Senior Air Quality Modeler

Environmental At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

When it comes to environmental consulting, we’re focused on cleaning up our communities today to improve tomorrow. We’re seeking a Senior Air Quality Modeler to oversee projects on air dispersion modeling in air permitting. You’ll serve as a technical specialist and lead for our Air Permitting, Modeling, Monitoring, and Reporting team.

Based out of our US offices (preferred locations would be Tampa, FL; Chicago, IL; Denver, CO; and Irvine, CA), you’ll have the opportunity to collaborate with local and global experts to ensure Jacobs provides best practice solutions to our clients. You’ll prepare and deliver high-quality reports and presentations to clients’ technical and senior leadership in accordance with Jacobs’ quality process. Apply your technical experience to develop delivery strategies and develop client relationships while championing safety, quality, and the well-being of your team.

Understanding and promoting Jacobs’ solutions and technologies to internal and external stakeholders. This position may require some travel to client or team workshops, presentations, or to conduct site visits. The role will be predominantly office-based, but periodic field assignments may be required. Bring your expertise in air quality and desire to work on tough problems, and we’ll empower you to deliver the boldest solutions for our clients.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations, enabling them to deliver their best work.

Here's what you'll need

• Bachelor’s degree in environmental, civil, or chemical engineering; meteorology; or other closely related technical degree.
• Professional air quality project experience, including permitting, modeling, monitoring, and reporting (preferably in consulting).
• A minimum of ten (10) years of experience performing air quality dispersion modeling using AERMOD.
• Demonstrated commitment to continuous development and active engagement in professional networks, company communities of practice groups, or similar.
• Experience with direct client interaction.
• Ability to effectively communicate verbally and in writing with clients, contractors, and teammates.
• Proven organizational, interpersonal, negotiation, leadership, and analytical skills.
• Experience with small, medium, or large-scale client environmental consulting projects and representing clients to stakeholders, including regulatory agencies.
• Familiarity with state and federal air regulations and regulatory processes.
• Ability to travel up to 25%.
• US citizenship.

Ideally, you’ll also have:

• Master’s degree in environmental, civil, or chemical engineering; meteorology; or other closely related technical degree.
• Professional Engineer or Project Management Professional (PE or PMP) or ability to obtain and maintain.
• Experience using HARP2 for air quality health risk assessments.
• Experience as a Project Manager on air quality projects (preferably in consulting), including scope, schedule, and budget management.
• Experience in developing, reviewing, and implementing work plans and quality assurance project plans.
• Experience with project and account management tools and applications, such as cost pricing, project statusing and tracking, and customer account relationship tools.
• Proven experience developing winning proposals and successfully managing projects with respect to clients, contracts, stakeholders, scope, schedule, budget, diverse teams, quality, risk, change, and profit.
• Demonstrated business development and client service skills, including the ability to identify sales opportunities, lead or participate in sales efforts, close deals, manage scope changes, and write proposals.

#LI-AC4

Posted Salary Range: Minimum

98,900.00

Posted Salary Range: Upper

140,000.00

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. Jacobs has an unlimited U.S. Personalized Paid Time Off (PPTO) policy for full-time salaried/exempt employees, seven paid holidays, and caregiver leave. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $98,900.00 to $140,000.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on October 28, 2025. This position will be open for at least 3 days.

At Jacobs, we’re partnering across the globe to create the best project outcomes by maximizing the design, digital technology, and support capabilities of our Global Integrated Delivery (GID) teammates. By joining Jacobs, you’ll commit to supporting and engaging with these teams, as we work to build a company like no other.

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support .

Locations

City State Country
Tampa	Florida	United States
Chicago	Illinois	United States
Irvine	California	United States