Principal, Air Quality

Ramboll is a leading engineering and consulting firm specializing in delivering innovative solutions to the data center sector. Our expertise spans design, construction, and operational consulting, ensuring mission‑critical facilities are optimized for performance, efficiency, and sustainability.

Job location: Seattle, WA or Portland, OR, USA

We invite you to bring your Air Quality and Business Development skills into play as you contribute to innovative and sustainable air quality solutions to help us grow our Pacific Northwest Air Quality business unit.

As the Air Quality Principal, you will provide technical and business leadership, contributing to innovative solutions across commercial, manufacturing, government, energy, financial, insurance, and law sectors. You will also generate and sustain business to support firm growth.

• Identifying and pursuing business development opportunities
• Managing projects, clients, and regulatory agency relations
• Critically reviewing and interpreting local, state, and federal environmental regulations, drafting regulatory applicability determinations, and communicating findings to co‑workers, clients, and regulatory agencies
• Overseeing the preparation of comprehensive federal and state air permit application materials
• Testifying at administrative and/or court hearings
• Participating in local, national and international scientific and trade group meetings
• Conducting site visits

• B.S./M.S./Ph.D. degree in Engineering, Environmental Sciences, or related discipline
• 15+ years of environmental consulting experience focused on air quality with a proven track record of business growth
• Demonstrated ability to understand, interpret, and apply environmental regulations to real‑world situations
• Deep understanding of air quality issues and agency‑approved methods and guidance
• Capability to externally manage client and regulatory agency relationships and internally manage staff and competing project priorities
• Proven business development capabilities

• Interesting and diverse projects
• Opportunity to work with top professionals in the field
• Generous paid time off
• Excellent health and retirement benefits
• Investment in your professional development
• Leadership that supports our core principles
• Recognition of your unique contributions
• Long‑term perspective of a foundation‑owned company
• Inspiration from colleagues, clients, and projects

The anticipated base salary range for this position is $165,000 - $190,000 per year, varying by location, skills, experience, education, and internal equity. Additional compensation may include bonuses, overtime, or other incentives. A comprehensive benefits package supports well‑being, professional development, and work‑life balance.

We are an equal‑employment‑opportunity employer committed to diversity and inclusion. All qualified applicants will receive consideration for employment without regard to age, disability, medical condition, gender identity, marital or domestic partnership status, pregnancy and maternity, race, ancestry, national origin, religion or belief, sex and sexual orientation, military service, veteran status, or any other protected characteristic. If you have a disability and need an adjustment in the application process, please let us know.

Applicants must be currently authorized to work in the United States on a full‑time basis. No sponsorship is available for this position.

All applicant information will be kept confidential in accordance with EEO guidelines.