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Salary
$90k – $110k per year
Location
In office (Atlanta)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 15, 2026. First seen by Alion on Aug 26, 2026.

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Why Trileaf Why Trileaf Locations Clients Testimonials Our Culture The Company Careers Contact Us Services Services Architecture & Engineering Architecture & Engineering As-Built Site Survey Architectural Design Construction Documents Permitting Accessibility | ADA Compliance Jurisdictional Due…

Company: Trileaf Corporation is a nationwide environmental, architecture, and engineering consulting firm that assists clients with environmental due diligence, regulatory compliance, and engineering & architectural design. Trileaf serves the wireless communications, real estate, and financial industries from its headquarters in St. Louis, MO and many branch offices throughout the U.S.

Position Summary: The Senior Project Manager supervises a larger team of environmental staff and manages more complex, higher-value client relationships than a Project Manager, while building toward the broader team leadership, business development, and financial oversight responsibilities of a Group Manager. This role accepts and delegates projects across an expanded client portfolio, mentors Project Managers and staff, and contributes to business development and proposal efforts. Requires significant experience managing environmental due diligence projects and staff, including Phase I/II Environmental Site Assessment experience.

Essential Duties and Responsibilities:

  • Supervise a larger team of environmental scientists and/or Project Managers (typically 6-10+ direct and indirect reports)
  • Perform semi-annual performance reviews for all direct reports
  • Accept and delegate environmental due diligence projects across an expanded client portfolio
  • Perform QA/QC review on projects and proposals prior to submission, including reviewing the work of Project Managers and staff
  • Mentor and provide guidance to Project Managers and less experienced staff on technical, client management, and project execution matters
  • Manage more complex and/or higher-value client accounts and projects, serving as the primary point of contact for designated clients
  • Support business development efforts, including identifying new opportunities with existing and prospective clients
  • Assist in the preparation of proposals and scoping for complex projects
  • Track and report project and team financial performance, including budget, billing, and profitability, to business leaders.
  • Assist with the development of training material and enforcement of corporate policies
  • Other duties as assigned

Required Skills & Abilities:

  • Phase I and Phase II Environmental Site Assessment and/or NEPA experience required
  • Strong knowledge of environmental due diligence practices, regulatory requirements, and industry standards
  • Demonstrated experience managing and mentoring staff
  • Strong client relationship management skills, with the ability to serve as primary point of contact for complex accounts
  • Self-motivated, adaptable, and able to manage workload with sound judgment
  • Strong oral and written communication skills, with excellent organizational abilities and attention to detail
  • Thorough working knowledge of Microsoft Office 365 (Word, Excel, etc.)
  • Ability and willingness to travel
  • Experience in the wireless telecommunications industry preferred

Education and Experience:

  • Bachelor's degree in Environmental Science, Geology, Engineering, or a related field required
  • 5+ years of experience in environmental due diligence (Phase I/II ESAs and/or NEPA), including at least 2 years of staff or project supervisory experience

Licenses and Certifications:

  • Valid driver's license required
  • Environmental Professional (EP) designation, Professional Geologist (PG), or Professional Engineer (PE) preferred

Physical Requirements:

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Prolonged periods of sitting and working at a computer
  • Frequent use of hands and fingers for typing and operating office equipment
  • Ability to lift and/or move items up to 15 lbs. occasionally
  • Occasional travel to client or project sites may require walking active work sites

Work Environment and Travel:

  • This is primarily an office-based position with regular travel to support client relationships, business development, and project oversight
  • Travel requirements vary based on project and client assignments

Potential Hazards:

  • None specific to this role; standard office environment, with occasional site-visit exposure typical of environmental due diligence work

Other duties:

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Benefits:

  • Health, Dental & Vision Insurance
  • 401k with company match
  • Short-term disability, Long-term disability & Life Insurance - 100% Employer paid
  • 3 weeks of PTO per year
  • 8 paid holidays plus 1 floating holiday

The listed salary range for this position is an expected range. The actual offer will be at the company's sole discretion and determined by relevant business considerations, including the final candidate's qualifications, years of experience, skillset, geographic location, and current market data.

All offers of employment are contingent upon the successful completion of a comprehensive background check, including criminal history, education verification, employment verification and drug test. This may also include credit and motor vehicle record checks depending on the position.

Trileaf Corporation is an Equal Opportunity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, genetic disorder, disability, protected veteran status or any other characteristic protected by state, federal, or local law.

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