Principal/Lead Assurer-Product Sustainability

Are you highly motivated, hard-working, and seeking to join a growth-focused consulting & engineering firm? Are you looking for a company that will invest in your development and grow your professional skills? If so, consider a career with Apex!

Powered by record sales, extraordinary client retention, strategic acquisitions, and an entrepreneurial spirit, Apex Companies is one of the fastest growing engineering and environmental consulting firms in the US. We were recently recognized by the Zweig Group as one of the fastest growing firms in the AEC industry. We take pride in providing our clients with exceptional service and have earned numerous awards for project excellence. We continue to grow, and we want you to grow with us.

Apex Companies is seeking a Principal/Lead Assurer to join our Product Climate Verification program and apply their deep technical expertise in environmental product assurance, carbon footprint verification, and life cycle assessment (LCA). This position will play a key role in expanding service offerings, driving operational excellence, and contributing to the strategic growth of a nationally recognized climate assurance practice. It is an ideal opportunity for professionals looking to deepen their technical expertise, broaden their leadership impact, and help shape the future of sustainability assurance.

This is a remote position and can be located in any US city.

Primary Responsibilities:

• Identify and pursue opportunities to expand into emerging markets, product consulting and verification domains
• Cultivate relationships with key clients, auditors, and industry stakeholders
• Scope and develop proposals for new projects and service areas
• Serve as lead auditor or technical reviewer for complex verification projects & maintain deep knowledge of relevant standards and protocols, including:
  • ISO 14044 (LCA)
  • ISO 14067 (Carbon Footprint of Products)
  • Environmental Product Declarations (EPDs)
  • Carbon Neutrality and Environmental Claims Validation

• Develop internal guidance and training materials to build team capacity and technical excellence
• Manage multidisciplinary teams across GHG assurance, LCA reviews, PCR/EPD verification, supply chain sustainability assessments, and ESG disclosure audits
• Ensure compliance with Apex’s quality systems and external accreditation requirements
• Oversee internal and external audits, resolve nonconformities, and maintain program integrity
• Align operations with ISO standards and ensure consistent interpretation across teams
• Provide strategic insights on emerging standards and best practices in carbon accounting, supply chain assurance, and disclosure verification
• Mentor and develop junior consultants, fostering technical growth and leadership in sustainability assurance
• Contribute to business development through thought leadership, training, and technical innovation in climate assurance

 

What we're looking for:

• Demonstrable experience building and growing a new verification service line
• 10+ years of experience in Life Cycle Assessment and EPD development/verification
• Demonstrable experience reviewing LCAs under ISO 14044 and verifying EPDs
• Strong understanding of PCR development and application
• Strong written and oral communication skills to present technical reviews to clients, program operators, and stakeholders
• History of collaboration, knowledge sharing, and leadership in sustainability and product transparency

Preferred Qualifications:

• Master’s Degree in Environmental Science, Engineering, or related field
• Life Cycle Assessment Certified Professional (LCACP) or Certified LCA Reviewer (CLAR)
• Experience in sustainable finance verification (e.g., green bonds, SPOs) is a plus
• Ability to lead audits and contribute to international business development efforts

 

Why you'll love working for us:

• Company-subsidized medical and dental
• Company-paid life, short- and long-term disability
• 401k match, tuition assistance, and more
• Cross-training and the ability to work on a variety of projects
• Performance-based bonuses or other incentives
• Working with the best and brightest in the industry
• 1,800+ employee national firm with 50+ locations across the US

#LI-JS1

Apex Job Title: Principal

Req: 10932

 

Annual Expected Pay Range$140,000—$160,000 USD

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