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Chinmoy B.
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Chinmoy B.

Windows, Linux & Network Expert | VMware, Hyper-V & Proxmox

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

🇧🇩Dhaka, Bangladesh$30/hr100% JSS4.32 (16)Since Apr 2014

Earnings and projects

MRR
$823

Last 6 months ÷ 6

World#56,748 / 412k
🇧🇩Country#1,207 / 15.0k
Revenue, last 30 days
$886

Last 6 months: $4.9k

World#46,499 / 412k
🇧🇩Country#1,001 / 15.0k
Total earnings
$24k

Billed in all: $26k

World#126,432 / 412k
🇧🇩Country#3,834 / 15.0k
Per project
$689

$988 in the last 6 months

World#154,187 / 412k
🇧🇩Country#3,167 / 15.0k
Projects, last 6 months
5
0% fixed100% hourly
World#41,746 / 412k
🇧🇩Country#2,334 / 15.0k
Projects in all
35

Across 40 contracts

35% fixed65% hourly
World#85,277 / 412k
🇧🇩Country#6,094 / 15.0k

Earnings, last 30 days

$25.5k+$886 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$24.5k$25.0k$25.5k$26.0kOct 8Oct 23Nov 7

Skill rankings: Top 9% in SSL

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