Helping businesses simplify and secure their IT environments using Microsoft 365 and virtual desktop solutions.
With over a decade of experience, I specialise in designing, deploying, and managing Microsoft 365, Azure Virtual Desktop (AVD), and Citrix environments — with a strong focus on performance, security, and cost-efficiency. I also have deep expertise in Citrix NetScaler (ADC) to ensure high availability, secure access, and optimised traffic management.
I work with SMB and enterprise clients across the UK, US, and international markets, with experience supporting managed services, professional services, and healthcare.
Services I Offer:
• Microsoft 365 Solutions for businesses
• Citrix Virtual Apps and Desktops deployment and optimisation
• Azure Virtual Desktop (AVD) design, rollout, and support
• Nerdio Manager for Enterprise & MSP configuration and cost control
• Citrix NetScaler (ADC) setup – including Gateway, Load Balancing, and SSL VPN
• Hybrid environments – integrating on-prem with Azure
• FSLogix configuration and storage optimisation
• Secure remote access, MFA, and identity integration with Azure AD
• Troubleshooting, health checks, and performance tuning
About Me:
• 10+ years of hands-on experience
• Microsoft, Citrix, and Nerdio certified
• Practical expertise across both cloud and on-prem environments
• Strong communication and a client-focused approach
• UK-based and flexible with international time zones
Let’s connect to discuss how I can help streamline and secure your virtual desktop infrastructure.
Office 365
Citrix Virtual Apps & Desktops
VMware vSphere
Microsoft Active Directory
Microsoft Windows
System Administration
VMware ESX Server
Citrix
Managed Services
Virtual Desktop Infrastructure
Citrix ADC
SSL
Microsoft Exchange Online
Technical Support
Microsoft Azure
Islam M.
Alexandria, Egypt
$10/hr
5.0
2 jobs
I am a Senior System & Infrastructure Engineer with hands-on experience in designing, implementing, and managing enterprise IT infrastructure across both Windows and Linux environments. My expertise includes Microsoft 365 administration, Active Directory, Microsoft Entra ID (Azure AD), virtualization, cloud infrastructure, networking, and cybersecurity best practices. I manage on-premises and cloud servers, administer Docker-based applications, implement backup and disaster recovery solutions, and ensure high availability, performance, and security of critical business systems. I have extensive experience with VPN solutions, DNS and domain management, SSL certificates, email systems, and server monitoring. Additionally, I collaborate closely with development and business teams to deploy, maintain, and optimize business applications, automate routine IT operations, and troubleshoot complex infrastructure issues. I am committed to delivering reliable, secure, and scalable IT solutions while continuously improving operational efficiency through modern technologies, automation, and industry best practices.
Database
DevOps
Architecture
Virtualization
Proxmox VE
VMware ESX Server
Microsoft Azure
Linux System Administration
Red Hat
Microsoft Active Directory
ERP Software
Security Infrastructure
Domain Name
Cloudflare
Hosting Setup
Cloud Migration
Jagat Jeet K.
Bhubaneswar, India
$20/hr
5.0
8 jobs
I help businesses manage, secure, and troubleshoot Microsoft 365, Intune, Entra ID, Exchange Online, Outlook, SharePoint, OneDrive, and endpoint environments with a focus on stable operations, secure access, and fast issue resolution.
I currently serve as an IT Administrator supporting India and USA operations, handling user lifecycle management, device compliance, email administration, identity and access control, server support, and security operations.
My recent Upwork work includes Microsoft Intune device management, Microsoft 365 administration, GoDaddy+ Microsoft 365 DNS setup, shared mailbox troubleshooting, Exchange Online, Outlook support, SMTP authentication, SPF, DKIM, DMARC, and Microsoft 365 consultation work.
What I can help you with:
• Microsoft 365 Administration
User management, licensing, admin roles, Exchange Online, Teams, OneDrive, SharePoint, and tenant setup or troubleshooting.
• Exchange Online & Outlook
Mailbox issues, shared mailboxes, Outlook errors, SMTP authentication, mail flow, email access problems, and practical Exchange Online administration.
• Intune & Device Management
Windows device enrollment, compliance policies, app deployment, endpoint security configuration, and device troubleshooting.
• Entra ID & Access Control
MFA, Security Defaults, Conditional Access review, SSO, user lifecycle management, SCIM provisioning, and access troubleshooting.
• Email & DNS Configuration
MX, SPF, DKIM, DMARC, GoDaddy, Cloudflare, cPanel, Google Workspace, Microsoft 365 email setup, and mail flow troubleshooting.
• Endpoint Security
Microsoft Defender setup, security policy configuration, alert review, device protection, and basic Microsoft 365 security hardening.
• SharePoint & OneDrive
Document access, sync issues, permissions, cleanup, library structure, and basic migration planning.
• Windows Server & AD Support
Active Directory, Group Policy, permissions, Windows Server troubleshooting, and user/ device support.
• Network & Firewall Support
FortiGate firewall configuration, VPN setup, DNS checks, and basic network troubleshooting.
Information Security
System Administration
Compliance
Windows 11 Administration
Windows Server
Microsoft Azure Administration
Microsoft Intune
Windows Administration
Security Operation Center
Security Patch Installation
Antivirus & Security Software
Server Administration
Microsoft Hyper-V Server
Veritas NetBackup
Single Sign-On
User Identity Management
Mobile Device Management
Microsoft Exchange Online
Office 365
GoDaddy
Abdus S.
Islamabad, Pakistan
$15/hr
5.0
22 jobs
Top Rated IT Infrastructure & Security Engineer with 700+ hours on Upwork and a 100% Job Success Score. I keep phone systems, firewalls, and servers running for small businesses and MSPs — so your team stays connected, protected, and productive.
What I do:
✔ IT Support & Helpdesk — remote troubleshooting, ticket handling (Tier 1–3), user onboarding/offboarding, printer and endpoint issues, and ongoing support contracts for businesses and MSPs
✔ 3CX VoIP — new deployments, V18→V20 migrations, SIP trunk configuration (Twilio, Broadvoice), IVR, queues, DID routing, integrations, and troubleshooting
✔ FortiGate firewalls — SSL-VPN setup for remote teams, firewall policies, split tunneling, secure remote access, and web filtering
✔ VMware virtualization — ESXi and vCenter administration, VM provisioning, migrations (P2V/V2V), performance troubleshooting, and host maintenance
✔ Backup & disaster recovery — Veeam configuration, backup health checks, and restore testing for VMware environments
✔ Infrastructure & Information Security — network segmentation (VLANs), firewall hardening, VPN security, access control, MFA rollout, patch management, and security best practices to protect your business data
✔ Microsoft 365 & Intune — tenant administration, Exchange Online, device enrollment, and MDM policies
✔ Networking — network design & deployments, troubleshooting, and network optimization
✔ Server administration — Windows Server, RHEL/Linux, Active Directory, and day-to-day IT support
How I work:
I follow ITIL-aligned practices — structured incident and change management, proper documentation, and root-cause fixes instead of quick patches. Fast response times, clear documentation after every job, and plain-English updates — no jargon, no disappearing mid-project. I've handled everything from single urgent fixes to long-term support contracts, and my clients keep coming back because things get done right the first time.
Let's talk:
Message me with your issue — I'll tell you honestly whether I can fix it, how long it will take, and what it will cost. No overselling, no surprises.
IT Support
Veeam
Microsoft Intune
Helpdesk
3CX
Office 365
Network Security
Technical Support
Customer Support
Windows Server
Ubiquiti
System Administration
Network Administration
VoIP
Firewall
VMware Administration
Red Hat Enterprise Linux
Disaster Recovery
Microsoft Active Directory
FortiGate Firewall
Vincent M.
Bangalore, India
$35/hr
5.0
22 jobs
15+ years of experience(Full time Freelancer) , 9 years specializing in designing, implementing, and managing cloud-based solutions with expertise in Azure Cloud, Intune, Microsoft Endpoint for defender, Entra ID and modern workplace (M365) setup. Proven ability to lead large-scale cloud migration projects, optimize enterprise infrastructure, and deliver innovative solutions that drive business performance.
Service offering :-
• Designing and deploying cloud infrastructure using Azure services (IaaS & PaaS) .
• Planning and executing the migrating on-premises applications and workloads to Azure cloud environment.
• Building automation platforms by utilizing infrastructure as code (Infrastructure-as-a-code) to provision, deploy and manage Microsoft Azure cloud infra.
• Implementing cost optimization strategies, leading to a reduction in monthly cloud expenses.
• Conducting a comprehensive assessment of the existing VDI environment and recommend suitable solution.
• Designed a new architecture for Azure Virtual Desktop, Citrix Cloud, Workspot, Horizon.
• I offer fully white-labeled IT and Cloud services, allowing you to provide end-to-end solutions to your clients while I operate in the background under your brand.
• Designing and configuring Intune solution to manage endpoint devices.
• Supporting Entra ID solution to manage the cloud based identities.
• setting up Microsoft endpoint for defender solutions.
• Configuring M365 solution i.e Outlook, Team, One Drive for middle scale to enterprise customers.
I also help global organizations establish and manage their IT infrastructure in India, Philippines location. ensuring a secure, scalable, and cost-effective setup aligned with international standards.
My services includes:
• Network design and implementation for office environments
• Desktop and laptop deployment and configuration
• Thin client setup and integration with VDI platforms
• End-to-end Virtual Desktop Infrastructure (VDI) design and deployment (Azure Virtual Desktop, Citrix, etc.)
• Setting up Intune for managing devices.
• IT infrastructure planning for new office setups or remote teams
Azure Infrastructure :-
Compute: Virtual Machines, App Services,
Networking: VNet, DNS, VPN Gateway, Private Link
Storage: Azure Blob, File Shares, Queue, Disks
Security: Azure AD, Key Vault, Microsoft Defender, RBAC, Conditional Access
Dev Tools: Azure DevOps, GitHub, Repos, Artifacts
I am certified in:
• Microsoft Certified: Azure Administrator Associate
• MCP on 70-270 (Installing, Configuring, and Administering Windows XP Professional) in the year of 2008
• MCP on 70-290 (Managing and Maintaining a Microsoft Windows Server 2003 Environment) in the year of 2008
• CCA Certified- XenServer
• CCA Certified -XenApp 6.5
• CCA Certified – XenDesktop 5.0
• CCAA-- XenApp6.5
• Citrix Certified on XenApp/XenDesktop 7.6 (CCA-V).
• Azure Virtual Desktop Specialty.
Feel free to reach out to me at any time!
Citrix Hypervisor
Windows Administration
Microsoft Azure
Service Cloud Administration
Cloud Computing
Azure App Service
Citrix ADC
Technical Support
VMware Administration
Microsoft Azure Administration
Cloud Migration
Cloud Engineering
Flavio Y.
Brighton, United Kingdom
$65/hr
5.0
11 jobs
🔹SENIOR NETWORK ENGINEER | NETWORK SECURITY, PRIVATE CLOUD & INFRASTRUCTURE🔹
Senior Network Engineer with 6+ years of experience designing, securing, and operating enterprise networks, private clouds, and IT infrastructure. I've built private clouds for clients of a global managed hosting provider with presence in 10+ data centers and over 2 Pbps of global uplink capacity, and delivered network and security solutions across a wide range of enterprise environments.
Whether you're designing new infrastructure from scratch, upgrading and modernizing an existing network, hardening your security posture, or migrating workloads to the cloud, I bring senior-level engineering with a focus on clean design, security, and long-term reliability.
🌐 Network Engineering & Design
Enterprise, data center, and multi-site network design and upgrades.
Routing: BGP, OSPF, EIGRP, IS-IS, MPLS, VXLAN
Switching: VLANs, STP, LACP, MLAG, VRRP, HSRP, QoS, EVPN-VXLAN fabric
Load Balancing: HAProxy, NSX-T, NSX-V
🔐 Network Security & Firewalls
Vendors: Fortinet (FortiGate), Palo Alto, Juniper SRX/vSRX, Sophos (UTM, XGS), SonicWall, Zyxel, pfSense, OPNsense
Services: NGFW rules, NAT, segmentation, IPS/IDS, DDoS mitigation, Zero Trust
☁️ Private Cloud & Virtualization
Hypervisors: VMware (ESXi, vCenter), Proxmox, Hyper-V, KVM, Xen
Virtual networking & security: VMware NSX-T / NSX-V, pfSense, OPNsense, Sophos
🌩️ Cloud & Hybrid Networking
AWS: VPC, Transit Gateway, Site-to-Site VPN, Security Groups, hybrid connectivity
Also experienced with Azure, Vultr, DigitalOcean, Linode
🔗 VPN & Secure Remote Access
IPsec, OpenVPN, WireGuard, SSL VPN, GRE, L2TP, DMVPN, SD-WAN
Enterprise VPNs, hybrid cloud connectivity, secure remote workforce
📡 UniFi / Ubiquiti Deployments
UniFi network design and deployment for offices and multi-site businesses
UniFi switches, access points, gateways, Dream Machine
🧰 Vendors & Platforms
Cisco (Catalyst, Nexus, Meraki, ISR, ASR), Juniper (MX, vMX, EX, QFX, SRX), Huawei (CloudEngine), Fortinet, Palo Alto, Sophos, SonicWall, Zyxel, Ubiquiti/UniFi, VMware
⚙️ Automation, Monitoring & Documentation
Automation: Python (Netmiko, NAPALM), Ansible, Terraform, REST APIs
Monitoring: PRTG, Grafana, LibreNMS, Zabbix, Cacti, FastNetMon
Documentation & IPAM: NetBox, phpIPAM
🐧 Linux
Ubuntu, Debian, CentOS, FreeBSD, OpenBSD
📜 CERTIFICATIONS
Cisco: CCNP, CCNA
💼 SERVICES
• Network Design & Optimization (Enterprise, Data Center Fabric, Private Cloud)
• Firewall & Security Hardening (NGFW, IPS/IDS, Zero Trust)
• Private Cloud Build & Migration (VMware, Proxmox)
• Cloud & Hybrid Networking (AWS VPC, Transit Gateway, Site-to-Site VPN)
• VPN & Secure Remote Access (IPsec, SSL, SD-WAN, WireGuard)
• UniFi Network Design & Deployment
• Network Troubleshooting & Performance Tuning
• Network Automation & Monitoring (Ansible, Python, APIs)
Network Engineering
Computer Network
Computing & Networking
Virtualization
VMware Administration
VMWare
DevOps
Juniper
Firewall
Cisco
VMware NSX
VMware ESX Server
VMware vSphere
Ubiquiti
Fortinet
Hosting Setup
Cloud Security
Cloud Migration
Cloud Architecture
IT Infrastructure
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