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23+ years in Linux/Windows administration, DevOps, and cloud infrastructure. I build, secure, and scale production systems 24/7 — for MSP clients and direct engagements across industries. If your server is down, your deployment is failing, or you need infrastructure built right the first time — I'm the engineer you call. ━━ SERVER & SYSTEMS ━━ Linux (CentOS, Debian, Ubuntu, Amazon Linux, Rocky Linux) and Windows Server (2012–2025). Active Directory, Group Policy, Intune, hybrid identity. Nginx, Apache, Sendmail, Qmail, Postfix, Exim — MTA setup, Dovecot, SpamAssassin, OpenDKIM, SPF/DKIM/DMARC. Veeam, Acronis, cloud-native DR. Hypervisors: KVM, VMware ESXi, Hyper-V, Proxmox VE — HA clusters, live migration, Ceph/ZFS, Proxmox Backup Server. Redis, Varnish. QNAP NAS — storage management, Plex Media Server deployment, VPN tunnel integration. WHM/cPanel, Plesk, Virtualmin, CloudPanel, CyberPanel. ━━ CLOUD INFRASTRUCTURE ━━ AWS: EC2, ECS, EKS, RDS, S3, Route 53, IAM, VPC, CloudWatch, Lambda, API Gateway, Elastic Disaster Recovery. GCP: Cloud Run, Cloud Build, Firestore, GKE, IAM, VPC, Pub/Sub, Cloud Storage, Secret Manager, Cloud Monitoring. Cloudflare (WAF, Workers, Zero Trust, CDN). DigitalOcean, Hetzner, Vultr. MinIO: S3-compatible object storage on bare metal, VMs, Kubernetes — distributed mode, SSE-S3/KMS, lifecycle policies, drop-in S3 for backups and MLOps. Railway: Full-stack PaaS — GitHub/Docker auto-build, managed DBs (PostgreSQL, MySQL, Redis), private networking, env variables, cron workers, auto-scaling. ━━ SECRETS MANAGEMENT ━━ HashiCorp Vault: Dynamic secrets for AWS IAM, databases, cloud providers — TTL-bound credentials, auto-revoke. PKI for internal CA and on-demand TLS. Vault Secrets Operator for Kubernetes (etcd-free pod injection). Raft HA, RBAC, audit logging, Shamir unseal. Transit engine for encryption-as-a-service. CI/CD integration to eliminate hardcoded credentials. ━━ DEVOPS & CI/CD ━━ Docker, Kubernetes (EKS + self-managed: kubeadm, k3s, RKE2), Helm, Kamal. GitHub Actions, GitLab CI, Bitbucket Pipelines. Terraform, Ansible. ArgoCD, Flux (GitOps). Prometheus, Grafana, Datadog. Traefik: Cloud-native ingress — auto TLS, Docker/K8s service discovery, ForwardAuth, rate limiting, canary routing. Caddy: Zero-config-TLS reverse proxy — automatic HTTPS, on-demand certs. Preferred for self-hosted stacks. ━━ NETWORKING & SECURITY ━━ WireGuard, OpenVPN (MFA/ZTNA), IPSec/Libreswan, Xray/REALITY. Tailscale/Headscale — self-hosted mesh VPN, VPS tunnel setup, ACL policies, subnet routing. MikroTik, Juniper, SonicWall, Fortinet (FortiGate, FortiManager, FortiAnalyzer). pfSense, OPNsense. BGP, OSPF. Auth0, OAuth2, OIDC, Duo Security. LDAP/RADIUS, 802.1x, NPS/AD CS/Intune. ━━ DEVELOPMENT & AUTOMATION ━━ Python: FastAPI, Flask, Django, RESTful APIs, OpenAI API, ETL pipelines (Airbyte), orchestration (Airflow, n8n), data processing (pandas), Retool internal tools. Clean, documented, production-ready code. ━━ CONTAINERIZATION & DEPLOYMENT ━━ Docker Compose, Kubernetes manifests, Helm. Portainer, Coolify, Elestio, Traefik, Caddy. MinIO (K8s Operator/Tenant). Nextcloud, n8n, self-hosted app deployment. Vercel, Railway, Netlify, Replit. ━━ MSP & VOIP ━━ Duo Security, SpamTitan, ScreenConnect, ESET, Acronis. M365 multi-tenant administration. Asterisk and Vicidial (AWS + on-prem) — SIP trunks, IVR, call center setup, NetSIP integration. ━━ LEGACY & EARLY CAREER ━━ Foundational background in Windows desktop application development (VB, C#, Access) and web development (Core PHP, Laravel). ━━ WHAT CLIENTS HIRE ME FOR ━━ ► Emergency triage: servers down, services failing, breaches in progress ► Greenfield AWS/cloud environments built to security and compliance best practices ► CI/CD pipelines rebuilt to work reliably — no more failed deployments at 2am ► Self-hosted stacks that cut cloud bills without cutting uptime ► Kubernetes from scratch: EKS, k3s, RKE2 — setup, Helm, GitOps, day-2 operations ► HashiCorp Vault rollouts — eliminate hardcoded credentials across all pipelines ► Proxmox VE clusters: HA, live migration, Ceph storage, Proxmox Backup Server ► Network redesigns: Zero Trust, WireGuard mesh, BGP multi-homed, FortiGate, pfSense ► Ongoing managed infrastructure support and 24/7 incident response ► GCP solution design & delivery — Cloud Run, microservices, IAM, developer onboarding/offboarding ► Infrastructure, Security & Application Audits — server, network, database, cloud, and web stack ━━ INDUSTRIES SERVED ━━ SaaS · Fintech · Healthcare · E-commerce · Legal · Real Estate · Media · Education · Government · Telecoms · Startups · Enterprise. Single-server MVPs to multi-region, multi-account production environments. ━━ COMMUNICATION & PROCESS ━━ I don't disappear after the kickoff call. Clear updates at every stage, thorough documentation, and a proper handover on every engagement. Timezone-flexible. Slack, Teams, WhatsApp, Zoom, or Webex. If the work matters, it gets done right.

Hello! 👋 I am a seasoned Linux System Administrator and Engineer with over three years of experience, specializing in virtualization, containerization, and server optimization. As a Red Hat Certified Professional with certifications like RHCSA, RHCE, and various Red Hat specializations, I have a proven track record of managing data centers and executing automation solutions effectively. My core expertise extends to optimizing server performance and ensuring high availability in complex environments. Technical Proficiencies: • Virtualization and Cloud Technologies: VMware, KVM, Proxmox, OpenStack, Nutanix • Containerization: Docker, Podman • Server Management: Zimbra, Bind DNS, Apache, Nginx, OpenVPN, VSFTPD, HAProxy, Mattermost, Rocket Chat • Automation and CI/CD: Ansible, Jenkins • Monitoring and Logging: Zabbix, PRTG, Nagios, Grafana, Prometheus • Storage Solutions: NFS, iSCSI, OpenMediaVault • Version Control Systems: Git, GitHub, GitLab • Database Management: MySQL, PostgreSQL, MariaDB • Scripting and Programming: Bash, Python Professional Certifications: • Red Hat Certified Engineer (RHCE) • Red Hat Certified System Administrator (RHCSA) • Red Hat Certified Specialist in Containers • Red Hat Certified Specialist in Linux Diagnostics and Troubleshooting • Red Hat Certified Specialist in Services Management, and Automation I am passionate about technology and continually strive to enhance my skills and knowledge. Thank you for considering my profile. I look forward to contributing to your projects with my expertise. Have a great day!

I am a Linux Certified System Administrator with more than 5+ years experience configuring,managing and troubleshooting Servers and IT Infrastructure in Data Center Environment. Some of my expertise includes: ○ Linux Servers that includes Centos,RHEL,Ubuntu,Oracle Server ○ Virtualization platform Vmware,KVM,Proxmox,OpenStack and Power Virtualization ○ Private and Public Cloud Platform Vmware,OpenStack,Oracle PCA,AWS ○ Open Source technologies Docker, Ansible, Kubernetes ○ Web Hosting Platforms WHM,CWP,Plesk,CyberPanel ○ Webservers(apache,nginx), Email Servers(posfix,exim),DNS Servers(bind,powerdns) ○ Databases Technologies (MySQL,PostgreSQL,MariaDB) ○ Bash Shell Scripting ○ Networking Technologies Huawei,Cisco ○ Troubleshooting and fixing issues

I am a certified Identity and Access Management Engineer with 3+ years of experience in SSO integration, identity federation (including M&A scenarios), and identity governance, along with 5+ years of experience in enterprise security, system administration, and network engineering. I design and implement scalable, secure IAM solutions that protect digital identities, streamline access, and ensure compliance. ✅ What I offer? - Single Sign-On (SSO) and federated authentication (SAML, OIDC) setup - OAuth 2.0 deployment for secure API/service access - Multi-Factor Authentication (MFA), including passwordless and adaptive options - Automated identity lifecycle management (SCIM, onboarding/offboarding) - IAM for customers and workforce using Okta, Microsoft Entra ID (Azure AD), Ping Identity - Role-based and attribute-based access controls (RBAC, ABAC) - Secure AWS/Azure IAM (roles, policies, least privilege) - SIEM dashboards and alerts for threat detection - Audit-ready IAM documentation and compliance alignment (ISO, SOC2, HIPAA) 🌟 Why hire me? - Deep IAM and cloud security expertise - Security-first, business-focused solutions - Clear communication and reliable delivery 🛠️ Skills & Tools: Okta, Microsoft Entra ID (Azure AD), Active Directory, Ping Identity, Sailpoint, CyberArk, Centrify, Splunk, AWS, Azure, Windows Server, Linux Server, Python, Docker, ServiceNow, VMWare, Routing & Switching, Firewall, Zscaler Whether you're building a cloud IAM system from scratch, managing identity integration during a merger or acquisition, transitioning to a Zero Trust architecture, or simply want tighter control over identity and access—I'm here to help. Let’s connect and make your digital environment more secure, efficient, and compliant—with confidence.

I'm a Solution Consultant with a passion for solving business problems using technology. I have over a decade of experience in the tech industry, specializing in the use of Power Apps and Network Solution to streamline workflows and automate manual processes. My journey began as a network/automation engineer, where I gained a deep understanding of how technology can be used to solve complex problems. However, I quickly realized that many businesses were struggling to keep up with the ever-changing demands of the market. That's when I discovered Power Apps and realized the potential it had in transforming the way businesses operate. Over the years, I have worked with clients across various industries, including finance, healthcare, and retail. I take a customized approach to consulting, working closely with my clients to understand their unique needs and challenges. This allows me to develop solutions that are tailored to their specific requirements.

I build secure, scalable .NET platforms and AI-enabled systems using clean architecture, high-performance API design, and cloud-ready engineering. If you need someone who can both ship and run delivery end-to-end, I’m a strong fit. I specialize in .NET services, data processing pipelines, and integration-heavy platforms - the type of engineering needed for AI systems that maintain context, orchestrate data, and operate reliably at scale. I prefer long-term or full-time roles on AI-driven products, especially those involving intelligent automation, RAG pipelines, data orchestration, and high-scale backend systems. 🔧 What I Build • High-performance .NET APIs (minimal APIs, async/await, pipelines) • Background services, workers, schedulers, event-driven components • Data ingestion & integration pipelines (Graph APIs, Google APIs, Slack, email, storage) • Scalable cloud-ready backend systems (Azure Logic Apps, Functions, containers, Kubernetes) • Frontend applications using React, Angular, or Vue.js with clean architecture, reusable components, and API-driven state management • Privacy-first & security-first architecture (OWASP, PCI DSS, strong auth, least privilege, observability) • RAG + AI inference pipelines optimized for reliability, latency, and cost efficiency 🧰 Technical Stack • .NET / C#: .NET 8-10, ASP.NET Core, EF Core, background services, async/await, high-performance pipelines • Frontend: React, Angular, Vue.js (TypeScript-first approach) • APIs: RESTful design, DTO mapping, HTTP clients, OAuth 2.0, API key authentication • Containers: Docker build/run/debug, multi-stage builds, containerized local dev workflows • Data & Messaging: SQL Server, MongoDB, Redis, Kafka/RabbitMQ, CQRS, event-driven architectures • AI/ML: RAG pipelines, embeddings, ranking, OpenAI / Azure OpenAI integrations • Cloud & DevOps: Azure, CI/CD automation, Kubernetes, logging/metrics/tracing (observability) 🛡️ Security & Reliability • OWASP-based engineering • Strong API authentication design • Observability, logging, tracing, metrics • Clean CI/CD pipelines with safe deployment strategies 🏆 Credibility • 15+ years delivering enterprise-grade .NET systems • PhD (AI / Applied ML) + MBA (Project Management) • 8K+ Upwork hours | 100% Job Success 🎓 Professional Certifications Top-Tier Cloud & Architecture Certifications • Microsoft Certified: Azure Solutions Architect Expert Modern Software Engineering & Web Development • Microsoft Certified Solutions Developer (MCSD): App Builder (Charter Member) • Microsoft Certified Solutions Developer (MCSD): Web Applications • MCSA: Web Applications • Microsoft Specialist: Programming in HTML5 with JavaScript and CSS3 Secure Software Engineering • EC-Council Certified Secure Programmer .NET v8 Cloud & Infrastructure • Microsoft Certified Solutions Expert (MCSE): Cloud Platform & Infrastructure (Charter Member) • Microsoft Certified Solutions Expert (MCSE): Server Infrastructure Database, BI & Enterprise Data • Microsoft Certified IT Professional (MCITP): Database Administrator (SQL Server) • Microsoft Certified IT Professional (MCITP): Database Developer (SQL Server) • Microsoft Certified IT Professional (MCITP): Business Intelligence Developer (SQL Server) Legacy • Microsoft Certified Professional Developer (MCPD): Web Developer • Oracle Certified Professional, Java SE 6 Programmer 📩 If you need a lead engineer who can deliver modern .NET services, intelligent pipelines, and production-grade AI capabilities, send your requirements and timeline.