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
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
Mahfuzul I.
Dhaka, Bangladesh
$60/hr
4.9
72 jobs
22+ years in the telecommunications and Software industry from design, development, management, delivery, and lead. Vast experienced focused on solution customization for Cloud Telecommunication System. Specialist in Communication System like Core GSM, IP, SIP, WebRTC, SS7, Radius, Diameter, SMPP, XMPP, SNMP, Sockte, RabbitMQ Message Broker, Software Defined Radios (SDR), and IoT.
Also capable to develop and deliver any communication-related solution.
SNMP
Tech & IT
Product Development
Blockchain
Diameter
FreeSWITCH
Telecommunications Engineering
SMPP
API Development
Project Management Professional
RADIUS
RabbitMQ
System Administration
GSM
Socket Programming
XMPP
Internet of Things Solutions Design
SOAP
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
Toufik H.
Dhaka, Bangladesh
$50/hr
4.9
107 jobs
I have over 12+ years of practical working experience in VPN (Openvpn, IPSec, PPTP, IPSec/L2TP), Networking (Cisco Nexus, ISE, Juniper, Mikrotik, Ubiquiti) firewall (Sonicwall, Watchguard,Fortigate, Sophos, checkpoint, ASA, Palo Alto), Cloud system (AWS, Digital Ocean, Azure), WAF (F5), Cisco ISE, Mail server (SPF,DKIM,DMARC records) and troubleshooting.
Apart of that have working experience on Azure sentinel, 365 Defender, Defender for Cloud, Nessus
Also I am holding the following vendor certification
1. Cisco Certified Network Associate
2. Red Hat Certificate of Expertise in Server Hardening
3. Red Hat Certificate of Expertise in Server Hardening
4. Red Hat Certified Virtualization Administrator - (RHCVA)
5. Red Hat Certified Engineer (RHCE)
6. Red Hat Certified System Administrator (RHCSA)
7. Red Hat Certified System Administrator in Openstack
8. ISC2 - Certified in Cybersecurity Certification
9. AWS Certified Solutions Architect - Associate
I am interested to work on any project related to VPN, Network and cloud Security, Cisco, VoIP, Asterisk, FreePBX, Elastix, IP Networking, Firewall, Linux system administration, and network/server troubleshooting.
Cisco ASA
Web Proxy
Cisco ISE
Firewall
VPN
Network Security
OpenVPN
Cisco ACI
Palo Alto Firewalls
F5, Inc.
Information Security
Asterisk
FortiGate Firewall
Amazon Web Services
Anwar H.
Dhaka, Bangladesh
$35/hr
4.3
35 jobs
I am a highly skilled network troubleshooter with 10+ years of experience in the networking and security field. As a certified CCNA, CCNP (Enterprise & Security), CCSA, NSE4, MTCRE, and MTCNA professional, I specialize in custom project-based solutions that enhance network performance, security, and scalability.
I have hands-on experience in Banking, Corporate, Garments networks, Security Projects, and Managed Service Providers (MSPs), delivering high-quality, reliable, and detail-oriented solutions tailored to business needs.
Key Skills & Expertise:
✔ Network Troubleshooting & Optimization
✔ Routing Protocols – BGP, OSPF, EIGRP, RIP
✔ Switching Technologies – VLAN, STP, PVST, VTP, LACP, PAgP, Bridge
✔ Security & Firewalls – Cisco FTD, Checkpoint, FortiGate, Sophos
✔ VPN Solutions (Multi-Vendor) – IPsec, GRE, L2TP, PPTP, IPIP, EoIP, PPPoE
✔ Access Control (ACLs) – Cisco Routers & Switches
✔ Wireless & LTE – Channel Bonding, MIMO, WDS, Mesh Networks
✔ QoS & Traffic Optimization – FIFO, RED, SFQ, PCQ
✔ MikroTik Expertise – Load Balancing, Failover, Bandwidth Management, Web Proxy, DHCP, PCC/PBR Routing, Static NAT/PAT, SNMP, Scripting
Professional Certifications:
🏆 Fortinet Network Security Expert (NSE4)
🏆 Checkpoint Certified Security Associate (CCSA)
🏆 Checkpoint Certified Security Expert (CCSE)
🏆 Palo Alto Networks Certified Network Security Engineer (PCNSE)
🏆 Cisco Certified Network Professional (CCNP-Security & CCNP-Enterprise)
🏆 Cisco Certified Specialist - Enterprise Core
🏆 Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation
🏆 Cisco Certified Network Associate (CCNA) (Cisco-ID: CSCO13422865)
🏆 MikroTik Certified (MTCNA, MTCRE)
I am committed to delivering top-tier network security and performance solutions with a dedication to excellence. Let’s collaborate to take your network infrastructure to the next level!
MikroTik RouterOS
Sophos Sophos UTM
FortiGate Firewall
Cisco Meraki
MikroTik
VPN
Network Administration
PfSense
Palo Alto Firewalls
Cisco IOS
Cisco Firepower Threat Defense
Cisco ASA
Cisco Router
Mikrotik RouterBOARD
Cisco ISE
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