CDM/H&S Advisor

Help shape safer, smarter construction projects across some of Northern Ireland’s most high‑profile developments. Join Tetra Tech’s Belfast team and play a key role in delivering complex projects valued up to £100m across sectors including Healthcare, Education, Infrastructure, Defence, Commercial and Government. Working alongside multidisciplinary experts, you’ll influence project outcomes from concept through to completion while benefiting from outstanding professional development and support from industry‑leading specialists.

Purpose & Scope of the Role

As a Principal Designer / CDM Consultant you will be a key member of Tetra Tech’s Safety Management Team, delivering CDM and health & safety advisory services across a diverse portfolio of construction projects. Acting as Principal Designer, Principal Designer Support and Client CDM Adviser, you will help clients and project teams embed health and safety into design, planning and delivery, ensuring compliance with CDM Regulations 2015 and CDM NI 2016.

Your Impact in this Position

You will work closely with clients, designers, contractors and project stakeholders to identify risks early, influence design decisions and drive best practice throughout the project lifecycle. Your expertise will help create safer working environments, support successful project delivery and strengthen Tetra Tech’s reputation for technical excellence and trusted advice.

Core Capabilities

• Principal Designer & CDM Leadership: Lead and deliver Principal Designer duties in accordance with CDM 2015 and CDM NI 2016. Provide expert CDM advice to clients and project teams throughout the design and construction process. Support the successful management of design risk on complex projects.
• Construction Health & Safety Expertise: Deliver practical health and safety advice across a wide range of construction environments. Undertake site inspections, audits and reviews, providing clear recommendations and guidance. Promote continuous improvement in health and safety performance.
• Stakeholder Engagement: Build strong relationships with clients, designers, contractors and senior stakeholders. Confidently challenge designs, methodologies and working practices where required. Facilitate collaborative solutions to complex health and safety challenges.
• Technical Knowledge & Compliance: Apply strong knowledge of construction health and safety legislation and best practice. Interpret and communicate regulatory requirements effectively. Ensure projects remain compliant while supporting efficient delivery.
• Professional Delivery & Self‑Management: Manage multiple projects and priorities effectively. Work independently while contributing to a collaborative team environment. Deliver high‑quality outputs with strong attention to detail and professionalism.

Training, Qualifications & Experience

Experience as a Principal Designer and Client CDM Adviser is essential, alongside proven construction health and safety advisory experience. You will hold a NEBOSH qualification (or equivalent), maintain relevant professional membership(s) such as IOSH and APS, and demonstrate ongoing CPD. A full UK driving licence is required.

Working Environment

This role is based in Belfast with a combination of office, site and client‑facing work. Travel to project locations will be required. Tetra Tech supports flexible and hybrid working arrangements, offering a balance between office‑based collaboration and remote working where project requirements allow. Expected office attendance will be discussed during the recruitment process and aligned with business and project needs.

About Tetra Tech

Tetra Tech is a leading provider of consulting and engineering services working across the full project lifecycle worldwide. We have a wide range of expertise across our teams, providing a global support network with a personalised approach to client relationships to better understand where we can add value. We provide a collaborative environment that supports individual performance, innovation, and creativity. We support public and private sector clients on local, national and international projects to deliver sustainable and resilient solutions. Our operations in the UK, Ireland and the Netherlands include more than 6,000 employees who Leading with Science® to solve our clients’ most complex problems.

In alignment with the Equality Act 2010, we will make reasonable adjustments to support candidates and employees requiring additional arrangements. This could include adaptations to work schedules, training approaches or the physical workspace. Please inform us if you need any accommodations during the recruitment process or in your day‑to‑day role.

Additional Information

• Organization: 787 TTI

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