Principal Engineer

Murphy is a leading international, specialist engineering and construction company founded in 1951 with a purpose to improve life by delivering world-class infrastructure. Operating in the United Kingdom, Ireland, Canada and America, Murphy provides better engineered solutions to infrastructure sectors including transportation; natural resources; energy and water. 

Headquartered in London, Murphy has a number of related businesses – Ground Engineering; Utility Connections; Murphy Plant; Murphy Process Engineering; Pipeline Testing Services; Specialist Welding Services; and Electrical Services. Murphy is a specialist in delivering pipelines, design, structural steel, tunnelling, fabrication, bridges and piling, and has a substantial holding of plant, equipment and facilities.

Murphy employs around 4,000 engineers, professional managers and skilled operatives around the world. Together, they work as ‘One Murphy’ - directly delivering the people, plant and expertise needed to make projects a success. Visit (url removed) or follow us on LinkedIn, Facebook, Instagram and X:

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A day in the life of a Murphy Principal Tunnelling Engineer:

Agree technical requirements with client, ensuring it is fully understood, questioning and challenging where necessary.
Support development of shaft sinking, portal and tunnelling constructability input at tender
Consider client constraints and requirements in development of solutions and methods
Support Identification of options, consider and propose preferred solutions based on multi-factor evaluation to support work winning pursuits
Liaise with Specialists particularly geotechnical and material to confirm methods and equipment selection is appropriate for the specific ground conditions
Identify temporary work requirements required for identified options
Liaise with temporary works coordinator, produce briefs
Liaise with specialist tunnelling suppliers and procurement
Liaise with planning and estimating functions during tender and 1st stage phases of project
Author and support development of technical responses for PQQ and tender submissions
Identify risks and opportunities and ensure they are logged, developed and included in optioneering and construction phases
Identify and assess the technical opportunities for value engineering.
Prepare conceptual designs with a view to the preparation of safe, practical and economic designs in accordance with current legislation.
Prepare detailed designs in accordance with current standards and codes including calculations, design risk assessments and sufficiently detailed sketches for the preparation of working drawings.
Provide a technical assessment and review of 3rd Party designs, ensuring compliance with the brief to meet client and Murphy requirements.
Provide advice and guidance on design issues.  

Still interested, does this sound like you:

Tunnelling project construction experience
Previous experience of working in a design office for either a consultant, contractor or specialist temporary works supplier
Knowledge of the design and checking process relating to Category 1, 2 and 3 design checks in accordance with BS5975.
A knowledge of permanent works design and construction methods (desirable)
Experience of some, but not all, of the following is desirable:
Design and/or checking of: Formwork, Falsework, Scaffolding, Needling, Propping, Site hoardings, Haul roads, Tower crane bases, Mobile crane outrigger foundations, Working platforms for piling rigs and other forms of tracked plant, Excavation support and slope stability (timber and proprietary equipment), Lifting / Jacking / Sliding
IEng/CEng – Desirable but not essential