Rifki Desdiniman
System Administrator / IT Operations
A dedicated System Administrator & IT Operations professional with a background in Information Technology Education and extensive hands-on experience managing Linux/VPS production infrastructures. Highly proficient in application deployment, real-time telemetry monitoring, troubleshooting, disaster recovery planning, and core web ops including DNS zone tuning and SMTP deliverability routing.
Ensuring application stability and systems infrastructure integrity.
I am a dedicated System Administrator & IT Operations Specialist based in Gorontalo, Indonesia, with a formal academic background in Information Technology Education. My career spans over eight years of hands-on technical experience, evolving from local hardware troubleshooting and project-based network installations to managing and maintaining highly available cloud server clusters.
My professional philosophy centers on three core pillars: proactive monitoring, resilient redundancy, and absolute system ownership. I believe that an efficient system is one that anticipates failures before they affect the end user. Rather than simply reacting to downtime incidents, I focus on building robust infrastructure fortified with automated alerting, offsite backups, and optimal mail routing policies.
Combining a structured educational foundation with years of solving complex, real-world technical crises, I excel at translating company objectives into clean, maintainable server architectures. I coordinate seamlessly with internal developer teams and external infrastructure vendors to keep IT operations stable, compliant, and performing at peak efficiency.
High Availability Focus
Every asset, database, and application release requires redundant configuration and real-time status alerts to protect production uptime.
Clear Technical Transfer
My IT Education background enables me to bridge technical communication gaps, thoroughly document operations, and mentor team members.
Operational Specs
$ ssh-keygen -t ed25519 -C "ops@rdesdi.my.id"
# Authorized hosts only. Password access disabled on all active Ubuntu VPS instances.
Hands-on technical responsibilities I manage daily.
From physical troubleshooting to distributed cloud management, I ensure your IT assets are highly available, secured, monitored, and optimized.
Linux Server Administration
Full-lifecycle administration of production Ubuntu server environments. Provisioning, security hardening, user access management, and resource optimization managed through the aaPanel control dashboard.
Infrastructure Monitoring
Real-time telemetry and resource usage tracking across all production nodes. Leverages Node Exporter, Prometheus TSDB, and Alertmanager integrations to capture metrics and dispatch notifications.
Backup & Disaster Recovery
Zero-data-loss protection strategies. Custom cron scripts handle automatic, scheduled SQL database exports, streaming encrypted tar.gz assets to secure Cloudflare R2 object storage via optimized rclone pipelines.
Email Infrastructure & SMTP
Advanced email routing architectures. Standardizing transactional and high-volume outreach deliveries across AWS SES, Google Workspace, and custom relays, enforcing SPF, DKIM, and DMARC alignment.
Membership & Web Operations
Seamless integration and high-performance hosting for transactional membership portals and corporate web properties utilizing aMemberPro, Nginx, PHP-FPM, and MariaDB clusters.
Desktop Client Maintenance
Debugging, operational upkeep, and binary compilation of custom internal desktop software built on ElectronJS, streamlining local file integrations and securing IPC communication channels.
Operational career path & work experience.
Hands-on operational roles managing company assets, educational initiatives, and local physical infrastructure deployments.
System Administrator & IT Operations Active Role
PT Klik Digital Teknologi
- Manage production Linux (Ubuntu) VPS instances using aaPanel to host high-traffic, dynamic corporate web platforms.
- Configure provisioning, application deployments, Prometheus/Grafana monitoring dashboards, and perform systems troubleshooting.
- Maintain and administer the company's centralized digital membership registration and checkout pipelines using aMemberPro.
- Coordinate actively with internal software engineers and external hosting/infrastructure vendors to maintain operational stability.
- Develop, manage, and optimize core business websites to guarantee high performance, low latency, and continuous uptime.
- Manage DNS zones on Cloudflare and orchestrate SMTP/mail routing across AWS SES, Google Workspace, Gmail, and custom relays.
- Design and validate automated daily database and assets offsite backups utilizing aaPanel cron and rclone to Cloudflare R2.
- Integrate ancillary cloud solutions, including Firebase APIs and Cloudflare CDN caching rule sets.
- Debug, refactor, and compile binaries for cross-platform desktop administrative tools built on ElectronJS.
- Research and implement novel technical utilities to automate routine operational tasks and streamline engineering workflows.
IT Technician
Freelance / Contractor
- Deliver hardware assembly, operating system configuration, software diagnostics, and local area network structured cabling services.
- Provide rapid-response technical troubleshooting for commercial and retail clients to resolve hardware failures and software conflicts.
Student Teacher — Computer Engineering & Networking
SMK Negeri 1 Limboto
- Designed, structured, and taught computer engineering and network administration lesson modules for vocational school students.
- Participated in laboratory troubleshooting, system upkeep, and structured ethernet/LAN cabling projects.
Formal education foundation.
Structuring systems design logic through intensive Information Technology Education and hands-on networking coursework.
Bachelor of Education (S.Pd.) in Information Technology Education
State University of Gorontalo
Graduated with a focus on computer networking, technology-integrated educational media, and computer systems architecture. Conducted practical thesis research in application implementation.
Vocational High School Diploma (Computer Engineering & Networking)
SMK Negeri 3 Gorontalo
Specialized in computer hardware assembly, routing protocols (MikroTik/Cisco), structured network cabling, and server operating system fundamentals.
Technical stack & operations tooling.
A comprehensive overview of system libraries, configuration management, databases, and programming languages I use to keep production systems optimized and responsive.
Server Administration & OS
Observability & Monitoring
DevOps & Data Protection
Email Infrastructure & DNS
Databases & Cloud Systems
Development & Platforms
Proven infrastructure solutions.
Real system engineering engagements, complete with core responsibilities, specific constraints, and the strategic actions taken to secure stable outcomes.
Production Infrastructure Management
Continuous architecture optimization and management of Linux VPS servers powering high-traffic digital marketing systems.
Key Responsibilities & Deliverables
- Provisioned virtual Ubuntu Linux instances and structured server nodes using aaPanel.
- Hardened server security via system firewalls, SSH key custom configurations, and strict filesystem permission controls.
- Optimized Nginx configurations and fine-tuned PHP-FPM pools to handle concurrent customer checkout spikes gracefully.
Sudden traffic surges during new product launches led to database exhaustion and 502 Bad Gateway responses.
Configured robust memory caching in Redis, optimized MySQL slow query indexing, aligned aaPanel connection pools, and established dynamic PHP-FPM worker allocations to scale performance under heavy loads.
Observability & Monitoring Infrastructure
Designed and deployed an enterprise-grade Prometheus-Grafana stack to track hardware resources, application services, and network response health.
Key Responsibilities & Deliverables
- Provisioned Grafana instances and custom metric dashboards to provide complete, real-time system visibility.
- Installed Node Exporter across all remote production VPS environments to gather low-level OS metrics.
- Linked Alertmanager with corporate Slack and Email endpoints for instantaneous outage notifications.
Disaster Recovery & Remote Offsite Backups
Built automated cron pipelines backing up production databases, user assets, and application states to secure, decentralized offsite storage.
Key Responsibilities & Deliverables
- Authored shell scripts scheduled via cron to automate highly compressed SQL database dumps.
- Integrated rclone to synchronize encrypted backups directly to Cloudflare R2 object storage.
- Designed and executed routine data restoration drills to verify file integrity and disaster readiness.
High-Deliverability Email Integration
Centralized and stabilized enterprise domains, transactional email SMTP senders, and DNS security frameworks.
Key Responsibilities & Deliverables
- Migrated and centralized fragmented corporate DNS namespaces onto Cloudflare Edge servers.
- Configured transactional and high-volume email delivery using AWS Simple Email Service (SES) with exceptional inbox rates.
- Implemented domain security standards including SPF, DKIM, and DMARC record alignments across outreach marketing channels.
Membership System & Payment Gateway Tuning
Upgraded, secured, and maintained the transactional backend of the company's centralized digital membership registration platform.
Key Responsibilities & Deliverables
- Configured, hardened, and maintained the PHP-based aMemberPro digital licensing application.
- Connected secure payment processors, automated webhooks, and structured subscription tracking mechanisms.
- Managed system upgrades, database schema migrations, and secure customer session tracking.
Electron Desktop Utility Maintenance
Debugged and maintained the operational stability of desktop client tools utilized by internal coordinators.
Key Responsibilities & Deliverables
- Investigated and resolved runtime exceptions within the ElectronJS renderer and main processes.
- Ensured secure inter-process communication (IPC) for local filesystem data manipulation.
- Built and signed application installers for distribution across Windows and macOS workstations.
Industry certifications.
Officially issued credentials from leading tech validation institutes verifying expert command over server orchestration and routing layers.
Become a Linux System Administrator
Learn DevOps Basics
Networking Basics
Computer Networking for Beginners
Computer Hardware Basics
Operating Systems Basics
Looking for my physical CV?
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Quick communication directory.
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Professional LinkedIn Profile
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Technical GitHub Repositories
Explore my system automation scripts, web-ops configuration files, and desktop prototypes.
Verified Technical Certifications
Browse official digital credentials from Cisco Academy, Dicoding Indonesia, and IT partners.
Secure Direct Email
Reach out directly to me@rdesdi.my.id for system administration and server consulting queries.
Direct WhatsApp Connection
Reach my mobile channel instantly for critical outage reports or emergency response.
Let's discuss infrastructure stability.
Reach out for direct systems consulting, technical operations, or full-time opportunities. I respond promptly to secure lines.