Gemmologist II
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Public Service Commission Kenya (PSCK) is recruiting Gemmologist II (2 posts) based in Nairobi. The role involves examining and identifying minerals, grading and valuing gemstones, and performing precision gemstone processing using laboratory instruments such as XRF, XRD, and spectrometers.
- 2 vacancies available for Gemmologist II
- Bachelor's degree in Geology, Earth Sciences, Chemistry, Mineral Processing or Materials Engineering required
- Proficiency in gemological testing instruments required
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Public Service Commission Kenya (PSCK) is recruiting Gemmologist II (2 posts) based in Nairobi. The role involves examining and identifying minerals, grading and valuing gemstones, and performing precision gemstone processing using laboratory instruments such as XRF, XRD, and spectrometers.
- 2 vacancies available for Gemmologist II
- Bachelor's degree in Geology, Earth Sciences, Chemistry, Mineral Processing or Materials Engineering required
- Proficiency in gemological testing instruments required
- Duties include gemstone grading, valuation, and precision cutting
- Application via PSCK portal at pscims.publicservice.go.ke
AI job guide
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AI salary guide
Source salary availableThe source lists Never pay for any notarisation, certificate or assessment as part of any recruitment process. Confirm the final pay, benefits, contract terms and allowances directly with the employer before accepting an offer.
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- UnclearRelated work experienceThe text mentions experience, but the exact level should be confirmed at source.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in technical, laboratory, full timeThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in NairobiThe vacancy is associated with this location.
- UnclearComfort with the Full Time contract termsConfirm hours, duration, probation and benefits at the original source.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Gemmologist II evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Public Service Commission Kenya (PSCK) and the role in Nairobi.
- Add concrete examples related to technical, laboratory, full time, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from Others; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
- Prepare a polite question about pay, benefits and contract terms for later interview stages.
Source and safety check
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- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
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Interview preparation
- What experience makes you a strong fit for this Gemmologist II role in technical, laboratory?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Nairobi under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Public Service Commission Kenya (PSCK) before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
Never pay for any notarisation, certificate or assessment as part of any recruitment process. When in doubt,
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The Commission dates back to 1954 when Civil Service Commission was established by British Colonial Government following Holmes Commission Report, 1948;
Civil Service Commission was advisory to the Governor in matters of appointments;
At independence in 1963 it was enshrined in the constitution and renamed Public Service Commission;
Independence Constitut...
Gemmologist II - 2 Posts
Job Type: Full Time
Qualifications
BA/BSc/HND
Experience
Location: Nairobi
Job Field: Engineering / Technical
For appointment to this grade, a candidate must have:-
a Bachelors degree in Geology, Earth Sciences, Chemistry, Mineral Processing or Materials Engineering from a university recognized in Kenya; and
proficiency in using gemological testing instruments
Duties and
Responsibilities
Duties and
will include: -
examining and identifying minerals using basic, standard, and advanced mineral testing equipment;
collecting, analyzing, and interpreting mineralogical data to support effective resource management and decision-making;
assisting in grading and valuing gemstones to determine and enhance their market value;
safely processing, pulverizing, and homogenizing incoming ore and mineral samples for laboratory analysis;
performing routine quantitative analyses using XRF (X-ray Fluorescence), XRD (X-ray Diffraction), and spectrometer systems;
calibrating and maintaining sensitive laboratory instruments, ensuring accurate results and complete batch chain-of-custody documentation;
evaluating rough gemstones to estimate weight recovery and maximize polished gemstone yield; and
performing and supervising precision gemstone processing, including sawing, pre-forming, faceting, and cabochon cutting.
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Method of Application
- Interested and qualified? Go to
- Public Service Commission Kenya (PSCK) on pscims.publicservice.go.ke
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