John Sisk & Son have been building excellence as a family-owned international construction company by offering trust, certainty and value to our clients whilst being at the heart of change. The Senior Design Engineer plays a key role within the Engineering Services team, providing technical expertise, design oversight and engineering support on multi-disciplinary construction projects. Reporting to the Design Engineer Lead, the Senior Design Engineer ensures high-quality technical solutions are delivered while supporting junior engineers and contributing to continuous improvement initiatives. This role requires strong engineering judgement, technical leadership and excellent collaboration skills across design, project and construction teams. Design & Technical Expertise Lead the development of detailed engineering designs, specifications and technical solutions for building envelope and related systems. Review and validate design inputs from junior engineers, consultants and sub-contractors to ensure compliance with project and regulatory requirements. Provide technical support to project teams to resolve complex design challenges and optimise constructability. Produce technical reports, calculations and documentation to support design and compliance requirements. Project Delivery & Coordination Collaborate with project teams, including site management, contractors and consultants, to ensure smooth delivery of design intent. Attend design meetings and workshops, providing technical input and guidance. Ensure integration of design solutions with BIM processes and digital workflows, supporting the wider Digital Project Delivery (DPD) strategy. Monitor project design milestones and deliverables to ensure timelines and quality standards are met. Process Improvement & Quality Assurance Support the implementation of engineering standards, protocols and design procedures within the team. Identify areas for process improvement and provide recommendations to improve efficiency, accuracy and quality. Conduct technical reviews and audits to ensure compliance with company standards, client requirements and regulatory obligations. Mentoring & Team Support Provide mentorship and technical guidance to junior engineers and design staff. Support training and development initiatives within the Engineering Services team. Encourage knowledge sharing and dissemination of best practices across projects. Essential Proven experience in structural or building envelope engineering on complex construction projects. Technical knowledge of façade systems, roofing, glazing, cladding and associated engineering principles. Experience in using BIM for design coordination, clash detection and design validation. Demonstrable ability to lead design tasks and provide technical guidance to junior team members. Desirable Excellent problem-solving, prioritisation and project management skills. Strong communication and interpersonal skills, capable of liaising effectively with multidisciplinary teams and clients. Essential Degree in Civil, Structural, Architectural or Building Services Engineering or equivalent. Proficiency in BIM and digital design software (Autodesk Revit, Navisworks, AutoCAD or similar). Professional engineering accreditation (e.g., MICE, RIBA or equivalent) desirable. Desirable CPD in digital construction tools, BIM and building envelope technologies advantageous. Competitive salary 26 days annual leave plus additional company days Pension and benefits Unlimited learning and development opportunities Much more Our People and Recruitment Commitment At Sisk Group our people are at the heart of our success. We offer the chance to work with purpose, build a career with no limits and be part of a great team. All vacancies are managed directly by our Internal Recruitment Team. Unsolicited contact or speculative CVs from unapproved agencies will not be accepted and no introductory fees will apply. We are an equal opportunities employer. We welcome applications from all qualified candidates regardless of gender, race, ethnicity, disability, age, sexual orientation, religion or any other protected characteristic. Reasonable adjustments are available during the recruitment process We know the confidence gap and imposter phenomenon can stop talented candidates applying. You do not need to meet every criterion - your skills and potential matter. Don’t hold back we want to hear from you All recruitment materials comply with legal and regulatory requirements including the EU Pay Transparency Directive and the Equality Acts UK and Ireland