An image of Downtown Long Beach with the words "Welcome to the Citadel Family! Mathew Coryell. Staff Level Engineer for Engineering and Environmental Sciences." A picture of Mathew in the top left hand corner, and the Citadel EHS logo in the bottom lefthand corner.
Welcome to the Citadel Family! Mathew Coryell. Staff Level Engineer for Engineering and Environmental Sciences.

At Citadel EHS we see every new employee as an extension of the Citadel EHS family. Our commitment to our employees goes beyond a paycheck. We care about their safety, wellbeing, and financial success. We nurture a culture that empowers our employees, because they are integral to our success. Citadel EHS continues to expand our staff and capabilities to meet the needs of our clients. Mathew Coryell is coming in as our newest Staff Level Engineer to provide much needed support for our Engineering and Environmental Sciences (EES) practice line, headed by our principals Mark Drollinger and Nalinna Rasu.

Mathew Coryell is a proud employee owner and Staff Level Engineer at Citadel EHS. Mr. Coryell has worked on the Dixie/Caldor Fire Remediation project collecting soil samples to make sure that the sites were safe for the community to return to. All of these experiences add to Mathew’s unique qualification and value that he brings to the Citadel team.
Mr. Coryell will be located in our Long Beach office to allow us to more strongly support our clients in that region.
We hope you will join us in welcoming Mathew aboard!
In addition to welcoming on Mathew– Citadel EHS is still HIRING! We are looking for civil engineers, senior project assistants, and many more positions to be filled! We also accept resumes on a rolling basis.  Please submit your resume to our HR specialist Shannon Mateik at: [email protected]
Citadel has top of the line benefits including health, dental and vision insurance, basis life  and AD&D insurance, an employee stock ownership plan (ESOP) and a 401(K) plan. This is accompanied by company sick leave and vacation time, as well as employee assistance programs and work/life services. Citadel also offers employees a Short-Term Incentive Plan (STIP), a Tuition Assistance Program, a Reward & Recognition Program, and Training and Professional Development.

Connect with us on social media

for the latest news, events, and announcements.

We use cookies to give you the best possible experience on our website. By continuing to use this website, you agree we can save them on your device. We remember your website preferences about your site visit, but our cookies don’t collect personal information. Learn More