Security Consultant

Join Tetra Tech's specialist security team and work at the forefront of complex, high-profile built environment projects across the UK. This is an opportunity to lead, innovate, and deliver impactful security solutions alongside industry-recognised experts.

Purpose & Scope of the Role

As a Security Consultant, you will lead the delivery of complex, multi-disciplinary security projects, shaping strategic outcomes for a diverse client base. You will oversee resource planning, support operational delivery across the security workstream, and act as a senior escalation point for both clients and internal teams. The role combines technical leadership, team development, and client engagement, ensuring high-quality, compliant, and innovative security solutions aligned with industry standards and project requirements.

Your Impact in this Position

You will drive excellence in security risk management and design, influencing project direction from concept through to delivery. By mentoring consultants, strengthening client relationships, and maintaining awareness of evolving threats and technologies, you will play a key role in advancing both project outcomes and the wider security capability within Tetra Tech.

Leadership & Team Development

Line manage and mentor consultants, supporting professional growth and provide technical oversight and ensure quality across deliverables

Project & Programme Delivery

Lead complex, multi-disciplinary security projects and manage resource forecasting, prioritisation, and delivery timelines

Client & Stakeholder Engagement

Act as a senior escalation point for clients and develop strong relationships and contribute to business growth

Security Risk & Technical Expertise

Deliver risk assessments aligned to ISO 31000. Produce technical reports, specifications, and security strategies and apply knowledge of physical, electronic, and operational security

Operational & Industry Awareness

Coordinate with national technical authorities and maintain awareness of evolving threats, standards, and innovations

Skills, Qualifications & Experience

Degree-qualified in security or a related discipline, with chartered status (or working towards). Proven experience in security risk management within the built environment and delivering projects in a multi-disciplinary consultancy. Strong knowledge of industry standards (e.g. Secured by Design, RIBA stages) and excellent communication skills. Eligible for BPSS, SC, and DV clearance, and a sole UK national.

This role offers a hybrid working model, with up to three days per week in the office or on client sites. You will collaborate with teams across the UK, with occasional travel required. Flexible working arrangements are supported to promote work-life balance.

Why Join 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 are 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