Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Timeline
Generic
Tan Jun Mao

Tan Jun Mao

Summary

Leading a sanitation enforcement and investigations team at the National Environment Agency, overseeing cases from illegal dumping to high-rise littering and smoking offenses. Responsibilities include strategizing operations, gathering and evaluating evidence, and ensuring the integrity of enforcement decisions. Actively spearheading digital transformation initiatives, such as automating offender statement-taking processes to move towards a paperless workflow. Strong foundation in ground-level pest control work, transitioning into tech innovation by developing and deploying IoT-enabled rodent surveillance systems in collaboration with NEA and STAR. Deeply committed to environmental conservation, demonstrated through nature volunteering and wildlife handling training. Passionate about work that integrates environmental science, public health, and practical technology for smarter, more sustainable urban ecosystems.

Overview

11
11
years of professional experience
1
1
Certification

Work History

Investigation & Enforcement (Manager)

National Environment Agency
01.2018 - Current
  • Conducted ground investigations on sanitation-related offenses such as illegal dumping, high-rise littering, general littering, and smoking violations. Manage approximately 70 cases per month.
  • Collected evidence, interviewed witnesses and offenders, and prepared enforcement documents including warning letters, summons, and charges.
  • Collaborated with public agencies (e.g., DPC, Town Councils) to address recurring sanitation issues and ensure environmental compliance.
  • Engaged with the public to educate on sanitation laws and gather feedback to improve community cleanliness.
  • Performed site inspections, stakeouts, and foot patrols; monitored case progression and generated efficiency reports.
  • Supported legal proceedings through documentation and case review for enforceability.
  • Supervising junior officers both on ground and in office.
  • Mentored junior team members for career advancement, fostering loyality and reliability within the organization.

Environmental Engineer

Pestech Holding (S) Pte Ltd
09.2015 - 10.2018
  • Contributed to IoT sensor development by applying local pest management knowledge and rodent behavior insights.
  • Conducted data analysis in Excel to validate sensor data correlations for system development.
  • Designed and 3D-printed sensor casings; implemented waterproofing for outdoor use.
  • Developed and tested upgraded sensor-integrated bait boxes and snap traps.
  • Built automated motorized test jigs and mobile trackers to simulate rodent movement for sensor calibration.
  • Collaborated with NEA and A
  • STAR in live deployments within town council areas for system testbedding.

Pest Control Technician

Rentokil Initial Singapore
09.2014 - 06.2015
  • Gained hands-on experience in rodent management and pest control operations in a large multinational environment.
  • Supported field operations and learned best practices in pest management implementation.

Pest Control Technician

AntiAnts Pte Ltd
07.2014 - 09.2014
  • Assisted in on-site rodent control activities in local residential and commercial settings.
  • Acquired practical knowledge of pest management approaches used by local SMEs.

Temporary Environmental Health Officer

National Environment Agency (NEA)
12.2013 - 06.2014
  • Conducted inspections for mosquito breeding sites in Central Singapore.
  • Assisted in rodent burrow detection exercises as part of NEA’s vector control efforts.

Education

Master of Science - Environmental Management

National University of Singapore
08-2024

Bachelor of Science - Environmental Science – Environmental Management & Conservation Biology

University of Western Australia
01-2013

Diploma - Molecular Biotechnology

Ngee Ann Polytechnic
01-2009

Skills

  • Tinkercad 3D Modelling Software
  • Data Analytics using Tableau
  • Basic ArcGIS by ESRI
  • Commissioner for Oaths
  • Animal Management Certification Programme (Basic) – Centre for Urban Greenery & Ecology (CUGE)
  • Vector Control License

Accomplishments

  • Digital Offender & Witness Statement System
  • Leading the digital transformation of statement-taking processes to reduce reliance on paper and improve operational efficiency. Working closely with legal department to ensure digitally recorded statements meet admissibility standards in court, while exploring secure platforms for e-signature and digital record management.

  • Route Optimization for Enforcement Officers
  • Implementing a route management solution that leverages route planning software to streamline officer deployment. The project aims to minimize unnecessary travel distances, reduce backtracking, and increase daily coverage efficiency, contributing to resource optimisation.

  • AI Offender Simulation for Officer Training
  • Developing a generative AI chatbot to simulate difficult or uncooperative offenders for training and onboarding purposes. The tool helps new officers practise effective questioning techniques, gather necessary case information, and build confidence in real-life enforcement interactions.

Certification

  • WSQ Risk Management – Trained in developing and implementing risk control plans
  • WSQ Scissor Lift Operation Certificate
  • Class 3 Driving License
  • Vector Control License (NEAS8905991G)
  • Commissioner for Oaths (2020 – 2024)
  • Animal Management Certification Programme (Basic) – Centre for Urban Greenery & Ecology (CUGE)

Timeline

Investigation & Enforcement (Manager)

National Environment Agency
01.2018 - Current

Environmental Engineer

Pestech Holding (S) Pte Ltd
09.2015 - 10.2018

Pest Control Technician

Rentokil Initial Singapore
09.2014 - 06.2015

Pest Control Technician

AntiAnts Pte Ltd
07.2014 - 09.2014

Temporary Environmental Health Officer

National Environment Agency (NEA)
12.2013 - 06.2014

Master of Science - Environmental Management

National University of Singapore

Bachelor of Science - Environmental Science – Environmental Management & Conservation Biology

University of Western Australia

Diploma - Molecular Biotechnology

Ngee Ann Polytechnic
Tan Jun Mao