Hire the Best Active Directory Administrators
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Christopher O.

Lagos, Nigeria

$20/hr
4.7
26 jobs

Thank you for stopping by my profile! With 13+ years of experience and over 35 professional certifications, I specialize in IT Systems Administration, Microsoft 365, and cloud solutions. I help businesses optimize their IT infrastructure, enhance security, and improve operational efficiency. ๐—ช๐—ต๐—ฎ๐˜ ๐—œ ๐—ข๐—ณ๐—ณ๐—ฒ๐—ฟ: โœ… System Administration โ€“ Windows Server (2022/2019/2016), Active Directory, DNS/DHCP management โœ… Technical Support โ€“ Proactive IT troubleshooting to minimize downtime & ensure seamless business operations โœ… Microsoft 365 & Exchange โ€“ Administration, migration, & security for Microsoft 365, Exchange Online & On-Premises โœ… Cloud Solutions โ€“ Microsoft Azure design, implementation, & optimization for businesses of all sizes โœ… Virtualization & Networking โ€“ Microsoft Hyper-V, TCP/IP networking, & IT infrastructure optimization ๐—ช๐—ต๐˜† ๐—ช๐—ผ๐—ฟ๐—ธ ๐—ช๐—ถ๐˜๐—ต ๐— ๐—ฒ? ๐Ÿš€ Certified Expert โ€“ Microsoft 365 Administrator Expert, Azure Solutions Architect, and more โšกProven Experience โ€“ 13+ years of IT success across industries ๐Ÿ”น Reliable & Efficient โ€“ Delivering solutions that enhance security, performance, & business continuity ๐Ÿ’ผ Business-Oriented IT Solutions โ€“ Tailored to your business needs, not just technical requirements ๐—Ÿ๐—ฒ๐˜โ€™๐˜€ ๐—ช๐—ผ๐—ฟ๐—ธ ๐—ง๐—ผ๐—ด๐—ฒ๐˜๐—ต๐—ฒ๐—ฟ! Looking for an IT expert to streamline your operations? Letโ€™s connect! Iโ€™m ready to assist with system administration, cloud migration, technical support, and IT infrastructure management.

  • Disaster Recovery
  • DNS
  • Microsoft Exchange Server
  • Technical Support
  • Virtualization
  • Network Administration
  • Microsoft Windows
  • VPN
  • System Maintenance
  • System Administration
  • Windows Server
  • Office 365
  • Hardware Troubleshooting
  • Customer Service
  • Microsoft Azure
Lekan A.

Ibadan, Nigeria

$23/hr
5.0
8 jobs

Experienced back-end developer with 4 years of building APIs and server-side systems using Go, Java, Kotlin, TypeScript, and JavaScript. Proficient in developing and integrating REST, SOAP, and GraphQL APIs, optimizing system performance, and collaborating with teams to deliver reliable software. Brings 9 years of prior experience in IT infrastructure - covering system administration, network engineering, and technical and cloud support (AWS, Azure). Seeking to grow in back-end engineering roles focused on software performance and reliability.

  • Golang
  • TypeScript
  • Java
  • JavaScript
  • Spring Boot
  • PostgreSQL
  • NestJS
  • Node.js
  • Kotlin
  • Rust
  • MongoDB
  • MySQL
  • Docker
  • AWS Development
  • Microsoft Azure
Moses D.

Abuja, Nigeria

$10/hr
5.0
3 jobs

I am a Cloud Administrator and System Administrator with strong experience managing AWS, Azure, and Google Cloud (GCP) environments for businesses that require secure, stable, and scalable infrastructure. As an AWS and Azure System Administrator, I handle virtual machines, networking, IAM, backups, monitoring, patching, and cloud security hardening. I help organizations reduce downtime, improve performance, and maintain compliance while keeping cloud costs under control. I also support DevSecOps and infrastructure automation, allowing teams to deploy faster and operate more reliably. Whether you are launching a new environment, migrating from on-prem, or improving an existing setup, I take ownership from design to ongoing operations. Clients hire me because I am proactive, detail-oriented, and focused on delivering cloud systems that are easy to manage long term. Cloud Infrastructure Services AWS / Azure / GCP administration VPC & VNet design Compute, storage & networking High availability architecture Monitoring & alerting Backup & disaster recovery Cloud migration Cost optimization DevSecOps & Automation Terraform (Infrastructure as Code) CI/CD pipelines Docker & Kubernetes Secrets & key management Secure deployment practices Cloud Security IAM & Entra ID Logging & SIEM integration Threat detection & response Vulnerability management HIPAA, PCI DSS, SOC2 alignment If you need a Cloud Administrator, AWS/Azure Administrator, or Cloud Security Engineer, send me an invite. Iโ€™m ready to help you build and run reliable cloud infrastructure.

  • Cisco Router
  • Windows Administration
  • Computer Network
  • Firewall
  • Windows Server
  • IT Support
  • Operating System
  • System Administration
  • Nagios Core
  • Server Administration
  • Google Display Network
  • Network Security
  • Network Administration
  • Cloud Security
  • Cloud Computing
Kehinde A.

Ikeja, Nigeria

$35/hr
5.0
43 jobs

I specialize in enterprise-grade Microsoft 365 setup, administration, migrations, tenant baseline security configuration and hardening. My expertise covers Microsoft 365 service, Microsoft Defender security configuration, identity and access management, Intune endpoint management across diverse device platforms, and data loss prevention (DLP) with Microsoft Purview, and Power Automate. Hereโ€™s how I can help you * M365 Tenant Migrations: Expert, zero-downtime migrations from Google Workspace, IMAP, GoDaddy or on-premises Exchange to Exchange Online and SharePoint (3,500+ mailboxes migrated). * Endpoint Management (Intune/MDM): Complete deployment of Windows Autopilot, Apple Business Manager, and Android Enterprise. * Identity & Cloud Security: Bulletproof Conditional Access policies, MFA, and SSO via Microsoft Entra ID (Azure AD). Advanced setup of Microsoft Defender, Sentinel, KQL tracking, and DLP frameworks, Tenant hardening, tenant security assessment. * Network & DNS Management: Advanced configuration of enterprise networking topologies, secure VPNs, and Next-Gen Firewalls. I specialize in locking down email security and deliverability via strict SPF, DKIM, DMARC, DNSSEC, BIMI, and MTA-STS record management across Azure DNS and AWS Route 53. * Backup & Disaster Recovery: Designing and monitoring comprehensive business continuity frameworks to prevent data loss. I proactively manage multi-tenant system health, automated backups, and rapid-recovery strategies via industry-standard RMM tools. Core Technical Stack & Certifications: * Tools: M365, Azure IaaS, Windows Server (2016-2022), Windows 10/11, macOS, Intune, Microsoft Defender for Business / Endpoint, Microsoft Sentinel, SharePoint, PowerShell Automation, Datto/Ninja RMM, Halo PSA, N-able N-Central, N-able MSP Manager, Autotask. * Credentials: Microsoft Certified: Administrator Expert | Identity & Access Management Associate (SC-300) | SC-900 | AZ-900 | AWS Certified. Letโ€™s get your infrastructure secure and running seamlessly. Click the green "Invite" button to discuss your project needs.

  • DNS
  • Microsoft Exchange Server
  • Microsoft Exchange Online
  • Technical Support
  • Ticketing System
  • Cloud Services
  • System Administration
  • Office 365
  • Cloud Implementation
  • Microsoft Azure Administration
  • Microsoft Endpoint Manager
  • Cloud Security
  • Email Security
  • Information Security
  • Microsoft 365 Copilot
  • IT Support
  • Windows Administration
  • Cloud Migration
  • Microsoft SharePoint Administration
  • Helpdesk
Olusegun B.

Lagos, Nigeria

$45/hr
5.0
17 jobs

Microsoft Certified Azure Administrator (AZ-104) with 6+ years managing enterprise cloud infrastructure. I help businesses migrate to Azure, secure their environments, and automate operations for maximum efficiency. ๐ŸŽฏ SPECIALIZATIONS: โ€ข Azure Infrastructure: Virtual Machines, App Services, Storage, Virtual Networks, VPN Gateway โ€ข Cloud Migrations: On-premises to Azure/M365 (15+ successful zero-downtime migrations) โ€ข Security & Compliance: Azure AD, Conditional Access, MFA, RBAC, Identity Protection, DLP โ€ข Automation: PowerShell scripting for resource provisioning, user management, monitoring โ€ข Microsoft 365: Exchange Online, SharePoint, Teams, hybrid identity (Azure AD Connect) โ€ข Monitoring & Optimization: Azure Monitor, Log Analytics, Application Insights, cost optimization ๐Ÿ’ผ EXPERIENCE HIGHLIGHTS: โœ… 6+ years supporting 1000+ users across enterprise environments โœ… 99.9% infrastructure uptime through proactive monitoring and automation โœ… 60% reduction in manual deployment time via PowerShell automation โœ… 4.8/5.0 average client satisfaction rating โœ… Reduced operational costs by 25% through Azure resource optimization ๐ŸŽ“ CERTIFICATIONS: โ€ข Microsoft Certified: Azure Administrator Associate (AZ-104) - 2025 โ€ข Microsoft Certified: Azure Fundamentals (AZ-900) โ€ข Microsoft Certified Trainer (MCT) - 2020-2021 โ€ข Currently pursuing: Azure Solutions Architect Expert (AZ-305) ๐Ÿ’ฌ WHY WORK WITH ME: โ€ข Fast Response: Available for communication within 2-4 hours โ€ข Clear Communication: I explain technical concepts in business terms โ€ข Proven Track Record: 6+ years of successful client projects โ€ข Quality Focused: I don't just complete tasks - I deliver solutions that scale โ€ข Documentation: Detailed documentation for every implementation โ€ข Ongoing Support: Available for post-project support and maintenance ๐ŸŒ AVAILABILITY: โ€ข Full-time freelancer available 40+ hours/week โ€ข Flexible with time zones (work US/EU hours from Nigeria) โ€ข Open to short-term projects and long-term contracts โ€ข Available for ongoing retainer arrangements ๐Ÿ“ž LET'S DISCUSS YOUR PROJECT: Whether you need to migrate to Azure, secure your cloud environment, or automate your infrastructure - I'm here to help. Click "Invite to Job" or message me to discuss your requirements. Looking forward to delivering excellence for your cloud infrastructure needs!

  • Microsoft Exchange Online
  • Technical Support
  • Microsoft Azure
  • Office 365
  • Microsoft Windows
  • Windows Server
  • Customer Support
  • Microsoft Teams
  • Microsoft Office
  • Administrative Support
  • System Configuration
  • Phone Support
MacDonald O.

Port Harcourt, Nigeria

$5/hr
5.0
1 jobs

I am an IT Security & Systems Administrator with years of experience in IT Support, Network Administration, IT Infrastructure Optimization, and Database & Business Applications. My expertise includes: โœ” Cloud Security & Administration โ€ข Azure and AWS workload optimization โ€ข Secure cloud architecture design โ€ข Cost-efficient cloud solutions โœ” Network Security (CCNA Certified) โ€ข LAN/WAN configuration and troubleshooting โ€ข Firewall management โ€ข VPN setup and endpoint protection โœ” Linux & Windows System Administration โ€ข Server deployment and management (RHEL, Ubuntu, Windows Server) โ€ข Active Directory and Group Policy management โ€ข Patch management and vulnerability remediation โœ” Database & Business Applications โ€ข SQL Server administration and optimization โ€ข Advanced Microsoft Office Suite (Word, Excel, PowerPoint) โ€ข Business application integration and support โœ” Security & Compliance โ€ข SIEM monitoring (Wazuh) โ€ข Vulnerability scanning (Wazuh) โ€ข PCI-DSS and ISO 27001 compliance implementation โœ” IT Infrastructure Solutions โ€ข Secure wireless networks (WPA3) โ€ข Penetration testing and encryption solutions โ€ข System automation (Azure Runbooks, PowerShell) Certifications: โœ” Azure Administrator (AZ-104) โœ” Cisco CCNA โœ” CompTIA Security+ ce Certification โœ” IT Specialist - Networking โœ” Google Cybersecurity Keywords: Cisco, VPN, Azure, AWS, switch, router, CCNA, Windows Server, RHEL, Ubuntu, Active Directory, LAN/WAN, Firewall Management, Wazuh, Penetration Testing, PowerShell, Wireshark, SQL Server, Advanced Excel, Database Optimization, IT Support.

  • Information Security
  • Computing & Networking
  • Network Engineering
  • Database Management
  • Server Administration
  • Cybersecurity Management
  • Windows Server
  • Microsoft Windows
  • Linux System Administration
  • Microsoft Azure
  • Windows 11 Administration
  • Windows 10 Administration
  • Microsoft SQL Server Administration
  • IT Support
  • Microsoft Office

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