Linux System Administrator

I’m a multi-skilled IT professional with expertise in Linux System Administration, DevOps, Web Design, and Web Development. Also manage and secure Linux-based servers, automate deployment workflows, and monitor infrastructure using tools like Docker, Jenkins, Git, and Kubernetes.

As a creative Web Designer and Developer, I craft responsive, user-friendly websites and applications using HTML, CSS, JavaScript, PHP, Laravel, and React—while applying strong UI/UX principles with tools such as Figma and Adobe XD.

I also work as a Freelancer, providing end-to-end IT and web solutions, including server setup, custom website development, and technical support—ensuring each project is delivered efficiently and effectively.

0 Projects Completed
0 Years Experience
0 Happy Clients
UI/UX Design
Development
Creative Ideas
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About

A versatile tech leader with end-to-end expertise in product development, from conception to operation.

Profile

Building meaningful digital experiences through creative code.

Hi, I'm Jeffri Gunawan - A Linux System Administrator DevOps

A dedicated and results-driven IT professional with over 11 years of experience in developing, managing, and implementing innovative technology solutions. Adept at problem-solving and optimizing system performance, ensuring seamless IT operations and delivering projects on time.

UI/UX Design

I design user interfaces that blend functionality and beauty. Whether it's mobile apps, websites, or dashboards, I focus on making each design intuitive and delightful for users.

Frontend Dev

I develop responsive websites and web apps with a strong emphasis on performance, accessibility, and maintainability. From landing pages to complex dashboards, I bring design mockups to life with clean, structured code.

DevOps

I design and maintain automated CI/CD pipelines, manage infrastructure as code, and monitor system performance to keep services fast and reliable. I’m passionate about solving bottlenecks and improving delivery workflows for both startups and enterprise environments.

2014
I am a vocational school graduated majoring in Software Engineering. I have hands-on experience in building websites and applications using HTML, CSS, JavaScript, and PHP. My passion lies in creating clean, functional, and user-friendly digital solutions, and I’m eager to keep learning and growing in the world of technology.
2022
I am a graduate of Pamulang University, majoring in Informatics Engineering. Throughout my academic and personal projects, I’ve gained experience in programming, web development, and database management. I’m passionate about creating efficient, scalable, and user-friendly digital solutions, and I’m always eager to learn and grow as a tech professional.
Passionate about creating clean, responsive, and user-friendly designs that solve real problems through thoughtful UI/UX.

Frontend Development

HTML/CSS 95%
JavaScript 88%
Vue.js 82%

Backend Development

PHP 78%
Laravel 75%
MySQL 72%

Design & Tools

Figma 85%
Photoshop 70%
Illustrator 68%

Cloud & DevOps

AWS/GCP/Server Cloud 76%
Docker 73%
Git 90%

Professional Expertise

Skilled in frontend development using HTML/CSS, JavaScript, and Vue.js, combined with strong design sense using tools like Figma, Photoshop, and Illustrator. Experienced in backend development with PHP, Laravel, and MySQL. Familiar with cloud and DevOps tools including AWS, GCP, Docker, and Git to support scalable and efficient deployments.

11+ Years Experience
50+ Projects Completed
50+ Happy Clients

Resume

Here’s a snapshot of my career path, highlighting the roles, responsibilities, and projects that have shaped my skills in development, infrastructure, and technology solutions.

Professional Journey

Throughout my career, I’ve embraced challenges that pushed me to learn and collaborate better. This journey section highlights key milestones, roles, and achievements that shaped who I am as a tech professional today.

Senior Linux System Administrator / DevOps

PT. Dua Sisi Sejahtera

2023 - Present

At PT. Dua Sisi Sejahtera, I worked as a Senior Linux System Administrator, managing various server infrastructures and hosting environments. My responsibilities included:

  • Managing server billing and subscriptions from providers like OVHcloud, Contabo, Rumahweb, WHMCS, and services like CloudLinux, Imunify360, and IDrive e2.
  • Installing, configuring, and maintaining WHM/cPanel and VirtualMin servers for multi-tenant hosting solutions.
  • Implementing server security, including anti-DDoS setup, system hardening, and firewall configurations.
  • Handling Cloudflare integration, DNS management, nameserver pointing, and Worker setup.
  • Setting up Laravel projects from scratch including environment configuration and deployment.
  • Managing Pritunl VPN servers for secure internal team access.
  • Deploying and configuring Proxmox VE 8.4 for server virtualization, HA cluster, and NFS/remote storage.
  • Operating and maintaining PBN servers for SEO at scale, including Wayback restorations for strategic content replication.
  • Building custom web pages for mini-game statistics and percentage tracking.

IT Staff / System Administrator / DevOps

PT. WEBARQ Web Architect Technology

2021 - 2023

Responsible for managing internal IT systems and DevOps infrastructure, including:

  • Installing and configuring operating systems such as Windows 10, Ubuntu, and macOS (MacBook Pro, Air, Desktop) for internal devices.
  • Deploying standard company software like MatterMost, AVG Antivirus, Adobe Creative Cloud, Microsoft Office, Dropbox, Visual Studio, GitLab, and GCP access tools for design and development teams.
  • Managing fingerprint access systems and Active Directory for both internal teams (WEBARQ) and external collaborators (Cxrus, Olaif, FLIQ).
  • Administering cloud servers on Google Cloud Platform (Compute Engine, App Engine, Cloud Storage, GKE, BigQuery) and Tencent Cloud.
  • Setting up Laravel projects from scratch including environment configuration and deployment.
  • Configuring Kubernetes Engine, including cluster management, autopilot mode, and pod management.
  • Setting up and maintaining GitLab servers for back-end, front-end, and full-stack development teams.
  • Performing hardware maintenance such as OS reinstallation, RAM upgrades, and storage improvements for developer and designer devices.

System Administrator / DevOps

PT INET Global Indo Enterprise & PT Rekan Usaha Mikro Anda

2019 - 2021

At these organizations, I was responsible for ensuring the performance and availability of both cloud and on-premise infrastructure. I handled cloud server monitoring, automated support workflows, and system-level administration to support business operations and technical reliability.

  • Monitored server & service performance in Google Cloud Platform (GCP) to ensure system stability.
  • Automated ticket generation and escalation via Jira Service and Slack.
  • Managed mass SMS blasting to clients for operational and technical updates.
  • Configured monitoring tools: Nagios, Datadog, Cacti, Zabbix.
  • Installed and troubleshot Proxmox, VMware, and hosting control panels: WHM, cPanel, Plesk, etc.
  • Administered email servers (MDaemon, Postfix, Exim), VoIP, and backup systems (QNAP, FreeNAS).
  • Managed firewalls (Sophos), video conference servers (Jitsi, BigBlueButton), and cloud storage (Nextcloud, OwnCloud).
  • Performed OS and Microsoft Office reinstallations for internal users.
  • Executed daily backups of servers, databases, and web apps.
  • Handled vendor coordination for internal and client-side service renewals.
  • Created and maintained virtual machines in Proxmox & VMware environments.
  • Configured AWS infrastructure to support the Fastlab.id platform.
  • Installed and reset firmware for internal printer devices.

Academic Excellence

I have consistently demonstrated a strong academic foundation throughout my educational journey. My commitment to learning and critical thinking has shaped my ability to solve complex technical problems and adapt to new technologies with confidence. From mastering IT fundamentals to excelling in system administration and cloud computing, my academic background supports my practical expertise in the professional world.

Bachelor’s Degree in Informatics Engineering

2018 - 2022

Pamulang University

I am a graduate of Pamulang University, majoring in Informatics Engineering. During my studies, I developed a strong foundation in programming, computer networks, system administration, and database management. My academic experience has equipped me with both theoretical knowledge and hands-on skills that I now apply in real-world IT environments.

Software Engineering

2011 - 2014

SMK Bina Putra Mandiri

I am a vocational school graduated majoring in Software Engineering. This vocational education provided a strong technical foundation in programming, database design, and software development life cycles. I gained early exposure to practical coding, system design, and teamwork in tech-based projects.

Services

I provide end-to-end IT solutions tailored to support both individuals and businesses in achieving optimal system performance, scalability, and security. With a background in system administration, DevOps, and cloud infrastructure, I deliver services that combine technical precision with reliability.

Digital Solutions

Empowering businesses through innovative and scalable digital solutions. I specialize in crafting tailored IT infrastructures, cloud systems, and automation tools that streamline workflows, enhance security, and support business growth in the digital era.

Secure Systems

Protecting digital assets with robust, multi-layered security solutions. I focus on implementing proactive security frameworks, firewalls, and monitoring systems to safeguard servers, applications, and data against modern cyber threats.

Growth Strategy

Empowering business expansion through strategic IT infrastructure and scalable digital solutions. I help companies streamline operations, enhance system reliability, and optimize performance to support sustainable growth.

AI Integration

Integrating Artificial Intelligence to streamline operations, enhance decision-making, and unlock data-driven innovation. I help businesses adopt AI technologies that align with their goals and transform workflows into smarter, automated systems.

Cloud Services

Empowering scalability, flexibility, and reliability through tailored cloud infrastructure. I specialize in designing, deploying, and managing cloud-based environments to support seamless business operations and digital transformation.

Process Automation

Optimizing workflows by automating repetitive tasks, reducing human error, and increasing operational efficiency. I implement smart automation systems that streamline internal processes, from IT operations to business communication.

Contact

Let’s connect and collaborate. Whether you’re interested in working together, discussing a project, or simply want to say hello — I’d love to hear from you.

Contact Info

Stay connected with me through the following contact channels. I am available for project discussions, consultations, or any professional inquiries.

Our Location

Jakarta

Indonesia

Phone Number

+62 8968 8358 522