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Presentation

I am a Software Development System Engineer with hands-on experience in designing, operating, and maintaining on-premise infrastructure that support modern software development of micro-services.

My work includes managing Dell EMC physical servers (R620, R640, R720, R740,supermicro)deploying and maintaining Linux systems (Ubuntu, CentOS), and implementing virtualization and storage platforms such as XCP-ng and FreeNAS such as NFS,SMB,ISCSI. Configured and managed DNS, DHCP, and Mail Servers to ensure reliable network and communication services.
Created and maintained VM templates and virtual machine snapshots for rapid deployment, backup, and disaster recovery. Implemented and managed RAID technologies to enhance data redundancy, storage reliability, and system availability.

I specialize in monitoring and observability, working with tools such as Cacti, Nagios, Smokeping, Grafana, Prometheus, Loki, Alloy agent and the ELK Stack to ensure system availability, performance, and proactive issue detection.

On the DevOps side, I maintain CI/CD pipelines using GitLab CI and Jenkins, and implement GitOps-based deployments with ArgoCD for Kubernetes and K3s environments. I customize and maintain Helm charts, update application configuration files based on developer requirements, and manage application deployments across different environments. Configured and modified Apache APISIX routes, upstreams, and plugins to support application routing and API exposure. I use Lens to monitor, troubleshoot, and manage Kubernetes clusters, ensuring reliable and efficient application delivery throughout the SDLC.

I also manage identity and access control through Microsoft Active Directory, LDAP, and Keycloak, integrating secure access for databases, middleware, monitoring platforms, and jump servers. My experience includes administering RabbitMQ, Node-RED, and databases such as MySQL, PostgreSQL, MongoDB, and In-memory data structure store, used as a database, cache, and message broker for Redis.

To improve reliability and efficiency, I actively use Ansible automation for system configuration, user provisioning, access management, and repetitive operational tasks.

I am passionate about automation, system reliability, and scalable infrastructure, and I enjoy bridging the gap between development and operations to deliver stable, secure, and observable systems.

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Background

System Engineer

Frontiir · 31/07/2024 – Today

- Installed, configured, and maintained Linux servers in production and development environments.
- Managed containerized environments using Docker and lightweight Kubernetes (K3s).
- Implemented CI/CD pipelines using GitLab and ArgoCD for automated application deployment.
- Deployed and maintained monitoring systems including Nagios, Cacti, Smokeping, Loki, Prometheus, ELK, Grafana for infrastructure monitoring.
- Automated user account management for monitoring systems integrated with LDAP authentication.
- Supported OSS/BSS software development environments and assisted QA/QAC automation
processes.
- Managed virtualization platforms including XCP-ng and Citrix Xen.
- Configured and maintained storage infrastructure including NAS, NFS, and FreeNAS systems.
- Managed Jump Server environments to control secure infrastructure access.
- Deployed custom Linux ISO images for system provisioning and infrastructure deployment.
- Performed pip dependency installations and environment setup for mini-PC terminal systems.
- Managed enterprise server hardware including Dell EMC PowerEdge (R620, R720, R740) and
Supermicro blade servers.
- Administered out-of-band management systems including IPMI, CMM, and server management
interfaces.
- Supported network infrastructure and SDN environments.
- Maintained system documentation and operational procedures for infrastructure management.

Core Network Engineer

MKTN Engineering Group · 03/06/2022 – 05/07/2024

- Configure and maintain core network devices such as routers and switches.
- Manage and troubleshoot routing protocols including BGP, OSPF, and MPLS.
- Monitor network performance, availability, and traffic capacity.
- Diagnose and resolve network faults, outages, and latency issues.
- Implement network security policies, access control lists, and VPN connectivity.
- Perform network upgrades, maintenance, and infrastructure improvements.
- Work with telecom vendors and equipment such as Huawei, Mikrotik Network Devices.
- Configure and manage authentication systems using RADIUS for user access control and network authentication.
- Deploy and maintain broadband access infrastructure including Optical Line Terminal devices in fiber networks.
- Perform OLT configuration, subscriber provisioning, and troubleshooting for FTTH/GPON services.
- Use monitoring tools like Zabbix and LibraNMS to ensure network stability.

Senior Network Technician

Fortune International Company Limited · 01/07/2021 – 27/02/2022

- Design, install, and deploy fiber optic networks including backbone, distribution, and last-mile connectivity.
- Perform fiber cable installation, splicing, termination, and patch panel configuration to ensure stable optical connectivity.
- Configure and support fiber network devices such as OLT, ONU/ONT, switches, and routers for FTTH or enterprise networks.
- Use tools like OTDR, optical power meter, and light source to test fiber links and troubleshoot signal loss, attenuation, or fiber cuts.
- Maintain documentation for fiber routes, network diagrams, splice reports, and cable inventory.

Network Support Technician

Vnet · 15/11/2020 – 30/06/2021

- Install and deploy Point-to-Point (PtP) and Point-to-Multipoint (PtMP) wireless links using Ubiquiti AirMAX devices such as Ubiquiti IsoStation, Ubiquiti NanoStation, Ubiquiti PowerBeam, and Ubiquiti LiteBeam.
- Configure wireless radios, frequencies, SSID, channel width, and security settings to establish stable wireless connections.
- Diagnose and resolve wireless issues such as interference, packet loss, low throughput, and link instability.
- Monitor wireless network performance, link status, and bandwidth usage to maintain high network availability.
- Perform firmware upgrades, configuration backups, hardware replacements, and maintain network documentation.

B.C.Tech

University of Computer Studies,Mandalay · 2014 – 2019