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Sr. Environmental Advisor

Geosyntec Consultants
paid time off, tuition reimbursement, 401(k)
Jul 30, 2026

Sr. Environmental Advisor
Primary Location

US-NM-Los Alamos
ID

2026-4719



Category
Environmental Management

Position Type
Regular Part-Time

Remote
No



Overview

Longenecker & Associates (L&A), a Geosyntec Company, is a trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE's nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivated Sr. Environmental Advisor to contribute to our mission supporting our work at Los Alamos National Lab in Los Alamos, NM.

Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.

We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.

To Learn More Visit: http://www.geosyntec.com/careers/



Essential Duties and Responsibilities

Develop a framework that integrates NNSA and EM guidelines as well as applicable regulatory requirements to provide a formal process and operationally integrated capability for transitioning legacy cleanup completion into a Long-Term Stewardship program at Los Alamos National Laboratory (LANL).

The policy shall include, but is not limited to:

    Regulatory framework
  1. Description of roles and responsibilities of the four parties
  2. Role of LTS and Legacy Management
  3. Flowchart/graphic that visually shows the steps of the process
  4. How often the policy must be reviewed (e.g., every 2 years)
  5. Stakeholder communication strategy


Education and Licensure

Bachelor's Degree in Science and/or related Environmental Field.



Skills, Experience and Qualifications

Required Skills, Experience, and Qualifications

  • Due to federal contract security requirements, candidates must be able to successfully pass a federal background investigation to secure and maintain DOE Q security clearance if required.
  • Due to federal contract security requirements, this position requires U.S. Citizenship. (required)
  • Successful candidates will be able to perform the essential functions of the job with reasonable accommodation. This job posting reflects management's assignment of essential functions and the descriptions listed do not restrict management's right to assign or reassign duties and responsibilities to this job at any time.
  • Health & Safety training, medical monitoring, and client-driven drug and background testing. (required)
  • Please note that marijuana remains a Schedule III controlled substance under Federal Law. Federal contractors must follow Federal drug-free workplace rules, which prohibit marijuana use, even if medical or recreational use is permitted under State Law.
  • 15+ years of experience or equivalent years of education and experience.
  • Experience working in a DOE and/or NNSA setting.
  • Significant experience in environmental, safety, and health.
  • Experience as a Program and/or Project Manager.

Preferred Qualifications and Location Details

  • Candidate who has held a Q clearance within the last two years.
  • Part-Time position.

As an L&A employee, you will be eligible for a competitive salary as well as a comprehensive benefits package including healthcare (medical and dental), 401K plan, and paid time off. We believe in investing in our employees beyond compensation and as an L&A employee, you will have access to in-house training, career pathing, mentoring, award programs, tuition reimbursement and much more.

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