Hire the Best BizTalk Server Specialists

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Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Giorgi J.

Tbilisi, Georgia

$20/hr
5.0
20 jobs

Linux server breaks at 3am? Emails going to spam? I fix Linux servers fast and find the root cause so it doesn't come back. Postfix, DKIM/SPF/DMARC, Nginx, VMware/Veeam, DNS — 6+ years, LPIC-2 certified. Specializing in Linux system administration and Linux server administration across all major distributions. What I work on: Linux Administration — Ubuntu, Debian, CentOS, AlmaLinux, Rocky Linux, RHEL — Server hardening, firewall (iptables/UFW/fail2ban), SSH lockdown, SELinux — LVM storage management, disk partitioning, filesystem tuning — Bash scripting, cron automation, system monitoring Mail Server & Email Deliverability — Postfix, Dovecot, Docker-based mail stacks — DKIM, SPF, DMARC configuration and troubleshooting — Email delivery to Gmail/Outlook, blacklist removal, spam reputation fixes — DNS records: MX, A, PTR, TXT — full mail infrastructure setup DNS & Network Infrastructure — BIND, Cloudflare, cPanel/WHM DNS management — Zone file configuration, propagation troubleshooting — Reverse DNS, domain migrations, SSL/TLS (Let's Encrypt, Certbot) VMware & Backup — VMware ESXi, vSphere administration — Veeam Backup & Replication — backup jobs, restore, DR planning — Proxmox VE, VM provisioning and migration Web Server & Database — Nginx, Apache — virtual hosts, reverse proxy, SSL termination — MySQL, MariaDB — installation, tuning, user management — Docker, Docker Compose — containerized service deployment Recent Upwork results: ✓ Set up Docker-based open-source mail server from backup — completed in 2 days ✓ Configured VPS mail server with DKIM/SPF/DMARC for Gmail delivery — 5★ ✓ Migrated multiple websites to Cloudflare Pages across GoDaddy/Hostinger/GitHub ✓ Active Directory migration Windows Server 2008 R2 → 2019 — 5★ ✓ "Giorgi is that guy that finds a solution to your problem" — client review Available for one-time fixes, full server setups, and ongoing maintenance contracts. Send me your setup details and I'll respond within a few hours.

  • Linux System Administration
  • System Administration
  • DNS
  • Email Deliverability
  • NGINX
  • MySQL
  • Bash
  • VMware vSphere
  • Veeam
  • Postfix SMTP Server
  • Docker
  • SSL
  • Ubuntu
  • CentOS
  • Debian
  • Linux
  • MariaDB
  • MongoDB
Mohamed S.

Alexandria, Egypt

$8/hr
4.6
60 jobs

I'm an Certified DevOps Engineer with 7+ years of experience helping businesses build, migrate, secure, and scale cloud infrastructure, Linux servers, and web hosting environments. I've successfully completed 200+ projects for startups, SaaS companies, agencies, and hosting providers, delivering reliable infrastructure, DevOps automation, server optimization, and professional technical support. Whether you need a DevOps Engineer, Linux Administrator, WHMCS Expert, or Hosting Support Engineer, I provide production-ready solutions with fast communication and long-term reliability. ☁️ Cloud Platforms ✅ AWS (Solutions Architect & CloudOps Certified) ✅ Microsoft Azure ✅ DigitalOcean ✅ Vultr ✅ Hetzner ✅ Oracle Cloud ✅ Google Cloud ✅ OVH ✅ Alibaba Cloud ⚙️ DevOps & Linux Administration 🐧 Ubuntu • Debian • AlmaLinux • CentOS 🐳 Docker • Kubernetes • Helm 🚀 CI/CD Pipelines ⚡ GitHub Actions • GitLab CI • Jenkins 🌐 Apache • Nginx 📈 Monitoring & Performance Optimization 🔒 Security Hardening 🔄 Infrastructure Automation 💾 Backup & Disaster Recovery 🌐 Hosting Infrastructure ⭐ WHMCS Development & Automation ⭐ Proxmox VE ⭐ Virtualizor ⭐ VMware ⭐ KVM ⭐ cPanel ⭐ Plesk ⭐ DirectAdmin ⭐ HestiaCP ⭐ CloudPanel ⭐ ISPConfig 🚚 Website & Server Migration 🔐 SSL, DNS & Hosting Configuration 📧 Email Infrastructure 📨 Google Workspace 📨 Microsoft 365 📨 Zoho Mail 📨 SMTP Configuration 📨 Email Migration 📨 Email Warm-up 📨 Deliverability Optimization 📨 DNS Records (SPF • DKIM • DMARC) 📨 Mail Server Setup & Troubleshooting 📨 Email Security & Anti-Spam 💻 Development ⚡ PHP ⚡ Laravel ⚡ Node.js ⚡ Next.js ⚡ Flutter ⚡ WordPress 🎧 Technical Support 💬 Hosting Support Agent 🎫 Live Chat & Ticket Support 🛠️ L1 • L2 • L3 Technical Support 🚑 Incident Response & Troubleshooting 🤝 Customer Success & Technical Consulting ⭐ Why Clients Hire Me 🏆 AWS Certified Professional 🏆 7+ Years of Industry Experience 🏆 200+ Successfully Delivered Projects 🏆 WHMCS & Hosting Infrastructure Specialist 🏆 Fast Response & Clear Communication 🏆 Reliable Long-Term Technical Partner 🏆 Security, Performance & Automation Focus 🚀 I Can Help You With ✨ Cloud Infrastructure (AWS, Azure & More) ✨ DevOps & CI/CD Automation ✨ Linux Server Administration ✨ WHMCS Installation & Custom Development ✨ Hosting Company Operations ✨ Proxmox & Virtualization ✨ Website & Server Migration ✨ Email Infrastructure & Deliverability ✨ WordPress Performance & Security ✨ Malware Removal & Recovery ✨ Server Monitoring & Optimization ✨ Ongoing Technical Support Let's build secure, scalable, and reliable infrastructure that keeps your business running 24/7.

  • System Administration
  • Computer Network
  • Network Engineering
  • Computing & Networking
  • cPanel
  • WordPress
  • Web Hosting
  • Windows Server
  • Linux
  • WHMCS Development
  • WooCommerce
  • Shopify
  • AWS Server Migration
  • Domain Name
  • Cloudflare
Denis V.

Herceg Novi, Montenegro

$35/hr
4.9
704 jobs

I'm a proficient Linux Server Administrator and PHP/Python programmer with over 15 years of experience. My expertise extends to web hosting, cloud, cluster, DevOps and blockchain technologies. Throughout my career, I have worked with numerous hosting providers and have gained extensive experience in addressing vulnerabilities, viruses, spam detection, server optimization, and server software optimization. As a DevOps professional, I collaborate with various companies with developer teams ranging from 1 to 50. I have extensive experience in automating infrastructure, implementing CI/CD pipelines, managing cloud environments (AWS, Azure, GCP), and ensuring system reliability and scalability. Below are my general skills: * Blockchain platforms: Bitcoin, Tron (TRX, USDT), Ethereum (ETH, USDT, USDC), XRP (full node & API) * DevOps: GitLab, GitHub, Azure DevOps. Project support, CI/CD * Optimization of Google Pagespeed, Magento, WordPress, ODOO, Mautic, Drupal, Joomla, Bitrix, Bitrix24, and other CMS * Operating Systems: Debian, Ubuntu, CentOS, Rocky Linux, AlmaLinux, RedHat, CloudLinux, Gentoo, FreeBSD (administration, configuration, audit, optimization) * Software Configuration Management: Salt, Ansible * Web servers: Nginx, Apache, LiteSpeed (installation, configuration, optimization) * Database servers: MySQL, PostgreSQL, MariaDB, Percona, MongoDB (installation, configuration, optimization, profiling, cluster creation) * Mail servers: Exim, Postfix, Sendmail, Zimbra, Qmail, Dovecot + Spamassassin, ClamAV * Webhosting Administration Panels: cPanel / WHM, Plesk, aaPanel, Proxmox, CyberPanel, VestaCP, HestiaCP, ISPManager, Billmanager, ISPConfig, DirectAdmin, Webmin * Monitoring: Zabbix, Wazuh, Munin, Nagios, Icinga * Amazon: AWS setup or Amazon tools * Virtualization: Proxmox, OpenVZ, XEN, KVM, VMWare, VirtualBox, Docker * Load balancing via: HAproxy, Nginx, Pingora, ProxySQL, PowerDNS, BIND, Route53, Alibaba Cloud DNS * System Backup and Restore automation * Removal of viruses and malicious software * Network services: DNS (Bind, PowerDNS), VPN (MPD, PPTPD, OpenVPN), firewalls (iptables, ipfw), file server (samba3/4), proxies (Squid, 3proxy, Privoxy, Nginx), DRBD, Ceph, GlusterFS, lsyncd * FTP: Vsftp, Pureftp, Proftpd Thank you for viewing!

  • MySQL
  • PHP
  • NGINX
  • DevOps
  • Ubuntu
  • System Administration
  • Database Administration
  • CentOS
  • Debian
  • cPanel
  • Plesk
  • Apache Administration
  • Blockchain
  • Web Hosting
  • Linux System Administration
Vipin G.

Jaipur, India

$15/hr
4.5
104 jobs

IT Expert with 8+ years of experience in Managing Windows and Linux-based server infrastructures, Network security and administration, and software solutions. Here are some major services on which I am working: ☑️- Server Administration : ✔️ Windows server : Intune , ADDC, DNS, DHCP, WSUS, Group Policy Management, RDP Server, WDS Server, IIS Server, MS Exchange Server, MS SharePoint, MS Office 365, MS One Drive, MS Teams, File Server (NAS & SAN) , FTP, NTP and many more ✔️ Linux Server : SAMBA ADDC LDAP, SAMBA File Server, DNS, DHCP, Mail Servers (Zimbra, PMTA, Send grid, Squirrel mail, Roundcube). Web Servers (Tomcat, apache, nginx, light speed), MySQL, MariaDB, Postgres, FTP, NTP, Ticketing tools (Manage engine, OS ticket, OTRS Ticket, Citrix XenApp, JIRA, Service now), Monitoring Tools ( Check_mk, Syslog, Nagios, Cacti, ELK Stack, Zabbix, PRTG), IDS Server ( OSSEC, WAZUH, SNORT, Suricata, BRO, Tripwire, Security Onion), DLP/Encryption/ Threat Prevention Server ( Symantec, Sophos, McAfee), Threat Intelligence server (MISP, Mitre, OpenCTI), The Hive with Cortex, ArcSight Server, Dialer Server ( VCdialer, go autodialer, ViciBox, Altitude Dialer), Virtaul Hypervisor ( VMware ESXi, Proxomox, Virtual Box, VMware Workstation), GenieACS TR-069 remote management server, Vulnerability Assessment Scanner Tools (OpenVAS, Nessus Professional, Wireshark, Comodo cWatch, Tripwire IP360) , SonarQube Code analysis Tool, NXfilter URL Filtering tool and Many More.. ☑️- Network Administration: Key Network Skills & Security Products Experience: o Firewall – Checkpoint, Cisco ASA, Palo Alto, Fortigate, Sophos, o Router & Switches : Cisco, Mikrotik, Ubiquiti, Netgear, Aruba o Intrusion Detection & prevention – Cisco, Checkpoint, Sophos o Switching: Vlan, Inter Vlan, Stp, Vtp, EtherChannel, Switch Port o Configuration and troubleshooting of routing protocols OSPF, RIP, EIGRP, BGP o Setup of security implementations (Filtering Tool ACL, route map, port security.) o Well versed in the operations, configuring, and troubleshooting of various issues in Checkpoint and Cisco, Mikrotik, Ubiquiti, Netgear & and Aruba Devices. o Checkpoint IPSec VPN Blade, Application & URL filtering Blade, IPS Blades, o Configuration & troubleshooting of IPSEC and S2S VPN ☑️- Information Security I help organizations stay compliant with all the important standards like PCI DSS, HIPPA, ISO 27001, GDPR, FISMA, and GLBA. In addition to these compliances, I also help companies with Information Security Assessments and Penetration and vulnerability Testing for identifying loopholes in their security infrastructure and BCP/DR consulting for building programs to stay ahead of future security incidents. ☑️- Cloud Solutions: I Help organizations to deploy their services on AWS, GCP, and Microsoft Azure cloud & Freshservices. Projects not for me: ✖Asking to hack/crack/access someone else accounts, systems, social media, etc

  • Network Security
  • Network Administration
  • Managed Services
  • Amazon Web Services
  • Microsoft Azure
  • Technical Support
  • Linux System Administration
  • Remote IT Management
  • Security Management
  • Google Workspace Administration
  • Freshworks CRM
  • Microsoft Server
  • Microsoft Certified Information Technology Professional
  • Microsoft Endpoint Manager
Udantha C.

Kaduwela, Sri Lanka

$55/hr
4.6
264 jobs

Hi, I’m Udantha 👋 — a Systems Engineer & DevOps/Hosting Specialist with 7+ years of hands-on experience in: Linux system administration WordPress troubleshooting Docker deployments CloudPanel / Plesk / cPanel hosting Server migrations & backup recovery Virtualization & Cloud Operations DNS, Email (DKIM/DMARC/SPF), SSL, and security hardening MySQL/MariaDB performance tuning Website performance optimization Cloud deployments on AWS / DigitalOcean / Linode I specialize in fixing broken systems, optimizing slow servers, and performing clean, zero-downtime migrations—the kind of work where precision matters. Clients hire me for tasks that need someone who can quickly diagnose, clean up, and stabilize complex environments: 🛠 I Can Help You With: Server security hardening & performance tuning Database fixes, recovery, and replication Cloud server setup (Ubuntu, Debian, Rocky, Alma) Fixing DNS, email deliverability & hosting issues Restoring crashed websites (Digital Ocean, AWS, Google, IONOS, Bluehost, SiteWorx, etc.) WordPress errors, migrations, malware cleanup Web servers such as Nginx / Apache SSL configurations Docker Configurations Backup strategy design (Acronis, B2, rsync, S3, Plesk backup) ⚡ Why Clients Like Working With Me I solve problems fast I provide clean documentation after every job I communicate clearly and don’t overpromise I’ve rescued dozens of servers & websites from disaster If you're looking for someone reliable who can stabilize your servers, fix urgent issues, or manage complex migrations with zero drama — I’m available and ready to help. Let’s get your systems running smoothly again. 🚀

  • MySQL
  • SSH
  • Odoo
  • PfSense
  • VPN
  • NGINX
  • Cloudflare
  • Cisco Certified Network Associate
  • Ubuntu
  • HTTP
  • Red Hat Certified Engineer
  • Web Server
  • CentOS
  • DigitalOcean
  • AWS CloudFront
Jhonatan D.

Sao Paulo, Brazil

$10/hr
5.0
3 jobs

Result-oriented IT Infrastructure professional with over 4 years of experience managing and stabilizing complex environments. Currently, I serve as a Technical Support Analyst at World Tecnologia, where I proactively monitor and manage systems using Zabbix, RMM, and MSP Manager . My expertise includes: - Server Administration: Full setup and maintenance of Windows Servers and virtualization using Hyper-V . - Networking & Security: Practical experience with MikroTik, routing, switching, and firewall configuration. - Infrastructure Strategy: Recently designed and implemented a TrueNAS Scale NAS server from scratch, featuring RAID 1 redundancy and secure remote access via Tailscale/WireGuard. - Identity Management: Proficient in Active Directory administration to ensure secure and organized team access. I am dedicated to ensuring zero downtime and high-level security for your business operations. Let’s talk about how I can stabilize and scale your IT infrastructure.

  • Front-End Development
  • Front
  • HTML
  • CSS 3
  • JavaScript
  • Bootstrap
  • Python
  • Oracle PLSQL
  • IT Infrastructure
  • Network Administration
  • Microsoft Visual Studio
  • Cisco
  • Zabbix
  • Windows Server
  • Microsoft Active Directory

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At A Glance: BizTalk Server

Ever at the forefront of the quickly evolving tech industry, Microsoft has consistently produced innovative products, such as Microsoft BizTalk, that make even complex tasks simple. Microsoft BizTalk is an integration platform offered through Microsoft Azure, a flexible, enterprise-grade cloud computing platform preferred by many industry professionals. Cloud computing is the way of the future, allowing users to easily save data without overbearing their devices, organize and share data and information, and connect various apps within one easily accessible space. WIth Microsoft BizTalk, users are able to integrate disparate applications and heterogeneous data in order to more effectively handle aspects of business such as supply chain management, payment processing, business-to-business EDI, reporting, and real-time decision-making. A Microsoft BizTalk Server specialist can help you take advantage of all that BizTalk has to offer, and give your business a leg up in today’s competitive business world.

On Upwork, you’ll be able to post your Microsoft BizTalk project for free, and peruse numerous profiles of talented and tech-savvy professionals. The majority of these skilled freelancers have worked extensively with BizTalk, including the most recently released 2013 server. These experts are highly knowledgeable in a number of areas, such as development, analysis, and administration. They can assist you in every facet of BizTalk usage, including administration, access control, performance optimization, management, backup and restoration, purging databases, archiving data, and application deployment. On Upwork’s global marketplace, you’ll have no trouble finding a BizTalk professional whose expertise, schedule, and rates are well-suited to your project needs.