Industrial Detector Ic Design

This is a semiconductor engineering role: you design the integrated circuits ("ICs", or silicon chips) that sit behind industrial detectors and sensors - things like X-ray and radiation detectors, image sensors, LiDAR, gas and particle sensors, or machine-vision cameras used in factories, medical imaging, scientific instruments and inspection equipment. The work is mostly analogue and mixed-signal circuit design: taking the tiny, noisy electrical signal a detector produces and amplifying, filtering, digitising and reading it out reliably. You typically work inside a chip design team at a semiconductor company, an instrumentation manufacturer or a research facility, designing a block of a chip rather than a whole product on your own.

Starting salary: £30k–£38k
Live graduate jobs: 1 open now
Main way in: Direct graduate entry as an analogue/mixed-signal design…
They usually ask for: A degree in electronic engineering, electrical and electronic…

Approximate graduate salary

Typically around £30,000–£38,000 to start for a graduate analogue/mixed-signal design engineer, with PhD entrants often starting somewhat higher. This varies widely by employer, location and sector - chip design clusters such as Cambridge, Bristol, Edinburgh and the Thames Valley tend to pay more than smaller instrumentation firms elsewhere.

What you'd actually do

Drawing and simulating circuits in a schematic editor - usually in an industry EDA tool suite (EDA means 'electronic design automation', the software used to design chips) - for blocks like low-noise amplifiers, charge-sensitive preamplifiers, comparators, ADCs (analogue-to-digital converters) and bias/reference circuits
Running long simulation sweeps across process, voltage and temperature corners to check the circuit still works when the silicon comes out slightly different from nominal, and digging into why a corner fails
Working on layout - how the transistors are physically drawn on silicon - either doing it yourself or reviewing and directing a dedicated layout engineer, because in detector readout the physical arrangement directly affects noise and matching
Writing and reviewing test plans, then characterising returned silicon on the lab bench: probe stations, oscilloscopes, source measure units, radiation or light sources, and comparing measured noise and linearity against what you simulated

Show 3 more

Reading detector physics and system requirements with the people who make or use the detector, and translating 'we need to resolve this signal at this rate' into circuit specifications like input-referred noise, gain, bandwidth and power budget
Sitting in design reviews where colleagues pick apart your schematics, and documenting your block so it can be integrated into a larger chip
Debugging: a large part of the week can be chasing why one channel out of many behaves differently, or why a part fails at high temperature

How graduates get in

Direct graduate entry as an analogue/mixed-signal design engineer at a semiconductor company or instrumentation firm - the most common route. Vacancies are relatively few and often advertised individually rather than as large graduate schemes.
An MSc or MEng with a strong analogue/RF/microelectronics strand is the usual expectation; a four-year MEng in electronic engineering is a very common starting point, and a taught MSc in microelectronics or analogue IC design is a well-worn conversion route for physics or general engineering graduates.
A PhD in detector instrumentation, particle/medical physics electronics, sensors or IC design is common in this niche, particularly for X-ray, radiation and scientific-imaging readout chips, and often leads straight into a design role.
Industrial placement year or summer internship with a chip design or sensor company - this is probably the single strongest signal to employers, because it shows you have actually used the design tools.

Show 2 more

Entry via an adjacent role and sideways movement: starting in test/characterisation, applications engineering, FPGA or verification, then moving into design once you know the products. Realistic but usually slower.
Graduate schemes at large defence, aerospace or scientific facilities that include a microelectronics or detector systems stream - less common, but they exist and tend to rotate you before specialising.

What employers ask for

A degree in electronic engineering, electrical and electronic engineering, physics with electronics, or engineering physics. The subject genuinely matters here - this is not a role you enter from an unrelated degree without a conversion MSc.
Most adverts ask for a 2:1 or above; some ask for a first, and some will look past grades if you have a placement year or strong project work in circuit design. This varies by employer.
Demonstrable exposure to transistor-level design: a final-year or MSc project that involved designing and simulating a circuit in CMOS using professional tools is far more persuasive than coursework alone.
Comfort with semiconductor device physics and noise theory - understanding MOSFET operating regions, thermal and flicker noise, and why a circuit's noise floor sets what a detector can see.

Show 2 more

For some employers, especially defence, nuclear and some space or scientific work, you may need to be eligible for UK security clearance or face export-control restrictions; check this early as it can rule out otherwise suitable candidates.
No mandatory professional licence, but working towards Chartered Engineer (CEng) status via the IET or IoP is common and some employers support it.

Skills that matter

Transistor-level analogue design

The core of the job is choosing topologies and sizing transistors to hit noise, gain, speed and power targets simultaneously, which digital design skills do not substitute for.

Noise analysis and low-noise technique

Detector signals are often minute, so the limit on what the whole instrument can measure is usually set by the noise of the first amplifier stage you design.

EDA tool fluency and simulation discipline

You live in schematic capture, SPICE-type simulators and corner/Monte Carlo analysis, and knowing how to set up a simulation that actually proves something is a skill in itself.

Scripting, usually Python, Matlab or Skill/Tcl

You automate simulation sweeps, post-process large result sets and build quick behavioural models rather than clicking through thousands of runs by hand.

Lab measurement and debugging

Silicon rarely behaves exactly as simulated, and the engineer who can get a sensible measurement off a bench and reconcile it with the model is the one who finds the bug.

Patience and evidence-led reasoning

Chip respins are slow and expensive, so the culture rewards people who check thoroughly and admit uncertainty rather than guessing and iterating fast.

Explaining circuit behaviour to non-circuit people

You constantly negotiate specifications with detector physicists, system engineers and customers who care about image quality or detection limits, not about your amplifier.

Putting these on a CV? We counted which skills 12,914 live graduate adverts ask for, and what to do with the answer — part of our application advice.

Where it leads

Graduate/junior design engineer: you own small blocks - bias circuits, buffers, a single channel - under close supervision, and spend a lot of time learning the tool flow and the company's design methodology. Typically a couple of years, though this varies.
Design engineer: you own larger blocks or a full readout channel, write your own specifications, take silicon through characterisation and start reviewing others' work.
Senior design engineer: responsible for a whole chip or a major subsystem, making architecture decisions, mentoring juniors and interfacing directly with customers or detector partners. Reaching this point commonly takes several years but timelines vary widely by employer and by how many tapeouts (chip manufacturing runs) you get exposed to.
From there the path usually forks: a technical track towards principal engineer, design architect or technical fellow, where you set the approach for a product family; or a management track into design team lead, engineering manager or programme management.
Sideways moves are common and well-paid: into applications or product engineering, into systems engineering for the whole instrument, into technical sales for chip IP, or into research posts at national laboratories and universities. A minority start consultancies or small design houses.

What people get wrong

“IC design is mostly coding, so a good programmer can walk into it.”

Digital chip design is code-like (writing hardware description languages), but detector readout work is predominantly analogue - you are reasoning about physics, noise and transistor behaviour. Scripting supports the job rather than being the job.

“You design a chip, send it off, and move on to the next one.”

Design cycles are long and the feedback loop is brutal - it can be many months between finishing a design and holding the silicon, and a single missed corner case can cost a whole manufacturing run. A lot of the role is checking and documenting, not creating.

“'Industrial' means routine, low-tech work compared with consumer electronics.”

Industrial and scientific detector chips often push harder on precision, noise floor, radiation tolerance and operating temperature than consumer parts do, because the application - medical imaging, inspection, particle physics - demands it. Volumes are lower, specifications are tighter.

“You need a PhD to be taken seriously.”

A PhD is common in the scientific-detector corner of this field and can help, but plenty of designers enter with an MEng or MSc plus a placement year. What matters more is whether you can show real transistor-level design work.

Where this varies

The job looks quite different depending on who you work for. At a semiconductor company selling readout chips as products, you work on repeatable commercial parts with strong process discipline and a large supporting cast of layout, verification and test engineers. At an instrumentation or detector manufacturer, the chip is one part of a product and you may also be expected to do board-level electronics, firmware or system testing. At a national laboratory, university group or large-science facility, designs are bespoke, often radiation-hard, teams are small, and the pace follows experiment schedules rather than market ones - pay tends to be lower but the technical problems are unusually interesting. Defence and nuclear employers add clearance and export-control constraints. Some roles labelled this way are closer to applications or system engineering than pure chip design, so read the advert carefully for whether you will actually be sizing transistors.

See all 1 live Industrial Detector Ic Design jobsFrom employers' own careers sites, updated daily Tailor your CV for this roleFree with an account, 3 a month

General guidance about the role across the UK market, not about any specific employer. Entry routes and requirements vary — always check the individual job advert.