Tetra Tech Job - 39178848 | CareerArc
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Company: Tetra Tech
Location: Denver, CO
Career Level: Entry Level
Industries: Manufacturing, Engineering, Aerospace


Tetra Tech Inc. is currently seeking full-time, Environmental Chemists to provide support a range of field chemistry, laboratory, data validation, site investigation, and emergency response efforts for federal (and potentially other) clients for our Denver, CO office.

Are you ready to take the next step in your career? Do you want to do meaningful work that improves quality of life? At Tetra Tech, you will work with high-performing teams who are passionate about using their expertise to find solutions to complex problems in water, environment, infrastructure, resource management, energy, and international development.  

The selected candidate will provide chemistry support for environmental projects supporting federal (and potentially other) clients. You will be responsible for: data validation and data quality assessment support, environmental emergency response, field investigations (including soil, sediment, water, and air sampling; drilling and subcontractor supervision; and coordination with analytical laboratories), construction and/or remedial action oversight, and preparation of technical reports. You will also prepare various technical deliverables including reports, letters, proposals, cost estimates, tables, and figures. The candidate will work collaboratively with and under the supervision of a project or program manager.

You will also support technical writing for letter reports, field studies, due diligence and remedial investigation reports, monthly progress reports, standard operating procedures, and more.  Strong writing skills are critical.  

Responsibilities also involve providing task and project management support, including procurement and oversight of subcontractors and laboratories.  

The selected candidate will interact with Tetra Tech offices nationwide, and interact with subcontractors, stakeholders, and clients. 

Job Requirements:

The ideal candidate will have at least six (6) years relevant field experience in the application of chemical principles at uncontrolled hazardous waste sites and/or spills of oil or hazardous substances.  In addition, you will have experience with / be:  

  • Environmental and hazardous materials emergency response, contaminated site investigation and cleanup projects is preferred.
  • Analytical laboratory operations, including: performance of preparation and analytical methods associated with gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS) methods such as EPA SW-846 methods 8015, 8260, 8270, or equivalent methods; use of portable x-ray fluorescence (XRF) analyzers; use of portable Fourier transform infrared (FTIR) spectroscopy analyzers; routine maintenance for the equipment noted above; basic laboratory operations with laboratory balances, standards preparation, labeling, and instrument calibration.   
  • Familiarity with and understanding of the various compendiums of laboratory analytical methods, including SW-846, EPA toxic organic methods in ambient air, and the Contract Laboratory Program (CLP) Statements of Work.
  • Data validation and verification for analytical laboratory data in accordance with EPA guidance preferred. 
  • Project experience to include environmental and hazardous materials emergency response, CERCLA RI/FS projects, data validation and data quality assessment, site characterization, UST compliance monitoring, UST closures, and vapor intrusion assessments. Previous field experience required, including supervision of sampling activities, ability to work independently on field projects.
  • Relevant field experience in assessment of abandoned, neglected, and/or improperly stored laboratory chemicals (e.g., school laboratories, abandoned labs at manufacturing facilities, chemical storage facilities, etc.); knowledge of appropriate health and safety practices during chemical container handling procedures to prevent uncontrolled reactions, explosions, spills etc.
  • Hazardous categorization techniques, waste classification and profiling.
  • Knowledge of chemical compatibilities/incompatibilities.
  • Proficiency in interpreting field data and preparation of technical reports.
  • Proficiency in interpreting field data for the purposes of characterization of wastes and determination of appropriate disposal options, developing bulking schemes and lab packing.
  • Preparing technical reports, memos, response to comments tables, and diagrams is required. 
  • Conducting multiple levels of data validation, up to and including detailed reviews of full laboratory data packages (equivalent to Stage 4 reviews of Level 4 data packages).  Experienced in the application of the EPA CLP National Functional Guidelines for organic, inorganic, and high-resolution data review.  Broad experience validating analytical data for both inorganic parameters (metals and wet chemical methods) and organic parameters (volatile and semi-volatile organic compounds, pesticides, herbicides, polychlorinated biphenyl compounds, and dioxins/furans).
  • Conducting data quality assessments and writing data quality assessment reports, summarizing the reconciliation of a project's data quality with the stated data quality objectives (DQO).
  • Reviewing and managing environmental data and databases using software such as Microsoft Access or R is preferred. 
  • Ability to interface with clients, subcontractors, working groups, and internal customers required.
  • Working on proposals is desirable.
  • Working with GC and/or GC/MS methods in a mobile laboratory is preferred.
  • Project management training and experience is preferred.
  • Ability to assist with cost estimating and obtaining bids from vendors and subcontractors is preferred.
  • Effective communication
  • Ability to make evaluated decisions for the betterment of the client and the company.
  • Flexible and able to multi-task successfully.
  • GIS, CAD, data base management, working with big data, and SQL Server Data Base Management is a plus.


  • B.A/B.S. in Chemistry, Environmental Chemistry, Chemical Engineering, or a related scientific discipline required.
  • 40-hour OSHA, Incident Command System, or related training a plus. 
  • Asbestos and or lead certification preferred but not required. 
  • Current 40-hour HAZWOPER is a plus.

Work Environment

The work environment generally consists of working 5 days a week - but fieldwork includes longer periods of continuous work in the field – and requires:

  • •Ability to travel roughly 50% to support environmental emergency response and field investigation situations throughout the Rocky Mountain region on short notice, where the applicant will support field teams and provide technical support to EPA personnel at sites in a high-pressure situation. 
  • Overnight travel supporting projects on a national scale with the potential for weekend work and travel is required.
  • Heavy lifting of field sampling and other equipment, and carrying objects up to 50 lbs, is required.
  • Capable of wearing and working in an air purifying respirator and self-contained breathing apparatus (SCBA).  
  • Periodic, long workdays, including 12+ hours, especially when in the field.
  • Must meet physical demands of hazardous waste site work.  
  • Must be able to work outside in the field in all seasons and in a variety of weather conditions.

We offer a full-range of benefits including 401k Retirement Program, Time off with Pay (TOWP), Medical, Dental, Vision, Life Insurance, Long & Short-Term Disability, FSA and HSA.

The base salary range for this full-time position is $62,400 - $72,800, all hours worked are compensated.

About Tetra Tech:


Tetra Tech combines the resources of a global, multibillion-dollar company with local, client-focused delivery in more than 400 locations around the world. Our reputation rests on the technical expertise and dedication of our employees—20,000 associates working together to provide smart, scalable solutions for challenging projects. We are proud to be home to leading technical experts in water, environment, infrastructure, resource management, energy, and international development.


Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:


LinkedIn: @TetraTechCareers

Twitter: @TetraTechJobs

Facebook: @TetraTechCareers


Tetra Tech is proud to be an Equal Opportunity Employer. Diversity, inclusion, and equity are among Tetra Tech's core values. Throughout our history, the company has prioritized equitable inclusion of all people. All qualified candidates will be considered without regard to race, color, religion, national origin, military or veteran status, gender, age, disabilities, sexual orientation, gender identity, pregnancy and pregnancy-related conditions, genetic information and any other characteristics protected by the law. We invite resumes from all interested parties. Please visit our website at www.tetratech.com to see the array of diverse services and exciting projects we are currently working on.


Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans for available positions.


We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.


Please no phone calls or agencies.

Additional Information
  • Organization: 103 EMI

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