Fang Jie LIM

I'm

Highly motivated individual with experience in information technology and cybersecurity. Adaptable and thrives in complex and fast-changing technological environments. Enjoys working with others to develop technical solutions that tackles real-world problems.

Profile Image 1

Resume

Here's my work throughout my professional career.

Profile Image 2

Professional Summary

Engineer with 6+ years of experience in Information Technology. Specialises in IT Infrastructure, DevSecOps, and Software Development.

Contacts and Links

  • Singapore
  • lim_fang_jie [at] hotmail [dot] com
  • linkedin.com/in/limfangjie
  • credly.com/users/lim-fang-jie/
  • credentials.nus.edu.sg/profile/
    limfangjie918632/
  • github.com/xzynos

Technical Skills

Virtualization 90%
VMware VCF (ESXi, vCenter, vSAN, NSX, Tanzu, Aria), Nutanix with Prism, Hyper-V, Proxmox VE
Compute & Networking 90%
Dell PowerEdge, HPE ProLiant, P4, Cisco, pfSense, VyOS, BIRD, OSPF, & BGP
Windows Infrastructure 80%
ADDS, ADCS, ADFS, GPOs, & WinRM
Application Infrastructure 90%
MySQL, PostgreSQL, Redis, ElasticSearch, Apache httpd, NGINX, IIS, HAProxy, & Docker
Cloud Infrastructure 70%
AWS, & Hetzner
Languages & Frameworks 80%
Python, Django, Flask, C++, C#, ASP.NET, Java, PHP, JavaScript, & X86 Assembly
Automations & DevSecOps 90%
Ansible, Terraform, Bash, PowerShell, GitHub Actions, GitLab CI/CD, Hashicorp Vault, Ansible Lint, Pylint, PIP Audit, Gitleaks, Semgrep, KICS

Professional Experience

Systems Engineer

Sep 2025 - Jan 2026 [Contract]

NCS Group

  • Tasked with the recovery of a failing IT infrastructure and automations project for a key high-profile client that was 3.5-years behind schedule and lacked key deliverables.
  • Delivered and presented 4 POCs in first 3 weeks of my tenure with a team of 2 engineers in total.
  • Trained existing engineers from having zero knowledge to deploying production code in just two months.

Senior Technical Consultant

Feb 2024 - Sep 2025

Technical Consultant

Jul 2022 - Feb 2024

NECUS Technologies

  • Designed, installed and administered on-premise compute, storage, and virtualisation infrastructure, architected and fielded hybrid cloud environments, and developed custom applications for clients.
  • Implemented backup solutions to perform automatic differential backups, allowing one client to recover critical data in full during failure of data storage array.
  • Implemented DevSecOps and deployed CI/CD pipelines for clients, resulting in ≈25% overall reduction in reported issues when code is deployed to production.
  • Developed IT infrastructure automations, eliminating 48-man hours per month of manual effort required for NECUS to manage over 100 different services in its infrastructure.

Adjunct Teaching Assistant

Aug 2024 - May 2025

National University of Singapore (NUS)

  • Researched and developed a new protocol to enable E2E QoS Guarantees over the public internet for performance-sensitive applications (e.g., Telesurgery), resulting in a 10x drop in latency in certain scenarios.
  • Architected and fielded cross-datacentre networks for data plane research, processing over 1200 TB of traffic in the first 6 months without incident.
  • Received the NUS Outstanding Computing Project Prize 🔗 for research detailed above.
  • Facilitated conduct of CS6204 Advanced Topics in Networking for Ph.D and CS4226 Internet Architecture for senior undergraduate students by delivering lectures and creating assignments on data plane programming.
  • Received a 5.0/5.0 teaching feedback rating for CS6204 detailed above.

Cyber Security Operator

Nov 2019 - Jul 2022

Singapore Armed Forces (SAF)

  • Developed custom technical solutions to fulfil specialised needs of the SAF cyber formation ranging from hyper-realistic cyber ranges to specialised network orchestration tools.
  • Architected and fielded systems infrastructure with over 500 machines across numerous sites and networks.
  • Deployed on-premise private clouds for hosting, saving SGD 360K per year compared to public clouds.
  • Designed and conducted hands-on trainings through adversarial simulations for over 100 personnel in total.
  • Received Letter of Commendation from SAF C4 Command and NSF of the Year for Cyber Defence Award from SAF Cyber Defence Group for contributions detailed above.

Education

Bachelor of Computing with Honours, Information Security

National University of Singapore (NUS)

Diploma in Cyber Security and Forensics

Nanyang Polytechnic (NYP)

  • Received Diploma with Merit.
  • Received 5 Director’s List awards.
  • Received CSIT Silver Medal for achieving 2nd in cohort and CSIT Award for Outstanding Project Work

Certifications

Here're the professional certifications I hold.

Testimonials

Here're some of the testimonials from my previous managers. Please reach out to me if you would like the full written testimonials.

Fang Jie is a collaborative and highly-valuable team player. His willingness to share his expertise, enthusiasm in assisting colleagues, and approachable demeanour have earned him great respect and friendship from our entire team in NECUS Technologies.

Mike Chan

Principal Consultant, NECUS Technologies

In summary, my experiences with Fang Jie have convinced me that he is a rare talent in the computer networking area.

Dr. Richard Ma

Associate Professor, National University of Singapore (NUS)

As a person, CFC Lim FJ’s work attitude, clarity of thought, and desire to assist others will be a great asset for any organisation.

ME7 Liu Mun Kwong

Head CyTEC, Cyber Defence Group (CDG), Singapore Armed Forces (SAF)