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Murphy is recruiting for a Principal Engineer to work with Murphy Applied Engineering
This role can be based out of our Cannock, Kentish Town, London or Stone Cross, Manchester offices.
Our engineering teams represent a multi-disciplined range of engineering skills, adding value across all our sectors, and pushing the boundaries of digital construction, engineering innovation and design to deliver intelligent, sustainable and economical engineering solutions.
Under the banner of Murphy Applied Engineering, our in-house teams include civil, structural, mechanical, geotechnical and process engineers. They design both permanent and temporary works for projects in all our locations and are a trusted source of expert advice for both Murphy colleagues and external customers.
A day in the life of a Murphy Principal Engineer
- Work with the Engineering Manager (HV Plant) to prepare 3D models, of substation HV plant layouts for new build and extensions of electrical substations up to 400kV.
- Prepare technical specifications for electrical plant items like circuit breaker, disconnector, earth switches, instrument transformers, for Air Insulated and Gas Insulated switchgear.
- Review Original Equipment Supplier (OEM) quotations and documentation to ensure compliance and to integrate these into the overall designs. Prepare client drawings, using AutoCAD of detailed design aspects, such as layout and elevations, earthing, mechanical interlocking schemes as requirements in line client’s technical specification.
- Work with Senior Design Engineers and CAD operators to prepare Design Packages for final checking before Client review and issue for construction purposes, undertaking checking to ensure quality and high standards are maintained.
- Provide technical support during construction & commissioning including formal response to site technical queries, i.e., preparation of mods for design modification to rectify design error or any other reason that compels to amend the design to fulfil the functional requirements.
- Work closely with other sections of substation engineering design team to enable effective collaboration on multi-disciplinary projects and facilitate an optimal engineering function.
- Establish and promote best practice in health, safety and environmental matters in conjunction with the SHQE department.
- Provide supervision of assistant engineers, apprentice engineers or CAD operators, providing mentoring, where required.
- Work closely with Senior Engineers, other Principal Engineers and Engineering Managers to support tenders, drive innovation and produce cost effective integrated substations solutions.
- Work closely with Operations and Site Management teams to produce construction methodologies, Impressed Voltage (IV) management plans and CDM drawings to support tenders.
- To develop knowledge of National Grid Specifications with the view to applying for National Grid TP137 Contractor Design Approval Engineer as and when required.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Still interested, does this sound like you?
- HV Electrical Plant layout designs Experience – At least 5-7 Years.
- Should know the working principal of different types of Electrical Plant and instruments transformers.
- Understanding of protection and control interfaces for AIS and GIS substations.
- Familiar with National Grid technical specification for substation design.
- Efficient in Revit, Navisworks (or other relevant 3D systems) and AutoCAD software application for making 3D models and 2D drawings.
- Knowledge of National Grid Technical Specifications


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What’s in it for you?
- 27 days holiday, plus bank holidays with the option to buy an additional 2 days holiday each year, holidays increase with length of service
- Discretionary annual bonus and annual salary review
- Above market rate contributory pension scheme
- Life assurance, health screening and enhanced sick pay
- Enhanced maternity and paternity pay and a maternity returners bonus
- Extra weeks holiday for all employees getting married and a wedding bonus
- Subsidised canteen facilities in core locations
- Dedicated and continued investment in your professional development
- Other Murphy benefits include retail discounts and cashback, discounted gym memberships, cycle to work scheme etc
About Murphy
Murphy is formally recognised as a sector leading employer, Platinum Investors In People accredited along with reported operating profit up 57% on prior year. At Murphy, we are incredibly proud of our diverse workforce. Not only do our people represent over 60 different nationalities, but they also represent a wide range of backgrounds, ethnicities and ages. With a forward order book of £5.8b and £39m Invested in environmentally friendly plant there really is #MoretoMurphy
If you are unable to apply via the usual process, please call Colin Shaw on 07353 134 836 to discuss in more detail.
Murphy is unable to employ anyone who does not have the legal right to live and work in the UK
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