Mars
Associate Scientist External Manufacturing (FTC 1 year)

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Job Description
In this role the job holder’s key area of responsibility is ensuring the implementation and maintenance of the Global External Manufacturing Quality Management and Quality Management System frameworks, and driving a continuous improvement culture on the site. In addition, the jobholder is responsible for ensuring all new product development and technical changes are managed robustly according to QMS processes such as QuEST. The jobholder will also have the responsibility to ensure product incidents are managed according to the PRIMP process and ensuring incidents are escalated according to the defined timelines.
Location: Slough, UK (hybrid)
Contract: 1-year contract
Salary: annual salary £43,850 - £51,000 (depending on the experience), annual bonus, benefits
What are we looking for?
- Academic education in food science/ technology or related subject would be beneficial
- Strong hands-on experience in a Quality or Food Safety role in food industry or related industries
- Strong relationship builder with good commercial awareness and supplier management skills
- Proven and effective project management & organizing experience
- Visible passion, behavior and leadership around Mars first principle – Quality
- Key Skills:
- HACCP, ISO, and quality & food safety management systems, PRIMP, Risk assessment & management
- Auditing, preferably Lead auditor qualified
- Basic Food microbiology, analytical chemistry and sensory methods knowledge
- Basic technological knowledge around food processing equipment
- Knowledge about Lean Six Sigma methods
- Strong communicator
- High level of travel 70% (visiting external manufacturers' sites)
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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What would be your key responsibilities?
As the primary MARS R&D representative at External manufacturers, the Associate scientist is responsible for:
- External manufacturer Approval and on-going verification
- Assess and drive Mars quality culture and behaviors
- Perform all co-manufacturing Q&FS audits verifying the quality and effectiveness of their quality management systems and compliance to MARS QMP requirements
- Assess and ensure continuous improvement culture is in place
- Drive implementation of QMP standards, specifically External Manufacturing Quality Management (EMQM)
- Ensure that the supplier has robust and effective quality management systems and processes in place e.g. HACCP, Supplier Quality Assurance
- Creation of implementation action plans and monitor progress to ensure completion in line with mandated timeframes. Development and Continuous Improvement of External manufacturer
- Develop External manufacturers to agreed status
- Set Q&FS measures in line with targets of Right First Time, Complaints Per Million and Total Conformance index and ensure clear action plans are in place to meet KPIs
- Implement best practices and learning from relevant serious and critical incidents within the targeted timeframe
- Performance management of External manufacturers
- Responsible for gathering and reporting all food safety and quality related metrics and driving necessary continuous improvement programmes
- Responsible for analysis of microbiological and analytical laboratory data related to the safety of raw material and finished goods and carrying out the correct escalation procedures
- New product development:
- Lead Risk Assessments to ensure that all QFS and legal hazards have been identified and effective control measures are in place
- Create Technical Specifications based on risk assessment output, product specifications and manufacturer’s process specifications
- Participate in line trials at the supplier, assess effectiveness of all control measures and identify necessary improvements
- Lead and execute Handover 1 to approve supply solutions to self-sufficient production status.
- Incident Management:
- Manage the Hold & Release process
- Application of problem solving tools such as PDCA, 5 whys, to aid root cause analysis as part of post incident reviews
- Ensure corrective and preventative actions are implemented within agreed time frames and incident learnings are shared with the wider business


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What can you expect from Mars?
- Work with diverse and talented Associates, all guided by the Five Principles.
- Join a purpose-driven company, where we’re striving to build the world we want tomorrow, today.
- Best-in-class learning and development support from day one, including access to our in-house Mars University.
- An industry-competitive salary and benefits package, including a company bonus.
Mars is committed to providing access, equal opportunity, and reasonable adjustments for individuals with disabilities, long-term health conditions, or who are neurodiverse during the application and recruitment process. To request reasonable adjustments, complete our Reasonable Adjustment Request Form here
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