Flex Security Officers - Part-Time & Weekends

For 75 years, Charles River employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well‑being of people across the globe. Whether your background is in life sciences, finance, IT, sales or another area, your skills will play an important role in the work we perform. In return, we’ll help you build a career that you can feel passionate about.

We are seeking a Security Officer for our Safety Assessment site located in Reno, NV for Weekend Graveyard coverage: Saturday-Sunday, 6pm - 6am daily.

The Security Officer is responsible for safeguarding company personnel, property, assets, and facilities from theft, vandalism, unauthorized access, fire, and other potential hazards. This position supports a safe and secure work environment through access control, patrol operations, incident response, security monitoring, and the enforcement of company policies and procedures.

The Security Officer monitors and investigates security-related incidents, documents findings, and assists in maintaining compliance with organizational policies, regulatory requirements, and security standards. Education: High school diploma, General Education Degree (GED), or equivalent required. Experience: Minimum of two (2) to three (3) years of professional work experience, including at least six (6) to twelve (12) months of related security experience and/or formal security training

Basic proficiency in Microsoft Office applications, including Microsoft Outlook, Word, Excel, and Teams. Ability to use computer-based systems for reporting, communication, and documentation

The following duties are representative of the responsibilities associated with the Security Officer position:

Control access to the facility by greeting, screening, and authorizing visitors, contractors, and employees in accordance with company policies and procedures

Monitor security, life‑safety, and environmental systems and promptly investigate, document, and report incidents, alarms, or irregular activities

Identify and report unauthorized individuals, suspicious activities, or security concerns to the appropriate personnel and authorities while adhering to established safety protocols

Maintain the safety and security of company personnel, facilities, products, and assets through proactive observation, deterrence, and enforcement of company policies

Conduct routine patrols and inspections of buildings, grounds, and critical infrastructure to identify security, safety, or maintenance concerns

Monitor the operational status of security equipment, access control systems, surveillance systems, alarms, and other critical building systems

Complete detailed and accurate reports, logs, and documentation related to security activities, incidents, inspections, and investigations

Assist with basic troubleshooting and corrective actions for security and facility systems within the scope of training and assigned responsibilities

Serve as a communication resource for security‑related matters during both business and non‑business hours

Maintain proficiency in company security procedures, emergency response protocols, and applicable site‑specific requirements

Utilize computer‑based systems, including Microsoft Office applications and security management software, to document incidents, maintain records, and communicate effectively

We are seeking an individual to work on the weekends but may be available to provide coverage for others during the week for vacations, sick leaves, call outs, etc.

About Safety Assessment Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state-of-the-art facilities and expert regulatory guidance. From individual specialty toxicology and IND enabling studies to tailored packages and total laboratory support, our deeply experienced team can design and execute programs that anticipate challenges and avoid roadblocks for a smooth, efficient journey to market. Each year approximately 300 investigational new drug (IND) programs are conducted in our Safety Assessment facilities.

About Charles River Charles River is an early-stage contract research organization (CRO). We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non‑GLP, to support clients from target identification through preclinical development. Charles River also provides a suite of products and services to support our clients’ clinical laboratory testing needs and manufacturing activities. Utilizing this broad portfolio of products and services enables our clients to create a more flexible drug development model, which reduces their costs, enhances their productivity and effectiveness to increase speed to market.

With over 20,000 employees within 110 facilities in over 20 countries around the globe, we are strategically positioned to coordinate worldwide resources and apply multidisciplinary perspectives in resolving our client’s unique challenges. Our client base includes global pharmaceutical companies, biotechnology companies, government agencies and hospitals and academic institutions around the world.

At Charles River, we are passionate about our role in improving the quality of people’s lives. Our mission, our excellent science and our strong sense of purpose guide us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well‑being of many across the globe. Food and Drug Administration (FDA) in the past five years.

We’re committed to providing benefits that elevate your quality of life.

bonus/incentives based on performance

stock purchase program

Health and wellness coverage

Charles River is an equal opportunity employer and is committed to providing equal employment opportunities for all qualified applicants and employees without regard to race, color, sex, religion, national origin, ancestry, age, mental or physical disability, family status, pregnancy, military or veteran status, or any other characteristic protected by federal, state, or local laws.

If you are interested in applying to Charles River Laboratories and need special assistance or an accommodation due to a disability to complete any forms or to otherwise participate in the resume submission process, please contact a member of our Human Resources team by sending an e‑mail message to View email address on click.appcast.io. This contact is for accommodation requests for individuals with disabilities only and cannot be used to inquire about the status of applications.

Pharmaceutical, Testing, Laboratory, Facilities, Biotech, Science, Technology, Operations

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