Staff Air Quality Engineer or Scientist

Denver · On-site$55k – $70k

About this role

We are SLR International, a 1,000+ North American team of advisory, environmental/engineering, and regulatory professionals. We deliver environmental and sustainability services to our clients through the integration of over 30 advisory, technical environmental, and engineering disciplines to help clients address some of their most complex challenges around sustainability. We are Making Sustainability Happen.

We are seeking a skilled and experienced Staff Air Quality Engineer or Scientist to join our expanding Air Quality Methane Team in Lakewood, Colorado. Preference will be given to candidates who reside in or are willing to relocate to Lakewood.


This full-time position offers a dynamic range of responsibilities, requiring adaptability and a broad skill set. It presents an exciting opportunity to contribute technical expertise to complex air quality projects across industries such as oil & gas, mining, chemical, energy, and other industrial sectors—both within Colorado and our North American region.

As part of SLR’s collaborative environment, you’ll have frequent opportunities to engage with our Air Quality technical team, sharing best practices and expanding your consulting capabilities. We are committed to supporting your professional growth through a rewarding career development path within our global, fast-growing environmental consulting organization.

Required Technical Skills and Experience

  • Bachelor of Science degree in Chemical or Environmental Engineering, Environmental Science, or closely related scientific field
  • Previous experience in the areas of air quality permitting and compliance consulting is a plus
  • Zero to 2 years of experience solving environmental problems, calculating air quality emissions, and interpreting permits or environmental regulations
  • Technical writing skills, and experience writing comprehensive technical reports
  • Proficient with Microsoft Office suite software and PDF software
  • Ability to visit industrial and manufacturing facilities

Preferred Personal Attributes and Traits

  • Attention to detail, including excellent proofreading and writing skills
  • Logical and methodical problem solving
  • Effective time management of multiple project tasks
  • Excellent communication, interpersonal, and analytical skills
  • Ability to work well independently and as part of a team
  • Understanding of budgets and deadlines
  • Self-motivated and eager to learn
  • Proactive in seeking work tasks
  • Strong communication, prioritization, and organizational skills

Key Responsibilities:

  • Accurately and efficiently complete tasks in support of air quality-related frameworks, compliance reporting, permitting, and stakeholder communication.
  • Provide technical understanding related to projects including regulatory requirements, compliance obligations, and voluntary frameworks.
  • Interact with project team members to steward preparation and submittal of client deliverables such as greenhouse gas emissions reports and air quality permits.
  • Understand and utilize air quality reporting and software tools such as ProMax.
  • Assist clients with compliance and voluntary air quality reporting programs.
  • Proactively work with SLR project managers to maintain a sustainable workload.
  • Short-duration travel to visit project locations and attend meetings.
  • With appropriate experience, a successful candidate will be considered for work as a representative of SLR, temporarily working in client office.

SLR Benefits:

  • 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.
  • Salary range: $55,000 – $70,000

  • Full-time, permanent role with opportunities for professional growth and advancement

Diversity, equity, and inclusion (DE&I) are at the core of who we are and want to be.

SLR is proud to be an Equal Employment Opportunity / Affirmative Action Employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, gender, sexual orientation, civil union status, age, citizenship, marital status, disability, gender identity or expression, genetic information, or veteran status.

At SLR, we embrace diverse cultures, perspectives, skills, and experiences within and outside our organization. We respect and celebrate differences and want to ensure that we continuously strive to build a place where everyone feels included and is encouraged to be their authentic self.

We are committed to these values, and our SLR Culture & Diversity Team works to actively promote diversity, equity, and inclusion across our people and talent processes, operations, and client work around the world. If you have a disability and need reasonable accommodations at any point in the application or interview process, please contact us at careers-us@slrconsulting.com.

Company at a glance

SLR is a committed partner in our clients’ sustainability journeys.

We help them move from influence to impact, turning intent into purposeful, practical action that delivers real-world results.

Guided by our philosophy of Rational Sustainability, we focus on what truly drives long-term value. By viewing decisions through the lenses of risk, reward, and resilience, we help clients act with confidence, balancing environmental and social responsibility with commercial and strategic success.

Our purpose - Making Sustainability Happen - means delivering outcomes that are grounded in evidence, shaped by experience, and built to last.
SLR has been advising clients for over 30 years at every point of their project life-cycle. Starting as a UK business, we now operate as a global company with more than 4,500 people delivering client solutions across six regions. We have grown both organically and through welcoming other like-minded businesses with a similar One Team culture into the SLR group. We are ably supported by our principal investor, Ares Management, and will continue to build a balanced, successful and growing business.

We’ve designed working life at SLR to look a little different. Because we know talented people often feel restricted by the rigid systems, lack of cross-functional collaboration and limited options for growth on offer elsewhere.
Our One Team culture promotes meaningful professional and personal growth, our flat management structure provides many opportunities to progress, and our collaborative approach means you’ll get the chance to work on projects you care about and make a real difference.

If you’re purpose-driven, self-motivated and keen to make an impact on a global scale, we want to hear from you.

Founded1994
Team Size1,001-5,000 employees
WorkspaceOn-site
IndustryEnvironmental Services
Location
Denver, Colorado, United States

Top Benefits

  • Medical insurance
  • Dental insurance
  • Orthodontia
  • Vision insurance
  • FSA/HSA
  • Generous PTO accrual
  • 10 paid holidays
  • 401(k) retirement account with company matching
  • Company paid life insurance
  • Short-term disability insurance
  • Long-term disability insurance
  • Employee assistance program

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