Project Manager Assistant - Environmental Laboratory
Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Oct 16, 2026. Onterris scores A on the Alion truth index.
About Us
At Onterris, we build careers grounded in purpose, responsibility and real-world impact.
“For Planet and Progress” is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected, interwoven and international. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.
When you join us, you’re not just forging a career, you’re joining a movement. A movement for better thinking, smarter solutions and lasting impact.
Together, we will advance our way of life and protect the integrity of our environment every step of the way.
A Day in the Life
As a Full-Time Project Manager Assistant in our Orange, CA Laboratory, you’ll be responsible for assisting multiple projects where you will have increasing interaction with our multi-disciplinary staff, regulatory agencies and clients. You will be part of a strong team of committed professionals.
The compensation range for this role is $25 to $34, commensurate with experience, skills, and geographic location.
Schedule: Wednesday - Sunday
To thrive in this role, you’ll be comfortable taking ownership of the following responsibilities:
- Assists with client accounts set up, project implementation, login, storage, and verification of client samples; verifies chains of custody and notifies client of discrepancies
- Reviews client protocols and verifies the project account is set up accordingly
- Coordinates with clients and labs for bottle orders, sample delivery schedules, status of data and reports, exceedance notifications to clients, login updates and other project management related tasks
- Creates and puts together field sampling and sample bottle order kits, reviews work order tickets and sends client sample receipt confirmation as well as confirms sampling schedule with clients
- Coordinates with subcontract labs for sample delivery and project status and generates subcontract COCs
- Creates and sends reports to clients including review of data for trends or anomalies, if applicable as well as sends invoices to clients
- Works directly with project managers, group leaders, and clients
- General administrative project support such as keeping detailed project notes and records or organization and maintenance of project data files (quote, chain of custody, study plan/protocol, lab instructions, etc.)
- Manages small and simple project accounts
- Maintains and monitors project plans and schedule (sample pulls, delivery, and available sample inventory)
- Assists with project tracking and interlaboratory communication
- Generates and submits state reporting forms
- Assists Sample Receiving team with deliveries and drop offs as needed
- Ability to work within the LIMS and create/edit EDDs
- Participate in client calls and meetings
- Other duties as assigned
Your Expertise and Skills
These requirements reflect the knowledge, skills and abilities that help you do your best work here.
- BS/BA in an analytical science or equivalent experience in analytical/environmental laboratory
- Proficient in Microsoft Suite: Excel, Word, PowerPoint, etc.
- Highly motivated and self-starter
- Excellent verbal and written communication at all levels of the organization
- Flexible schedule including overtime as needed
- Able to multi-task under strict deadlines
- PMA experience is preferred but not required
Preferred Skills
- Knowledge of analytical methods, data evaluations, and customer services
- Able to work collaboratively to analyze problems, then take charge and implement solutions
- Able to work independently and manage multiple responsibilities (i.e., self-starter, self-motivated)
- Ability to interface with cross-functional teams and all levels of personnel/management
- Strong problem solving and analytical skills
- Solid organization and time/project management skills
- English language competency
Work Environment and Physical Requirements
The physical and environmental requirements below reflect what’s typically needed to perform the essential functions of this role safely and effectively. We may provide reasonable accommodations to qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions.
- Availability to work Wednesday - Sunday, and holidays as needed
- Sitting, standing, and walking
- Work onsite in an office and/or laboratory environment
- Lifting and carrying supplies, materials, files, or equipment up to 25 lbs
Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients’ resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.
We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.