• IT INFRASTRUCTURE & DEVOPS SPECIALIST• IT INFRASTRUCTURE & DEVOPS SPECIALIST

INFRASTRUKTUR SERVER,JARINGAN &DEVOPSSERVER, NETWORK& DEVOPSINFRASTRUCTURE

Praktisi IT Infrastructure dengan pengalaman hands-on dalam mengelola Linux server, jaringan enterprise (FortiGate & MikroTik), sistem cloud & on-premise, containerization, hingga IT support operasional.IT Infrastructure professional with hands-on experience managing Linux servers, enterprise networking (FortiGate & MikroTik), cloud & on-premise environments, container platforms, and operational IT support.

LIHAT PROYEKVIEW PROJECTSHUBUNGI SAYACONTACT ME
Ahmad Jaelani
Ahmad Jaelani
AVAILABLE FOR IMPACTAVAILABLE FOR IMPACT
⚡ IT Infra & Linux
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Tentang SayaAbout Me

Saya berpengalaman mengelola infrastruktur IT, administrasi sistem Linux, jaringan, hingga operasional DevOps. Fokus utama saya adalah memastikan seluruh server, jaringan, dan sistem pendukung perusahaan berjalan lancar, aman, serta siap mendukung operasional bisnis secara stabil.I work across IT infrastructure, Linux system administration, networking, and DevOps operations. My main focus is ensuring servers, networks, and supporting systems run smoothly, securely, and reliably to support business continuity.

Bagi saya, ketersediaan sistem (uptime), keamanan data, dan pemeliharaan yang terencana adalah prioritas utama. Saya selalu berusaha membangun infrastruktur yang efisien, mudah dirawat, dan tepat sasaran sesuai kebutuhan tim.System availability (uptime), data security, and structured maintenance are my top priorities. I focus on building efficient, maintainable infrastructure aligned with real operational requirements.

Infrastruktur & JaringanInfrastructure & NetworkingServer Linux, FortiGate, MikroTik & CloudLinux Server, FortiGate, MikroTik & Cloud
Monitoring & KontinuitasMonitoring & ContinuityDashboard Grafana, Backup & DRGrafana Dashboard, Backup & DR
Operasional KontainerContainer OperationsDocker, MicroK8s & Pipeline CI/CDDocker, MicroK8s & CI/CD Pipeline
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Keahlian UtamaCore Technical Capabilities

Keahlian teknis yang mencakup jaringan enterprise, administrasi Linux, operasional kontainer, dan dukungan infrastruktur.Specialized skills spanning enterprise networking, Linux administration, container operations, and infrastructure support.

IT Infrastructure & NetworkingIT Infrastructure & Networking

Pengelolaan infrastruktur On-Premise & Cloud — mulai dari konfigurasi FortiGate Next-Gen Firewall, routing MikroTik, VPN antar cabang, DNS, Nginx reverse proxy, hingga skenario Disaster Recovery (DRC).Managing On-Premise & Cloud infrastructure — encompassing FortiGate Next-Gen Firewalls, MikroTik routing, site-to-site VPN, DNS, Nginx reverse proxy, and Disaster Recovery Center (DRC) architecture.

Fortinet FortiGateMikroTikTCP/IPVPNDNSCloudflareNginxAWS

Linux System AdministrationLinux System Administration

Setup, konfigurasi, dan maintenance server Linux (Ubuntu/Debian) untuk menjaga performa layanan tetap stabil, aman dari potensi kendala, serta mudah dipantau.Installation, configuration, and maintenance of Linux servers (Ubuntu/Debian) to ensure system reliability, security compliance, and proactive monitoring.

Ubuntu ServerSystemdSSHFirewallSSL/TLSBackupMonitoring

DevOps & Container InfrastructureDevOps & Container Infrastructure

Otomatisasi deployment aplikasi menggunakan Git, Docker, MicroK8s Kubernetes, CI/CD pipeline Jenkins, private image registry, dan S3 object storage MinIO.Application deployment automation utilizing Git, Docker, MicroK8s Kubernetes, Jenkins CI/CD pipelines, private container registries, and MinIO S3 object storage.

GitDockerKubernetesMicroK8sJenkinsMinIORabbitMQ

IT Support & TroubleshootingIT Support & Troubleshooting

Troubleshooting cepat dan solutif untuk masalah hardware, software, jaringan, dan perangkat pengguna, serta koordinasi teknis dengan pihak vendor.Responsive troubleshooting for hardware, software, network, and end-user access issues, alongside technical vendor coordination.

User SupportHardwareSoftwareTroubleshootingVendor Coordination
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Pengalaman KerjaWork Experience

Pengalaman praktis memelihara infrastruktur kritis, jaringan, operasional DevOps, dan sistem informasi enterprise.Hands-on experience maintaining critical infrastructure, networking, DevOps operations, and enterprise information systems.

PT. BPR Syariah Harta Insan Karimah Cibitung

IT Infrastructure, Linux Sysadmin, DevOps & SupportIT Infrastructure, Linux Sysadmin, DevOps & Support

September 2022 — SekarangSeptember 2022 — Present📍 Bekasi, Indonesia
⚡DevOpsDevOps
Juli 2025 – SekarangJuly 2025 – Present
  • Deploy dan mengelola containerized applications menggunakan Docker, Docker Compose, Kubernetes, dan MicroK8s.
  • Memelihara Kubernetes resources mencakup deployments, services, ingress, namespaces, ConfigMaps, secrets, persistent storage, dan RBAC.
  • Membangun dan memelihara CI/CD pipelines menggunakan Jenkins, Kaniko, GitHub, Private Docker Registry, dan Kubernetes.
  • Mengelola deployment aplikasi di seluruh environment staging dan produksi.
  • Implementasi private S3-compatible object storage menggunakan MinIO.
  • Implementasi Private Docker Registry menggunakan MinIO sebagai storage backend.
  • Memantau Kubernetes workloads, resource utilization, ketersediaan aplikasi, dan status deployment.
  • Troubleshooting kegagalan pipeline, image build, registry access, ijin akses Kubernetes, dan isu deployment.
  • Deploy and manage containerized applications using Docker, Docker Compose, Kubernetes, and MicroK8s.
  • Maintain Kubernetes resources, including deployments, services, ingress, namespaces, ConfigMaps, secrets, persistent storage, and RBAC.
  • Build and maintain CI/CD pipelines using Jenkins, Kaniko, GitHub, a private Docker Registry, and Kubernetes.
  • Manage application deployments across staging and production environments.
  • Implement private S3-compatible object storage using MinIO.
  • Implement a private Docker Registry using MinIO as the storage backend.
  • Monitor Kubernetes workloads, resource utilization, application availability, and deployment status.
  • Troubleshoot pipeline failures, image builds, registry access, Kubernetes permissions, and deployment issues.
⚡IT Infrastructure & Linux System AdministrationIT Infrastructure & Linux System Administration
September 2022 – SekarangSeptember 2022 – Present
  • Deploy, konfigurasi, pemeliharaan, dan monitoring IT infrastructure di lingkungan on-premises dan cloud.
  • Mengelola Linux dan Windows servers, virtual machines, network infrastructure, storage systems, backup environments, dan supporting services.
  • Instalasi, konfigurasi, pemeliharaan, dan update Ubuntu Server serta aplikasi berbasis Linux.
  • Mengelola Linux services, user accounts, permissions, packages, storage, logs, dan system resources.
  • Konfigurasi dan pemeliharaan perangkat jaringan, mencakup FortiGate Firewalls (Security Policies, NAT, VPN, fitur UTM) dan router MikroTik (Routing, LAN/WLAN, DHCP, DNS, NAT, VPN).
  • Mengelola virtual infrastructure menggunakan Proxmox dan cloud platform berbasis Virtuozzo.
  • Konfigurasi dan memelihara NGINX reverse proxies, domain routing, SSL/TLS certificates, dan secure application access.
  • Memantau server availability, network connectivity, resource utilization, storage capacity, status backup, dan infrastructure performance.
  • Implementasi replikasi server dari infrastruktur on-premises ke AWS menggunakan AWS Elastic Disaster Recovery dengan arsitektur Private VPC terisolasi & Linux VPN Gateway.
  • Mendukung pengujian disaster recovery, validasi recovery, dan dokumentasi infrastruktur.
  • Mendiagnosis dan menyelesaikan masalah sistem operasi, layanan aplikasi, storage, backup, konektivitas jaringan, dan performance.
  • Koordinasi pemeliharaan infrastruktur, upgrade, troubleshooting, dan vendor support.
  • Deploy, configure, maintain, and monitor on-premises and cloud-based IT infrastructure.
  • Manage Linux and Windows servers, virtual machines, network infrastructure, storage systems, backup environments, and supporting services.
  • Install, configure, maintain, and update Ubuntu Server and Linux-based applications.
  • Manage Linux services, user accounts, permissions, packages, storage, logs, and system resources.
  • Configure and maintain network devices, including FortiGate Firewalls (Security Policies, NAT, VPN, UTM features) and MikroTik routers (Routing, LAN/WLAN, DHCP, DNS, NAT, VPN).
  • Manage virtual infrastructure using Proxmox and Virtuozzo-based cloud platforms.
  • Configure and maintain NGINX reverse proxies, domain routing, SSL/TLS certificates, and secure application access.
  • Monitor server availability, network connectivity, resource utilization, storage capacity, backup status, and infrastructure performance.
  • Implement server replication from on-premises infrastructure to AWS using AWS Elastic Disaster Recovery with an isolated Private VPC architecture & Linux VPN Gateway.
  • Support disaster recovery testing, recovery validation, and infrastructure documentation.
  • Diagnose and resolve operating system, application service, storage, backup, network connectivity, and performance-related issues.
  • Coordinate infrastructure maintenance, upgrades, troubleshooting, and vendor support.
⚡IT SupportIT Support
September 2022 – SekarangSeptember 2022 – Present
  • Instalasi, konfigurasi, pemeliharaan, dan troubleshooting laptop, komputer desktop, printer, dan periferal IT lainnya.
  • Instalasi sistem operasi Windows, device drivers, aplikasi perkantoran, dan software bisnis yang dibutuhkan.
  • Memberikan technical support untuk hardware, software, aplikasi, printer, konektivitas, dan masalah akses pengguna.
  • Menyiapkan perangkat, aplikasi, dan akses sistem untuk employee onboarding dan kebutuhan operasional.
  • Mendiagnosis kegagalan hardware, masalah sistem operasi, software error, dan kendala konektivitas.
  • Koordinasi perbaikan, penggantian unit, klaim garansi, kebutuhan purchasing, dan vendor support.
  • Menyusun laporan operasional, dokumentasi teknis, prosedur, catatan inventaris, dan bukti IT audit.
  • Install, configure, maintain, and troubleshoot laptops, desktop computers, printers, and other IT peripherals.
  • Install Windows operating systems, device drivers, office applications, and required business software.
  • Provide technical support for hardware, software, applications, printers, connectivity, and user-access issues.
  • Prepare devices, applications, and system access for employee onboarding and operational requirements.
  • Diagnose hardware failures, operating system issues, software errors, and connectivity problems.
  • Coordinate repairs, replacements, warranty claims, purchasing requirements, and vendor support.
  • Prepare operational reports, technical documentation, procedures, inventory records, and IT audit evidence.

PT. Bank Tabungan Negara

Staff Admin InternshipStaff Admin Internship

November 2012 – Maret 2013November 2012 – March 2013📍 Cikarang, Indonesia
  • Memeriksa dan memvalidasi slip setoran nasabah untuk memastikan akurasi dan kepatuhan terhadap prosedur perbankan.
  • Membantu tugas-tugas administratif, pengelolaan dokumen, dan operasional harian kantor cabang.
  • Reviewed and validated customer deposit slips to ensure accuracy and compliance with banking procedures.
  • Assisted with administrative tasks, document management, and daily branch operations.
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Sertifikasi & PelatihanCertifications & Training

Daftar sertifikasi resmi dan pelatihan intensif untuk memperkuat kompetensi di bidang keamanan jaringan enterprise, routing MikroTik, serta operasional IT Support.Official certifications and intensive training programs validating core technical competencies across enterprise network security, MikroTik routing, and IT support operations.

Keamanan Jaringan & Next-Gen FirewallNetwork Security & Next-Gen Firewall
FCP / NSE 4

Fortinet Certified Professional (FCP) / FortiGate Security (NSE 4)

ISSUER:ID-Networkers (idn.id)

Pelatihan mendalam administrasi dan pengamanan infrastruktur jaringan enterprise menggunakan Next-Generation Firewall (NGFW) Fortinet FortiGate. Mencakup implementasi Security Fabric, firewall policies & NAT, SSL/SSH inspection, IPsec & SSL VPN, antivirus & web filtering, serta arsitektur High Availability (HA).In-depth training on enterprise network administration and security utilizing Fortinet FortiGate Next-Generation Firewalls (NGFW). Covered Security Fabric integration, firewall policies & NAT, SSL/SSH inspection, IPsec & SSL VPN, antivirus & web filtering, and High Availability (HA) deployments.

KREDENSIAL IDCREDENTIAL IDCERT0701623871
MASA BERLAKU / PERIODEVALIDITY / PERIODAgustus 2026August 2026
Pelatihan Resmi SelesaiOfficial Training Completed
/// CAKUPAN MATERI & KOMPETENSI:/// KEY COMPETENCIES & SKILLS:
FortiGate NGFWFirewall Policies & NATSSL/SSH Deep InspectionIPsec & SSL VPNWeb Filtering & Security ProfilesHigh Availability (HA)Fortinet Security Fabric & Logging
Routing, Switching & Manajemen JaringanRouting, Switching & Network Management
MTCNA

MikroTik Certified Network Associate (MTCNA)

ISSUER:MikroTik & ID-Networkers

Sertifikasi internasional resmi MikroTik (ID: 2205NA3298) beserta pelatihan intensif di ID-Networkers (ID: CERT20220503739). Memvalidasi keahlian praktis mengonfigurasi RouterOS, routing statis & dinamis, bridging, wireless, QoS bandwidth queues, firewall filter & NAT, serta tunneling VPN.Official MikroTik international certification (ID: 2205NA3298) and intensive training at ID-Networkers (ID: CERT20220503739). Validates hands-on proficiency in RouterOS configuration, static/dynamic routing, bridging, wireless setups, QoS bandwidth queues, firewall filtering & NAT, and VPN tunneling.

KREDENSIAL IDCREDENTIAL ID2205NA3298
MASA BERLAKU / PERIODEVALIDITY / PERIODMei 2022 – Mei 2025May 2022 – May 2025
Sertifikasi Resmi MikroTikOfficial MikroTik Certification
/// CAKUPAN MATERI & KOMPETENSI:/// KEY COMPETENCIES & SKILLS:
MikroTik RouterOSRouting & BridgingFirewall Filter & NATBandwidth Management (Queue)VPN Tunneling (PPTP/L2TP/SSTP)Wireless NetworkingNetwork Troubleshooting
Dukungan Teknis & Administrasi SistemIT Support & System Administration
GOOGLE IT SUPPORT

Google IT Support Professional Specialization

ISSUER:Google by Coursera

Program spesialisasi IT support profesional dari Google yang mencakup: Technical Support Fundamentals, The Bits and Bytes of Computer Networking, serta Operating Systems and You: Becoming a Power User (administrasi sistem Linux & Windows, infrastruktur hardware, layanan jaringan, dan keamanan).Google professional IT support multi-course specialization covering: Technical Support Fundamentals, The Bits and Bytes of Computer Networking, and Operating Systems and You: Becoming a Power User (Linux & Windows administration, hardware architecture, network services, and security).

KREDENSIAL IDCREDENTIAL IDCoursera Verified Specialization
MASA BERLAKU / PERIODEVALIDITY / PERIOD20222022
Spesialisasi Selesai (3 Kursus)Completed Specialization (3 Courses)
/// CAKUPAN MATERI & KOMPETENSI:/// KEY COMPETENCIES & SKILLS:
Technical Support FundamentalsComputer Networking (TCP/IP & DNS)Linux & Windows AdministrationHardware Architecture & DiagnosticsTroubleshooting MethodologiesSystem Documentation
Administrasi Jaringan & Operasional ITNetwork Administration & IT Operations
COURSE-NET

Strategi Praktis Menjadi Network Admin dan IT Support

ISSUER:Course-Net Indonesia

Pelatihan strategi praktis untuk kesiapan profesi Network Administrator dan IT Support, berfokus pada desain topologi LAN, IP addressing & subnetting, instalasi OS/server, manajemen PC/periferal, serta penanganan kendala teknis operasional kantor.Practical strategy training preparing for Network Administrator and IT Support roles, emphasizing LAN topology design, IP addressing & subnetting, OS/server installations, PC & peripheral management, and resolution of day-to-day office technical incidents.

KREDENSIAL IDCREDENTIAL IDAlumni / Peserta Pelatihan
MASA BERLAKU / PERIODEVALIDITY / PERIOD20212021
Peserta Pelatihan SelesaiTraining Completed
/// CAKUPAN MATERI & KOMPETENSI:/// KEY COMPETENCIES & SKILLS:
Network Administration FundamentalsLAN Setup & SubnettingIT Support Best PracticesPC Hardware & Software MaintenanceIncident Response & Resolution
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Daftar ProyekFeatured Projects

Kumpulan proyek enterprise dan personal lab yang berfokus pada otomatisasi, virtualisasi, container, CI/CD, dan keamanan jaringan.A collection of enterprise and personal lab projects focusing on automation, virtualization, containers, CI/CD, and network security.

Personal LabPersonal Lab

Proxmox Infrastructure Automation & Networking LabProxmox Infrastructure Automation & Networking Lab

Membangun virtualized home lab Proxmox & MikroTik, provisioning VM otomatis via Terraform, serta otomatisasi konfigurasi Linux server via Ansible.Built a virtualized home lab using Proxmox and MikroTik, provisioned virtual machines with Terraform, and automated Linux server configuration using Ansible.

Proxmox VEMikroTikTerraformAnsibleLinuxVirtualization
Edge Security & Ingress AutomationEdge Security & Ingress Automation

Cloudflare Edge Security, Tunneling & Automated TLS DNS-01 ChallengeCloudflare Edge Security, Tunneling & Automated TLS DNS-01 Challenge

Implementasi proteksi WAF untuk website resmi perusahaan, secure tunneling workload Kubernetes MicroK8s, serta otomatisasi sertifikat SSL/TLS via DNS-01 challenge pada private environment.Implementation of WAF protection for the corporate website, secure Kubernetes MicroK8s tunneling, and automated SSL/TLS issuance via DNS-01 challenge for private environments.

CloudflareCloudflare TunnelWAFMicroK8sCert-ManagerDNS-01 ChallengeLet's EncryptNGINXSSL/TLS
Network SecurityNetwork Security

Certificate-Based IKEv2 VPNCertificate-Based IKEv2 VPN

Implementasi IKEv2 VPN berbasis digital certificate untuk otentikasi server dan user pada infrastruktur MikroTik.Implemented an IKEv2 VPN using digital certificates for server and user authentication on MikroTik infrastructure.

MikroTikIKEv2IPsecDigital CertificateNetworking
Storage InfrastructureStorage Infrastructure

Private Object Storage dengan MinIOPrivate Object Storage with MinIO

Implementasi private S3-compatible object storage menggunakan MinIO pada lingkungan infrastruktur lokal.Implemented private S3-compatible object storage using MinIO in a local infrastructure environment.

MinIOS3 APILinuxObject StorageOn-Premise
DevOps InfrastructureDevOps Infrastructure

Private Docker Image RegistryPrivate Docker Image Registry

Membangun private Docker image registry dengan MinIO sebagai object storage backend untuk internal container images.Built a private Docker image registry with MinIO as the object storage backend for internal container images.

Docker RegistryMinIOS3LinuxContainer Infrastructure
Container PlatformContainer Platform

Platform Kubernetes MicroK8sKubernetes MicroK8s Platform

Mengelola single-node MicroK8s environment untuk supporting produksi dan staging workload, ingress, sertifikat, storage, dan platform services.Managed a single-node MicroK8s environment supporting production and staging workloads, ingress, certificates, storage, monitoring, and platform services.

KubernetesMicroK8sIngress NginxCert-ManagerMetalLBCalico
CI/CDCI/CD

Pipeline CI/CD JenkinsJenkins CI/CD Pipeline

Implementasi container-based CI/CD workflow menggunakan Jenkins, Kaniko, private repository, private registry, dan otomatisasi deployment Kubernetes.Implemented container-based CI/CD workflows using Jenkins, Kaniko, private source repositories, private registries, and Kubernetes deployment automation.

GitJenkinsKanikoKubernetesGitHubDocker RegistryCI/CD
Disaster Recovery & Cloud SecurityDisaster Recovery & Cloud Security

AWS Disaster Recovery & Secure Private DRCAWS Disaster Recovery & Secure Private DRC

Implementasi AWS Disaster Recovery (DRS) dengan arsitektur Isolated Private VPC dan Linux VPN Gateway untuk akses remote terenkripsi.Implemented AWS Disaster Recovery (DRS) featuring an isolated Private VPC architecture and a Linux VPN Gateway for secure remote management access.

AWS DRSVPCPrivate SubnetLinux VPN GatewayEC2EBSCloud Security
Monitoring & ObservabilityMonitoring & Observability

Sistem Monitoring & Observability dengan GrafanaInfrastructure Monitoring & Observability with Grafana

Implementasi dashboard monitoring terpusat menggunakan Grafana untuk pemantauan performa server, penggunaan resource, dan ketersediaan layanan secara real-time.Implemented centralized monitoring dashboards using Grafana for real-time tracking of server performance, resource utilization, and service availability.

GrafanaPrometheusLinuxMonitoringAlerting
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Teknologi & PlatformTechnologies & Platforms

Perangkat, sistem, dan platform yang digunakan dalam pengelolaan lingkungan infrastruktur.Tools, systems, and platforms regularly utilized across infrastructure environments.

Infrastructure & NetworkingInfrastructure & Networking

Fortinet FortiGateMikroTik RouterOSCloudflareNginxDNSIPsec/SSL VPNTCP/IPLANWirelessSSL/TLS

Linux & ServerLinux & Server

Ubuntu ServerLinuxSystemdSSHUFWFail2banBash

Containers & DevOpsContainers & DevOps

GitGitHubDockerKubernetesMicroK8sJenkinsKanikoCI/CD

Platform ServicesPlatform Services

MinIODocker RegistryRabbitMQCert-ManagerIngress NginxMetalLBCalico

Cloud & Disaster RecoveryCloud & Disaster Recovery

AWSAWS Elastic Disaster RecoveryS3EC2EBSCloudflare Tunnel

Monitoring & SecurityMonitoring & Security

FortiGate Security (NGFW)GrafanaPrometheusUTM FirewallMonitoringBackupDisaster RecoverySSL/TLS
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Mari TerhubungLet’s Connect

Tertarik berdiskusi atau punya peluang kolaborasi di bidang IT Infrastructure, Linux SysAdmin, maupun DevOps? Mari terhubung lewat kontak di bawah!Interested in discussing opportunities or professional collaborations in IT Infrastructure, Linux SysAdmin, or DevOps? Feel free to connect below!

EMAILselfajaelani@gmail.com
LINKEDINahmad-jaelani-2460021b0
GITHUBgithub.com/ahmjaelani
📍BERBASIS DI BEKASI, JAWA BARAT, 17550BASED IN BEKASI, WEST JAVA, 17550