Allegro MicroSystems

Principal Scientist, Biosensor Assay Development

Allegro MicroSystems$100K — $130K *
Pharmaceuticals & Biotech
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Ph.D. in Biochemistry, Bioengineering, Molecular Biology, or a related scientific field.
  • 8-12 years of experience in Assay Development within diagnostics or life sciences.
  • Deep expertise in immunoassays and/or molecular diagnostic techniques.
  • Strong understanding of surface functionalization (silanes, PEGylation, related chemistry).
  • Experience with microfluidic systems or 'Lab-on-a-Chip' platforms.
  • Entrepreneurial, 'hands-on' approach to lab management and technical support.
  • Ability to bridge biochemistry and electronic engineering.

Responsibilities

  • Establish and oversee a new biochemistry R&D lab in Manchester, defining SOPs and managing safety protocols.
  • Lead design and optimization of assay formats for a variety of biological targets.
  • Optimize sensor surface functionalization to minimize non-specific binding and ensure reagent stability.
  • Serve as Lead Field Applications Scientist, supporting customers with proof-of-concept samples and technical assistance.
  • Collaborate with engineers to ensure biochemical methods are compatible with production processes.

Benefits

  • Opportunity to lead foundational research in a specialized venture.
  • Hands-on role with significant direct interaction with global customers.
  • Work in a state-of-the-art biochemistry lab in Manchester.
  • Lead the development of innovative assay formats for diverse applications.
  • Collaborative environment with multidisciplinary teams.
Full Job Description
The Opportunity

Allegro MicroSystems is expanding its technology portfolio by integrating high-precision semiconductor sensing with advanced biochemistry, developing a lab on chip solution for point of care diagnostics. We are seeking a Principal Assay Scientist to lead the biochemical development and application of our Giant Magnetoresistance (GMR) biosensor platform. This is a foundational role within a specialized internal venture, where you will be responsible for the "wet-ware" and surface chemistry that allows our sensors to interface with complex biological systems.

As a hands-on leader, you will establish our Manchester-based biochemistry lab, oversee the development of diverse assay formats, and work directly with global customers to transition their biological and diagnostic applications onto our sensing platform.

What You Will Do
  • Foundational Lab Leadership: Establish and oversee a new biochemistry R&D laboratory in Manchester. You will define SOPs, manage safety protocols, and lead a small, agile team (initially 1-2 members) to support rapid prototyping and validation.
  • Multi-Modal Assay Development: Lead the design and optimization of various assay formats, including sandwich and competitive architectures. You will work across a wide range of targets (Proteins, DNA, RNA) and sample matrices (e.g., whole blood, serum, saliva) to prove platform versatility.
  • Surface Chemistry & Interface Engineering: Optimize the functionalization of sensor surfaces. You will develop robust protocols for tethering capture molecules to semiconductor-based sensor stacks while minimizing non-specific binding and ensuring long-term reagent stability.
  • Field Applications & Customer Success: Serve as the Lead Field Applications Scientist (FAS). You will support early-adopter customers by creating proof-of-concept samples, validating their specific use cases, and traveling to customer sites to assist with technical bring-up and method transfer.
  • Production & Method Transfer: Collaborate with microfluidic, packaging, and manufacturing engineers to ensure biochemical methods are compatible with high-volume production and cartridge assembly processes.


What You Will Need
  • Ph.D. in Biochemistry, Bioengineering, Molecular Biology, or a related scientific field.
  • 8-12 years of experience in Assay Development within the diagnostics or life sciences industry. Proven success in taking an assay from early-stage concept through to a validated method.
  • Deep expertise in immunoassays and/or molecular diagnostic techniques.
  • Strong understanding of surface functionalization (e.g., silanes, PEGylation, or related chemistry).
  • Experience working with microfluidic systems or "Lab-on-a-Chip" platforms.
  • A "hands-on" entrepreneurial approach. You must be comfortable wearing many hats-from bench work and lab management to technical sales support and high-level strategy.
  • Ability to bridge the gap between biochemistry and electronic engineering.
  • Ability to travel up to 25% to support global customer integration and production bring-up.


#LI-Hybrid

About Allegro MicroSystems

Allegro MicroSystems is a leading global designer, developer, fabless manufacturer, and marketer of sensor integrated circuits (ICs) and application-specific analog power ICs enabling emerging technologies and powering the world’s most innovative products. The company’s diverse product portfolio provides efficient and reliable solutions for the automotive, communications, computing, consumer, industrial, LED lighting, medical, and power management markets. Allegro’s headquarters are in Manchester, New Hampshire (USA) with design, applications, and sales support centers located worldwide. The company is ISO 9001:2015 certified and has been publicly traded on the NASDAQ Stock Market since 2019.
Learn more about Allegro MicroSystems
Size
3,000 employees
Market Cap
$5.6 billion
Industry
5 Year Trend
+21.9%
NASDAQ

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