{ “@context”: “http://schema.org”, “@type”: “JobPosting”, “title”: “Principal Engineer”, “description”: “
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.
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 such as circuit breakers, disconnectors, earth switches, instrument transformers, for air‑insulated and gas‑insulated switchgear.
- Review Original Equipment Supplier (OEM) quotations and documentation to ensure compliance and integrate these into the overall designs. Prepare client drawings using AutoCAD of detailed design aspects, such as layout and elevations, earthing, mechanical interlocking schemes in line with client 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 quality‑checking to ensure high standards are maintained.
- Provide technical support during construction and commissioning including formal response to site technical queries, e.g., preparation of mods for design modification to rectify design error or any other reason that necessitates amending the design to fulfil 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, giving mentoring where required.
- Work closely with Senior Engineers, other Principal Engineers and Engineering Managers to support tenders, drive innovation and produce cost‑effective integrated substation solutions.
- Work closely with Operations and Site Management teams to produce construction methodologies, Impressed Voltage (IV) management plans and CDM drawings to support tenders.
- Develop knowledge of National Grid Specifications with the view to applying for National Grid TP137 Contractor Design Approval Engineer as and when required.
Qualifications
- HV Electrical Plant layout design experience – at least 5–7 years.
- Knowledge of the working principals of different types of electrical plant and instrument transformers.
- Understanding of protection and control interfaces for AIS and GIS substations.
- Familiarity with National Grid technical specification for substation design.
- Efficient in Revit, Navisworks (or other relevant 3D systems) and AutoCAD for making 3D models and 2D drawings.
- Knowledge of National Grid Technical Specifications.
Benefits
- 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.
Murphy is unable to employ anyone who does not have the legal right to live and work in the UK.
#J-18808-Ljbffr”, “datePosted”: “2026-05-15”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Murphy”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__432624599__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }Company: Murphy
Location: London
Job Description:
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.
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 such as circuit breakers, disconnectors, earth switches, instrument transformers, for air‑insulated and gas‑insulated switchgear.
- Review Original Equipment Supplier (OEM) quotations and documentation to ensure compliance and integrate these into the overall designs. Prepare client drawings using AutoCAD of detailed design aspects, such as layout and elevations, earthing, mechanical interlocking schemes in line with client 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 quality‑checking to ensure high standards are maintained.
- Provide technical support during construction and commissioning including formal response to site technical queries, e.g., preparation of mods for design modification to rectify design error or any other reason that necessitates amending the design to fulfil 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, giving mentoring where required.
- Work closely with Senior Engineers, other Principal Engineers and Engineering Managers to support tenders, drive innovation and produce cost‑effective integrated substation solutions.
- Work closely with Operations and Site Management teams to produce construction methodologies, Impressed Voltage (IV) management plans and CDM drawings to support tenders.
- Develop knowledge of National Grid Specifications with the view to applying for National Grid TP137 Contractor Design Approval Engineer as and when required.
Qualifications
- HV Electrical Plant layout design experience – at least 5–7 years.
- Knowledge of the working principals of different types of electrical plant and instrument transformers.
- Understanding of protection and control interfaces for AIS and GIS substations.
- Familiarity with National Grid technical specification for substation design.
- Efficient in Revit, Navisworks (or other relevant 3D systems) and AutoCAD for making 3D models and 2D drawings.
- Knowledge of National Grid Technical Specifications.
Benefits
- 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.
Murphy is unable to employ anyone who does not have the legal right to live and work in the UK.
#J-18808-Ljbffr…
Posted: May 15th, 2026