Duties
This is an advanced trainee-level, professional position located in one of the field or forward operating laboratories within the Laboratories and Scientific Services (LSS), Operations Support Office (OS), U.S. Customs and Border Protection (CBP), U.S. Department of Homeland Security (DHS). The incumbent performs chemical, physical, biological, microscopic, and forensic analyses on samples of imported merchandise or seized materials submitted to the field or satellite laboratory. These samples are submitted, along with pertinent background information, in support of regulatory monitoring and enforcement activities. The incumbent will also provide general technical advice to CBP employees.
This position starts at a salary of $50,460.00 (GS-07, Step 1) to $80,243.00 (GS-09, Step 10) with promotion potential to $115,213 (GS-12 Step 10).
While serving as a Physical Scientist (General), your duties will include:
- Receiving samples submitted for analyses, reviews background material, performs preliminary examination of the samples.
- Organizing and writing test reports and briefings, articulating technical findings, interpretations, and conclusions.
- Providing general advice to CBP employees on sampling and sample storage procedures.
Requirements
Conditions of employment
- You must be a U.S. Citizen to apply for this position
- Males born after 12/31/1959 must be registered with Selective Service
- Primary U.S. residency for at least three of the last five years (additional details below)
- You may be required to pass a background investigation
- CBP follows the DHS Drug-Free Workplace Plan for drug testing procedures
- As an employee of CBP, you will be joining a workforce that is dedicated to accomplishing our mission while maintaining the trust of our Nation by strictly adhering to all government ethics standards. Your conduct will be subject to the ethics rules applicable to all Executive Branch employees, and to CBP employees specifically, as well as the criminal conflict of interest statutes. Once you enter on duty, these rules include obtaining approval for outside employment or business activity, to ensure such employment or business activity is not prohibited and does not interfere or conflict with performance of your official duties. Please review further details via the following link.
- DHS uses E-Verify, an Internet-based system, to confirm the eligibility of all newly hired employees to work in the United States. Learn more about E-Verify including your rights and responsibilities.
- Bargaining Unit: This is a bargaining unit covered position, represented under the National Treasury Employees Unions - NTEU. For local chapter contact information see Chapter Websites - National Treasury Employees Union - NTEU
Qualifications
Basic Requirements: You must provide supporting documentation in your application to show you meet the basic requirement below.
- Degree: 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
- Combination of education and experience -- education equivalent to one of the majors shown in 1 above that included at least 24 semester hours in physical science and/or related engineering science, plus appropriate experience or additional education.
You qualify for this position if you meet the basic requirement listed above and possess one year of specialized experience or substitution of education, if applicable, as described below.
Specialized Experience:
GS-07 Experience: You qualify for the GS-07 grade level if you possess 1 year of specialized experience equivalent to at least the next lower grade level, performing duties such as:
- Writing reports on analyses;
- Receiving samples submitted for analyses; and
- Reviewing background material, performing preliminary examination and results.
GS-09 Experience: You qualify for the GS-09 grade level if you possess 1 year of specialized experience equivalent to at least the next lower grade level, performing duties such as:
- Providing advice to employees on sampling and sample storage procedures, analytical methodology, instrumentation validation, application and troubleshooting, and problems associated with analyzing samples as well as solutions;
- Writing management briefs and significant event reports; and
- Developing identity, grade, and composition of sample.
NOTE: Your resume must explicitly indicate how you meet this requirement, otherwise you will be found ineligible. Please see the "Required Documents" section below for additional resume requirements.
GS-07 Education Substitution:
- Successful completion of one year of full-time graduate education from an accredited college or university may substitute for the experience required at this level. This education must demonstrate the knowledge, skills, and abilities necessary to do the work. Check with your school to determine how many credit hours comprise a year of graduate education. If that information is not available, use 18 semester or 27 quarter hours.
or
- A bachelor's degree with Superior Academic Achievement (SAA) may also substitute for the experience required. It is based on (1) class standing, (2) grade-point average (i.e., GPA 3.0 or higher of a possible 4.0, excluding pass/fail credits. Pass/fail credits cannot be more than 10% of total credits), or (3) honor society membership. Review Superior Academic Achievement (SAA) to see if you qualify under this provision. Please see www.opm.gov for additional information.
GS-09 Education Substitution: Two years of progressively higher level graduate education leading to a Master's degree or equivalent graduate degree from an accredited college or university may substitute for experience required at this level. This education must demonstrate the skills necessary to do the work. Check with your school to determine how many credit hours comprise two years of graduate education. If that information is not available, use 36 semester or 54 quarter hours.
Combining Experience and Education: When combining education with experience, first determine the applicant's total qualifying education as a percentage of the education required for the grade level; then determine the applicant's experience as a percentage of the experience required for the grade level; finally, add the two percentages. The total percentage must equal at least 100 percent to qualify an applicant for that grade level. More information on this qualification standard is located
here.
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.
You must meet all qualification requirements, including education if applicable to this position, subject to verification at any stage of the application process by 05/26/2026.
The Office of Personnel Management (OPM) must authorize employment offers made to current or former political appointees. If you are currently, or have been within the last 5 years, a political Schedule A, Schedule C, Non-career SES or Presidential Appointee employee in the Executive Branch, you must disclose this information to the Human Resources Office.
Background Investigation: U.S. Customs and Border Protection (CBP) is a federal law enforcement agency that requires all applicants to undergo a thorough background investigation prior to employment in order to promote the agency's core values of vigilance, service to country, and integrity. During the screening and/or background investigation process, you will be asked questions regarding any felony criminal convictions or current felony charges, the use of illegal drugs (e.g., marijuana, cocaine, heroin, LSD, methamphetamines, ecstasy), and the use of non-prescribed controlled substances including any experimentation, possession, sale, receipt, manufacture, cultivation, production, transfer, shipping, trafficking, or distribution of controlled substances. For additional information, review the following links:
Background investigation and the
e-QIP process.
Residency: There is a residency requirement for all applicants not currently employed by CBP. Individuals are required to have physically resided in the United States or its protectorates (as declared under international law) for at least three of the last five years. If you do not meet the residency requirement and you have been physically located in a foreign location for more than two of the last five years, you may request an exception to determine if you are eligible for a residency waiver by meeting one or more of the following conditions:
- Working for the U.S. Government as a federal civilian or as a member of the military
- A dependent who was authorized to accompany a federal civilian or member of the military who was working for the U.S. government
- Participation in a study abroad program sponsored by a U.S. affiliated college or university
- Working as a contractor, intern, consultant or volunteer supporting the U.S. government
Probationary Period: All employees new to the federal government must serve a one year probationary period during the first year of his/her initial permanent federal appointment to determine fitness for continued employment. Current and former federal employees may be required to serve or complete a probationary period.
Education
Please see the Qualifications and Required Documents sections for more information if education is applicable to this position.
Additional information
Positions with known promotion potential do not guarantee promotion, nor is the promise of promotion implied.
The Department of Homeland Security encourages persons with disabilities to apply, to include persons with intellectual, severe physical or psychiatric disabilities, as defined by 5 CFR § 213.3102(u), and/or Disabled Veterans with a compensable service-connected disability of 30 percent or more as defined by 5 CFR § 315.707. Veterans, Peace Corps/VISTA volunteers, and persons with disabilities possess a wealth of unique talents, experiences, and competencies that can be invaluable to the DHS mission. If you are a member of one of these groups, you may not have to compete with the public for federal jobs. To determine your eligibility for non-competitive appointment and to understand the required documentation, click on the links above or contact the Servicing Human Resources Office listed at the bottom of this announcement.
Candidates should be committed to improving the efficiency of the Federal government, passionate about the ideals of our American republic, and committed to upholding the rule of law and the United States Constitution.
A career with the U.S. government provides employees with a comprehensive benefits package. As a federal employee, you and your family will have access to a range of benefits that are designed to make your federal career very rewarding. Opens in a new windowLearn more about federal benefits.
Review our benefits
Eligibility for benefits depends on the type of position you hold and whether your position is full-time, part-time or intermittent. Contact the hiring agency for more information on the specific benefits offered.
How you will be evaluated
You will be evaluated for this job based on how well you meet the qualifications above.
This position is being filled under the College Graduate Hiring Authority. We will review your resume and supporting documentation to ensure you meet the minimum qualification requirements. All applicants who meet minimum qualifications and any basic requirements applicable to this position, will be forwarded to the hiring manager for consideration and may be contacted for an interview. As a part of the interview process, additional selection criteria may be administered by the hiring manager.
Veterans: Veterans preference does not apply to selections made using the College Graduate Hiring Authority. Veteran applicants will be considered along with all other applicants who apply.
You are eligible for this appointing authority if you are an individual who: Completed, within the previous two years by 05/26/2026, a qualifying bachelors or graduate degree from a qualifying educational institution. If you are a veteran who was unable to apply within two years of receiving your degree due to uniformed service obligation of at least 4 years, may apply within two years of their discharge from uniformed service. You must submit a copy of your transcripts showing type of degree received and date degree was received. In addition, if you are a veteran who was unable to apply within two years of receiving your degree due to military service obligation, please provide a copy of your DD-214 or a written statement from the armed forces certifying your dates of service and your rank, expected type of discharge and anticipated date of separation.