Senior / Principal EcologistLocation:Ireland | Discipline:Environmental Planning & SustainabilityWork Model:Hybrid | Seniority Level:Senior / Principal | Full-Time Lead the Future of Sustainable InfrastructureAtAyesa, we design and deliver complex infrastructure solutions that respect, protect, and enhance the natural environment. We are seeking an experiencedSenior or Principal Ecologistto play a key role in the delivery of environmental services across a diverse portfolio of infrastructure and utility projects.This is a rare opportunity to help shape the future of infrastructure in Ireland—supporting national development goals while protecting ecologically sensitive areas. If you're an ambitious ecologist ready to take the next step, lead teams, and influence major public infrastructure projects, we want to hear from you. What You'll Do Project & Technical Leadership• Deliver and oversee ecological services includingEcIA, NIS, EIA, andplanning application support• Manage end-to-end environmental inputs forinfrastructure projects, from feasibility through to construction• Coordinatebaseline studies, constraints mapping, andimpact assessments• Author and reviewNatura Impact Statements (NIS)andEnvironmental Impact Assessment Reports (EIARs)• Designpractical, achievable mitigation measuresto reduce environmental risks Team & Client Management• Lead and mentor ecology teams and sub-consultants• Support and develop junior team members, promoting a culture of professional growth• Ensure deliverables meet high-quality standards within deadlines and budgets• Build and manage strong relationships with clients and stakeholders includingIrish Water,OPW, and regulatory agencies Strategic Development• Contribute to business development throughtender submissions, pricing, and estimating• Champion best practices inecology, planning, and environmental legislation• Ensure KPI tracking, quality assurance, and compliance across project life cycles What You Bring Qualifications & Credentials• Honours Degree inEnvironmental Science,Ecology, or related field (Level 8 minimum; Level 9 preferred)• Minimum10 years' post-graduate experience, with at least5 years in consultancy•Chartered status(e.g., CIWEM or equivalent) is highly desirable• FullClass B driving licencerequired Skills & Experience• Proven record in managingenvironmental inputsto public infrastructure projects in Ireland• Expertise inflood defenceandwater infrastructureschemes highly desirable• Strong working knowledge ofIrish and European environmental and planning legislation• Experience withGIS toolsanddata managementin ecological assessments• Confident inclient liaison, regulatory interaction, and stakeholder engagement• Familiarity with contract types includingFIDICandPublic Works ContractsWhat's in It for You Competitive Salary & Performance-Based Bonuses Hybrid Work Model (2–3 days from home) Flexible Hours 37.5 per week (Core: 10am–4pm Mon–Thu, 10am–3pm Fri) Pension Matching & Financial Planning Support Income Protection & Life Assurance Professional Development and Chartership Support Employee Assistance Programme (EAP) Sustainability & Innovation-Focused Culture Socials, Recognition Awards & Wellbeing Initiatives Generous Annual Leave with Additional Days Based on ServiceWe're Inclusive by DesignAyesa is proud to be an equal opportunity employer. We value and celebrate diversity in all its forms, including but not limited to age, disability, gender identity, race, religion or belief, sex, sexual orientation, and socio-economic background or neurodiversity. We believe that a diverse workforce fosters innovation and stronger outcomes. We are committed to inclusive hiring practices, providing reasonable adjustments for applicants and employees with disabilities, and ensuring equal access to opportunities for learning, development, and progression across our organisation.