Join Tetra Tech''s expanding Fire Safety team and apply cutting-edge engineering to projects that protect people and infrastructure. If you''re a meticulous, proactive fire safety engineer who thrives in technical, multidisciplinary teams and wants meaningful career progression, this role is for you. Purpose and Scope of the Role As Senior/Principal Fire Safety Engineer you will deliver fire engineering services across public and private sector projects in the UK and internationally. You''ll apply fire engineering principles to building design, undertake technical delivery and compliance checks (Approved Document B, BS 9999 and fire engineering approaches), review designs and drawings, attend site and design-team meetings, and contribute to winning and delivering projects with a fire safety component. Your Impact in this position You will shape safe, pragmatic fire solutions across commercial, residential, education, healthcare and defence sectors. Your technical decisions will influence design teams and client outcomes, reduce risk, and support project delivery. You''ll also provide technical guidance that raises team capability and ensures consistent, high-quality engineering outputs. Core Capabilities Technical Delivery: Lead complex fire engineering analyses, apply fire dynamics, and produce robust, defendable design solutions. Design Review and Compliance: Conduct detailed drawing and specification checks for regulatory compliance and engineered solutions. Modelling ..... full job details .....