Air Quality Modelling Expert

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Additional Information

Ramboll is seeking an experienced Air Quality Modeling professional for a Senior Project Manager position. The ideal candidate is a technical leader with a proven track record of managing complex, multi-faceted air quality modeling projects, mentoring junior staff, and serving as a trusted advisor to clients and regulators alike. Essential Duties - Serve as technical lead and project manager on complex air quality dispersion modeling and environmental impact assessment projects using regulatory guideline models such as AERMOD, CALPUFF, and related tools. - Ensure project delivery excellence by managing project scope, schedule, budget, and quality to ensure on-time, on-budget delivery that meets or exceeds client expectations. - Provide solutions to compliance challenges and senior-level QA/QC review and technical oversight of modeling analyses, emission inventories, and permit applications prepared by project teams. - Act as client liaison, and support clients through the full project lifecycle, from pre-application strategy through permit issuance and compliance. - Lead regulatory interactions and serve as technical representative before national and state environmental authorities on behalf of clients. - Mentor and develop junior to mid-level staff; provide technical guidance, training, and career development support. - Contribute to business development through proposal writing, scope development, and strategic client engagement. - Work with leadership to integrate local teams into the global modeling practice. - Lead special projects and initiatives as directed by senior leadership. Required Skills and Experience - Demonstrated project management ability, including scope, budget, schedule, and team coordination across multiple simultaneous projects and evolving project requirements. - Exceptional oral and written communication skills, including technical report authorship and presentations to clients and regulatory authorities. - Deep expertise in regulatory air dispersion models, particularly AERMOD and CALPUFF, including advanced configurations. - Extensive experience in utilizing AERMOD for regulatory applications in accordance with USEPA and/or US State/Regional Agency modeling guidelines. - Strong working knowledge of national and state air quality regulatory frameworks, regulatory processes, and emission standards for industrial sources. - Proficiency with scientific programming tools such as Python, R, or shell scripting for data processing, model automation, and analysis. - Attention to detail and experience managing and processing large meteorological and emissions datasets, including QA/QC, formatting, and statistical summarization. - Proficiency with geospatial platforms such as ArcGIS, Surfer, or equivalent. - Proven ability to build and sustain client and agency relationships. - Strong mentoring instincts and demonstrated experience developing technical staff. - Degree in Meteorology, Atmospheric Science, Environmental or Chemical Engineering, or related field required; ME/MTech or MS strongly preferred. - 10+ years of progressive experience in air quality consulting, dispersion modeling, and environmental permitting, including at least 3-4 years in a project management or lead technical role. Preferred Experience & Qualifications - Experience with dense gas dispersion models (e.g., PHAST, SAFETI, ALOHA, or CAMEO) for toxic or flammable release consequence modeling, or similar. - Background in air quality monitoring or industrial source characterization including stack testing, fugitive emissions estimation, or process engineering fundamentals. - Experience working in Linux-based Cloud computing workflow What we can offer you Investment in your development Leaders you can count on, guided by our Leadership Principles Be valued for the unique person you are. Never be short of inspiration from colleagues, clients, and projects. The long-term thinking of a foundation-owned company Work at the heart of sustainable change Ramboll is a global architecture, engineering, and consultancy company. We believe that the purpose of sustainable change is to create a thriving world for both nature and people. So, that's where we start - and how we work. At Ramboll, our core strength is our people, and our history is rooted in a clear vision of how a responsible company should act. Being open and curious is a cornerstone of our culture. We embrace an inclusive mindset that looks for fresh, diverse, and innovative perspectives. We respect, embrace, and invite diversity in all forms to actively cultivate an environment where everyone can flourish and realize their full potential. Equality, diversity, and inclusion are at the heart of what we do We believe in the strength of diversity and know that unique experiences and perspectives are vital for creating truly sustainable societies. Therefore, we are committed to providing an inclusive and supportive work

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