• Juniper MX Series, SRX Series and EX series
• OSPF, BGP, MPLS, VPN, etc
Training and Certifications:
• Red Hat Certified Specialist in Virtualization, Certification ID: 150-115-897
• Red Hat Certified Specialist in Server Security and Hardening, Certification ID: 150-115-897
• Red Hat Certified Engineer, Certification ID: 150-115-897
• Red Hat Certified System Administrator, Certification ID: 150-115-897
• 4x JNCIA, Certification ID: JPR00239432
Projects:
• Implement NWD MPLS (Juniper Device) Backbone for ISP Operation in 2021
• Deploy Proxmox Virtual Environment Cluster with HA and GlusterFS in 2020
• Deploy cPannel, WHM and migrate services from Hostgator to on premises Virtual Environment in 2020
• Establish IPTx and VPN connectivities with different MNOs (GrameenPhone, Robi Axiata, Banglalink and Teletalk) for bilateral SMS service in 2019
• Commission Imperva WAF for Bangladesh Governmental Entity in 2018
Proxmox VE
MikroTik
Juniper
CentOS
Network Administration
MariaDB
Linux System Administration
Zimbra Administration
cPanel
Intrusion Prevention System
Internet Protocol Security
Debian
Iptables
Chinmoy B.
Dhaka, Bangladesh
$30/hr
4.3
40 jobs
With 12+ years of experience, I specialize in Windows, Linux, Network & Virtualization including VMware, Hyper-v, Proxmox and enterprise IT management to deliver secure, high-performance, and scalable infrastructures.
💻 Services that, I Provide:
1️⃣Windows Server, Active Directory, Entra ID, Intune, Microsoft 365 & G Suite
🔹 Windows Server (2012, 2016, 2019, 2022)- Active Directory setup and administration, Users/Groups, OU design, GPO, trusts
🔹 Core services: DNS/DHCP, WSUS, WDS, File/Print servers, permissions/ACLs, SMB shares
🔹 High availability: Failover Clustering, HA/DR planning and implementation
🔹 Identity & access: Microsoft Entra ID tenant management, identity integration (hybrid identity), conditional access basics
🔹 Endpoint management: Microsoft Intune device enrollment, compliance policies, configuration profiles, app deployment, security baselines
🔹 Security & certificates: AD CS / PKI, certificate services, SSL/TLS configuration and hardening
🔹 Microsoft 365 and Google Workspace (G-Suite) admin support (accounts, policies, mail flow basics, and tenant operations)
🔹 Active Directory Certificate Services (AD CS) & Public Key Infrastructure (PKI) – Deployment & Management
🔹 Web & app hosting: IIS installation/configuration, IIS Load Balancing, IIS WebFarm ARR, SSL binding, security hardening, and IIS troubleshooting
2️⃣ Linux & Web Server Administration
🔹 Linux Administration – RHEL, Ubuntu, Debian, CentOS
🔹 Service Management – Samba Server, Mail server, Zimbra, GIT, NFS, ISCSI, FTP, SFTP, Elasticsearch, Redis, LDAP, Docker, Nodejs, Express, NIC teaming
🔹 Database Management – MySQL, MariaDB, MongoDB, Percona, XtraBackup, PostgreSQL, Mirroring/High Availability.
🔹 Web Servers – NGINX / Apache (LEMP/LAMP), HAProxy, reverse proxy, SSL/TLS
🔹 Security: FirewallD, SELinux, UFW, ACL, SSH, hardening
🔹 Automation ( Bash, CHEF, Ansible, Terraform, Python )
3️⃣VMware, Proxmox & Hyper-V Virtualization Expertise
🔹 VMware ESXi, vCenter, NSX, vSAN & Horizon deployment and management
🔹 High Availability, DRS, vMotion, D-Switch, VLANs,& AD integration in VMware
🔹 Proxmox with LXC/KVM, Live Migration, Ceph storage & HA cluster configuration
🔹 Hyper-V setup with clustering, Live Migration, Storage Spaces Direct & Azure hybrid integration
🔹 iSCSI/Fibre Channel SAN, snapshot management & storage optimization
🔹 Strong in VM hardening, disaster recovery & performance tuning
4️⃣ Backup, Storage, Database, & Disaster Recovery
🔹 Veeam Backup & Replication, hardened Linux repo, offsite backup strategy, immutability planning
🔹 Veeam Cloud Connect, Veeam Cloud Connect Replication, Veeam Service Provider, Veeam Backup as a Service (BaaS), Veeam DR as a Service (DRaaS)
🔹 Expertise in Synology NAS, QNAP, TrueNAS, & Nextcloud for secure storage
🔹 Backup, replication, failover, & DR strategies for BCP
🔹 Database admin for MSSQL, MySQL, PostgreSQL,MariaDB, Percona, Mirroring/High Availability, XtraBackup
5️⃣Networking, Firewalls, VPN & Security
🔹Routing & Switching (Cisco, Juniper, MikroTik , Huawei)
🔹 Routing/switching concepts, VLANs, trunking, NAT, LAN/WAN
🔹L4/L7 Firewall Policy Configuration (SonicWall, Sophos, Cisco ASA, Fortinet)
🔹VPN (IPSec, OpenVPN, WireGuard), Load Balancing & HA
🔹SD-WAN Deployment & NSX / NSX-T Micro-Segmentation
🔹Network Monitoring & Optimization using SNMP, NetFlow, Syslog
6️⃣ System Hardening, Security posture, endpoint/SOC tooling & Cloud
🔹 AWS: EC2, S3, IAM, VPC, Security Groups/NACLs, Route 53, Load Balancer, RDS, SNS/SQS
🔹 Skilled in SSL/TLS, clustering, & thread pool tuning
🔹 Strong in log analysis, performance tuning & system hardening
🔹 EDR: SentinelOne, CrowdStrike (deployment support, policy alignment, troubleshooting)
🔹 SIEM / Log management: Wazuh, GrayLog, Splunk, ManageEngine Log360 (log ingestion basics, alerting workflows, dashboard/reporting support)
🔹 Baseline hardening & hygiene: patching approach, access control, audit readiness, and incident-support workflows
🔹 Hardening Windows/Linux systems with Windows Firewall, Firewalld, IPTables, GPOs
🔹 Implementing NIST & CIS benchmarks, audits, patch and ISO-27001,PCI-DSS, HIPAA
compliance
🔹 Python/PowerShell/Bash/Ansible scripting for automation
7️⃣ Monitoring, RMM + Documentation
🔹 Monitoring: Zabbix, Grafana/Prometheus, Nagios, AppDynamics & New Relic
🔹 RMM & MSP tooling: Syncro, ConnectWise (Automate/Manage where applicable), NinjaOne (Ninja RMM) for endpoint monitoring, patching, alerting, and remote support workflows
🔹 Strong focus on clear documentation, diagrams, SOPs, Change Management, reporting, and security posture documentation (controls, checklists, and runbooks)
🚀 Why Choose Me?
✔ 12+ years of enterprise IT experience in Windows, Linux, Virtualization & Cloud
✔ Proven expertise in troubleshooting & optimizing IT infrastructures
✔ Strong security focus – Ensuring system stability & compliance
✔ Efficient automation – Using Python, PowerShell & Bash scripting
VMware vSphere
NGINX
Ubuntu
Microsoft IIS
System Administration
Windows Server
CentOS
Apache HTTP Server
SSL
Web Server
Firewall
TLS1.2
Security Testing
Linux System Administration
DevOps
Docker
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