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🔧 Software Developer | System Administrator | Linux Server Expert | PHP & Python Specialist Welcome! I’m a dedicated and versatile Software Developer and System Administrator with extensive hands-on experience designing, developing, and deploying complex web applications and managing robust Linux-based server infrastructures. With a solid background in full-stack development, server architecture, and DevOps practices, I bring a unique blend of software engineering and system-level expertise—allowing me to build scalable applications while also ensuring optimal performance, uptime, and security on the backend. ⸻ 💻 Web & Software Development Expertise I specialize in developing dynamic and secure web applications using modern technologies and frameworks, with a focus on clean code, performance, and scalability. Languages & Frameworks: • PHP (Laravel, CodeIgniter, custom frameworks) • Python (Flask, Django, scripting, automation) • JavaScript, HTML5, CSS3, Bootstrap Database Management: • MySQL / MariaDB • PostgreSQL • SQLite • phpMyAdmin setup & optimization Web App Capabilities: • RESTful API development • Backend business logic and integrations • User authentication systems • Admin dashboards and reporting tools • Third-party API integration (payment gateways, social logins, etc.) I can work on both small-scale scripts and enterprise-level applications—designing systems from the ground up or jumping into existing projects with ease. ⸻ 🛠️ System Administration & DevOps As a certified Linux administrator, I have deep experience managing Linux-based environments, ensuring secure, stable, and scalable server operations. Operating Systems: • Ubuntu • CentOS • Red Hat Enterprise Linux (RHEL) • Debian Core System Admin Services: • Server provisioning and configuration • Apache, NGINX, and PHP-FPM setup • Firewall and network configuration • Shell scripting and automation • Backup strategies and disaster recovery Security & Optimization: • Hardening Linux servers • SSL/TLS certificate installation (Let’s Encrypt, custom) • Fail2Ban and intrusion detection setup • Load balancing and high availability configurations • Performance tuning for web and database servers Application Hosting & DevOps: • Web app deployment (PHP, Python, Node.js) • Database installation and tuning (MariaDB, MySQL) • FTP/SFTP and SSH server setup • Monitoring tools (Nagios, Zabbix, Netdata) • Version control with Git and GitHub/GitLab • CI/CD Pipelines setup ⸻ 🔗 Integrated Services I offer end-to-end solutions—from writing application code to deploying and securing it in a production environment. • Install and configure WordPress, Magento, and other CMSs • Setup and migrate servers or websites (Namecheap, GoDaddy, DigitalOcean, AWS, etc.) • Domain and DNS management • Email server configuration (Postfix, Dovecot) • SSL setup and renewal automation • Troubleshooting issues and performance bottlenecks ⸻ 🧠 Why Work With Me? • ✅ Versatility – I can handle both development and infrastructure. • ✅ Problem Solver – I don’t just patch issues—I fix root causes. • ✅ Client-Centric – Clear communication, on-time delivery, and post-project support. • ✅ Security-First Mindset – Security and uptime are always a priority. • ✅ Reliable & Responsible – You can trust me to own the task from start to finish. Whether you’re looking to build a robust web application, automate backend processes, or manage your server environment with confidence—I can help bring your vision to life. ⸻ 📬 Let’s Talk I’m available for: • Long-term collaborations • One-time troubleshooting tasks • System audits and security reviews • Full-stack web app development • DevOps and server architecture consulting Send me a message and let’s discuss how I can help with your next project.

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.

I am a dedicated and hard-working graduate with a Bachelor's degree in Computer Science from ISMT College. Throughout my academic journey, I was consistently recognized by professors and peers for my diligence and commitment to excellence. During my time at college, I actively participated in both academic and extracurricular projects, which allowed me to develop strong critical thinking, interpersonal, and communication skills. I now aim to leverage these skills to build a successful career in network administration. Core skills:- Proficient in Microsoft 365 (exchange, domain, licenses, MFA, user management) Proficient in Microsoft Office Suite (Excel, Word, PowerPoint). Skilled in data entry for accurate record keeping. Customer service across different levels and areas of responsibility. Data Cleansing and Formatting Data Mining and Extraction Excel and Google Sheets Proficiency (lookup, vlookup, other functions) CRM Data Management Typing Speed of 50 WPM Strong Attention to Detail Internal Ticketing system Server & Directory Support: Skilled in server maintenance, support, and MS Active Directory management. Software & System Support: Expertise in supporting Windows OS, Mac OS Experienced in Monitoring and Management through Nagios, cacti, observium and libre. Experienced in Monday.com I have the following experience in the field of network administration :- • Monitor IP/MPLS, DWDM, FTTH, WiFi Hotspots, SDH and Wireless network infrastructure • Outage reporting and documentation. • Prepare and edit necessary database for proactive monitoring. • Configured networks for smooth, reliable operation to meet business processes and objectives. • Performed day-to-day LAN and WAN administration, maintenance and support. • Assist NOC/Server with various matters on Data Center. Technical Expertise: • Proficient in troubleshooting hardware and software issues across various platforms (Windows, macOS). • Familiar with network configuration and troubleshooting (TCP/IP, DNS, DHCP). Customer Support: • Strong background in providing excellent customer service and technical support to end-users. • Ability to explain complex technical concepts in a clear and accessible manner. Issue Resolution: • Experienced in diagnosing and resolving issues efficiently, minimizing downtime for users. • Skilled in using ticketing systems to track and manage support requests. System Administration: • Knowledgeable in maintaining and configuring servers and workstations. • Experience with Active Directory, user account management, and permissions settings. •Firewall Management: Expert in Palo Alto and Cisco FMC/FTD firewalls – setup, policy management, VPNs, and threat prevention. •Load Balancing & WAF: Skilled in configuring load balancers and Web Application Firewalls (WAF) for traffic optimization and app security. •DNS Management: Experience with DNS setup, record management, and securing DNS with providers like Cloudflare. Remote Support: • Proficient in using remote support tools (e.g., TeamViewer, AnyDesk) to assist users effectively. • Capable of conducting remote training sessions to enhance user proficiency. Documentation: • Strong documentation skills, creating user manuals, troubleshooting guides, and IT procedures. • Maintain accurate records of incidents and resolutions for future reference. Team Collaboration: • Ability to work collaboratively with cross-functional teams to implement IT solutions. • Experience in training and mentoring junior support staff. Continuous Improvement: • Committed to staying current with industry trends and emerging technologies. • Proactive in identifying opportunities to improve processes and enhance user experience.

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.

📌 About Me Certified and results-driven Microsoft 365 Security & Compliance Consultant with over 16 years of IT experience, specializing in Intune, Defender XDR, Microsoft Sentinel, Zero Trust, and compliance frameworks like ISO 27001, GDPR, HIPAA, GCC High/CMMC Level 2, SOC 2. Adept at deploying secure enterprise-grade Microsoft cloud environments, conducting security audits, delivering security awareness training, and ensuring business continuity. 1. Core Expertise Microsoft 365 Security & Compliance Tenant architecture, deployment & migration Microsoft Defender XDR, MFA, mail hygiene & Zero Trust Compliance frameworks: GDPR, ISO 27001, HIPAA Device Management & Hardening Intune MDM policies, endpoint security, patch compliance Windows Server—AD, GPOs, VPN, RDS, hybrid Azure AD SIEM & Incident Response Microsoft Sentinel, Elastic Stack, Defender integration Real-time threat detection, forensic investigation Building security alert pipelines, playbooks & KPIs Security Assessments & Training Vulnerability scans, secure score optimization Employee awareness programs, audit readiness GCC High, CMMC Level 2, SACS-002 Compliance Translation to Intune Policies for regulated industries through Microsoft 365 2. Windows Server & Active Directory ✅ Windows Server deployment & administration ✅ Active Directory setup, Group Policy & role-based access control ✅ Remote Desktop Services (RDS) & VPN configuration ✅ Windows Server security best practices & hardening ✅ Hybrid cloud solutions (Azure AD integration) 3. Security & Compliance ✅ Security monitoring with SIEM solutions (Microsoft Sentinel, Elastic Stack) ✅ Microsoft 365 Vulnerability assessments & security patching ✅ Microsoft 365 Incident response & forensic analysis ✅ Microsoft 365 Zero Trust security framework implementation ✅ Microsoft 365 Email security, phishing protection & MFA configuration 4. IT Support & Consulting ✅ Remote IT troubleshooting & technical support ✅ Cloud architecture & IT infrastructure consulting ✅ Performance optimization for Microsoft 365 & Windows servers ✅ Disaster recovery planning & business continuity ✅ IT security awareness training for employees 🛠️ How I Work Remotely 📌 Secure Remote Access: AnyDesk, Microsoft Remote Desktop, VPN 📌 Communication & Collaboration: Microsoft Teams, Slack, Email 📌 Project Management: Asana 📌 Security & Compliance: NDA & data protection measures ensured 📌 Billing & Invoicing: Upwork and Direct Bank Transfer 📈 Success Stories & Case Studies 🛠 Deployed & secured Microsoft 365 for a global MSP handling 500+ users 🛠 Deployed & secured Microsoft 365 for an university handling 300 thousand+ users 🛠 Implemented Microsoft Defender & SIEM for an MSSP, reducing cyber threats by 70% 🛠 Optimized Windows Server & Active Directory for a multinational, improving efficiency by 40% 🚀 Let’s Work Together! 🌐 LinkedIn: sachin-jung-karki-4557a49a 👉 Ready to optimize your Microsoft 365 & Windows Server environment? Let’s connect today!

Hi! I’m Shahid Alam, a network systems specialist with 10+ years of experience in FTTH and wireless network design, deployment, and security. I’ve worked with ISPs, startups, and enterprises to deliver reliable, scalable infrastructure. I also lead a skilled team of certified professionals in software development, DevOps, automation, and UI/UX design — offering complete solutions from network to code. ✅ Development & Maintenance ✅ Collaboration & Project Management ✅ Code Review & Optimization ✅ Support & Bug Fixes Software Development and DevOps Excellence: ✅ Certified DevOps Engineer: Pioneering Efficiency and Collaboration ✅ Full stack PHP, Python & .Net: Mastering the Art of Full Stack Development ✅ Machine Learning, Data Science: Shaping the Future with Data Insights ✅ LMS, Moodle: Redefining Learning Management Systems ✅ Mobile App Development Flutter, Native, Java, Kotlin: Crafting Seamless Mobile Experiences ✅ MERN, ERP, & Odoo: Elevating Business Processes ✅ Game Development Network Administration and Security Mastery: ✅ JNCIS, CCNP, Red Hat Certified: Architects of Secure and Robust Networks ✅ Certified Ethical Hacker Master: Safeguarding Digital Frontiers Graphic Design that Elevates User Experience: ✅ UX/UI, Photoshop, Green Sock: Crafting Visual Experiences that Resonate Let’s connect and bring your vision to life — whether it’s a secure network, a powerful app, or a stunning user experience.