Summer Mechanical Engineer

A summer mechanical engineer is a student or recent graduate doing a paid placement - usually around 8 to 12 weeks over the summer vacation - inside an engineering team, working on real design, analysis, testing or manufacturing tasks. You're typically attached to one team (say, a design office, a test rig team or a production line) and given a scoped piece of work plus a supervising engineer. Employers range from aerospace, automotive, defence and energy companies through to building services consultancies, medical device firms and small manufacturers.

Starting salary: £18k–£26k
Live graduate jobs: 6 open now
Main way in: Applying to structured summer internship schemes at larger…
They usually ask for: Currently studying towards a mechanical engineering degree, or…

Approximate graduate salary

Paid summer placements in UK mechanical engineering typically pay somewhere around £18,000–£26,000 pro rata, which works out as roughly £350–£500 a week for the weeks you work - but this varies widely by employer size, sector and location, with London and large aerospace, defence or energy employers at the higher end and small manufacturers or university research bursaries lower. Some placements add accommodation support or a relocation allowance; a minority of research placements pay a flat bursary instead of a salary.

What you'd actually do

Producing or amending 3D CAD models and 2D drawings of parts and assemblies - often tidying up an existing design, adding tolerances and dimensions, or modelling a bracket, housing or fixture that someone needs made
Running calculations and simulations: hand calcs for stress, loads, heat transfer or fluid flow, and sometimes FEA (finite element analysis - computer modelling of how a part deforms or stresses under load) or CFD (computational fluid dynamics - simulating airflow or liquid flow)
Time in a workshop, lab or on the factory floor - setting up a test rig, instrumenting a part with sensors, watching a machining or assembly process and noting where it goes wrong
Collecting and crunching test or process data in Excel, MATLAB or Python, then turning it into charts and conclusions someone can act on

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Chasing information: emailing suppliers for lead times and datasheets, asking a machinist whether a feature can actually be made, finding out which revision of a drawing is the current one
Sitting in team stand-ups and design reviews, mostly listening, occasionally presenting what you've found
Writing up - a short technical report, an updated procedure, or a presentation to the team (and sometimes to senior managers) in the final week

How graduates get in

Applying to structured summer internship schemes at larger engineering employers - aerospace, automotive, defence, rail, energy, water, building services consultancies. These are the most visible route and open early, often in the autumn before the summer in question, with rolling selection that closes when places fill
Direct applications to small and medium-sized manufacturers and consultancies, which often don't advertise widely. A speculative email with a CV and a short note about what you can do is genuinely effective here and much less competitive
Through your university - department placement coordinators, careers service vacancy boards, industrial liaison contacts and academic supervisors who have industry links. Some engineering departments run their own summer placement pools
A summer research placement in a university lab, sometimes funded through national undergraduate research bursary schemes. Common if you're leaning towards an MEng/PhD or R&D route, and still counts as engineering experience

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Converting other contact into a placement: a company you did a group design project with, a factory tour contact, or a STEM outreach/competition link such as Formula Student sponsors
Less common but real: year-in-industry placements shortened or restructured into a summer, or returning for a second summer at a place you worked before - returners are often hired straight back without a full process

What employers ask for

Currently studying towards a mechanical engineering degree, or a closely related one - aerospace, automotive, manufacturing, general or integrated engineering, and sometimes physics or materials. Most schemes want you to be returning to study afterwards; some accept recent graduates, so check the wording
Typically a target of a 2:1 or equivalent, often expressed as being on track for one. Some large schemes also state A-level requirements (commonly including maths); plenty of smaller employers don't filter on grades at all
Usual timing is between the penultimate and final year, though some schemes take first-years and MEng students in their third year. This varies a lot by employer
Working CAD ability in at least one package - SolidWorks, CATIA, Creo, Inventor, NX or Fusion. Nobody expects expert level, but being able to model and detail a part without supervision is a strong differentiator

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Right to work in the UK. Some defence, nuclear and aerospace placements additionally require UK nationality or security clearance eligibility, which can rule out otherwise strong candidates - check before you invest time in an application
Evidence you've done something hands-on: Formula Student, Engineers Without Borders, a robotics or rocketry society, car or bike restoration, a part-time job in a workshop, or a well-documented personal build project

Skills that matter

CAD modelling and technical drawing

Most summer tasks end in a model or drawing someone else has to use, and understanding GD&T, tolerances and drawing conventions is what separates a usable output from one an engineer has to redo.

Engineering judgement on rough calculations

You'll constantly be asked whether something is roughly right - will this bracket hold, is this pump big enough - and being able to do a defensible back-of-envelope calc quickly is more valuable in ten weeks than a perfect simulation.

Data handling in Excel, MATLAB or Python

Test rigs and production lines generate messy data, and interns are very often the person asked to clean it, plot it and say what it means.

Asking questions without waiting

Summer placements are short, and the commonest way interns waste a fortnight is sitting on a blocker rather than walking over to a technician or supervisor and asking.

Writing things down clearly

Your work only survives after you leave if the report, drawing notes or handover document make sense to someone who wasn't there, and this is explicitly what you're assessed on at the end.

Shop-floor and workshop awareness

Knowing roughly how parts are machined, welded, moulded or assembled stops you designing something that can't be made, and earns credibility with technicians who often know more practical engineering than anyone else in the building.

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

A graduate job offer from the same employer - this is the main commercial point of the scheme for larger firms, and a good summer often ends with a conditional offer or a fast-tracked route into the graduate scheme. Not universal: smaller employers may simply have no graduate vacancy to offer.
Returning for a year-in-industry placement or a second summer, often with a more substantial project and more autonomy.
Entry to a graduate engineering scheme or direct graduate engineer role after you finish your degree, frequently rotational - a year or two moving between design, manufacturing, testing and sometimes commercial teams.
Working towards chartership with one of the professional institutions (IMechE is the usual one for mechanical engineers). Time spent on a placement can count towards your initial professional development evidence if you keep a record. Reaching Incorporated or Chartered Engineer status typically takes several years after graduation, and the timeline varies considerably with employer support and route.
From there, paths diverge widely: deep technical specialism (stress, thermal, NVH, systems), design authority and principal engineer roles, project or engineering management, or sideways into consultancy, sales engineering or technical roles outside engineering altogether.

What people get wrong

“You'll spend the summer designing exciting new products.”

Most interns inherit a narrow, well-defined piece of work - validating an existing design, updating a drawing pack, building a test fixture, analysing data from a trial. That's not a failure of the placement; a genuinely novel design task can't realistically be scoped and completed in ten weeks, and the narrow tasks are what real junior engineering work looks like anyway.

“It's mostly CAD and simulation at a desk.”

A surprising amount of the job is logistics and people - finding out who owns a drawing, waiting for a part from a supplier, persuading a technician to fit your test into their week. Engineers describe being blocked as the normal state, and the skill is in working around it.

“Applications can wait until spring, since it's a summer job.”

The structured schemes at larger engineering employers typically open in the autumn term and many close or fill well before Christmas. Leaving it until the spring restricts you mostly to smaller firms and speculative applications - which are worth doing, but it's a narrower field.

“A summer placement at a big-name manufacturer is always better than one at a small firm.”

Large employers offer structure, brand recognition and a clear graduate pipeline, but work can be narrow and heavily supervised. At a small firm you may be the only person on a task, see a part go from sketch to shipped, and come away with far more concrete things to talk about at interview. Which is better depends on what you want next, not on the size of the logo.

Where this varies

The experience differs sharply by sector. In aerospace, defence, nuclear and automotive you'll usually find a formal scheme with an assigned project, a mentor, an intern cohort and an end-of-placement presentation - plus heavy documentation, configuration control and possibly security clearance requirements. In building services and civil-adjacent consultancies, the work leans towards HVAC, pipework and plant sizing, calculation sheets and Revit rather than product CAD, and you may visit sites. In small manufacturers and SMEs there's often no formal programme at all: you're simply given work, which can mean far more responsibility or, occasionally, poorly planned tasks - ask at interview what you'd actually be doing. Research placements in a university lab are different again, closer to experimental work and literature review than to industry practice. Geographically, opportunities cluster around aerospace and advanced manufacturing in the South West, the Midlands and the North West, automotive in the Midlands, offshore and energy in Scotland and the North East, so you may need to be willing to move or commute for the summer.

See all 6 live Summer Mechanical Engineer 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.