Loh Kar Weng Email & Phone Number

Petaling Jaya, My

Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia

● NOC –SLA Management, AutomationProvide training for L1 engineers. Standby L2 support for mission-critical services.Maintain AWS EC2 Launch Templates, baking changes into AMIs in a ready-to-deploy state.Automating remote server archiving of mysqldump using SFTP with secure password-less ssh-keys.Creating efficient alert systems; cronjob, bash & Python scripts, email alerts, Power Automate.Root cause analyses by analyzing database, Session Initiation Protocol logs, etc.Updating tickets, preparing incident reports and remediation manuals when necessary.Automating reminder alerts for L1 engineers for healthchecks and routine tests.● Linux sysadmin –Red Hat & CentOS, resource management, deployment & configurationConfigure IP, routing, internet-facing load-balancers, and Network File Systems (NFS).RHEL + package upgrades, deploy/upgrade HAProxy, GlusterFS, and MySQL.Installing necessary packages and updating user .bashrc path env variables to manage privilege.Automating log file compression, retention period, and archiving using bash and cron.Configure VM IP and routing, mounting, hostnames, and proprietary vendor MCPTT applications.● Project Engineering Support –Coordination, planning, testing, and documentationCollaborating with stakeholders, vendor support teams, software engineers, and operators.Prepare procedures and reports for User & System Acceptance Test.Requested by management to support migration project on-site in Singapore.Managing and supporting aspects of projects related to deployment and migration.Documentation and recordkeeping of approvals, test results, analyses, and prepare presentations.Prepare various operating manuals, documents, reports, procedures, and guides.● Business Enhancement –Customer serviceResolving hardware (handset) shortage deploying Android x86 VMs, saving cost while meeting SLAs.Guiding L1 engineers to upskill by troubleshooting and sharing responsibilities.

Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia

• Trouble ticket resolution for SMEs and large corporations in Singapore.• Troubleshooting various networking devices such as Cisco, Juniper, and Hewlett Packard.• Monitoring network status and alarms with Kibana and iMaster NCE.• Remote hands support for various issues such as BGP prefix updates, router management portals, etc.• Locating source of latency with forward/reverse trace results.• DDoS mitigation with blackhole routing.• Case escalation to other vendors, peering partners, internal Tier3 teams, and so on.

Federal Territory Of Kuala Lumpur, Malaysia

Areas of expertise are Passenger Information Systems, Train Control Management Systems, and Systems Interface.Strongest areas are in Testing & Commissioning, project management, and translating non-technical business requirements into technical system design specifications.• Ensure contractual compliance to project requirements by reviewing/developing system software design documentation, system interface control documents, official test procedures, and hardwire circuit diagrams.• Designated official witness for various system acceptance tests in South Korea; TCMS, PIS, Pneumatic Braking Systems, Vehicle Control Circuit Systems, Traction Motor Control Systems, Interface Tests with Radio Communications and Signaling & Train Control Systems (S&TC), etc.• Guiding software engineers in developing and testing future-proof measures by nature of design.• Gap Analysis and integration of new systems into existing infrastructure of the previous project, such as Underfloor Train Lifting Systems, access gantries, mechanical C&C machines, and S&TC.

Selangor, Malaysia

Team leader, technician, and test engineer for Passenger Information Systems and on-board communication network. Troubleshooting, software testing, inventory management, training, etc.Team leader of a 6-man team; covering T&C and after-sales services for 2 projects (MRT Kajang Line, and LRT Sri Petaling/Ampang Line).• Install, commission, and troubleshoot on-board electric train Passenger Information Systems (PIS); Ethernet cable termination and testing, deploy and configure redundant multicast controllers, custom switches, DHCP servers, media streaming servers, daisy-chain Linux-based LCD displays, emergency voice communication systems, and CCTV systems.• Conduct official acceptance and interface tests, as well as isolated internal on-site pre-release software tests.• Lead technical training PIC for end user operators and new team members.

Petaling Jaya, Selangor, Malaysia

- Quality control of product- Stock checks and orders- Preparation and assembly of menu items