About Ethos Ethos is a collaborative team of engineers, consultants, and creative thinkers designing and delivering data centre and energy infrastructure across the world's most dynamic markets. As a multidisciplinary consultancy, we combine technical expertise, creativity, and integrated delivery to lead complex, mission-critical projects. Built on strong relationships, clear leadership, and a can-do mindset, Ethos is entering an exciting phase of growth, expanding our capabilities and taking on increasingly high-impact projects across EMEA and beyond. Sustainability guides how we design, collaborate, and deliver, creating innovative solutions and lasting value for our clients and communities — making Performance Made Possible. About Hanley Pepper Hanley Pepper has been serving the industry for close to 40 years, successfully completing over 2,000 national and international projects. We deliver Civil & Structural Engineering with a client-focused service based on quality and aesthetic solutions. Our reputation is built on a proactive approach to project delivery and to solving the challenges faced by design teams and general contractors. We are also Irish representatives within MERGE, a European network of established and experienced consulting engineers, offering engineering design and advisory services across borders. Ethos acquired Hanley Pepper in 2026 to allow for the provision of civil and structural expertise. As part of our strategy for continued growth, Ethos and Hanley Pepper are now recruiting for global expansion. About the Job This is a full-time, Dublin-based hybrid role, with three days per week in the office. As Senior Project Engineer – Civil / Infrastructure, you will lead coordinated civil engineering delivery across substantial or complex project packages. This is an engineering management and delivery leadership role: you will lead projects, manage client and architect relationships, attend meetings and carry out design calculations, while remaining accountable for technical outcomes, programme commitments, quality and effective delivery through others within an agreed project scope. The role supports a portfolio of complex buildings and infrastructure projects, including data centres. Reporting to senior management, you will lead complex packages and coordinated workstreams involving multiple contributors, with a direct effect on delivery quality, programme, technical risk and team performance. You will make material technical and delivery decisions within delegated authority, escalating strategic or commercial commitments, while building team capability, improving methods and supporting reliable delivery across projects. Responsibilities: • Lead planning and delivery of complex civil design packages across 2–3 projects at once, coordinating priorities, resources and interfaces with other disciplines. • Direct and review work undertaken by engineers and technicians, ensuring appropriate checking, technical quality and timely issue of deliverables. • Carry out design calculations to deliver the civil aspects of projects, applying detailed knowledge of storm water management and SUDS requirements, which is critical to the design, including hydrology design using Causeway Flow or equivalent. • Apply good knowledge of geotechnical requirements, calculate mass haul requirements using CADS 3D software and apply a general understanding of topography. • Resolve complex design and coordination challenges, exercise independent technical judgement within delegated authority and escalate material risks or decisions. • Manage delivery against agreed scope, programme and quality expectations, identifying emerging changes and supporting commercial awareness and change control. • Manage client and architect relationships and engage with design partners and project stakeholders on technical and delivery matters, attending meetings, presenting updates and deliverables and communicating decisions and actions clearly. • Report on project progress to management. • Visit sites throughout Europe and monitor progress and quality of works. • Apply proficiency in Autodesk Civil 3D to develop, modify and manage civil engineering design models, drawings and documentation in accordance with project specifications and industry standards. • Coach developing engineers, share good practice and contribute to consistent technical and digital delivery standards. • Champion safe design, regulatory compliance and robust quality assurance processes. About You • A Chartered civil engineer with substantial design-delivery experience, ready to lead coordinated delivery across complex project packages. • An accountable delivery lead who exercises independent judgement, manages technical risk and delivers through others. • A confident communicator who manages client and architect relationships, engages design partners and stakeholders and supports the development of engineers and technicians. • Based in Dublin and able to work in the office three days per week, or willing to relocate to Dublin. • Holds unrestricted travel rights within the Schengen area. Experience & Qualifications • Bachelor’s degree in Civil Engineering or a related field, or equivalent relevant professional qualification. • Chartered Engineer status (Engineers Ireland, ICE or equivalent) is required. • At least 7 years’ experience in designing and delivering civil aspects of engineering projects. • Irish or UK project experience, with knowledge of local standards and practices. • Demonstrated accountability for coordinating and delivering complex design packages, including work delivered through others. • Experience guiding engineers or technicians, planning work and resolving delivery constraints. • Experience on data centre projects is a plus; experience on complex buildings or infrastructure projects is an acceptable alternative. • Experience in international projects is a plus. Technical Skills • Proficient in Civil Engineering Design and Civil Engineering fundamentals. • Good all-round knowledge of civil design and experience in varied aspects of Civil Engineering, including drainage (including storm water management and SUDS), earthworks, pavement/road design, road alignment, retaining structures and geotechnical aspects. • Strong working knowledge of applicable design codes, quality assurance and multidisciplinary coordination. • Management of technical risk. • Knowledge of Eurocodes and their European national annexes is advantageous. • Essential software: Civil 3D (site, road and drainage design); Causeway Flow for drainage network design, or equivalent (e.g. InfoDrainage, MicroDrainage); CADS 3D (mass haul calculations); Bluebeam Revu (drawing review and markups); Microsoft 365. • Desirable software: AutoCAD, Revit, Navisworks (model coordination). Soft Skills • Independent judgement. • Strong project management and problem-solving skills. • Excellent communication and teamwork abilities, including effective client and project communication. Why Join Us? • Join collaborative leaders – Work alongside experienced, approachable professionals who combine technical excellence with calm, supportive leadership. • Make a real impact – Contribute to mission-critical infrastructure projects that support the digital and energy transition across EMEA and beyond. • Grow with us – As a rapidly growing consultancy, we offer opportunities to develop your skills, broaden your experience, and build your career. • Shape a more sustainable future – Sustainability isn't an initiative—it's embedded in every project, every discipline, and every decision we make. We offer: • Flexible Fridays and a 9-day fortnight working schedule — enjoy every second Friday off to maintain work–life balance. • A culture that values flexibility, learning, and teamwork, with clear progression pathways and support toward professional accreditation. • Opportunities to work alongside some of the most experienced engineers in the industry, within a forward-thinking, technology-driven consultancy. Benefits: • Flexible working times • 20 Days holidays up to 25 days • Pension Scheme • Refer a Friend scheme • Healthcare check-ups and flu vaccinations • Gym / Fitness membership Allowance • Subsidised Health Insurance Allowance • Working travel out-of-pocket expenses • Travel tax scheme or bike-to-work scheme • Regular training/mentoring / further college support • Support for Chartership • A Professional Subscription Fee paid by the company • Paid Statutory Leaves • Heavily subsidised social committee Recruitment Agencies: Please do not reply to this job advert. Should Ethos require assistance with this posting you will be contacted by our Talent Acquisition Team.