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PT. EXA MITRA SOLUSI (EXA) in Makassar seeks a Laboratory Supervisor to own the quality control laboratory, manage GC‑FID and GC‑MS analyses, and ensure data integrity for essential oils and aroma chemicals.
You will train under an external consultant during the first three months and document results per English ISO methods and customer specifications, maintaining accurate records with LabSolutions.
Take full day-to-day ownership of the quality control laboratory — testing, instrumentation, documentation and organisation. The successful candidate will be trained and assessed by an external laboratory consultant during the first three months.
Key responsibilities
Perform routine analysis of patchouli oil, clove oil and clove-derived aroma chemicals: acid value, specific gravity, optical rotation, refractive index and colour
Operate Shimadzu GC-FID and GC-MS: sample preparation, injection, peak integration, library searching and interpretation of results
Determine patchouli alcohol content, eugenol content and purity of derivatives in accordance with the applicable standard
Screen incoming and outgoing material for adulteration and unexpected components using GC-MS
Verify system suitability before releasing any analytical result
Investigate out-of-specification and anomalous results, document the investigation, and elevate promptly to the Technical Manager
About you
D3 or S1 in Chemistry, Chemical Analysis or Chemical Engineering; or SMK-SMAK graduate with strong relevant experience
Minimum 3 years hands-on experience in an analytical or quality control laboratory
Practical experience operating gas chromatography is essential; GC-MS operation and interpretation is strongly preferred
Able to read, understand and apply English-language ISO methods and customer specifications
Competent in Microsoft Excel and in maintaining accurate written records
Demonstrated integrity in reporting analytical results, including unfavourable ones
Methodical, organised, and able to work independently with limited supervision
Experience with essential oils, aroma chemicals, flavour and fragrance, food or agro-commodity testing
Hands-on experience with Shimadzu instruments and LabSolutions software
Experience developing or transferring GC methods
PT. EXA MITRA SOLUSI (EXA) established in early 2004. We provides solutions which enable clients to focus on their core business processes & deliver consistent service level to their customer. We partner closely with one of the largest Indonesia’s bank lender by market value and the second largest bank by assets. Working with us means being part of a team of talented, passionate individuals with a shared focus on working together to deliver great customer experiences.
PT. EXA MITRA SOLUSI (EXA) established in early 2004. We provides solutions which enable clients to focus on their core business processes & deliver consistent service level to their customer. We partner closely with one of the largest Indonesia’s bank lender by market value and the second largest bank by assets. Working with us means being part of a team of talented, passionate individuals with a shared focus on working together to deliver great customer experiences.
What can I earn as a Laboratory Supervisor