Job summary
- Main area
- Toxicologist
- Grade
- Civil Service: Senior Executive Officer (SEO)
- Contract
- Fixed term: 2 years (FT)
- Hours
- Full time - 37.5 hours per week
- Job ref
- 919-CA-62098325-EXT
- Employer
- UK Health Security Agency
- Employer type
- Public (Non NHS)
- Site
- Scientific Campus - Chilton (Didcot)
- Town
- Oxford
- Salary
- £44,148 - £50,121 per annum pro rata
- Salary period
- Yearly
- Closing
- 27/11/2025 23:59
Employer heading
Senior Analytical Toxicologist
Civil Service: Senior Executive Officer (SEO)
Job overview
Undertake highly specialized scientific work for a sentinel surveillance programme of monitoring drugs of misuse in UK.
Communication and key working relationships
Internal
Team Lead (Grade 6), Programme Lead in Analytical Toxicology and other members of the programme in analytical toxicology.
Other members of Toxicology Department staff and Radiation, Chemical, Climate and Environmental Hazards staff involved in the development and operation of the department’s laboratory facilities, including Head of Department.
Other members of Radiation, Chemical, Climate and Environmental Hazards staff, including undertaking emergency response roles.
Radiation, Chemical, Climate and Environmental Hazards and wider UKHSA staff with Health and Safety responsibilities.
Other members of Radiation, Chemical, Climate and Environmental Hazards and wider UKHSA staff including contracts, purchasing, admin, HR, H&S
External
Scientists from collaborating institutes both conducting experimental work at the facility and in relation to the development and planning of experimental work programmes.
- Scientists from other institutes working in this and related areas (both UK and overseas).
- Staff from relevant Government Departments to discuss research and policy related areas especially the project sponsors.
Contractors/Suppliers working on the building, servicing and maintaining equipment, discussing requirements, training providers etc.
Main duties of the job
The post holder will take a key role in developing and conducting the surveillance study. This will include the following:
- Contribute to the long-term planning and development of the surveillance programme.
- Contribute to and take responsibility for specific aspects of the design, development and operation of the laboratories, including the analyses of drugs of misuse, drug adulterants, and drug metabolites by gas chromatography and liquid chromatography high resolution mass spectrometry techniques in biological/environmental samples.
- Design, execute and undertake Targeted and untargeted analyses of drugs of misuse in biological and environmental samples to support sentinel surveillance.
- Design, execute and undertake quantitative and qualitative analyses of drugs of misuse in biological/environmental samples to support UKHSA response to critical incidents.
- Contribute to the management of the surveillance programme including planning sample deliveries, experimental design, method development and improvement and data analysis including suspect screening.
- Collaborate with internal and external scientists in the development of proposals for funding and the development of programmes for experimental work.
Working for our organisation
We pride ourselves as being an employer of choice, where Everyone Matters promoting equality of opportunity to actively encourage applications from everyone, including groups currently underrepresented in our workforce. UKHSA ethos is to be an inclusive organisation for all our staff and stakeholders. To create, nurture and sustain an inclusive culture, where differences drive innovative solutions to meet the needs of our workforce and wider communities. We do this through celebrating and protecting differences by removing barriers and promoting equity and equality of opportunity for all. Please visit our careers site for more information https://gov.uk/ukhsa/careers
Detailed job description and main responsibilities
Continued Main Duties of the job
- Produce sound scientific papers for external peer reviewed publication and give presentations to audiences at different levels of scientific understanding including national and international conferences.
- Assist in the supervision of internal junior staff and visitors from collaborating organisations (e.g. MSc, PhD students from academic institutes)
- Undertake specific development tasks for the Programme Leader (e.g. Health and Safety responsibilities, writing standard operating procedures and relevant COSHH risk assessments)
Other
The above is only an outline of the tasks, responsibilities, and outcomes required of the role. You will carry out any other duties as may reasonably be required by your line manager.
Role Criteria and Other Requirements
Essential role criteria:
- MSc in a relevant science subject (e.g. Toxicology, Forensics, Chemistry) or equivalent experience of working at a similar level in Toxicology, Forensics, Chemistry.
- Honours degree in an appropriate science subject (e.g. Analytical chemistry) or equivalent experience in Analytical Chemistry and Mass spectrometry.
- Practical experience of mass spectrometry (MS) techniques including Liquid Chromatography-MS and Gas Chromatography-MS including method development and validation.
- General laboratory skills and experimental design skills (e.g. capable of working accurately and consistently in setting up equipment and in making complex measurements, technical competence in taking measurements coupled with good numeracy and experience with statistical analysis of experimental results)
- Presenting information effectively (communicating) at all levels, formally and informally and orally and in writing.
- Ability to (a) assess complex/novel situations and applications by applying fundamental scientific principles and (b) gather, interpret and critically assess complex information relevant to assessing the quantitation of chemicals and other environmental contaminants.
- An understanding of and commitment to equality of opportunity and good working relationships.
Desirable:
- Experience in writing scientific papers for peer reviewed journals
- Experience of presenting research findings at national/international conferences
- Experience of sample preparation techniques including solid-phase extraction (SPE) and SP microextraction.
- Experience or aptitude with the analysis of big data from mass spectrometry or other omics methods.
- Practically based PhD or equivalent experience in Analytical Chemistry and mass spectrometry.
Selection Process Details:
Stage 1: Application & Sift
This vacancy will be assessed using a competency-based framework which will assess your qualifications, knowledge and experience and skills and abilities outlined in the essential criteria.
You will be required to complete an application form. You will be assessed on the listed essential criteria, and this will be in the form of a:
-
Application form (‘Employer/ Activity history’ section on the application)
-
Up to 1,000 words Supporting statement.
This should outline how your skills, experience, and knowledge, provide evidence of your suitability for the role, with reference to the essential criteria.
The Application form and supporting statement will be marked together.
Please note you will not be able to upload your CV. You must complete the application form in as much detail as possible. Please do not email us your CV.
Longlisting
In the event of a large number of applications we will longlist into 3 piles of:
- Meets all essential criteria
- Meets some essential criteria
- Meets no essential criteria
The following will be taken through the next stage: Meets all essential criteria
Shortlisting
In the event of a large number of applications we will shortlist on:
- Practical experience of mass spectrometry (MS) techniques including Liquid Chromatography-MS and Gas Chromatography-MS including method development and validation.
If you are successful at this stage, you will progress to interview & assessment.
Please do not exceed 1,000 words. We will not consider any words over and above this number.
Feedback will not be provided at this stage.
Stage 2: Interview (competency based)
You will be invited to a (single) face to face interview. In exceptional circumstances, we may be able to offer a remote interview.
Knowledge, experience, skills & abilities will be tested at interview in relation to the bolded essential and desirable criteria.
You will be asked to prepare and present a 5–10-minute presentation at the start of your interview, aimed to assess your technical skills and abilities in regard to essential and desirable criteria.
The subject of this will be: Your application of mass spectrometry techniques.
Once this job has closed, the job advert will no longer be available. You may want to save a copy for your records.
Eligibility Criteria - External
Open to all external applicants (anyone) from outside the Civil Service (including by definition internal applicants).
Location
This role is being offered as hybrid working based at our lab in Chilton (Didcot - Oxford). We offer great flexible working opportunities at UKHSA and operate using a hybrid working model where business needs allow. This provides us with greater flexibility about how and where we work, to get the best from our workforce. As a hybrid worker, you will be expected to spend a minimum of 60% of your contractual working hours (approximately 3 days a week pro rata, (averaged over a month).
If based at one of our labs, you will be required to have a minimum of a Counter Terrorism vetting security check as a minimum. For meaningful National Security Vetting checks to be carried out individuals need to have lived in the UK for a sufficient period of time. You should normally have been resident in the United Kingdom for the last 3 years as the role requires Counter Terrorism Check (CTC) clearance. In exceptional circumstances UK residency less than the outlined periods may not necessarily bar you from gaining national security vetting and applicants should contact the Vacancy Holder/Recruiting Manager listed in the advert for further advice.
Salary Information
Please note: If you are successful at interview, and are moving from another government department, NHS, or Local Authority, the relevant starting salary principles for level transfers or promotions will apply. Otherwise, roles are offered at the pay scale minimum for the grade, but in exceptional circumstances there may be flexibility if you are able to demonstrate you are already in receipt of an existing, higher salary. Pay increases are through the relevant annual pay award for the role and terms.
Security Clearance Level Requirement
All successful candidates must meet the basic security requirements before they can be appointed. The level of security needed is:
- Basic Personnel Security Standard (BPSS).
- Counter Terrorism Check (CTC)
DBS Requirement:
Basic DBS
Person specification
Application form and Supporting Statement
Essential criteria
- Application Form and Supporting Statement
Interview
Essential criteria
- Questions on Experience, Knowledge and Skills
Presentation
Essential criteria
- Presentation
Documents to download
Further details / informal visits contact
- Name
- Conny Agyei
- Job title
- Resourcing Support Officer
- Email address
- [email protected]
- Additional information
For information regarding the role please contact [email protected] [Tim Marczylo - Programme Leader Analytical Toxicology]






