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LINUX SYSTEM ADMINISTRATOR | DOCKER | ZABBIX | WAZUH | OTRS | GLPI | Jump Server | Grafana | Snipe-IT | MySQL | MariaDB | CMDB | Open-Source Tools Experienced Linux System Administrator / Linux Server Engineer specializing in Linux server administration, system troubleshooting, infrastructure monitoring, cybersecurity, DevOps, Docker, networking, databases and open-source technologies. I help businesses deploy, configure, secure, monitor, troubleshoot, migrate and maintain reliable IT infrastructure and production servers. 🐧 LINUX SYSTEM ADMINISTRATION • Ubuntu, Debian, RHEL, CentOS, Rocky Linux, AlmaLinux • Linux server installation, configuration and migration • SSH, users/groups, permissions, sudo, systemd • Package/repository management, services and processes • Bash scripting and automation • Disk, filesystem, LVM and storage management • Server hardening and security • Log analysis and troubleshooting • Performance optimization • Backup, recovery, High Availability (HA) and Disaster Recovery (DR) 🐳 DOCKER & DEVOPS • Docker & Docker Compose • Container deployment and troubleshooting • Docker networking, volumes and images • Kubernetes & Helm • Ansible automation • Jenkins & CI/CD • Git & GitHub • Bash/Python automation • Deployment and infrastructure automation 📊 MONITORING & OBSERVABILITY Strong hands-on experience with open-source monitoring platforms. Zabbix: Server/Agent/Proxy deployment, templates, items, triggers, discovery, auto-registration, dashboards, alerting, notifications, SLA monitoring, Linux/Windows/server/network/database monitoring and troubleshooting. Grafana: Dashboards, visualization, Zabbix integration, infrastructure monitoring and alerting. Also experienced with Prometheus, Node Exporter, Elasticsearch, OpenSearch and Kibana. 🔐 CYBERSECURITY & SIEM Experience deploying and managing Wazuh SIEM and open-source security solutions: • Wazuh Manager, Agent, Indexer & Dashboard • Security monitoring and log analysis • File Integrity Monitoring (FIM) • Vulnerability detection • Custom Wazuh rules and decoders • Syslog and Windows/Linux event monitoring • Security alerts and active response • IDS/IPS and SIEM • Elasticsearch/OpenSearch • Security Onion and Elastic SIEM • SSH/server hardening • Firewall and VPN security 🌐 WEB, NETWORK & SERVER INFRASTRUCTURE • Nginx & Apache • Reverse proxy and SSL/TLS • DNS, DHCP, TCP/IP, VLAN, NAT and routing • Cisco, MikroTik and FortiGate • OpenVPN, WireGuard and Squid • FTP/SFTP, SMTP and web services • cPanel / WHM • Network and connectivity troubleshooting 🗄️ DATABASE ADMINISTRATION Linux-based installation, configuration, monitoring and troubleshooting of MySQL, MariaDB, PostgreSQL and MongoDB, including users/permissions, backup/restore, replication, performance monitoring and database connectivity. ☁️ CLOUD & VIRTUALIZATION Experience with AWS, Microsoft Azure, Google Cloud, Hetzner, VMware and Proxmox VE, including Linux cloud servers, VM deployment, migration, networking, backup and infrastructure management. 🛠️ WHAT I CAN HELP WITH ✔ Linux server administration & troubleshooting ✔ Linux server deployment, migration & hardening ✔ Zabbix installation, monitoring & alerting ✔ Wazuh SIEM deployment, rules & decoders ✔ Grafana dashboards & monitoring ✔ Docker / Docker Compose deployment ✔ Kubernetes & DevOps troubleshooting ✔ Nginx / Apache configuration ✔ MySQL / MariaDB / PostgreSQL administration ✔ Network, DNS, VPN & firewall troubleshooting ✔ Server performance optimization ✔ Backup, HA & disaster recovery ✔ Log management & security monitoring ✔ Cloud & virtualization administration ✔ Bash / Python / Ansible automation ✔ Open-source infrastructure solutions ⚙️ ADDITIONAL PRODUCTION EXPERIENCE • LAMP / LEMP stack deployment • HAProxy & Keepalived • Reverse proxy and load balancing • GitLab and deployment workflows • Redis and application services • Linux service monitoring • Production incident troubleshooting • Server resource and performance analysis • Infrastructure maintenance and technical support I focus on root-cause troubleshooting, security, reliability, monitoring and maintainable infrastructure rather than temporary fixes. If you need a Linux System Administrator, Linux Server Engineer, DevOps Engineer, Infrastructure Engineer, Zabbix Expert, Wazuh Expert, Docker Administrator or Server Troubleshooting Specialist, I can help you build, manage and secure your environment.

Hi, I’m Qaisar a senior System & Cloud Engineer + Full-Stack Developer with 10+ years of hands-on experience helping businesses build, migrate, automate, and scale their technology with confidence. I work with startups and growing companies that want reliable systems, secure infrastructure, and software that actually works in production not fragile setups or demo-only solutions. 🔹 What I Do Best Cloud, IT & Systems Administration Google Workspace setup, administration & complex migrations (Workspace ↔ Workspace, cPanel/IMAP → Workspace, Google → Microsoft 365) Microsoft 365, Azure, Windows Server & Active Directory Email deliverability & security: SPF, DKIM, DMARC, MX, DNS VMware virtualization, server optimization & infrastructure planning Backup & disaster recovery with Veeam Firewalls & networking: pfSense, MikroTik, VPNs, VLANs, load balancing 👉 Result: Secure, downtime-free environments with clean migrations and zero data loss Full-Stack Development & AI Automation Build production-ready SaaS apps, dashboards & internal tools Automate manual workflows using AI & event-driven automation Integrate AI into real business systems (not experiments) Tech Stack Frontend & Backend: React, Node.js, TypeScript, Express AI & Automation: OpenAI API, LangChain, RAG pipelines, n8n, Agentic AI Databases: PostgreSQL, MySQL, MongoDB, Redis, Pinecone DevOps: Docker, CI/CD, cloud deployment & server management Integrations: REST/GraphQL APIs, Webhooks, CRMs, ERPs, Slack, MS Teams 👉 Result: Systems that save time, reduce tools, and scale cleanly ✅ What Clients Like About Working With Me Clear communication & honest timelines Strong planning before execution Deep technical knowledge across IT + software + cloud Long-term mindset systems built to grow, not break “Get it done” attitude with real ownership 🏢 About My Team I run Sysconnects, a small, focused team delivering cloud engineering, full-stack development, and AI-driven automation. When needed, I can scale quickly with experienced resources without sacrificing quality. If you need one person who understands infrastructure and software, I’m here to help.

Tickets piling up and nobody finding the cause? I work at tier 2 and 3. A broken API call, a DNS record set wrong, a Microsoft 365 policy fighting itself, a payment that never synced. I find the root cause, fix it, then write it down so it stays fixed. Ten years in IT across MSP, SaaS, and enterprise, most of it for US clients. Not script reading. Engineering depth behind every ticket. WHAT I COVER Support and debugging: app faults, API and webhook failures, access and subscription logic, payment and data gaps, browser and HTTP debugging Microsoft 365 and Azure: Intune, Defender for Endpoint, Entra ID, Exchange, mail delivery (DMARC, SPF, DKIM), tenant moves Infrastructure: Azure, VMware, physical server builds, networking, Cloudflare, DNS Web and monitoring: WordPress builds and cleanup, Zabbix, PostHog Security and compliance: ISO 27001, CMMC, PCI DSS, Microsoft security stack Scripting: Python, JavaScript, shell, plus AI driven automation Tools: HubSpot, Jira, Linear, GitHub, MySQL, Linux and SSH CERTS Azure Solutions Architect Expert. VMware VCP DCV and VCP NV. ISO 27001 Lead Auditor. CCNA and CCNP training. WHAT THAT LOOKS LIKE Long support contract for a US SaaS firm, near full time, covering the app, the infra, and the customer side. The client called me reliable and said the quality never dropped. Support specialist on a US contract, tier 2 and 3, day to day tickets plus project work. Azure migration planned and run with downtime close to zero. Two hacked Linux servers cleaned of a DDoS trojan, same day. That client came to me because I had fixed his last problem. HOW I WORK I cover US hours when the job needs it and I keep clients posted without being chased. You get a plain answer on what broke, what I did, and what I would change so it does not come back. Notes and handover docs come as standard. START HERE Tell me what is breaking. I will tell you how I would fix it and what it would take. No pitch.

Messy Entra ID permissions, undocumented Conditional Access policies, Exchange mail flow issues, a domain controller nobody's touched since it was set up, or devices sitting in Intune with no policy behind them. I step into Microsoft 365 and Windows Server environments like this, work out what's actually configured versus what should be, and fix it without breaking what's already running. I'm Microsoft 365 Certified: Administrator Expert (MS-102) and Endpoint Administrator Associate (MD-102), Top Rated on Upwork with a 100% Job Success Score, and I've spent 8+ years managing, securing, and troubleshooting Microsoft 365 tenants, Exchange Online, Entra ID, Intune, Teams, SharePoint, Active Directory, and Windows Servers for businesses and MSPs. I work with businesses and MSPs that need reliable help managing their Microsoft environment, whether that means resolving an urgent issue, configuring a service correctly, supporting users, hardening endpoints or servers, or providing ongoing Microsoft 365 and IT administration. My approach is straightforward, understand the issue, identify the root cause, make the appropriate change, verify the result, and clearly document what was done. Microsoft 365 Administration: - Microsoft 365 / Office 365 tenant administration - User, group, and license management - Administrative roles and permissions - Tenant-level troubleshooting and security configuration Microsoft Entra ID & Identity Management: - Conditional Access & MFA policy design and troubleshooting - User and sign-in risk policies - SSO configuration for Enterprise Applications - Authentication and access troubleshooting Microsoft Intune & Endpoint Management: - Device enrollment and compliance policy configuration - App protection and configuration policies - Endpoint security baselines - Device-based Conditional Access Exchange Online: - Mailbox and shared mailbox management - Mail flow and transport rule configuration - Message tracing and delivery investigation - SPF, DKIM, and DMARC configuration Microsoft Teams Administration: - Teams Admin Center configuration - User and policy management - Meeting and calling troubleshooting - External access and collaboration settings - Teams permissions - User-level and tenant-level troubleshooting - Teams configuration and ongoing support SharePoint Online & OneDrive: - SharePoint site creation, permissions, and content migration - Document libraries and sharing configuration - SharePoint troubleshooting - OneDrive sharing and access troubleshooting - Sign-in and synchronization issues Windows Server & Active Directory: - Active Directory Domain Services (AS DS) - Domain Controller administration - Group Policy (GPO) configuration and troubleshooting - Server and endpoint hardening via GPO (CIS benchmarks) - Server virtualization - DNS/DHCP and WSUS administration - Windows domain and authentication troubleshooting IT Support & MSP Support: I also provide reliable ongoing IT support for businesses and MSP environments, including - Microsoft 365 user support - Windows troubleshooting - User onboarding and offboarding - Account and permission issues - Remote end-user support - Escalated L2/L3 technical troubleshooting Why Choose Me: - Microsoft Certified Administrator Expert - Strong Microsoft 365, SharePoint & Exchange Online expertise - Security-first approach to identity, access, and device management - Root-cause troubleshooting instead of temporary fixes - Available for both project-based fixes and ongoing tenant administration - Flexible across time zones I can work with UK, EU, and USA businesses and provide agreed working hours depending on project requirements. If you need help with Microsoft 365, Entra ID, Intune, Exchange Online, Teams, SharePoint, OneDrive, or Windows Server/Active Directory, send me a brief description of your issue and the outcome you need. I will review the situation and be happy to discuss your environment and recommend the most practical solution.

I’m a results-driven IT Professional with over 15 years of hands-on experience delivering technical support, infrastructure management, and cloud solutions across a wide range of industries. I specialize in working with MSPs, startups, and SMBs to implement and support scalable, secure, and high-performing IT environments. 🔧 Core Expertise: ✅Cloud Infrastructure (IaaS/PaaS) on AWS & Azure. ✅Microsoft 365 Enterprise administration & migration. ✅Virtualization: VMware, Hyper-V, Citrix. ✅System & Network Administration (LAN/WAN, Routing/Switching, NGFWs). ✅Backup & Disaster Recovery, BCDR, Endpoint Security, and Zero-Day Protection. ✅MSP tools (ConnectWise RMM, Ninja RMM, N-Able RMM, IT Glue, Datto, Axcient BCDR). ✅AVD, RDS Farms, Intune, Conditional Access, AD, DNS, GPO, VPN. ✅Data Center Operations, HP MSA SAN, NetApp Storage, VoIP & Video Conferencing. I’ve successfully led large-scale IT deployments and handled critical tasks like: ⭐Designing and managing enterprise networks and cloud infrastructures. ⭐Providing L2/L3 support for complex escalations across MSP service desks. ⭐Implementing cybersecurity best practices to mitigate ransomware & data breaches. ⭐Supporting on-prem to cloud migrations and hybrid environments. ⭐Migrate On-Prem Servers to Cloud, Exchange Server 2019 to MS365. I pride myself on clear communication, fast response times, and providing long-term value to clients. Whether you need ongoing support, technical leadership, or a trusted freelance partner for your MSP. I’m ready to help. Let’s connect and discuss how I can add value to your IT operations.

I provide reliable Cloud, ERP, VPN, Firewall, Backup, Remote Access, and IT Infrastructure solutions for businesses. I help companies set up, secure, manage, and troubleshoot their IT systems including servers, cloud hosting, VPN, firewalls, backup solutions, RDP access, Proxmox infrastructure, ERPNext hosting, accounting software, and monthly IT support SLA. My services include: • Cloud server setup and management • Dedicated and standard server configuration • Proxmox infrastructure deployment and support • Hetzner cloud support • OpenVPN and remote access setup • Fortinet firewall configuration and troubleshooting • RDP users and CAL services support • ERPNext hosting and rental-based ERP/accounting software • Accounting and inventory software support • SSL security setup • Veeam and Nakivo backup configuration • Backup storage and file server solutions • Windows and Linux server support • IT troubleshooting and end-user support • Monthly IT support SLA for businesses I focus on secure, stable, and business-ready solutions. My goal is to provide clean deployment, proper documentation, reliable troubleshooting, and long-term support for clients. If you need help with cloud hosting, VPN, firewall, remote access, ERP hosting, backup, or complete IT infrastructure, I can support you from planning to deployment and ongoing maintenance. Let’s discuss your requirement and build a reliable solution for your business.