PhD researcher in Systems Toxicology: connecting co-expression networks to injury and pathology. Leiden NL
Community-posted
Last verified: 26/09/2026
Verified · Sep 2026Region
Global
Deadline
Rolling basis; applicants should check the official university vacancies page for current openings.
Funding
Salary and benefits are provided in accordance with the Collective Labour Agreement for Dutch Universities.
Duration
Typically 4 years for a PhD program in the Netherlands.
Key dates
- Recurrence
- rolling
- Date confidence
- unknown
- Last verified
- 26/09/2026
Overview
Leiden University is seeking a PhD researcher to work in Systems Toxicology, focusing on connecting co-expression networks to injury and pathology. The research involves analyzing transcriptomics databases and utilizing WGCNA to model liver and kidney toxicity in drug and chemical safety testing. The successful candidate will join an interdisciplinary team at the Division of Drug Discovery & Safety, collaborating with academic, industrial, and regulatory partners.
Eligibility
Applicants must hold an MSc degree in experimental toxicology, biopharmaceutical sciences, or bioinformatics. Candidates should possess a deep understanding of either experimental work or computational approaches, with demonstrated experience in transcriptomic analysis and proficiency in R.
Relevant fields
Key Requirements
- MSc degree in experimental toxicology, biopharmaceutical sciences, or bioinformatics
- Strong affinity for both computational and experimental work
- Experience with transcriptomic analysis
- Proficiency in R and Shiny app development
- Strong analytical and communication skills
- Ability to work independently as part of an interdisciplinary team
How to Apply
- 1Visit the official Leiden University vacancies portal
- 2Review the full vacancy details and requirements
- 3Prepare required documentation including your CV and cover letter
- 4Submit your application through the official university career portal
Application checklist generator
Deadline on the provider pageGenerated from this listing's level, funding and requirements. Use it as the starting point, then confirm every detail on the official page.
Documents to prepare (15)
- Academic CVRequired
Research-focused CV: techniques, model systems, publications, conference posters and funding.
Lead time: 2–3 days
- Motivation letter / statement of purposeRequired
Tailored to Community-posted: why this programme, what you bring, and where it takes your career.
Lead time: 1–2 weeks
- Transcripts and degree certificatesRequired
Official copies, plus certified English translations if the originals are in another language.
Lead time: 2–4 weeks (registrar)
- Reference lettersRequired
Usually two or three, at least one from a research supervisor who has seen you at the bench.
Lead time: 3–4 weeks
- Passport / ID copyRequired
Valid for at least six months beyond the intended start date.
Lead time: Same day
- English proficiency proofRequired
IELTS / TOEFL score, or an official waiver letter if your degree was taught in English.
Lead time: 4–8 weeks (booking + results)
- Research proposal or project outlineRequired
1–3 pages: question, rationale, methods you can already run, feasibility and fit with the host group.
Lead time: 1–3 weeks
- Supervisor / PI contact emailRecommended
A short, specific email to the host researcher. Most funded research posts are decided here first.
Lead time: 1 day to write, 1–2 weeks to hear back
- Funding and budget detailsRecommended
Check what the award actually covers (tuition, stipend, travel, insurance) and prepare proof of any co-funding.
Lead time: 2–3 days
- MSc degree in experimental toxicology, biopharmaceutical sciences, or bioinformaticsRequired
Listed explicitly by the provider — treat as mandatory.
Lead time: Varies
- Strong affinity for both computational and experimental workRequired
Listed explicitly by the provider — treat as mandatory.
Lead time: Varies
- Experience with transcriptomic analysisRequired
Listed explicitly by the provider — treat as mandatory.
Lead time: Varies
- Proficiency in R and Shiny app developmentRequired
Listed explicitly by the provider — treat as mandatory.
Lead time: Varies
- Strong analytical and communication skillsRequired
Listed explicitly by the provider — treat as mandatory.
Lead time: Varies
- Ability to work independently as part of an interdisciplinary teamRequired
Listed explicitly by the provider — treat as mandatory.
Lead time: Varies
Suggested timeline
8 weeks before
Confirm eligibility and contact the host
Re-read the eligibility on Community-posted's own page and email the supervisor or programme office with a short, specific enquiry.
6 weeks before
Ask your referees
Send each referee your CV, the listing link and the submission date. Chase politely after a week of silence.
5 weeks before
Order transcripts and language proof
Registrars and test centres are the slowest link in the chain — start them before you start writing.
4 weeks before
First draft of your statement
Write the motivation letter and (if required) the research proposal end-to-end. A rough full draft beats a polished half.
2 weeks before
Feedback and revision
Get one researcher and one non-specialist to read it. Cut anything that could be said about any other applicant.
1 week before
Assemble and check the package
File names, formats, page limits, word counts, and every mandatory field in the portal.
2 days before
Submit
Submit early. Portals crash on deadline day and time zones are rarely yours.
After the deadline
Follow up and keep applying
Note the decision date, send one polite follow-up if it passes, and keep two backup listings running in parallel.
Next steps
- Open the official listing and copy the exact requirement list into your checklist below.
- Verify the current deadline directly on Community-posted's page — aggregated dates can lag behind.
- Email the supervisor or PI with a three-paragraph enquiry: who you are, what you can run at the bench, what you want to ask.
- Add every document above to your checklist and give each one a due date.
- Line up two backup listings in the same region so a single rejection doesn't cost you the cycle.
Application Checklist
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Deadlines, amounts, and requirements shift between cycles. Always confirm details on the official page before applying. If you spot an outdated link, let us know on WhatsApp.