TMHS Group Limited is inviting applications from qualified, self-motivated, and results-driven individuals to join its Environmental Laboratory team under the Waste and Environmental subsidiary. The company provides services in Emergency Medical Services, Waste and Environmental Management, Occupational Health and Safety, and Medical Supplies both locally and internationally.
If you’re looking to build or advance your career in laboratory and environmental sciences, here are the available positions:
1. Laboratory Analyst and Quality Control Officer / Supervisor (1 Post)
Location: TMHS Kisarawe Plant
Reports to: WNE Manager
Key Responsibilities
- Conduct physical, chemical, and microbiological testing of air, water, and soil samples
- Operate, calibrate, and maintain laboratory equipment
- Record, analyze, and interpret test results accurately
- Assist in method validation and troubleshooting
- Maintain proper documentation in line with Good Laboratory Practices (GLP)
- Ensure compliance with ISO 17025, TBS, NEMC, TMDA, GCLA standards
- Develop and update SOPs and safety procedures
- Investigate non-conformities and implement corrective actions
- Conduct internal audits and monitor quality systems
- Train staff and prepare quality reports for management
Requirements
- Bachelor’s degree in Laboratory Science, Chemistry, Biology, or related field
- 1–5+ years of relevant laboratory/QC experience
- Knowledge of GLP, ISO 17025, and regulatory standards
- Experience with instruments like GC and mass spectrometry
- Familiarity with LIMS and QMS systems
- Strong analytical, documentation, and problem-solving skills
2. Laboratory Technician (1 Post)
Location: Kisarawe Plant
Reports to: WNE Manager
Key Responsibilities
- Receive, label, analyze, and store samples
- Calibrate, clean, and maintain laboratory equipment
- Perform routine and specialized environmental tests
- Record and interpret data using LIMS and other systems
- Ensure compliance with safety protocols and PPE usage
- Manage inventory and support administrative lab tasks
- Report findings to supervisors
Requirements
- Diploma in Laboratory Science and Technology or related field
- Strong technical and data management skills
- High attention to detail and accuracy
- Good communication skills
3. Sample Reception Personnel (1 Post)
Location: Kisarawe Plant
Reports to: WNE Manager
Key Responsibilities
- Log and enter sample data into LIMS accurately
- Inspect and preserve samples according to standards
- Handle hazardous materials safely
- Label, store, and track samples
- Monitor sample integrity and documentation
- Communicate urgent samples to lab staff
- Manage sample rejection and disposal processes
- Maintain storage areas and generate reports
Requirements
- Certificate in Laboratory Science and Technology
- Strong data entry and tracking skills
- Knowledge of environmental sampling and safety procedures
- Excellent organization and time management
- Prior lab experience is an added advantage
How to Apply
Interested candidates should send:
- Updated CV
- Copies of academic and professional certificates
Email: recruitment@tmhsgoup.com, Deadline: 10th April 2026
Final Note
These roles offer a great opportunity to work in a professional laboratory environment and contribute to environmental safety and quality assurance. If you meet the requirements, don’t miss this chance to join a growing and impactful organization. Share this opportunity with others who might be interested!
