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!
Linux System Administration
Linux
DevOps
Virtualization
Web Hosting
Hosting Setup
Proxmox VE
Apache HTTP Server
DNS
MySQL
Squid
Zabbix
SSL
VPN
NGINX
cPanel
Virtual Private Server
Postfix SMTP Server
WordPress
Website Migration
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
AWS Fargate
Microsoft Azure Administration
CI/CD
Jenkins
GitHub
Md Imran A.
Dhaka, Bangladesh
$40/hr
5.0
128 jobs
Cloud Infrastructure and Platform Engineering professional with extensive experience in designing, deploying, and managing enterprise-scale cloud platforms and mission-critical infrastructure. Expertise in OpenStack, Kubernetes, virtualization, software-defined storage, Linux, automation, and cloud networking.
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:
✅ Virtualization & Cloud: OpenStack, Proxmox, Docker, Kubernetes, KVM, AWS
✅ Storage: Ceph, TrueNAS, ZFS, GlusterFS, iSCSI, NFS
✅ Cloud Networking: OVN, OVS, VXLAN, VPN, Load Balancers, Firewalls, GSLB
✅ Automation & DevOps: Ansible, Bash, Terraform, Git, CI/CD
✅ Monitoring & Observability: Zabbix, Prometheus, Grafana, Alertmanager, Node Exporter, ELK
✅ Infrastructure Services: DNS, NTP, Mail Systems, Web Servers, cPanel/WHM
✅ VoIP: Asterisk, FreePBX, Vicidial, Voice Gateway, SS7 Media Gateway
Zimbra Administration
Virtual Private Server
VICIDIAL
Linux System Administration
VoIP Administration
FreePBX
Elastix
Asterisk
Exim
IPv6
Dovecot
DevOps
Kubernetes
Jan A Alom B.
Dhaka, Bangladesh
$10/hr
5.0
4 jobs
* 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
Linux
Windows Server
System Administration
Microsoft Azure
Network Administration
cPanel
Microsoft Outlook
Cloud Management
Linux System Administration
DNS
Email
Zimbra Administration
Amazon EC2
Red Hat Certified Engineer
Proxmox VE
Atikul H.
Dhaka, Bangladesh
$15/hr
5.0
7 jobs
I have 9+ years of experience in Linux/Windows Server/System Administration, System Security Analysis and hardening, Virtualization (VMware, Proxmox, Hyper-V) Management, Website, Cloud Server, Video Streaming Server, Database System performance optimization for speed, CDN, Email System, Anti-SPAM and DNS Administration.
Skills:
- Virtualization Platforms: VMware, Proxmox, OpenStack, OpenNebula, Xen, KVM, LXC, Docker
- Cloud: AWS, DigitalOcean, Google Cloud, AliBaba Cloud, Microsoft Azure Cloud
- Performance Optimization: Linux OS, Apache, Nginx, MySQL, MariaDB, Website, WordPress
- Expertise in security solutions like Firewalls, Anti-Spam Solutions, VPN (OpenVPN, WireGuard, OpenConnect, WebSock), Security Gateways, IDS/IPS (Suricata, Snort, pfSense, OPNsense, Palo Alto, SOPHOS UTM).
- Expert in Email Servers and Anti-Spam Gateways (Postfix, Exim, Barracuda, Zimbra, Proxmox Gateway, SOPHOS)
- Disaster Recovery, DLP, Data Backup solutions.
- Database Administration and tuneup for higher performance & query.
- Knowledge in IP-PBX, VoIP, WebRTC, RTMP, Wowza
- BigBlueButton & Scalelite Custom Video Conferencing, Video streaming solutions with LMS integration.
- Expertise in WordPress, Website Performance/Security Optimization.
- Hosting Control Panels: cPanel, VestaCP, DirectAdmin etc.
- Knowledge of Cross-platform mobile app development using React-Native.
- Desktop software development using Java and React-Native-Windows
- Integrate any hardware with software using SDK (Java, PHP)
I can adapt myself with new technology, products as per company needs. I can develop new products and drive excellent growth and positive revenue.
I'm fluent/native in the English language.
I'll deliver your project on time with quality and excellence.
MySQL
PHP
Amazon Web Services
Windows App Development
Linux
System Administration
Google Cloud Platform
Java
JavaFX
VPN
MikroTik RouterOS
WordPress Optimization
Database Optimization
WordPress Migration
SMTP
Md Shafail S.
Dhaka, Bangladesh
$40/hr
5.0
153 jobs
Hi, I'm Shafail Shafa.
I've been work as freelance web developer and Linux system administrator for more than 12 years.
I specialize in phpBB forum software and WordPress sites.
My phpBB experience includes, customization, modification and complete custom theme and extension development.
My WordPress experience includes maintenance , site builds, error fix, customization, security and malware removal, hacked site recovery etc.
Linux server admin tasks includes: Linux server maintenance, configuration, hardening, security for web and DNS server, email server and application server.
I also do website and email migration or transfer from one host to another, including DNS configuration and SSL setup.
Let me know what you need, we can discuss further if needed.
System Administration
Apache HTTP Server
Linux
Linux System Administration
SSH
WordPress
phpBB
RESTful API
LAMP Administration
Web Development
CodeIgniter
Website Redesign
MySQL
PHP
LAMP Stack
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