Carollo Engineers Inc

Principal Consultant

Carollo Engineers Inc$110K — $130K *
Energy & Utilities
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Extensive experience in environmental consulting (15-20+ years).
  • Bachelor's degree in a relevant field (Engineering, Environmental Science, Chemistry).
  • Strong grasp of air quality regulations (e.g., Title V, PSD, GHG).
  • Effective communication and analytical skills.
  • Proficient with Microsoft Office and possess a valid driver's license.

Responsibilities

  • Develop and mentor a skilled team of environmental professionals.
  • Organize project logistics and schedules effectively.
  • Manage preparation of air quality permit applications.
  • Provide regulatory guidance to diverse clients.
  • Monitor evolving environmental regulations and provide solutions.
  • Ensure project delivery aligns with scope and budget.
  • Strengthen client relationships for future growth.

Benefits

  • Comprehensive medical, dental, and vision coverage.
  • Generous PTO accrual and 10 paid holidays.
  • 401(k) with company matching program.
  • Company paid life insurance and disability coverage.
  • Supportive workplace culture with growth opportunities.
Full Job Description
Role

The Principal Consultant will be an integral part of our Air Quality Practice, supporting multimedia projects as a project manager, technical expert, and staff mentor. SLR believes strong collaboration across disciplines and staff levels drives business excellence and growth, and the Principal Consultant will be the essential link in cultivating these relationships. The highly experienced environmental science leader will be responsible for advancing regulatory compliance, air quality monitoring, sampling programs, and environmental program management across state and industrial settings. The candidate will provide expert scientific guidance, project leadership, and regulatory interpretation to support environmental protection, public health, and operational excellence.

As SLR continues to expand its presence and capabilities in Pittsburgh, the Principal Consultant will play a pivotal role in shaping the trajectory of our project portfolio. This position will contribute to growth opportunities across emerging and established markets, leveraging strong client partnerships and regulatory insight into the position of SLR as a preferred provider in environmental and air quality services. Through project development, cross-disciplinary integration, and high-caliber technical leadership, the Principal Consultant will help drive sustainable business expansion while ensuring that our project work consistently reflects innovation, compliance excellence, and industry-leading best practices.

By mentoring team members, strengthening operational processes, and fostering a collaborative culture, the Principal Consultant will contribute directly to building a resilient, scalable operation. Their leadership will ensure the Air Quality Practice remains agile, competitive, and prepared to meet evolving industry demands-ultimately supporting SLR's broader organizational mission to Make Sustainability Happen.

Responsibilities:
  • Develop and mentor a growing team of environmental professionals, fostering a collaborative and high-performance culture.
  • Organize project teams, logistics and schedule to efficiently deliver projects.
  • Manage and contribute to the preparation of air quality permit applications (e.g., PSD, Title V, Minor Permit, AQADs).
  • Provide regulatory guidance and compliance support to clients across diverse industries.
  • Stay ahead of evolving environmental regulations and translate insights into client solutions
  • Ensure project delivery within scope, budget, and schedule expectations
  • Contribute to growing client relationships.

Qualifications/Education/Memberships:
  • Proven track record in environmental consulting.
  • Bachelor's degree in Engineering, Environmental Science, Chemistry, or related field
  • 15-20+ years of relevant experience in environmental consulting, government or industry (oil and gas, mining, utilities).
  • Strong knowledge of air quality regulations (Title V, PSD, NSPS, NESHAP, GHG, RMP, Ambient Monitoring)
  • Effective communicator, writer, with strong organizational and analytical skills
  • Proficient in Microsoft Office; valid driver's license.

Working @ SLR

With us, there is no doubt you'll grow your subject-matter expertise and industry knowledge. We care about investing in our employees for the long-run, and if you ask our team, they'll tell you that's just one of the many benefits of working here. We want to be a place where you can experience career growth and satisfaction for many years.

Here's what else you'll enjoy as part of our team:
  • Competitive total compensation package including medical, dental, orthodontia, vision, FSA/HSA, generous PTO accrual, 10 paid holidays, 401(k) retirement account with company matching program, company paid life insurance, short & long term disability insurance, and employee assistance program.
  • Part-time, permanent role with opportunities for professional growth and advancement
  • A flexible workplace environment for modern leaders

About Carollo Engineers Inc

Carollo Engineers is an environmental engineering consulting firm that specializes in the planning, design, and construction of water and wastewater facilities. The company was founded in 1933 and is headquartered in Seattle, Washington. Carollo Engineers has over 40 offices throughout the United States and provides services to clients in the municipal, state, and federal government sectors, as well as private industry. The company's services include water treatment, wastewater treatment, water resources planning, and environmental compliance. Carollo Engineers has received numerous awards for its work, including the American Council of Engineering Companies' Grand Conceptor Award.
Learn more about Carollo Engineers Inc
Size
1,400 employees
Industry
Founded
1933

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