Sr. Lab Technician

7 days ago

Four Ashes UK, Shropshire, United Kingdom SI Group Full time

Location: Initially Manchester, relocating to Wolverhampton in 2025


At SI Group, we aspire for all employees to live and work to their full potential. We foster a unique environment where each employee is empowered to create value for our business with a commitment to safety and compliance. We promote personal and professional success that aligns with productivity and extraordinary results. Become a Catalyst for Change and help ignite impossible.


The Role:

As a Sr. Lab Technician, you will design polymer testing protocols, manage lab operations, and support product development. This includes operating lab equipment, conducting physical tests, and collaborating across departments to ensure innovation while maintaining safety and quality standards.


How You Will Make an Impact:

  • Design and execute polymer tests, manage application projects, and analyze data.
  • Operate lab equipment (extruders, moulders, mixers) and perform physical tests (viscosity, color, rheology, mechanical).
  • Troubleshoot, maintain lab instruments, and ensure safe operations following SOPs.
  • Ensure raw material availability and manage sample dispatch from the lab.
  • Collaborate with internal/external production sites and support cross-functional projects.



Creating Extraordinary Starts With:

  • Higher National Certificate Level 4/5 in Science (BSc in Polymer/Material Science preferred).
  • Extensive hands-on experience in polymer processing (extrusion, molding) and equipment maintenance.
  • Strong understanding of physical testing and troubleshooting.
  • Good interpersonal skills, self-motivated, and effective communicator.
  • Flexibility for occasional travel and 36.25 hours per week commitment.



What We Value:

We strive for all employees to nurture physical, mental and emotional health both personally and professionally. Our commitment to health and wellness centres around prevention, early detection and embracing a healthy lifestyle. Some offerings may vary by role or country, but may include:


Physical Health benefits including healthcare packages and vision care subsidies.

Financial Wellness opportunities including life assurance and enhanced employer pension contributions.

Wellbeing benefits including additional holiday entitlement, flexible and hybrid working opportunities, access to mental health support, various optional social activities, and fruit available on site.

Progression opportunities including access to learning and development programmes that will empower you to grow both personally and professionally.


Belonging at SI Group

At SI Group, we strive for all employees to perform to their fullest potential. We create an environment where diversity is embraced, voices are heard, boundaries are pushed, and value is created.


We celebrate diversity, equity, and inclusion as a driving force toward making the impossible possible, and we’re committed to ensuring all employees embrace it.


Data Privacy

We are committed to protecting your personal data. The information you provide will be used solely for recruitment purposes and processed in accordance with our Privacy Policy and local regulations. By submitting your application, you consent to our processing of your personal data.


Note for Recruitment Agencies: We handle job openings internally and prioritise direct hiring and referrals for efficiency. If necessary, we work with agencies from our Preferred Supplier List (PSL). We will not consider speculative CVs from agencies not on our PSL, and no introduction fee will be applicable.

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