Environmental Scientist (Mid-Level) (3884) Navarro Inc.Environmental Scientist (Mid-Level) (3884)Oak Ridge, TNOur expertise supports organizations such as the Department of Energy, the National Nuclear Security Administration, the Department of Defense and NASA, while also extending to commercial industries and private sector partners facing complex engineering, technical and environmental challenges. Navarro is an award-winning provider of turnkey solutions, delivering comprehensive nuclear, environmental and technical services to federal agencies, commercial enterprises and private clients across the United States.
Environmental Scientist (Mid-Level) (3884) Navarro Research and Engineering, Inc.Environmental Scientist (Mid-Level) (3884)Oak Ridge, TNOur expertise supports organizations such as the Department of Energy, the National Nuclear Security Administration, the Department of Defense and NASA, while also extending to commercial industries and private sector partners facing complex engineering, technical and environmental challenges. Navarro is an award-winning provider of turnkey solutions, delivering comprehensive nuclear, environmental and technical services to federal agencies, commercial enterprises and private clients across the United States.
Entry-Level Construction Materials Engineering Technician S&ME IncEntry-Level Construction Materials Engineering TechnicianKnoxville, TNWorking Conditions and Physical Demands: This role involves hands-on work in outdoor environments, and with Company-provided Personal Protection Equipment (PPE), you'll need to be comfortable with: Working outdoors in varying weather conditions. What You Will Do: As a Construction Materials Engineering Technician, you enjoy starting your day outdoors and take pride in hands-on work that impacts the projects you work on.
Entry-Level Construction Materials Laboratory Technician S&ME IncEntry-Level Construction Materials Laboratory TechnicianKnoxville, TNWorking Conditions and Physical Demands: This role involves hands-on work in outdoor environments, and with Company-provided Personal Protection Equipment (PPE), you'll need to be comfortable with: Working in the office/laboratory most of the time, with occasional fieldwork in varying weather conditions. S&ME is looking for a motivated and passionate part-time entry-level Laboratory Technician who likes working with their hands and doesn't mind getting dirty to join our Construction Services team in Knoxville, Tennessee.
Construction Technician (Entry Level) ECS LtdConstruction Technician (Entry Level)Knoxville, TennesseeCommunication : Maintain daily communication with site contractors, fellow technicians, and project managers; Communicate changing site conditions and additional requested testing to supervisor; Attend project meetings as requested; Assist with organization of field equipment and notify supervisor of broken or missing equipment as needed. ECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025).
NewBilingual Account Resolution Specialist | Financial Services | Entry Level Vanderbilt MortgageBilingual Account Resolution Specialist | Financial Services | Entry LevelMaryville, TennesseeThis role reports to the Team Lead and achieves success by educating customers on the importance of paying in a timely manner, providing excellent customer service, and recognizing and determining suitability of assistance options for our customers when applicable, using various tools and negotiation techniques. Enjoy coming “home” to our brand new, state-of-the-art Home Office equipped with onsite fitness facility with full gym, workout classes, volleyball and basketball courts, ping-pong, disc golf course, and onsite restaurant.
NewAccount Resolution Specialist | Financial Services | Entry Level Vanderbilt MortgageAccount Resolution Specialist | Financial Services | Entry LevelMaryville, TennesseeThis role reports to the Team Lead and achieves success by educating customers on the importance of paying in a timely manner, providing excellent customer service, and recognizing and determining suitability of assistance options for our customers when applicable, using various tools and negotiation techniques. Enjoy coming “home” to our brand new, state-of-the-art Home Office equipped with onsite fitness facility with full gym, workout classes, volleyball and basketball courts, ping-pong, disc golf course, and onsite restaurant.
Construction Technician (Entry Level) Engineering Consulting Services LtdConstruction Technician (Entry Level)Knoxville, TNECS is currently ranked #66 in Engineering News-Record's Top 500 Design Firms (April 2025), #148 in Engineering News-Record's Top 200 Environmental Firms (October 2025) and #50 in Zweig Group's Hot Firm List (May 2025). Encourage participation in internal and external training programs and certification opportunities provided by organizations such as OSHA 10, ACI, ASNT, AWS, ICC, NICET, NRCA, RCI, various State DOTs, WACEL, and others, as appropriate.
Entry Level Insurance Sales Alleviation Enterprise LLCEntry Level Insurance SalesOak Ridge, TennesseeWeekly draw pay option plus commissions (no caps and short sales cycle-3 business days) as well as monthly cash sales bonuses, quarterly stock share bonuses, incentive trips, and vested renewal commissions. Bachelor's degree or minimum of 4 years post-high school work experience (candidates within 6 months of degree completion or less than 4 years of professional work experience with relevant sales or athletic background will be considered).
NewStaff Environmental Engineer, Environmental Scientist, Or Geologist 1 Ensafe Inc.Staff Environmental Engineer, Environmental Scientist, Or Geologist 1Knoxville, TNAs a Staff Environmental Engineer, Environmental Scientist, or Geologist 1, you will support experienced engineers and scientists on a wide range of environmental projects in an environment that fosters creativity and collaboration at all levels. Workdays at EnSafe are anything but ordinary, fast-paced, dynamic, and filled with opportunities to tackle projects in environmental consulting, health & safety, engineering, and technology.
NewStaff Environmental Engineer, Environmental Scientist, or Geologist 1 ENSAFE IncStaff Environmental Engineer, Environmental Scientist, or Geologist 1Knoxville, TNAs a Staff Environmental Engineer, Environmental Scientist, or Geologist 1, you will support experienced engineers and scientists on a wide range of environmental projects in an environment that fosters creativity and collaboration at all levels. Workdays at EnSafe are anything but ordinary, fast-paced, dynamic, and filled with opportunities to tackle projects in environmental consulting, health & safety, engineering, and technology.
NewStaff Environmental Engineer, Environmental Scientist, or Geologist 1 EnSafeStaff Environmental Engineer, Environmental Scientist, or Geologist 1Knoxville, TennesseeAs a Staff Environmental Engineer, Environmental Scientist, or Geologist 1, you will support experienced engineers and scientists on a wide range of environmental projects in an environment that fosters creativity and collaboration at all levels. Challenging, Creative Work Workdays at EnSafe are anything but ordinary, fast-paced, dynamic, and filled with opportunities to tackle projects in environmental consulting, health & safety, engineering, and technology.
NewStaff Environmental Engineer, Environmental Scientist, or Geologist 1 EnSafe Inc.Staff Environmental Engineer, Environmental Scientist, or Geologist 1Knoxville, TNAs a Staff Environmental Engineer, Environmental Scientist, or Geologist 1, you will support experienced engineers and scientists on a wide range of environmental projects in an environment that fosters creativity and collaboration at all levels. Workdays at EnSafe are anything but ordinary, fast-paced, dynamic, and filled with opportunities to tackle projects in environmental consulting, health & safety, engineering, and technology.
ENVIRONMENTAL HEALTH SPECIALIST 1** - 05262026-77973 State of TennesseeENVIRONMENTAL HEALTH SPECIALIST 1** - 05262026-77973Anderson County, TNConduct public health complaint inspections in the following programs: food service establishments, hotels, bed and breakfasts, public swimming pools, organized campgrounds, tattoo and body piercing studios, public school buildings, and child care facilities. Learns to train and teach operators/owners and persons in charge how to manage food service establishments using a risk-based approach by offering a monthly food safety training class.
Environmental Project Manager ZarrellcoEnvironmental Project ManagerOak Ridge, TennesseeThis role offers the opportunity to manage complex environmental projects from initial site characterization through remedy implementation while working alongside multidisciplinary technical teams, regulatory agencies, and key stakeholders. We are seeking an experienced Environmental Project Manager to lead groundwater investigation, remediation, and environmental restoration projects supporting high-profile federal cleanup initiatives in Oak Ridge, Tennessee.
Environmental Project Manager Aptim CorpEnvironmental Project ManagerKnoxville, TN$115,000–$132,000 / yearProvide technical support to projects in all phases of work and a variety of scopes that include but are not limited to: conceptual design, environmental due diligence, environmental site characterization, monitoring, dewatering permitting, remediation design, regulatory reporting procurement, and construction. Job Overview: APTIM is seeking an enthusiastic Environmental Project Manager to join our team of engineers, scientists, and technicians who are passionately committed to safely solving our clients' environmental concerns.
Environmental Sustainability Specialist Strata-G, LLCEnvironmental Sustainability SpecialistOak Ridge, TNOur team of intellectually curious and highly motivated engineers, scientists and business professionals engages with our clients to solve complex energy and environmental challenges around the world. Tests for the absence of any illegal drug as defined in 10 CFR 707.4, will be conducted by Strata-G and a background investigation by the Federal government may be required to obtain an access authorization prior to employment.
Environmental Project Manager APTIMEnvironmental Project ManagerKnoxville, TN$115,000–$132,000 / yearProvide technical support to projects in all phases of work and a variety of scopes that include but are not limited to: conceptual design, environmental due diligence, environmental site characterization, monitoring, dewatering permitting, remediation design, regulatory reporting procurement, and construction. APTIM is seeking an enthusiastic Environmental Project Manager to join our team of engineers, scientists, and technicians who are passionately committed to safely solving our clients' environmental concerns.
Security Officer I - Entry Screener - Dollywood Theme Park - Full Time Seasonal The Dollywood CoSecurity Officer I - Entry Screener - Dollywood Theme Park - Full Time SeasonalTNMust be able to meet the qualifications to be certified as an unarmed Security Officer by the State of Tennessee, licensed by the Department of Commerce & Insurance Private Protection Services as prescribed by the Tennessee Code Annotated 62-35 Act of 1922 (See attachments TCA 62-35-116, TCA 62-35-117). Must not have been convicted of or pleaded guilty to or entered a plea of nolo contendere to any felony charge or to any violation of any federal or state laws or city ordinances relating to force, violence, theft, dishonesty, gambling, liquor and other alcoholic beverages or controlled substances.
Security Officer I - Entry Screener - Dollywood Theme Park - Part Time Seasonal The Dollywood CoSecurity Officer I - Entry Screener - Dollywood Theme Park - Part Time SeasonalTNMust be able to meet the qualifications to be certified as an unarmed Security Officer by the State of Tennessee, licensed by the Department of Commerce & Insurance Private Protection Services as prescribed by the Tennessee Code Annotated 62-35 Act of 1922 (See attachments TCA 62-35-116, TCA 62-35-117). Must not have been convicted of or pleaded guilty to or entered a plea of nolo contendere to any felony charge or to any violation of any federal or state laws or city ordinances relating to force, violence, theft, dishonesty, gambling, liquor and other alcoholic beverages or controlled substances.
Security Officer I - Entry Screener - Dollywood Theme Park - Part Time Seasonal The Dollywood CompanySecurity Officer I - Entry Screener - Dollywood Theme Park - Part Time SeasonalPigeon Forge, TN$15 / hourPart timeMust be able to meet the qualifications to be certified as an unarmed Security Officer by the State of Tennessee, licensed by the Department of Commerce & Insurance Private Protection Services as prescribed by the Tennessee Code Annotated 62-35 Act of 1922 (See attachments TCA 62-35-116, TCA 62-35-117). Must not have been convicted of or pleaded guilty to or entered a plea of nolo contendere to any felony charge or to any violation of any federal or state laws or city ordinances relating to force, violence, theft, dishonesty, gambling, liquor and other alcoholic beverages or controlled substances.
Security Officer I - Entry Screener - Dollywood Theme Park - Full Time Seasonal The Dollywood CompanySecurity Officer I - Entry Screener - Dollywood Theme Park - Full Time SeasonalPigeon Forge, TN$15 / hourPart timeMust be able to meet the qualifications to be certified as an unarmed Security Officer by the State of Tennessee, licensed by the Department of Commerce & Insurance Private Protection Services as prescribed by the Tennessee Code Annotated 62-35 Act of 1922 (See attachments TCA 62-35-116, TCA 62-35-117). Must not have been convicted of or pleaded guilty to or entered a plea of nolo contendere to any felony charge or to any violation of any federal or state laws or city ordinances relating to force, violence, theft, dishonesty, gambling, liquor and other alcoholic beverages or controlled substances.
Project Scientist IV Barge Design Solutions IncProject Scientist IVKnoxville, TNBarge Design Solutions is seeking a dedicated and knowledgeable Project Scientist IV to join our Environmental & Natural Resources team in either the Nashville, Memphis, Knoxville, Tennessee, or Atlanta, Georgia offices. In this role, you will be responsible for conducting ecological assessments, wetland delineations, wildlife habitat evaluations, and permitting in support of a variety of projects across multiple industries.
PUBLIC HEALTH LABORATORY SCIENTIST 1 - 05192026-77705 State of TennesseePUBLIC HEALTH LABORATORY SCIENTIST 1 - 05192026-77705Knoxville, TNUnder general supervision of a PH Laboratory Manager or Director, the incumbent serves as Laboratory Scientist responsible for performing laboratory testing and operational tasks of routine difficulty, including but not limited to performing all phases of laboratory testing, performing data analysis and interpretation, and assisting in troubleshooting. Education and Experience: Bachelor''s degree in Biology, Chemistry, Medical Laboratory Sciences or related field of study from an accredited college or university; OR successful completion of a two-year from an accredited medical laboratory technician program; OR meet CLIA Testing Personnel Qualification Category set forth in federal CMS regulations 42 CFR 493.1489.
Ecologist Civil & Environmental Consultants, Inc.EcologistKnoxville, TennesseeFull timeWe have a variety of Employee Resource Groups, including CEC Community – focused on giving back to the communities in which we work; CEC Ignite – focused on helping professionals early in their careers to develop their pathway; CEC iDEA – focused on inclusion, diversity, equality, and acceptance; and CEC Women – focused on creating internal and external opportunities for women to network and leverage professional experience! Overview: As an Entry Level Ecologist for Civil & Environmental Consultants, Inc. (CEC) in our Knoxville, Tennessee office, you will support stream and wetland assessment, restoration, and permitting projects for a variety of public and private sector clients.
Mechanical Design Engineers-Kiewit Nuclear Solutions 1 Kiewit CorpMechanical Design Engineers-Kiewit Nuclear Solutions 1Oak Ridge, TN$125,000–$130,000 / yearOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. Our staff leads and collaborates with Kiewit's module fabrication and construction teams to approach construction-driven engineering with a focus on safe, cost effective, and innovative designs that achieve client expectations and further Kiewit's legacy of excellence.
Project Task Manager Arcadis NVProject Task ManagerKnoxville, TN$68,400–$102,600 / yearYour responsibilities will include office-based tasks encompassing a diverse range of activities related to environmental project management, working with technical staff to drive project remediation and characterization, managing project budgets, and directing field staff in data collection. Role description: As a Project Task Manager / Staff Scientist (Geologist, Environmental Scientist, or Engineer), you will collaborate with a dynamic and growing team to support projects through all phases of the site evaluation and remediation life cycle.
Mechanical Designers & Checkers-Kiewit Nuclear Solutions-Multiple Locations Kiewit CorpMechanical Designers & Checkers-Kiewit Nuclear Solutions-Multiple LocationsTN$88,000–$92,000 / yearOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. Design piping systems and generate isometric drawings for systems typical industrial facilities and power generation facilities, but not limited to, process steam, process water, drains, and general plant/facility water, compressed air, and gas systems, condensate, blowdown, circulating water, cooling and chilled water, and underground piping utilities.
Structural Designer-Lenexa-Kiewit Nuclear Solutions Kiewit CorpStructural Designer-Lenexa-Kiewit Nuclear SolutionsOak Ridge, TN$63,000–$66,000 / yearOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. Design piping systems and generate isometric drawings for systems typical industrial facilities and power generation facilities, but not limited to, process steam, process water, drains, and general plant/facility water, compressed air, and gas systems, condensate, blowdown, circulating water, cooling and chilled water, and underground piping utilities.
Quality Manager / ASME Section III Program Manager - Kiewit Nuclear Solutions - Lenexa, KS / Oak Rid Kiewit CorpQuality Manager / ASME Section III Program Manager - Kiewit Nuclear Solutions - Lenexa, KS / Oak RidOak Ridge, TNPreferred Experience & Attributes: Preferred qualifications include prior Authorized Nuclear Inspector qualification; ASME Section III survey experience; current or previous NQA-1 Lead Auditor qualification; experience planning, performing, reporting, and closing audits; familiarity with CSA N299, CSA N285, and CSA N286; demonstrated quality program leadership; ability to support multiple projects and KNS Quality District priorities; strong communication and organizational skills; and a commitment to safety, ethics, compliance, and continuous improvement. This role develops, implements, manages, maintains, and improves KNS quality programs supporting ASME Section III and applicable CSA nuclear requirements, including CSA N299, CSA N285, and CSA N286.
Structural Engineer -Kiewit Nuclear Solutions Kiewit CorpStructural Engineer -Kiewit Nuclear SolutionsOak Ridge, TN$95,000–$100,000 / yearOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. In-depth knowledge and experience with North American design codes including IBC, ASCE7, ASCE 4, ASCE 43, ACI 318, ACI 349, AISC360, AISC N690.
Document Controls Specialist- Kiewit Nuclear Solutions-Various Locations and Projects Kiewit CorpDocument Controls Specialist- Kiewit Nuclear Solutions-Various Locations and ProjectsOak Ridge, TNOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.
Quality Manager 1 Kiewit CorpQuality Manager 1Oak Ridge, TNOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. We offer our fulltime staff employees a comprehensive benefits package that's among the best in our industry, including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off.
Area Manager / Vice President, Field Operations-Kiewit Nuclear Solutions Kiewit CorpArea Manager / Vice President, Field Operations-Kiewit Nuclear SolutionsOak Ridge, TNOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. The Area Manager / Vice President, Field Operations provides executive leadership and performance accountability for a portfolio of EPC construction projects across all phases of development and execution.
Contracts Manager-Kiewit Nuclear Solutions-Aiken, SC Kiewit CorpContracts Manager-Kiewit Nuclear Solutions-Aiken, SCOak Ridge, TNOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. Understanding, interpreting and transmitting of relevant contract information, processes and procedures to all key project participants, guide them to understand, follow up and adhere to their related discipline Scope of work in compliance with their responsibilities with the Contract Terms and Conditions, Expert in the Prime RFP process and procedures, responding to procurement requirements, proposals, successfully negotiate change orders under tens to hundreds of million dollar commercial and federal projects.
Structural Engineer-Kiewit Nuclear Solutions Kiewit CorpStructural Engineer-Kiewit Nuclear SolutionsOak Ridge, TN$138,000–$145,000 / yearOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. In-depth knowledge and experience with North American design codes including IBC, ASCE7, ASCE 4, ASCE 43, ACI 318, ACI 349, AISC360, AISC N690.
Senior EPC Project Manager / EPC Project Manager-Kiewit Nuclear Solutions Kiewit CorpSenior EPC Project Manager / EPC Project Manager-Kiewit Nuclear SolutionsOak Ridge, TNOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. The Senior EPC Project Manager / EPC Project Manager is responsible for the successful execution of assigned EPC projects, ranging from large, complex projects to multiple concurrent assignments.
Structural Engineer -Kiewit Nuclear Solutions-Early Career Kiewit CorpStructural Engineer -Kiewit Nuclear Solutions-Early CareerOak Ridge, TN$95,000–$100,000 / yearOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. Our rapidly growing nuclear solutions business has opened new locations across North America to strengthen our market presence while executing work within the communities we live within and support.
Instrumentation & Controls Engineer -Kiewit Nuclear Solutions-Oak Ridge, TN & Lenexa,KS Kiewit CorpInstrumentation & Controls Engineer -Kiewit Nuclear Solutions-Oak Ridge, TN & Lenexa,KSOak Ridge, TN$127,000–$133,000 / yearOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well as our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. Our staff leads and collaborates with Kiewit's module fabrication and construction teams to approach construction-driven engineering with a focus on safe, cost-effective, and innovative designs that achieve client expectations and further Kiewit's legacy of excellence.
Electrical Engineer- Kiewit Nuclear Solutions-Oak RIdge, TN & Lenexa, KS Kiewit CorpElectrical Engineer- Kiewit Nuclear Solutions-Oak RIdge, TN & Lenexa, KSOak Ridge, TN$123,000–$129,000 / yearOur staff collaborates with Kiewit's vast internal network of resources that span heavy civil and infrastructure, vertical and commercial buildings, industrial, as well our oil and gas and power generation markets, to drive safe and cost-effective solutions that achieve client expectations and further Kiewit's core values of People, Integrity, Excellence, and Stewardship. Our staff leads and collaborates with Kiewit's module fabrication and construction teams to approach construction-driven engineering with a focus on safe, cost effective, and innovative designs that achieve client expectations and further Kiewit's legacy of excellence.
Postdoctoral Research Associate - Computational Radiation Protection Scientist Oak Ridge National LaboratoryPostdoctoral Research Associate - Computational Radiation Protection ScientistOak Ridge, TNOverview: Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. The CRPK provides technical assistance to U.S. federal agencies involved in development of federal guidance for radiation protection and develops many of the biokinetic and dosimetric models recommended by the International Commission on Radiological Protection (ICRP) and applied by U.S. federal agencies.