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Weekend Biologist Jobs in Washington (NOW HIRING)

Guidehouse

Biologist

Bethesda, MD · On-site

$56K - $94K/yr

Biologist Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: We are looking for a Biologist to support advanced scientific research activities focused on inner ...

Guidehouse

Biologist

Bethesda, MD · On-site

$56K - $94K/yr

Biologist Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: We are looking for a Biologist to support advanced scientific research activities focused on inner ...

Cape Fox SS

Biologist

Rockville, MD · On-site

Cape Fox Facilities Services is seeking a Biologist to join our team in Bethesda, MD in support of the NIH. Responsibilities: Responsible for biosafety measures at the Twinbrook 3 Insectary Facility ...

Cape Fox Corporation

Biologist

Rockville, MD · On-site

Job Title Biologist Cape Fox Facilities Services is seeking a Biologist to join our team in Bethesda, MD in support of the NIH. Responsibilities: * Responsible for biosafety measures at the Twinbrook ...

ATCC

Lead Biologist

Manassas, VA · On-site

$95K - $110K/yr

The Lead Biologist is responsible for conducting complex experiments in the study of biological materials and processes, taking a lead role in coordinating testing and studies that advance product ...

ATCC

Lead Biologist

Manassas, VA · On-site

$95K - $110K/yr

The Lead Biologist is responsible for conducting complex experiments in the study of biological materials and processes, taking a lead role in coordinating testing and studies that advance product ...

Axle

Biologist

Rockville, MD · On-site

Handle biological materials, infectious agents, biological waste and other tasks as required. * Write reports detailing findings, methods, and procedures-including any modifications employed ...

Axle

Biologist

Rockville, MD

Handle biological materials, infectious agents, biological waste and other tasks as required. * Write reports detailing findings, methods, and procedures--including any modifications employed ...

Axle

Biologist

Rockville, MD

Handle biological materials, infectious agents, biological waste and other tasks as required. * Write reports detailing findings, methods, and procedures-including any modifications employed ...

Guidehouse

Biologist

Bethesda, MD · On-site

$85K - $141K/yr

Biologist Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: We are currently seeking a Structural Biologist to support the National Institute of Allergy and ...

ATCC

Associate Biologist

Manassas, VA · On-site

$60K - $65K/yr

A global nonprofit that provides trusted biological materials for science and health, ATCC is hiring an Associate Biologist to support hands-on laboratory quality testing for cell biology products in ...

Guidehouse

Biologist

Bethesda, MD · On-site

$85K - $141K/yr

Biologist Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: We are currently seeking a Structural Biologist to support the National Institute of Allergy and ...

Department of Human Services

Biologist

Rockville, MD · On-site

$106K/yr

In order to qualify for a Biologist, GS-0401 position, you must have: A. completed the requirements for a bachelor's (or graduate) degree in a biological science, agriculture, natural resource ...

ATCC

Associate Biologist

Manassas, VA · On-site

$60K - $65K/yr

A global nonprofit that provides trusted biological materials for science and health, ATCC is hiring an Associate Biologist to support hands-on laboratory quality testing for cell biology products in ...

Department of Human Services

Biologist

Rockville, MD · On-site

$74K/yr

In order to qualify for a Biologist, GS-0401 position, you must have: A. completed the requirements for a bachelor's (or graduate) degree in a biological science, agriculture, natural resource ...

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All JobsBiologist JobsWeekend Biologist JobsWeekend Biologist Jobs in Washington

Weekend Biologist information

See Washington salary details

$41.9K

$101.3K

$156.3K

How much do weekend biologist jobs pay per year?

As of Aug 16, 2026, the average yearly pay for weekend biologist in Washington is $101,258.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,400.00 and $137,000.00 per year, depending on experience, location, and employer.

What are the typical responsibilities and expectations for a weekend biologist, and how does the role differ from weekday positions?

Weekend Biologists are often responsible for monitoring ongoing experiments, caring for plants or animals, collecting samples, and ensuring research continuity over the weekend. Unlike weekday roles, weekend biologists may work more independently, with fewer staff on-site, requiring strong problem-solving skills and the ability to make decisions without immediate supervision. Communication with weekday teams is essential, as weekend biologists typically provide detailed reports or updates to ensure a seamless handover. This role offers valuable hands-on experience in research settings and can be an excellent stepping stone for further career advancement in biological sciences.

What are the key skills and qualifications needed to thrive as a weekend biologist, and why are they important?

To thrive as a Weekend Biologist, you generally need a solid background in biology or a related science, often with a bachelor's degree or relevant field experience. Familiarity with laboratory equipment, data collection tools, and software for statistical analysis is typically required. Strong observational skills, attention to detail, and effective communication are important soft skills for this role. These competencies ensure accurate data gathering and analysis, contributing to meaningful scientific research even on a part-time schedule.

What is a weekend biologist?

Weekend Biologists are professionals or volunteers who conduct biological research, fieldwork, or environmental monitoring primarily on weekends. This role often suits individuals who are passionate about biology but have other commitments during the week, such as students or those with full-time jobs. Weekend Biologists may work in areas like wildlife observation, habitat assessment, or citizen science projects, contributing valuable data to scientific studies. Their efforts help support ongoing research and conservation initiatives that require regular monitoring outside of standard business hours.

What is the difference between Weekend Biologist vs Part-Time Biologist?

AspectWeekend BiologistPart-Time Biologist
CredentialsBachelor's degree in biology or related field; fieldwork experienceBachelor's or higher in biology; often similar certifications
Work EnvironmentField sites, laboratories, research facilities during weekendsVaries; may include labs, offices, or fieldwork, flexible hours
Employer & Industry UsageEnvironmental agencies, research institutions, conservation groupsUniversities, research firms, environmental consultancies

The Weekend Biologist typically works during weekends, focusing on field research and data collection, while the Part-Time Biologist may have flexible hours across weekdays and weekends. Both roles require similar educational backgrounds and are used in similar industries, but their schedules and specific duties can differ based on employer needs.

What are the most commonly searched types of Biologist jobs in Washington?

The most popular types of Biologist jobs in Washington are:

What are popular job titles related to Weekend Biologist jobs in Washington?

For Weekend Biologist jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Weekend Biologist jobs in Washington look for?

The top searched job categories for Weekend Biologist jobs in Washington are:

Weekend Biologist jobs near you

Biologist

Joint Research and Development, LLC

Washington, DC • On-site

$85K - $115K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 24 days ago

Job description

JRAD is seeking candidates for an immediate fill Biologist position supporting the Department of Homeland Security. This position is on Government site in Washington, DC.

Roles/Responsibilities:

  • Analyzes environmental or air samples for acutely hazardous Biological and Chemical contamination.
  • Operates and maintains biological laboratory equipment (e.g., Electrochemiluminescence (ECL), Capillary Electrophoresis, and Polymerase Chain Reaction (PCR) instruments) and performs basic maintenance and checks on common laboratory hardware/software systems and infrastructure.
  • Operates automated liquid handling system (Biomek).
  • Uses Laboratory Information Management System (LIMS) for management of laboratory analytical data.
  • Participates in laboratory proficiency testing activities as part of a strict Quality Management System (QMS) and maintains QAQC records to include performance charts, control limits, and detection and reporting limits for analytical methods governing use of laboratory instruments.
  • Meticulously adheres to laboratory procedures, data management practices and safety protocols in accordance with Laboratory Quality Assurance Plans and safety policies/regulations.
  • Supports formal audits of laboratory quality control systems and practices, the inspection of safety practices and the review of Job Hazard Analyses.
  • Maintains inventory of lab supplies.
  • Must be capable of working a flexible schedule, including starting early in the morning, working extended work days, and potential weekends and holidays on occasion, when necessary to support the mission.


Required Skills and Education:

  • Bachelor’s Degree in a scientific discipline (biology, biochemistry, or similar) from an accredited college or university.
  • Multiple experience level positions available from Journeyman to Senior level Biologists.
  • Minimum of 10 years of experience with a Bachelors Degree, or 6 years of experience with a Masters Degree.
  • Must have more than 3 years of specific experience in sample preparations and quantitative analysis of environmental samples by methods such as PCR, ELISA, and capillary electrophoresis for hazardous bacteria, viruses and toxins.
  • Must have demonstrated analytical laboratory skills as evidenced by participation in a Proficiency Test such as a Precision and Accuracy performance test or equivalent.
  • Must have experience with quality management standards (e.g., ISO 17025 or similar), biological sample preparation methods, techniques, regulations, protocols, safety.


Security Clearance:

  • Must be able to obtain a Department of Defense Secret security clearance and a Department of Homeland Security Suitability.

When you work for JRAD you will never be just a number. We put people before profits!

JRAD is committed to the health and well-being of its employees. We offer more paid time off than the average company upon hire and the following benefits are available to all full-time employees:

• Health Insurance

• Dental Insurance

• Vision Insurance

• Life & Accidental Death and Dismemberment Insurance

• Section 125 Flexible Spending Accounts for unreimbursed medical & dependent day care

• Disability Insurance

• 401K Plan

• Tuition Reimbursement

JRAD is an equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities.

The JRAD salary range for this position is a general guideline only and not a guarantee of compensation or salary. There are many factors considered when determining the compensation provided in an offer. These factors include, but are not limited to position responsibilities, education, experience, knowledge, skills, and contract terms and conditions.

PLEASE NOTE: Once you apply, to ensure you continue to receive important updates on your application and status, please add JRAD to your approved email list and/or check your spam and junk mail often for updates.