Company: Omexom UK
Location: Scotland
Posted: April 17th, 2026
Principal Design Engineer - Primary
Reporting to: Principal Design Engineer/Head of Design.
The Principal Design Engineer will be responsible for managing and leading projects. A thorough understanding of managing project delivery to quality, cost and programme deliverables.
Manage and deliver single- and/or multi-disciplinary projects to cost, schedule and quality criteria.
Lead aspects of infrastructure design, work as lead designer on a range of project sizes, appropriate to their experience.
The Principal Design Engineer is a key member of the Design Management team. You will assist the Design Manager to ensure technical compliance, quality, and successful delivery of a portfolio of design projects
Generating Primary designs and working with other Omexom Engineers in converting these designs into working drawings as part of a wider design team. Have significant knowledge and experience of legislation required in this industry and implement it as required.
Works to own initiative and will be required to supervise design and graduate engineers and trainees. The principal design engineer will provide appropriate levels of Primary design to a range of different Primary elements as required by the BUGM and their reports.
Possesses an advanced level of skill and understanding and is able to perform all parts of the task satisfactorily and make judgements and decisions correctly in a variety of situations. Can check work at the highest level.
To be responsible for input into IET/ IMechE training scheme as required and to support graduates.
Will contribute to the development and mentoring a range of staff grads ranging from graduates through to principal designers.
Including but not limited to the following:
Day to day management of a design team
Undertake checking of design deliverables.
The review and cascading of current industry standards.
The Safety, Health and Environmental awareness of all design staff.
The quality of ALL design submissions.
Discharging the responsibilities of the Designer under the 2015 CDM regulations including the principles of prevention.
The promotion and enforcement of company procedures to design staff.
The review of method statements/risk assessments
The development and implementation of new industry software where applicable.
Ensure design deliverables are met and to report on performance to the Head of design or their associates.
Promote safe by design principles, consider sustainability and low carbon options.
Responsible and to lead detailed design and calculations in accordance with the relevant standards and procedures, under the direction of the head of design or their associates.
May assume the role of Lead Design Engineer on large or complex projects as well as smaller projects as required.
Assist the Design Manager with appointing and provide training where necessary and manage design staff in an efficient manner.
Business development with DNOs and TSOs, including prospecting, tendering and delivering design services.
Assist with the production of design tools and production and review of internal procedures.
Excellent level of understanding of relevant British Standards and Eurocodes with regard to Primary, design and specification.
Work closely with other members of the design team to deliver safe, efficient and buildable solutions.
Collaborate with engineers and technicians from other disciplines, including external consultants where necessary.
Coordinate with site construction teams, principal designers (2015 CDM) and temporary works coordinators and support constructability reviews.
Support tender and tender preparation for projects of all varying sizes including fee estimates.
Provide support to CAD staff and trainees in their professional development.
Ensure thorough checking and accuracy of deliverables.
Manage and keep records in accordance with company QA procedures.
Have responsibility for maintaining calculation and drawing records.
Participate in lessons Learnt and knowledge share workshops and share across the organisation and design team.
Attend in-house design courses and seminars and feedback to the rest of the department if required.
Keep up to date with IET /IMechE CPD requirements.
Report to management team as required.
Excellent team ethic, and ability to work extended hours on occasions when required.
Represent Omexom – Design in external project technical meetings if required.
Represent Omexom – Design in external events and site visits if required.
Develop positive relationships with customers through good professional conduct.
Review specialist subcontractors/suppliers production calculations and drawings for technical compliance with design intent.
Ability to work accurately and methodically under pressure and strict deadlines, including the ability to juggle multiple tasks.
Excellent time and cost management skills to ensure cost effective and accurate delivery.
Effectively manage own time, and others within small teams across multiple projects and prioritise workload.
Good communication style and interpersonal skills.
Ability to work accurately and methodically under pressure and to strict deadlines, including the ability to manage multiple tasks.
Ability to work well within a team of other professionals in delivering designs to satisfy the agreed brief. (e.g: Primary Engineers, OHL, Kelvin Power, Temp works designers)
Strong communication style and interpersonal skills, with the ability to influence and negotiate internally and within a team.
Supervision, technical mentoring and staff development skills.
Complete Codex timesheets accurately and in good time, ensure your team are also completing the timesheets accurately.
Keep an excellent team ethic with the ability to work extended hours on occasions when required.
Achieve a firm level 3 competency and have met several attributes at level of 4 Competency Matrix “Expert level of skill and understanding. Is able and willing to take initiative and develop new processes and efficiencies. Can check work.”
Relationships with key stakeholders:
Business Unit General Managers
Finance Business Partner
Design Delivery Manager
Design Engineers (Graduate, Design, Senior, Lead designer, Principal)
Engineering Manager
Temporary Works designers and Coordinators.
Client Representatives
Project Managers
Site Manager.
Estimating and Planning Engineers
External stakeholders, e.g. client, authorities
The jobholder shall hold a degree in Electrical Engineering, or a holder of degrees suitable to be either an Engineering Council (EngC) Incorporated Engineer (I.Eng) or Chartered Engineer (C.Eng) with one of the relevant Professional Engineering Institutions (PEI’s) such as Institution of Civil Engineers, Institution of Engineering and Technology, Institution of Mechanical Engineers. … and possess:
Mandatory Omexom training courses.
Must have a detailed understanding of the latest OHL design practices, standards and analysis software systems.
Preferable BSc/BEng in Electrical Engineering with 7-10 Years OHL design and construction industry experience
Full Uk Driving Licence.
6-10 years experience on significant value schemes as a designer.
Principal Designer experience
Principal Design Engineer to be minimum Incorporated Engineer (I.Eng with the IMechE or IET), but the preference for a Principal engineer would be fully chartered. (C.Eng).
Attend National Grid Persons Course
CSCS card as Academically qualified person (AQP) / Safety Passport or equivalent
Required skills, knowledge, and abilities:
Working knowledge and experience of the 2015 CDM Regulations including Principal Designer requirements and namely Regulations 8 and 9.
Discharge the responsibilities of Designer under the 2015 CDM Regulations, and ensure a comprehensive Designers Risk Assessment undertaken for all Projects.
Promote and enforcement of company procedures to Design staff.
Knowledge of current UK technical standards and legislation requirements.
Knowledge and understanding of typical construction materials used in the UK such as timber, concrete, reinforced concrete and its limitations.
An eye for detail when undertaking specific tasks, and the effect of their use/implementation to the wider project. Is the design suitable and constructable?
High level of proficiency of Microsoft office software.
To engage and use various design software programs such as AutoCAD, Revit. To have an excellent level of understanding.
A good working understanding of document control processes and be familiar with ISO 19650 for BIM.
High Level proficiency in the use of AutoCad 2D and 3D
A good knowledge in the production and review of technical specifications.
Proven track record of project delivery and client satisfaction.
Experienced and competent in leading varying sizes of project teams.
Full understanding and delivery of assurance/sign off requirements.
Technically competent in all aspects of Infrastructure design and co-ordination.
Ability to produce CDM as-builts and input and produce the health and safety file, where appropriate.
Support design delivery manager and from time to time undertake this role as required.
Good communication skills.
Awareness of own limits and ability to embrace change.
Flexible and open minded.
Ability to manage and accurately control and record change with the ability to coordinate and design change control and notify with early warnings.
Report on cost of poor quality, through NCR’s and change records.
Reliable team leader that strives for continual improvement.
A high level of attention to detail.
Undertake Design Project peer reviews.
Provide technical support to the construction team.
Omexom employees are required to abide by the Company SHEQ policies at all times. These policies are available on the Company’s Integrated Management System (IMS). Employee’s shall ensure they review any updates to these policies and behave accordingly.
In line with Omexom’s values, the jobholder must have the following qualities:
Team Spirit & Generosity – able to work effectively within and contribute to the Omexom team to deliver results, provide support and drive performance.
Trust and Empowerment – enjoy managing their responsibilities and time to ensure work is completed efficiently and professionally.
Integrity and Responsibility – enjoy taking responsibility for their duties and managing these effectively to ensure efficient high quality results.
Innovation & Entrepreneurship – continually strive to improve processes and introduce new initiatives to improve efficiency.
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