Hire the Best IBM System p Specialists

Senior System Administrator specializing in Microsoft 365, Active Directory, AWS, and enterprise infrastructure reliability. For the past 4 years, I've been the sole infrastructure consultant supporting production systems for Revalize LLC (USA), managing customer-facing enterprise environments where downtime directly impacts revenue. Alongside this long-term enterprise infrastructure ownership, I've delivered migration and remediation projects for 20+ organizations across SaaS, manufacturing, and professional services. Core expertise: - Microsoft 365 migrations & hybrid Exchange - Active Directory & Windows Server administration - AWS cost optimization & infrastructure reliability - PowerShell automation & process optimization - Disaster recovery & business continuity Clients typically bring me in when: → Migration projects have stalled or lack expertise → Active Directory or mail infrastructure becomes unstable → Production environments lack documentation or monitoring → Infrastructure costs are growing unexpectedly → Internal teams cannot safely troubleshoot production systems Recent project outcomes: → Migrated 500+ users from Exchange 2016 to Microsoft 365 with zero email downtime during 72-hour cutover → Reduced AWS infrastructure costs by 30% ($47K annually) through EC2 rightsizing and Reserved Instance strategy → Restored multi-site Active Directory replication affecting 450+ users across 3 locations within 8 hours → Recovered a non-booting domain controller with SYSVOL/DFSR failures in 6 hours, preventing an authentication outage → Automated user onboarding workflows, reducing provisioning time from 2 hours to 10 minutes Microsoft 365 & Exchange - Exchange Online & hybrid Exchange migrations - Tenant-to-tenant migrations - Hybrid identity (Entra ID / Azure AD) - SharePoint & Teams administration - SPF / DKIM / DMARC configuration - Intune device management & endpoint compliance policies - MFA enforcement, Conditional Access, and Microsoft 365 governance - Exchange sync troubleshooting & mailbox recovery Active Directory & Windows Infrastructure - Domain controller recovery & SYSVOL/DFSR replication repair - Multi-site domain controller deployments - Group Policy management & troubleshooting - FSMO role management & transfer - Hybrid AD environments (on-premises + Entra ID) - Windows Server 2012 R2 through 2022 administration AWS & Cloud Infrastructure - Cost optimization & infrastructure analysis (40-60% average reduction) - EC2 rightsizing & Reserved Instance strategy - RDS performance tuning & elastic pool optimization - CloudWatch monitoring & proactive alerting - VPC design & auto-scaling configuration Infrastructure Reliability & Operations - Disaster recovery planning & backup validation - Production change management & operational handoff - 24/7 emergency support for production infrastructure incidents - Flexible timezone coverage (US, UK, Australian business hours) Additional experience includes VMware vSphere, Hyper-V, Fortinet/pfSense networking, Veeam/Commvault backup solutions, and enterprise ITSM platforms including ServiceNow and JIRA. Certifications: → AWS Certified Solutions Architect – Associate → Microsoft 365 Certified: Fundamentals (2024) → MCSA: Windows Server 2016 → Fortinet NSE 1 & NSE 2 Network Security Clients value reliability, communication, and operational accountability just as much as technical execution. If you need an experienced infrastructure engineer to stabilize, migrate, optimize, or maintain production systems, send me: → Current infrastructure overview (platform, user count, pain points) → Project goals and timeline → Any existing documentation or error logs I respond within 24 hours with a project assessment and approach. Available for scheduled migrations, infrastructure remediation, and urgent production recovery engagements.

I specialize in Microsoft-based infrastructure including Active Directory, Windows Server, Microsoft 365, and Azure environments. My focus is helping companies reduce infrastructure complexity, improve system reliability, and optimize cloud and licensing costs. I work on: - Infrastructure audits and architecture review - Azure and M365 optimization - Active Directory / hybrid environment troubleshooting - Migration and system consolidation - Backup and disaster recovery validation I deliver clear technical documentation, architecture diagrams, and actionable step-by-step improvement plans.

🚀 SAP BTP Developer | Cloud-Native Applications | SuccessFactors & API Integrations Expert Hello! I’m Aman Arora, a highly skilled SAP Business Technology Platform (BTP) consultant with hands-on experience in building cloud-native enterprise applications, SAP HANA-based solutions, and integrating SuccessFactors using REST and OData APIs. With a strong foundation in the SAP Cloud Application Programming Model (CAP) and Multi-Target Applications (MTA), I help businesses extend their SAP landscape using modern development practices and reliable cloud-native architecture. 💡 Core SAP BTP Expertise: 🔹SAP BTP CAP (Cloud Application Programming Model) 🔹Multi-Target Applications (MTA) 🔹SAP Fiori Elements and UI5 Extensions 🔹SAP Cloud Foundry & SAP BTP Cockpit 🔹SuccessFactors Integration (REST/OData APIs, SAP Connectivity Services) 🔹SAP Destination Services & Security Configuration 🔗 Integration Capabilities: 🔹SAP SuccessFactors API Integration (Employee Central, Recruiting, etc.) 🔹RESTful API design & consumption 🔹SAP Connectivity with external services 🔹Swagger/OpenAPI documentation 🧠 Database Expertise: 🔹SAP HANA (XS Advanced & Cloud) 🔹MySQL, PostgreSQL, Cosmos DB, MS SQL ⚙️ Tools, DevOps & Platforms: 🔹SAP Business Application Studio, Visual Studio 🔹Git, GitHub, Bitbucket, Azure Repos 🔹CI/CD: Git-based CI/CD, Azure DevOps, SonarQube 🔹Postman, Swagger, Syncfusion .NET Components 🎯 What I Offer: 🔹End-to-end cloud-native SAP app development 🔹Custom SAP SuccessFactors extension & integration 🔹CAP-based application architecture with secure API layers 🔹Deployment to SAP Cloud Foundry using MTA 🔹Robust testing, version control, and DevOps pipeline setup With a mix of deep SAP domain knowledge and modern development workflow experience, I ensure that every solution is both scalable and maintainable. I’m committed to delivering high-quality enterprise-grade apps that align with your business objectives. 📌 Let’s collaborate to build smart, future-ready SAP cloud solutions for your organization.

With over 6 years of hands-on experience managing complex IT environments, I specialize in deploying, securing, and optimizing infrastructure across Windows Server and Linux-based systems, both on-premise and in the cloud. I’ve built, maintained, and scaled critical services for fast-growing businesses, from high-availability web servers and SQL databases to endpoint protection and remote monitoring systems. Here's what I specialize in: Servers & Virtualization: Expert in managing Windows Server (2012R2, 2016, 2019, 2022) and Ubuntu/Debian servers across DEV, STAGING, UAT, and PROD environments. Highly experienced in deploying, performing in-place upgrades, optimizing performance, and live migrating VMs hosted on Hyper-V and VMware. Strong focus on high availability, failover clustering, replication strategies, storage optimization (NTFS/ReFS), and full infrastructure documentation with redundancy and business continuity planning. Infrastructure & Cloud: Proficient in designing and managing infrastructure including Nginx and Apache web servers, reverse proxy configurations, load balancing, and SSL management using Let’s Encrypt and Certbot. Experienced in DNS and domain management across Cloudflare, IONOS, and Namecheap, including routing, caching, and security layers. Skilled in provisioning and managing cloud environments on Microsoft Azure and Oracle Cloud Infrastructure (OCI), including VM deployment, networking, storage, and cost optimization. Automation & Scripting: Advanced experience in PowerShell, Bash, and Ansible to automate patch management, reporting, system health checks, backup operations, and full infrastructure deployment. Built scheduled and event-driven automation using CRON, Windows Task Scheduler, WSUS, and RMM platforms. Focused on reducing manual workload, improving consistency, and ensuring repeatable, error-free operations across environments. Security & Monitoring: Configured and managed enterprise-grade security solutions including Bitdefender GravityZone, Microsoft Defender for Endpoint, Huntress, SentinelOne, and CrowdStrike. Experienced in threat detection, incident response, endpoint hardening, and compliance alignment. Performed vulnerability assessments and penetration testing using tools such as Burp Suite, Nmap, and Nessus. Deployed and maintained RMM and monitoring solutions including NinjaOne, ConnectWise, and Microsoft Intune for centralized visibility and proactive system management. Backup & Disaster Recovery: Designed and implemented robust backup and disaster recovery strategies using Veeam Backup & Replication, Hyper-V checkpoints, and SQL backup solutions. Integrated cloud storage such as Wasabi for offsite backups. Conducted regular disaster recovery testing, failover validation, and recovery optimization to ensure data integrity and minimal downtime across both physical and virtual infrastructures. Vendor & Client Collaboration: Worked closely with solution providers including Bitdefender, ConnectWise, Wasabi, NinjaOne, and Microsoft partners to optimize tooling, streamline operations, and secure cost-effective solutions. Experienced in vendor negotiations, solution architecture alignment, and delivering services that balance technical performance with business requirements while maintaining clear and professional client communication.

I help leaders and business owner like you to transform business confidently by implement cutting-edge technology aimed to optimize operational efficiency through smart digital strategy. I am an IT professional with over 10+ years of experience in digital projects as both freelancer and full-time who have key expertise in digital transformation and infrastructure modernization. I implement and optimize support systems for growing teams, hands-on execution and smart strategy including change management principle in mind to ensure minimal interruption to production environment. ✅ WHAT I CAN HELP YOU: 🔹 Digital transformation strategy, roadmap and implementation 🔹 Data analytics, governance, and protection 🔹 AI & process automation strategy 🔹 ERP implementation, integration & configuration 🔹 ITSM setup, customization, integration & workflow configuration 🔹 Ticketing system setup, customization, integration & workflow configuration 🔹 Helpdesk system setup, customization, integration & workflow configuration 🔹 Business email deliverability optimization (SPF, DKIM, DMARC and MX setup) 🔹 Ticket backlog cleanup & operational support 🔹 Knowledge base creation & documentation 🔹 Performance reporting & metrics dashboards 🔹 Security hardening & enhancement 💡 WHY WORK WITH ME: • Clear communication, friendly and professional • Detail-oriented and easy to work with • On-time delivery with responsive communication • Hands-on, fast turnaround, minimal meetings needed • I can jump into your system and start delivering value immediately ⚙️TECHNICAL EXPERTISE & PLATFORMS I WORK IN: • Microsoft 365 Administration (Teams, SharePoint, OneDrive, Intune, Exchange) • Cloud Infrastructure (Microsoft Azure, AWS, GCP) • Identity & Access Management (Entra ID, Microsoft Active Directory, Zoho Directory) • ERP (Microsoft Dynamics NAV, Microsoft Dynamics 365 Business Central) • ITSM platform (ManageEngine ServiceDesk Plus, OSTicket, Freshdesk) • IT Asset & Endpoint Management (Microsoft Intune, ServiceDesk Plus ITAM, Snipe-IT) • Security (Sophos Central, Sophos XGS firewall, Sophos Intercept X EDR, Secureworks TaegisXDR) • Networking (Aruba, HPE, Unifi, Hikvision, Ruckus) • Network Monitoring System (PRTG, Cacti, MRTG) 📩 Let’s connect if you’re looking for someone who can help streamline your operations so you can focus on growing your business.

🚀 VMware vSphere/vSAN/NSX | Hyper-V & Proxmox Architect | Veeam Specialist | Enterprise Storage & Backup Expert With 15+ years of experience in enterprise IT infrastructure, I specialize in architecting, deploying, migrating and optimizing virtualization, storage, and backup platforms. I have successfully delivered global projects for enterprises and service providers, enabling scalable, resilient, high-performance, and secure modern data center environments. 🔹𝗩𝗶𝗿𝘁𝘂𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻 & 𝗖𝗹𝗼𝘂𝗱 • VMware VCF / vSphere / vSAN / NSX / SRM end-to-end lifecycle management including architecture, deployments, modernize, upgrades, and hybrid / multi-cloud integrations for green field and brown field. • Microsoft Hyper-V and modernization leveraging SCVMM, WSFC, CSV, Live Migration, Replica, S2D, Windows Admin Center, Azure Arc, Azure Site Recovery (ASR), and hybrid cloud integration for scalable and resilient workloads. • Enterprise Proxmox VE architecture including HA clustering, Ceph SDS, ZFS, Proxmox Backup Server (PBS), live migrations, replication, KVM virtualization, LXC containers, and cost-optimized private cloud transformation from VMware and legacy hypervisors. 🔹𝗕𝗮𝗰𝗸𝘂𝗽 & 𝗦𝘁𝗼𝗿𝗮𝗴𝗲 (𝗦𝗔𝗡/𝗡𝗔𝗦) • Veeam Backup & Replication architecture • Disaster Recovery, Business Continuity & DR orchestration • Multi-site infrastructure resiliency design • EMC Enterprise & Midrange systems (PowerVault, PowerScale, PowerStore, PowerFlex, Data Domain, VNX, Unity, ME5, VxRail • HPE/MSA/Nimble/Alletra/StoreOnce/StoreEver), QNAP, Synology, TrueNAS, FreeNAS SAN design, upgrades, modernize, performance optimization, storage-tiered backup solutions 🔹𝗪𝗶𝗻𝗱𝗼𝘄𝘀 𝗦𝗲𝗿𝘃𝗲𝗿 & 𝗛𝘆𝗯𝗿𝗶𝗱 𝗖𝗹𝗼𝘂𝗱 • Windows Server (2000–2025), SBS & Essentials – Installation, configuration, and administration. • Domain Controller Migrations – Upgrading legacy AD (2003–2016) to modern versions (2019–2025) including FSMO, GPO, File/Print, and hybrid identity integration. • Active Directory & Hybrid Identity – AD, DNS, GPO, DHCP, IIS, WSUS, SSL, with Entra ID / Azure AD, AADC, ADFS, and SSO integration. • Remote Access & Virtualization – RDS, RRAS, and secure VPN deployments (PPTP, L2TP, SSTP, IKEv2). • High Availability & DR – Failover Clustering, NLB, CAU, and hybrid disaster recovery solutions. Global reach: Open to international consulting engagements and remote project delivery. ---------------- Certifications ---------------- ✅ MS - Server Virtualization with Hyper-V and System Center ✅ MCSE - Microsoft Certified Solution Expert ✅ Microsoft Certified Azure Administrator ✅ VCP-DCV 2X - VMware Certified Professional – Data Center Virtualization 6 & 7.0 ✅ VCP-NV - VMware Certified Professional – Network Virtualization 2023 ✅ VCSP -VMware Certified Specialist - Cloud Provider 2023 ✅ NCP-MCI - Nutanix Certified Professional - Multicloud Infrastructure