Laboratory Helper Jobs in Puerto Rico (NOW HIRING)

Summary
Organizational Location: This position is with the Department of Homeland Security, within U.S. Customs and Border Protection, Operations Support Office, Laboratories and Scientific Services located in Guaynabo, PR.
Additional selections may be made for other organizational divisions and/or units within the duty location(s) listed above.
Learn more about this agency
Duties
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CBP employees demonstrate the highest level of commitment to protect and serve the United States of America and to exemplify the CBP Core Values of Vigilance, Service to Country and Integrity. Learn more about CBP's mission, core values and careers at https://www.cbp.gov/about
The Supervisory Physical Scientist serves as the Laboratory Director for a CBP Laboratories and Scientific Services field laboratory, directing scientific, technical, forensic, quality, personnel, budget, and operational activities. The position provides authoritative scientific guidance to laboratory staff, CBP personnel, federal partners, and external stakeholders while overseeing advanced analytical testing, laboratory procedures, accreditation requirements, and strategic resource management.
This role directly supports CBP's mission by ensuring scientifically defensible testing and expert analysis that inform frontline operations, enforcement decisions, threat detection, and the integrity of trade and border security activities.
This position starts at a salary of $147,945.00 (GS-15, Step 1) to $192,331.00 (GS-15, Step 10).
GS Salary: Visit this link to view the locality pay tables by geographic area. If you do not see your geographic area listed, select the "Rest of United States" pay table. Some positions fall under a special pay rate depending on the series, grade level and location of the position.Please visit this link to view special pay rate charts.

• Planning, directing, organizing, and managing laboratory operations that address novel and complex issues resulting from chemical and physical scientific tests and investigations on merchandise, seized evidence, and other materials referred to the laboratory.
• Providing scientific and technical leadership, guidance, and oversight to laboratory staff, CBP personnel, and external stakeholders on advanced analytical methods, laboratory procedures, quality standards, and scientific findings.
• Serving as the laboratory's primary scientific representative at high-level meetings, technical conferences, and interagency or international forums, providing expert scientific and technical insight to support policy decisions and strategic initiatives.
• Monitoring and assessing emerging scientific developments, technologies, and methodologies to determine their potential application to CBP mission requirements, including advanced chemical and physical testing, forensic science, and threat detection.
• Exercising organizational decision-making authority over laboratory resources, personnel, equipment, budget, safety, and quality requirements to ensure operational effectiveness, scientific integrity, and compliance with applicable laboratory accreditation standards.

Requirements
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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)
• All pre-employment processes will be conducted in English
• 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.
• Financial Disclosure is required.
• Bargaining Unit: This position is not covered under the bargaining unit.

Qualifications
Basic Requirement: You qualify for this position if you meet the basic requirement listed below and possess the experience or substitution of education, if applicable, as described below:
A. 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
B. Combination of education and experience: education equivalent to one of the majors shown in "A" above that included at least 24 semester hours in physical science and/or related engineering science, plus appropriate experience or additional education.
AND
Experience: You qualify for the GS-15 grade level if you possess 1 year of specialized experience equivalent to at least the next lower grade level, performing duties such as:

• Directing scientific or laboratory operations, including setting priorities, assigning work, resolving complex technical issues, and ensuring final work products meet established quality, accuracy, and reliability standards.
• Providing senior-level scientific and technical guidance to laboratory personnel, operational staff, leadership, or external stakeholders on complex testing, analysis, quality control, and interpretation of scientific results.
• Leading coordination across multiple organizations, partner groups, or external stakeholders to plan, support, and deliver scientific or laboratory services that address high-impact operational, investigative, regulatory, or public safety needs.
• Developing, justifying, and managing an annual operating budget for a scientific, technical, or laboratory program, including forecasting resource needs, allocating funds, and adjusting resources to meet changing priorities.
• Evaluating and implementing new scientific methods, technologies, or procedures to improve laboratory capabilities, operational effectiveness, analytical accuracy, or service delivery.

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.
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; and
• Meet all applicable Time in Grade requirements (current federal employees must have served 52 weeks at the next lower grade or equivalent grade band in the federal service) by 09/11/2026.

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 on the preemployment process, review the following link: Applicant Resources | CBP Careers
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.
Agency Career Transition Assistance Program (CTAP) or the Interagency Career Transition Assistance Program (ICTAP) Eligibles: If you have never worked for the federal government, you are not CTAP/ICTAP eligible. View information about CTAP/ICTAP eligibilityon OPM's Career Transition Resources website. To be considered well qualified under CTAP/ICTAP, you must be rated at a minimum score of 85 for this position. In addition, you must submit the supporting documents listed under the Required Documents section of this announcement.
Supervisory Probationary Period: You may be required to serve an 18 month probationary period upon appointment.
Leadership Training: All newly appointed first-time CBP Supervisors are required to complete mandatory training. The training will be scheduled by the Office of Training and Development within the first 90 days of appointment. The duration of the training will include 5 weeks of in residence training in Harpers Ferry, WV. Note: This training may be waived if previously completed.
Please upload your resume under the "Resume" document type. Any other relevant supporting documents should be uploaded under their appropriate document types as mentioned above. Only resumes up to a total of two pages will be accepted. Applicants with resumes exceeding two pages will be removed from consideration. Do notsubmit documents as a PDF Portfolios. You may submit a curriculum vitae (CV) and attach in the "other document" option.
Education
Please see the Qualifications and Required Documents sections for more information if education is applicable to this position.
Additional information
Additional Hiring and Special Appointing Authorities: See "THIS JOB IS OPEN TO" section above for what additional Appointing Authorities may apply. Veterans, military spouses, Peace Corps/VISTA volunteers, and people 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 and to understand what documentation would be required with your application, please click on the appropriate link below. You must provide documentation supporting your eligibility prior to the closing date of this announcement. If you have any questions regarding your eligibility, please contact the CBP Hiring Center via the contact information listed at the end of this job opportunity announcement.

• Veterans
• Military spouses Effective until December 31, 2028, any spouse of a member on active duty may be eligible
• Individuals with Disabilities The proof of disability documentation must specify that you are eligible to apply using Schedule A. It does NOT need to detail your specific disability, medical history or need for accommodation. For more information visit this link.
• Peace Corps and VISTA
• Land Management Hiring Flexibility Act: The following documents are required at the time of application: SF-50s to demonstrate that you meet the eligibility requirements and the most recent performance rating signed by your supervisor or a statement from your supervisor documenting acceptable performance.
• Other miscellaneous hiring authorities

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 uniqu