What if the work you did every day could impact the lives of people you know? Or all of humanity? At Illumina, we are expanding access to genomic technology to realize health equity for billions of people around the world. Our efforts enable life-changing discoveries that are transforming human health through the early detection and diagnosis of diseases and new treatment options for patients. Working at Illumina means being part of something bigger than yourself. Every person, in every role, has the opportunity to make a difference. Surrounded by extraordinary people, inspiring leaders, and world changing projects, you will do more and become more than you ever thought possible. Optical Systems Associate (Undergraduate / Placement) – Cambridge, UK Onsite at Granta Park, Cambridge Please note you must be studying in the UK to be eligible for this placement. As an Optical Systems Associate here at Illumina in Cambridge, you will join our cutting‑edge Optical Systems Group—an R&D team advancing the optical technologies that power Illumina’s world‑leading DNA sequencing platforms, including the world’s first super‑resolution DNA sequencer. Over your 12‑week placement starting in June 2026, you’ll contribute to meaningful technical work, collaborate with experienced scientists and engineers, and gain exposure to interdisciplinary research at the intersection of physics, biology, and engineering. This placement offers real responsibility, professional development, and the opportunity to be part of a team whose innovations directly impact global human health. Illumina's employee benefits are industry-leading and include flexible time off, private medical insurance, compassion and care time off, leisure travel insurance, pension, employee stock purchasing program, volunteer time off, and much more! Why You You are working towards an upper‑class degree in a physical science such as Physics, Engineering, Mathematics, or a related discipline. You bring a solid understanding of core optical principles—including ray and wave theory—and ideally some hands‑on lab experience in optics or microscopy. You’ll thrive in an interdisciplinary environment, working at the interface of physics and biology, and you enjoy applying problem‑solving skills to real experimental challenges. Experience with simple scripting or modelling tools (MATLAB, Python, ImageJ, Labview) is valuable, alongside a collaborative mindset, strong communication skills, enthusiasm for learning, and evidence of academic achievement. Experience with breadboard optical systems or biochemical systems is a bonus but not required. Key Responsibilities Include Technical & Analytical Support Apply basic problem‑solving approaches to define and resolve routine technical issues Perform experimental tasks following established procedures and standard lab practices Support optical system design, testing, data collection and analysis Project Contribution Assist with research activities that support development of advanced optical technologies Execute tasks aligned to project milestones under general guidance Document findings, observations, and data clearly for team review Collaboration & Communication Work closely with colleagues, project leaders and your supervisor to exchange information and updates Build effective working relationships within the Optical Systems Group Contribute to team meetings, discussions, and collaborative problem solving Learning & Development Seek guidance and training to deepen technical and professional skills Learn Illumina tools, processes and methodologies while gaining exposure to R&D workflows Demonstrate initiative, curiosity and enthusiasm for contributing to meaningful scientific work Our Selection Process After initial screening, you’ll meet with our Talent Acquisition team for an introductory discussion about the placement process. The remaining steps are: Recorded Video Interview Manager Interview Panel Interview – Meet the Team! Offer Applications close Friday 20th February 2026. If you have any questions, you can email: EarlyCareers@illumina.com Our team members are bright, energetic, and dedicated - they are the driving force behind our innovation and impact. To attract the best and brightest, we offer a competitive employee benefits program. We view it as a smart investment in our people, one that recognises the tremendous value they bring to our business every day. At Illumina, we push boundaries. We think beyond the conventional. We dream big. With the energy of so many bright and accomplished people, the opportunities are endless. INDEUR We are a company deeply rooted in belonging, promoting an inclusive environment where employees feel valued and empowered to contribute to our mission. Built on a strong foundation, Illumina has always prioritized openness, collaboration, and seeking alternative perspectives to propel innovation in genomics. We are proud to confirm a zero-net gap in pay, regardless of gender, ethnicity, or race. We also have several Employee Resource Groups (ERG) that deliver career development experiences, increase cultural awareness, and offer opportunities to engage in social responsibility. We are proud to be an equal opportunity employer committed to providing employment opportunity regardless of sex, race, creed, color, gender, religion, marital status, domestic partner status, age, national origin or ancestry, physical or mental disability, medical condition, sexual orientation, pregnancy, military or veteran status, citizenship status, and genetic information. Illumina conducts background checks on applicants for whom a conditional offer of employment has been made. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable local, state, and federal laws. Background check results may potentially result in the withdrawal of a conditional offer of employment. The background check process and any decisions made as a result shall be made in accordance with all applicable local, state, and federal laws. Illumina prohibits the use of generative artificial intelligence (AI) in the application and interview process. If you require accommodation to complete the application or interview process, please contact accommodations@illumina.com. To learn more, visit: https://www.dol.gov/ofccp/regs/compliance/posters/pdf/eeopost.pdf. The position will be posted until a final candidate is selected or the requisition has a sufficient number of qualified applicants. This role is not eligible for visa sponsorship.