Jobs in the United States

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Added 10 mins ago
Account Executive, Retail | Gestionnaire de comptes, commerce de détail
Jesta I.S.
Remote, United States
…store and omnichannel operations, warehouse and supply chain management, and AI-powered analytics. Customers start with what they need most and add more as they grow, with real-time…
Added 17 mins ago
UA
Public Affairs Specialist
U.S. Army Aviation and Missile Command
Chambersburg, PA
- $85,447 to $111,087 USD / year
…concerning the installation, its policies and programs. | Serve a principal action officer for Legislative Liaison by providing factual timely replies to written and telephonic inquiries…
Added 17 mins ago
AF
DATA SCIENTIST
Air Force Elements NORAD
Peterson AFB, CO
- $129,096 to $167,830 USD / year
…Joint Staff and other Department of Defense initiatives, a principal source of resources and analyses crucial to NORAD and USNORTHCOM planning and…
Added 17 mins ago
ND
PROTOCOL OFFICER
National Defense University
Fort McNair, DC
- $143,913 to $187,093 USD / year
Serves as the Protocol Officer and principal advisor on National Defense University (NDU) conferences for the President, NDU. Serves as the expert authority on conferences hosted or…
Added 17 mins ago
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Supervisory Management Analyst (Business Support Division Director)
Federal Emergency Management Agency
Washington, DC
- $169,279 to $197,200 USD / year
Current Federal employees must have served 52 weeks at the next lower grade or equivalent grade band in the Federal service
Added 18 mins ago
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Elementary School Teacher
Stride Inc
Denver, CO
- $51,766 to $64,708 USD / year
Required Certificates and Licenses: ColoradoElementary Teaching Certification Required · Residency Requirements: Must reside in Colorado
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Faculty Assistant & Project Coordinator
Harvard University
Cambridge, MA
Serve as principal source of information on established unit/project/program policies and advises faculty, students or staff
Added 37 mins ago
AN
SUPERVISORY IT SPECIALIST (PLCYPLN)
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Reisterstown, MD
- $143,913 to $187,093 USD / year
…the IT procurement process and administers an IT inventory management and replenishment program to ensure efficient life-cycle management. This includes the construction and review of…
Added 37 mins ago
ND
SUPV IT PROGRAM MANAGER (NETWORK/INFOSEC)
National Defense University
Fort McNair, DC · Norfolk, VA
- $127,646 to $187,093 USD / year
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Added 41 mins ago
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…administrators who implement Aspire NorCal’s instructional program across all its…
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Chief Schools Officer
Stronger Consulting
Alameda, CA
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Chief Schools Officer
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San Mateo, CA
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Chief Schools Officer
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Chief Schools Officer
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Sacramento, CA
- $275,000 to $300,000 USD / year
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Added 50 mins ago
Executive Assistant, VP, Strategy & Standards (Hybrid)
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San Jose, CA
The application window is expected to close on: 11/15/2026This is a hybrid role with one day per week at Cisco’s San Jose office
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Principal Software Engineer
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…for software quality through thorough testing and lifecycle management. They collaborate with cross-functional teams to align on strategic objectives and deliver value through continuous…
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UO
Principal Employee Relations Consultant
University of Colorado Denver
Boulder, CO
- $82,000 to $92,250 USD / year
What You Should Know This position provides a hybrid work modality with at least 3 days per week in the office
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Fort Collins, CO
- $35.29 to $54.71 USD / hour
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Principal Consultant
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Principal Cloud Security Researcher (Remote)
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…capabilities that limit what we can detect and fix. Work with product management, cloud engineering, and platform teams to close them, and help define where the cloud product should go to…

Leidos

Emerging Threats Chemist

Aberdeen, MD, United States

Pay Range $73,450.00 - $132,775.00

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Job details

Pay: Pay Range $73,450.00 - $132,775.00
Posting language: English
Posted: Oct 22, 2026

Original job description

Description

The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for an Emerging Threat Chemist at the U.S. Army Combat Capabilities Development Command – Chemical Biological Center (DEVCOM CBC) facility located at Aberdeen Proving Ground, Maryland. This is an exciting opportunity to use your synthetic chemistry and toxicology experience to advance the DEVCOM CBCThreat Agent Sciences Mission across programs in environmental response, employment characterization, and chemical agent first-look applications.

Under this role, you will work with both Federal Government staff / officials and other Leidos personnel to perform initial hazard assessments of emerging threats by evaluating synthesis routes; physical and chemical properties; stability; and preliminary toxicological considerations. You may also be tasked with assessment of the persistence, degradation, environmental impacts, and hazards associated with threat materials following dissemination or environmental exposure. This position joins Leidos’ portfolio of support to DEVCOM CBC, including basic and applied research, development, testing and evaluation, and training efforts to support the U.S. Warfighter and ensure our Warfighters maintain battlefield dominance during a chemical and/or biological event.

Primary Responsibilities:

Support new and ongoing research programs within the First Look, Employment Characterization, and Environmental Response portfolios as a principal investigator, technical lead, or research team member to meet program goals and objectives.
Routinely participate in agent operations as a primary or secondary operator. Activities may include chemical synthesis, instrumental analysis and testing, and controlled environmental-exposure experiments.
Analyze samples from a range of matrices - including vapor, soil, water, and tissue - for target compounds and degradation products using analytical instrumentation and methods such as:
Thermal desorption
Pyrolysis
Gas chromatography with flame photometric detection (GC-FPD)
Gas chromatography-mass spectrometry (GC-MS)
Liquid chromatography-mass spectrometry (LC-MS)
Tandem liquid chromatography-mass spectrometry (LC-MS/MS)
Prepare analytical standards from surety material to support instrument calibration and calibration-verification requirements.
Determine and evaluate chemical physical properties, including vapor pressure, solubility, density, viscosity, surface tension, flash point, thermal stability, partition coefficient, and acid dissociation constant.
Develop, revise, and maintain laboratory procedures, test plans, research documentation, and technical reports.
Support laboratory management activities, including equipment and supply inventory, chemical tracking, waste-disposal coordination, and maintenance of laboratory procedures and records.
Prepare monthly progress reports and maintain routine communication with program customers, stakeholders, and internal technical teams.

Basic Qualifications:

BS degree with 5+ years experience in a chemistry, analytical chemistry, environmental science, chemical engineering, toxicology, materials science, or a related scientific discipline.
Experience conducting laboratory research involving hazardous materials, chemical analysis, environmental fate, chemical properties, or related technical areas.
Working knowledge of chromatographic and mass-spectrometric analytical techniques, particularly GC-MS, LC-MS, and LC-MS/MS.
Experience preparing analytical standards, performing instrument calibration, and supporting quality-control or calibration-verification activities.
Ability to develop laboratory procedures, test plans, technical reports, and progress updates.
Demonstrated attention to laboratory safety, chemical inventory control, waste-management procedures, and documentation requirements.
Ability to work independently and collaboratively in a multidisciplinary research environment.
Strong written and verbal communication skills, including the ability to communicate technical findings to customers and program stakeholders.
Candidate must be a U.S Citizen.
Candidate must obtain a U.S. Department of Defense Secret Clearance.
Enrollment in and maintenance of DEVCOM CBC's Chemical Personnel Reliability Program (PRP) certification may be a required condition of this position.

Preferred Qualifications:

MS degree with 2+ years experience in aforementioned technical fields.
Prior experience working across multiple program areas under one role.
Previous experience with/enrollment in chemical safety and monitoring programs, such as DEVCOM CBC’s Personnel Reliability Program (PRP).

NKE

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

October 22, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $73,450.00 - $132,775.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (https://reportfraud.ftc.gov/#/) .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

REQNUMBER: R-00194999

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

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More about this job

Skills

Research
Gas chromatography
Mass spectrometry
Documentation
Communication skills
Analytical chemistry
Chemical engineering
Materials science
Quality control
Inventory management
Waste management
Work independently

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Work requirements

Jobs in the United States