Is E3R, Inc. hiring right now?

E3R, Inc. has no open roles listed as of October 23, 2026. Roles appear here as soon as they are posted on E3R, Inc.'s careers site.

Where is E3R, Inc. headquartered?

E3R, Inc. is headquartered in San Diego, CA, United States and was founded in 2011.

Mark Tierney, Owner and President, is at the top of E3R, Inc.'s org chart.

How do I apply for a job at E3R, Inc.?

Pick a role on E3R, Inc.'s TheJobsMap page and select Apply. Every listing links to the original posting on E3R, Inc.'s own careers site, so you apply directly with the employer.

E3R, Inc. jobs and careers

San Diego, CA, United States

As of October 23, 2026, E3R, Inc. has no open roles listed.

e3rinc.com LinkedIn

About E3R, Inc.

E3R is a service-disabled veteran-owned small business that provides engineering and program management services to the department of defense and department of homeland security.

Founded in 2011 by Mark Tierney.

Business Development IT Services Project Management Software Engineering Information Technology Software Technical Support

Founded: 2011
Employees: 125
Headquarters: San Diego

Leadership

The top of E3R, Inc.'s org chart, with how many people report into each leader.

Mark Tierney

Owner and President

21 reports

Lorraine Banner

Vice President & Chief Business, Administration & Financial Officer

17 reports

Jordan Garcia

Senior System Engineer

2 reports

Jobs at E3R, Inc.

No open positions right now. Explore more companies on TheJobsMap.

E3R, Inc. jobs: common questions

Is E3R, Inc. hiring right now?: E3R, Inc. has no open roles listed as of October 23, 2026. Roles appear here as soon as they are posted on E3R, Inc.'s careers site.
Where is E3R, Inc. headquartered?: E3R, Inc. is headquartered in San Diego, CA, United States and was founded in 2011.
Who leads E3R, Inc.?: Mark Tierney, Owner and President, is at the top of E3R, Inc.'s org chart.
How do I apply for a job at E3R, Inc.?: Pick a role on E3R, Inc.'s TheJobsMap page and select Apply. Every listing links to the original posting on E3R, Inc.'s own careers site, so you apply directly with the employer.