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Life Scientist/Environmental Engineer/Physical Scientist

Environmental Protection Agency

Denver, COFull-time$119–154K/yrPosted 6 days ago

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At a glance

Compensation
$119–154K/yr
Location
Denver, CO
Schedule
Full-time
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Professional Engineer Registration Or AlternativeEngineer-In-Training Test Or Alternative

Job overview

The position is in EPA Region 8’s Water Division, Safe Drinking Water Branch, Underground Injection Control Section. It provides technical guidance and oversight for UIC permitting programs, communicates scientific and technical information to agency leadership, and addresses complex permit issues. The role is office-centered, with regular in-person reporting to the duty station. Applicants must meet the stated specialized-experience and education requirements for one of the listed scientist or engineer disciplines.

Skills & qualifications

RequiredNice to have

Skills

Environmental EngineeringAttention to DetailCritical ThinkingGeneral EngineeringWritten CommunicationOral CommunicationProblem SolvingInfluencing and NegotiatingTechnical CompetencePhysical ScienceReviewing Technical DocumentationAssessing Geological SuitabilityAnalyzing Well Logs and TestsAssessing Well Integrity

Qualifications

1 Year Specialized ExperienceBachelor's or Higher DegreeProfessional Engineering Degree or Equivalent PathProfessional Engineer Registration or AlternativeEngineer-in-Training Test or Alternative60 Semester Hours or AlternativeBachelor's in Engineering Technology or Appropriate Field1 Year Professional Engineering ExperienceBachelor's in Physical Science, Engineering, or Mathematics24 Semester Hours in Physical ScienceU.S. CitizenshipBackground Investigation

Benefits

401(k) Match

Full job description

Summary

This position is in Region 8, Water Division, Safe Drinking Water Branch, Underground Injection Control Section. About this organization: Region 8 This is an office-centered position--you must physically report to the duty station stated in this announcement on a regular basis.

Duties

You will: Provide authoritative technical advice on Underground Injection Control (UIC) permit program policies, guidelines, regulations, review, and implementation for EPA, state, or Tribal UIC programs. Oversee and provide technical support to state or Tribal Underground Injection Control (UIC) permitting programs to ensure proper implementation. Clearly communicate scientific and technical information to develop recommendations for Agency management and senior leadership. Resolve critical, politically sensitive, and highly technical issues related to permit requirements to defend permits against legal challenges. One or more positions may be filled (in the organization advertised and/or in other organizations), if appropriate to the position. Requirements

#LI-Onsite You must be a U.S. citizen. If you are selected, you may be required to complete a one-year probationary period. This position is designated as Moderate Risk and requires a background investigation. Unless an appropriate background investigation is already on record with the Office of Personnel Management, you must undergo a background investigation. All conditions of the pre-employment security process must be met before an official letter of employment can be issued with a report for duty date. REAL ID requirements became effective on 05/07/25. If you are selected for this position and plan to use your driver's license or identification card during the onboarding process (i.e., for employment eligibility verification or to obtain your EPA identification card), the document must be a REAL ID-compliant state-issued driver's license or identification card that includes the REAL ID-compliant star marking, or must be an Enhanced Driver's License (EDL). You will receive information about alternative acceptable documents (e.g., passport) prior to onboarding. For more information about REAL ID, see Dept. of Homeland Security and REAL ID FAQs. This position requires the use of personal protective equipment (PPE). Qualifications

NOTE: You must meet qualification requirements, including any requirements described in the Education section, by the closing date of this announcement. In addition to the basic entry education requirements, you must have specialized experience and/or directly related education as described below: To qualify for the GS-13 level, you must have 1 year of full-time* specialized experience equivalent to at least the GS-12 level defined as reviewing technical documentation such as permit applications and technical reports; performing geological suitability of underground water sites; and analyzing well logs, tests, and/or integrity. You will need the following competencies in order to perform the duties of this position successfully: Environmental Engineering Attention to Detail Critical Thinking General Engineering Written Communication* Oral Communication Problem Solving* Influencing/Negotiating Technical Competence* Physical Science *You will be evaluated on these critical competencies. Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional, philanthropic, religious, spiritual, community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience. *If you have part-time work experience, read this: Part-Time Experience.

Education

Life Scientist: You must have a bachelor's or higher degree from an accredited or pre-accredited college or university in biological sciences, agriculture, natural resource management, chemistry, or related disciplines appropriate to the position; OR a combination of education and experience with courses equivalent to a major, as listed. Environmental Engineer: You must have one of the following: Successful completion of a professional engineering degree at an accredited university or college OR Combination of college level education or training AND technical experience that has furnished you with (1) a thorough knowledge of the physical and mathematical sciences underlying professional engineering, and (2) a good understanding, both theoretical and practical, of the engineering sciences and techniques and their applications to one of the branches of engineering. The adequacy of such background must be demonstrated by one of the following: Professional registration as an engineer. Evidence of passing the Engineer-in-Training written test. Successful documented completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences as described by OPM. Successful completion of a curriculum leading to a bachelor's or higher degree from an accredited or pre-accredited college or university in engineering technology or in an appropriate professional field and at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. Please review the OPM page on specifics about required curriculum and for more information on qualifications, please visit GS-800: All Professional Engineering Positions qualifications. Physical Scientist: You must have a bachelor's or higher degree from an accredited or pre-accredited college or university in physical science, engineering, or mathematics that included 24 semester hours in physical science and/or related engineering science such as mechanics, dynamics, properties of materials, and electronics; OR a combination of education and experience with education equivalent to one of the majors listed that included at least 24 semester hours in physical science and/or related engineering science, plus appropriate experience or additional education. For information about accreditation requirements, visit Accreditation. How You Will Be Evaluated

You will be evaluated based on how well you meet the qualification requirements listed in this vacancy announcement. Your qualifications will be evaluated based on your application materials (e.g., resume, supporting documents), your responses on the application questionnaire, and your responses (if applicable) to all assessments required for this position. To preview the application questionnaire, click the following link: https://apply.usastaffing.gov/ViewQuestionnaire/13087141 If you are eligible for consideration, one or more subject matter experts will systematically review your resume to assess the degree to which your background matches the competencies required for successful performance in this position (see the Qualifications section for a list of the critical competencies being evaluated). Based on the assessment ratings, a score will be calculated; you will be ranked using the category rating method, and you will be placed in one of the following quality categories: Best Qualified (highest), Well Qualified, or Qualified (lowest). NOTE: Cheating (including the use of a consultant or an AI tool to assist you) on any assessment may result in your removal from consideration for this job. Veterans' preference is applied after applicants are assessed. Qualified preference eligibles who have a compensable service-connected disability of 10 percent or more are placed at the top of the highest category (except for scientific or professional positions at the GS-09 level or higher). All other preference eligibles are placed above non-preference eligibles within their assigned category. NOTE: Applicants who are referred to the selecting official for consideration and are entitled to veterans' preference in the hiring process must be selected, or decline further consideration, before applicants who are ineligible for veterans' preference can be selected (to learn more, visit Veterans' Preference). If you are referred for consideration, you may be subject to additional assessments by the selecting official (e.g., technical writing sample or other work sample, job knowledge test, case scenario analysis, scientific data assessment, structured interview, etc.) Benefits

Join EPA in protecting human health and the environment and enjoy many work life quality options! Working for the EPA offers you a comprehensive benefits package that includes, in part, paid vacation, sick leave, holidays, life insurance, health benefits, and participation in the Federal Employees Retirement System. To learn more about us, visit Life and Careers at EPA. If you are selected for this position, situational telework may be approved by your supervisor if you meet eligibility requirements, as allowable by agency policy and/or applicable collective bargaining agreement. EPA policy only allows telework to be approved situationally. Situational telework is for work or assignments of specific limited duration on an occasional, emergency, or ad hoc basis. NOTE: If you are an EPA employee who currently works at a remote work location (i.e., full-time telework), your approval for remote work does not transfer to this position, subject to Section 501 of the Rehabilitation Act. Other Information

Except in special circumstances, those new to the federal government will be hired at the starting salary (step 1) of the applicable grade range listed in the Overview section. Are you a Displaced Federal Employee? If so, please read the Required Documents section and visit the EPA website for additional information on the Career Transition Assistance Plan (CTAP) and Interagency Career Transition Assistance Plan (ICTAP): CTAP/ICTAP NOTE: To be entitled to selection priority, you must be rated well-qualified (i.e., you must fall into the Well Qualified category or higher--see the How You Will Be Evaluated section). EPA participates in E-Verify. E-Verify is an Internet based system operated by the Department of Homeland Security (DHS) in partnership with the Social Security Administration (SSA) that enables participating employers to electronically verify the employment eligibility of their newly hired employees. For additional information: E-Verify. If you are selected, travel, transportation, and relocation expenses will not be paid by EPA. Any travel, transportation, and relocation expenses associated with reporting to work in this position will be your responsibility. This position is not in the bargaining unit. REASONABLE ACCOMMODATION EPA welcomes applications from persons with disabilities. Through the reasonable accommodation process, we provide persons with disabilities an equal opportunity to enjoy the benefits and privileges of employment that persons without disabilities enjoy. A reasonable accommodation is any change in the work environment or in the way things are customarily done. An accommodation removes workplace barriers and enables an applicant with a disability to have an equal opportunity to participate in the application process, be considered for a position, and, if hired, perform the essential functions of their job. The EPA National Reasonable Accommodation Coordinators will provide assistance to you, the Human Resources Office, and/or the hiring official as needed. For more information, refer to EPA's Reasonable Accommodation website. Below is more detailed information about how to request a reasonable accommodation during the application, selection, and hiring process: If you require reasonable accommodation for any part of the application process (submitting the application or completing the application process), contact the Human Resources Office listed below no later than two business days prior to the closing date of this announcement, and the Human Resources Office will work directly with you. If you are referred to the hiring official for consideration and need an accommodation during the selection process, including the interview, notify the person who contacted you from the hiring official's office. If you do not hear back within three days about your reasonable accommodation request for the selection process, please notify EPA's National Reasonable Accommodation Coordinators via email at [email protected]. If you are selected and need an accommodation during the hiring process up to orientation, notify the HR Specialist who made the job offer to you. Please note: Determinations on requests for reasonable accommodation will be made on a case-by-case basis.

How this job compares

Set against the 779 open Environmental Scientist jobs on Olive Jobs, counted November 4, 2026.

Pay
  • This posting$119–154K/yr
  • Colorado median$83–136K/yr59 salary ranges
  • US median$83–136K/yr526 salary ranges

This range's midpoint, $136K, is 25% above the Colorado median midpoint ($109K) — in the top quarter of Environmental Scientist salary ranges in Colorado.

Openings
Olive Jobs lists 68 open Environmental Scientist jobs in Colorado and 779 across the US. 2% of them nationwide are listed as remote or flexible.
Hiring the most in Colorado
Experience
This posting asks for at least 1 year of experience — less than three in four Environmental Scientist postings that state a minimum ask for (median 7 years, across 648 postings).
Education
317 of the 779 open Environmental Scientist jobs (41%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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