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🚀 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.

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 am a highly skilled System Administrator & IT Infrastructure Specialist with 11+ years of proven expertise in system administration, cloud computing, IT support, and network infrastructure management. I have successfully supported MSPs, enterprises, startups, and SMEs worldwide by designing, deploying, and maintaining secure, scalable, and cost-effective IT environments. I specialize in end-to-end IT solutions that enhance business continuity, cybersecurity, and operational efficiency. Core Competencies & Services * Cloud Solutions & Administration: Microsoft 365, Azure, AWS, Google Workspace – setup, migration, integration, and ongoing management. * System Administration: Windows Server (2012–2025), Linux (Ubuntu, CentOS, RHEL), Active Directory, Group Policy, DHCP, DNS, IIS. * Network Administration: LAN/WAN design, Routing & Switching, Firewalls (Sophos, Fortinet, Cisco, pfSense), VPN & Secure Remote Access. * Security & Data Protection: Endpoint security, patch management, SIEM, disaster recovery planning, backup solutions (Veeam, Acronis). * Virtualization & Hypervisors: VMware vSphere/ESXi, Hyper-V, Citrix – deployment, monitoring, and optimization. * Collaboration & Communication Tools: Exchange Server, MS Teams, VoIP systems (3CX, Starface, DOMUS). * Automation & Scripting: PowerShell & Bash scripting for server automation, monitoring, and process optimization. * Storage & File Systems: NAS/SAN (Synology, Dell EMC, NetApp), file server setup, storage management, and data migration. Why Work With Me? ✔ 11+ years of hands-on System Administration & Cloud Infrastructure experience. ✔ Proven ability to support enterprise IT operations and streamline IT service management (ITSM). ✔ Strong focus on cybersecurity hardening, compliance, and system uptime. ✔ Proactive problem-solver with excellent documentation and communication skills. ✔ Trusted by clients globally for remote system management and IT consulting. Whether you require ongoing IT support, server administration, cloud migration, network troubleshooting, virtualization management, or cybersecurity enhancements, I deliver reliable and future-ready IT solutions.

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.

Are you looking for a reliable DevOps and System Administration partner to build, secure, and maintain your IT infrastructure? I am a Senior System Administrator and DevOps Specialist dedicated to architecting scalable, production-ready cloud environments. I partner with businesses to eliminate server bottlenecks, automate complex workflows, and ensure robust security for mission-critical operations. With a proven track record of 5-star client satisfaction, I take complete ownership of your infrastructure so you can focus entirely on growing your business. Core Areas of Expertise: ☁️ Advanced Nextcloud Architecture: I specialize in custom, large-scale Nextcloud deployments. Moving far beyond restrictive All-in-One (AIO) setups, I build highly tailored, secure infrastructure stacks utilizing Docker Compose and Portainer, specifically optimized for environments like Synology NAS. ⚡ High-Performance Communications: Expert in configuring Nextcloud Talk High-Performance Backends (HPB). I successfully deploy and troubleshoot Go-based signaling servers and Janus MCU to guarantee seamless internal company communication. 🔄 Workflow Automation (n8n): I bridge the gap between your applications. By designing intricate n8n automation pipelines, I streamline business processes such as automated client onboarding systems and digital mailrooms. 🖥️ Virtualization & Server Management: Deep technical experience in provisioning virtual environments, including dedicated Rocky Linux virtual machines via Synology Virtual Machine Manager (VMM), alongside comprehensive VPS management and cloud network setups. 🛡️ Network Security & Migrations: Focused on hardening your digital perimeter using enterprise-grade hardware like FortiGate firewalls, configuring complex VPNs, and managing secure port forwarding. I also execute zero-downtime, seamless migrations for Google Workspace and Microsoft Office 365. Why partner with me for the long term? I do not just deliver quick fixes; I build sustainable systems. My clients consistently trust me for ongoing retainer work because I provide proactive maintenance, continuous security auditing, and crystal-clear technical communication. I map your business requirements directly to stable software architectures. Let’s build a secure, efficient, and automated foundation for your business. Send me a message today, and let's discuss your infrastructure roadmap!

Network and Cloud Systems Administrator with 5+ years of experience in IT infrastructure. Proficient in: | Networking & Security | Linux & Windows Servers | Hypervisors | AWS& Azure | M365 |Storage Solution Here is a detailed breakdown of my technical expertise: Infrastructure & Networking Networking: I have extensive experience with L2/L3 Switches from vendors like Cisco and Huawei, as well as other managed and unmanaged switches. Firewalls: My security expertise includes working with a wide range of firewall solutions from Cisco, Palo Alto, FortiGate, Huawei, Mikrotik, and Sophos. Wireless: I'm proficient in deploying and managing Wi-Fi solutions from Ubiquiti (UniFi), Ruckus, TP-Link, and Tenda. VPNs: My skills extend to implementing secure remote access using OpenVPN, WireGuard, and Cisco AnyConnect. Network Monitoring: I use industry-standard tools like Zabbix, Nagios, Checkmk, Cacti, and Solaris to ensure network health and performance. Systems & Virtualization Microsoft: I have a strong background in Windows Servers, Active Directory, Office 365, Azure AD, SharePoint, Exchange Online, and Teams. Linux: My Linux administration skills cover a variety of distributions, including Red Hat, Debian, SUSE, Kali Linux, CentOS, Ubuntu, and Fedora. Virtualization: I am an expert in virtualization technologies, including VMware vSphere, Hyper-V, Proxmox VE, Citrix Xen, and XCP-ng. Containerization: I am proficient in Docker, Kubernetes, and OpenShift for modern application deployment. Storage Solutions: I have hands-on experience with Synology NAS, SAN, Unraid, and TrueNAS. Mail Servers: My skills in email management include working with MS Exchange, Modoboa, Postfix, and Dovecot. Cloud & Security Cloud Computing: I am well-versed in cloud services, including SaaS, PaaS, and IaaS, and have practical experience with AWS, Azure, Hetzner, and Contabo. Endpoint Protection: My security skills include managing endpoint protection solutions like EDR, XDR, CrowdStrike, Falcon Sensor, Vipre, and ESET. SIEM Solutions: I have experience with Wazuh and Splunk for security information and event management. Applications & Tools Linux Applications: I have a strong command of common Linux applications such as Nginx, Apache, Gitlab, dhcpd, Bind9, and PowerDNS. Ticketing Systems: I'm proficient in using ticketing and project management tools like Redmine and Jira. VoIP: My experience includes working with VoIP platforms such as Vicidial and Issabel.