Back to Job Board

Environmental Engineer – Senior (ID# 14150)

San Antonio, TX



Since 2009, Cherokee Nation Technologies (CNT) has been serving government clients with time-tested solutions that increase client effectiveness through the intelligent use of technology. CNT’s expertise includes software and application services, network services, and business process services. The company is head-quartered in Tulsa, Oklahoma, with a regional office in Ft. Collins, Colorado, and client locations nationwide. Wholly owned by the Cherokee Nation, CNT is part of the Cherokee Nation Businesses family of companies.



For more company information, visit our site at



The Air Force Civil Engineering Center (AFCEC), headquartered in San Antonio, TX, is responsible for providing responsive, flexible full-spectrum installation engineering services. AFCEC missions include facility investment planning, design and construction, operations support, real property management, energy support, environmental compliance and restoration, and audit assertions, acquisition and program management. The unit conducts its operations at more than 75 locations worldwide.


We are looking for Senior Environmental Engineers to support the U.S. Air Force’s Environmental Restoration Account (ERA) planning, programming, budgeting and execution (PPBE) process commonly referred to as Program Requirements Development (PRD).






  • Provide specialized advisory and assistance (A&AS) support services to the Air Force including:
  • Specialized technical support for the U.S. Air Force Environmental Restoration Account (ERA) planning, programming, budgeting and execution (PPBE) process commonly referred to as PRD.
  • Support for the PRD process is accomplished in accordance with the latest version of the PRD Guide and the Air Force's PRD estimating tool of record (Remedial Action Cost Engineering Requirements (RACER).
  • Collaborate with government project managers and technical SMEs to ensure Project Cost Estimating Assumptions Document (PCEADs) contain sufficient detail to develop auditable environmental liabilities (EL) estimates.
  • Prepare complex (EL) estimates using RACER and Excel-based spreadsheets.
  • Perform reviews of RACER and historical cost estimates to ensure they are accurate, auditable, and reproducible and mentor journeyman estimators.
  • Participate in estimate review meetings and leveling exercises with government PMs. 
  • Provide initial and refresher RACER training
  • Validate new or revised cost models in RACER using scripted and ad-hoc testing methodologies.
  • Specialized technical support encompasses Technology Transfer communication, emerging issues/emerging contaminants, critical process analysis, modeling, Green & Sustainable Remediation initiatives and laboratory proficiency testing.
  • Ensure Financial Improvement and Audit Readiness (FIAR) compliance to prepare defensible, reliable EL and program estimates.







  • A master's degree from an accredited discipline university in Engineering, Physical or Life Science, or other related field is required.
  • Minimum of ten (10) years of experience in environmental restoration accomplished under the Resource Conservation & Recovery Act (RCRA) and the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA).
  • A significant portion of environmental restoration experience shall be with the Air Force ERP.
  • Knowledge of state and federal environmental regulations, Defense Environmental Restoration Program (DERP) and Federal Acquisition Regulations.
  • In-depth expertise with the Air Force PRD process
  • Demonstrated knowledge of Project Cost Estimating Assumptions Document (PCEAD) development.
  • Demonstrated Expert level preparation of cost estimates using Remedial Action Cost Engineering Requirements (RACER)
  • Utilizing and applying computer software including Microsoft Office (Excel, Word, PowerPoint), RACER and EESOH-MIS.
  • Experience in reaching out to experts/resources as needed, determining conclusions, and presenting the results in a logical and concise manner.
  • Proficiency in organizing and gathering project data, conducting analysis, preparing reports and providing recommendations.
  • Training users to develop environmental liabilities estimates using RACER.
  • Performing validation of RACER technologies that are new or have been updated from previous software version.
  • Experience interacting with state and federal environmental regulatory agencies.
  • Experience in environmental chemistry and laboratory performance evaluations.
  • Experience performing critical process analysis evaluations of remediation systems.
  • Experience modeling environmental remediation systems (fate and transport of environmental contaminants).
  • Experience working Green and Sustainable Remediation (GSR) Initiatives with United States Environmental Protection Agency (EPA).
  • Experience with assessing chemicals or materials as emerging issues/emerging contaminants.
  • Good organizational skills and excellent communication skills both oral and written.
  • Experience needs to include conducting effective technical presentations to management and professional/tactful coordination with a variety of project stakeholders.
  • Good organizational skills and excellent communication skills both oral and written.
  • Ability to multitask and meet aggressive deadlines.
  • Successfully pass a drug screen and federal background check to gain base access with a Common Access Card (CAC).



Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information.



We are an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, gender identity and sexual orientation. If you’d like more information about your EEO rights as an applicant under the law, please copy and paste the links to the following two sites:


If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may e-mail “” for assistance. This email address is for accommodation requests only and cannot be used to inquire about the application process or status.


For Pay Transparency Non Discrimination provision, please copy and paste the following link:


  1. maintain an Affirmative Action Plan for the purpose of proactively seeking employment and advancement for qualified protected veterans and individuals with disabilities. Upon request, we will schedule time to make our Affirmative Action Plan accessible. If you are interested, please submit a written request with the email subject line: 2018 Request to View Affirmative Action Plan to the Compliance Administrator”. This email box is not for resumes or follow up on job applications.