Mike Onzay, Dtm, Gisp
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Mike Onzay, Dtm, Gisp Email & Phone Number

GIS Asset Data Manager at City of Rockville
Location: Rockville, Maryland, United States 10 work roles 3 schools
1 work email found @rockvillemd.gov 1 phone found area 301 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email m****@rockvillemd.gov
Direct phone (301) ***-****
LinkedIn Profile matched
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Current company
City of Rockville
Role
GIS Asset Data Manager
Location
Rockville, Maryland, United States
Company size
408 employees

Who is Mike Onzay, Dtm, Gisp? Overview

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Quick answer

Mike Onzay, Dtm, Gisp is listed as GIS Asset Data Manager at City of Rockville, a with 408 employees, based in Rockville, Maryland, United States. AeroLeads shows a work email signal at rockvillemd.gov, phone signal with area code 301, and a matched LinkedIn profile for Mike Onzay, Dtm, Gisp.

Mike Onzay, Dtm, Gisp previously worked as GIS Specialist at City Of Rockville and GIS Specialist (on site at NOAA) at Earth Resources Technology. Mike Onzay, Dtm, Gisp holds M.S., Geography from University Of Idaho.

Company email context

Email format at City of Rockville

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*@rockvillemd.gov
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AeroLeads found 1 current-domain work email signal for Mike Onzay, Dtm, Gisp. Compare company email patterns before reaching out.

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Profile bio

About Mike Onzay, Dtm, Gisp

GIS professional with over 25 years of experience in Federal, County and City government. Created an enterprise GIS program from the ground up for the City of Mercer Island in Washington State. Broad experience in all aspects of GIS including implementation, administration, project management, GIS database design, data collection and maintenance, cartography, data conversion and GIS web development.Always interested in helping people to make better decisions through the power of maps.Specialties: Geographic Information Systems, ArcGIS, project management, database design, geodatabases, cartography, web GIS.

Listed skills include Arcgis, Cartography, Gis, Geodatabase, and 11 others.

Current workplace

Mike Onzay, Dtm, Gisp's current company

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City of Rockville
City Of Rockville
GIS Asset Data Manager
united states
Website
rockvillemd.gov
Employees
408
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Company profile
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10 roles

Mike Onzay, Dtm, Gisp work experience

A career timeline built from the work history available for this profile.

Gis Specialist

City Of Rockville

Rockville, Md

Provide GIS support and services for the Department of Public Works (Engineering, Traffic/Transportation, Environmental Management, Operations and Maintenance). Everything from database administration to data maintenance; from making maps to project management; from python scripting to ArcGIS Online for Organizations to whatever else comes up.

Gis Specialist (On Site At Noaa)

Earth Resources Technology

Silver Spring, Md

Provide Geographic Information System (GIS) support and services to all staff of the Habitat Protection Division in the Office of Habitat Conservation at NOAA Fisheries. Maintain Essential Fish Habitat mapper http://www.habitat.noaa.gov/protection/efh/efhmapper/index.html

Apr 2013 - May 2013

Gis Specialist (On Site At Noaa)

I.M. Systems Group

Silver Spring, Md

Provided Geographic Information System (GIS) support and services to all staff of the Habitat Protection Division in the Office of Habitat Conservation at NOAA Fisheries. Created and maintained Essential Fish Habitat mapper http://www.habitat.noaa.gov/protection/efh/efhmapper/index.html

May 2009 - Mar 2013

Principal Associate

C2Logix

Rockville, Md

Providing GIS-related consulting services to government clients for system architecture, design, and mapping. Applications used are ArcGIS 9.3 and Google Earth

Jan 2009 - Apr 2009

Gis Coordinator

City Of Mercer Island

Mercer Island, Wa

Served as GIS Coordinator. Envisioned, planned, designed, and implemented an enterprise GIS for the city, although it had no prior GIS program, administrative foundation, or technical resources. Transitioned from creating and maintaining maps by hand to digital procedures, resulting in savings conservatively estimated at tens of thousands of dollars each year. GIS is now an integral tool in the daily business processes of the city.

Oct 1997 - Sep 2008

Gis Analyst

King County Parks & Recreation

Greater Seattle Area

Implemented first ever “County Park, Trails and Recreation” map book on internet (1997) using Adobe PDF; Served as one of 2 GIS Analysts for a parks system comprised of 180 parks, 175 miles of trails, and 25,000 acres; Conducted mapping and analysis of park projects in support of various staff members in planning, enforcement, acquisition, publications, and management of park resources; Helped inventory GPS park features using Trimble Pro XR GPS system, Pathfinder Office, and ArcView 3.2.

Feb 1996 - Oct 1997

Gis Analyst

King County

Greater Seattle Area

Participated in multidisciplinary team researching, compiling, and quality checking legacy source materials for property (parcel) and transportation (street network) data layers for a $6+ million countywide GIS project; Helped provide key input products for actual automation of foundation enterprise data layers required and funded by ten major county stakeholder departments.

Sep 1994 - Feb 1996

Gis / Cad Technician

Holladay Engineering

Payette, Id

Used AutoCAD and coordinate geometry (COGO) to input thousands of property (parcel) measurements from survey plans for Canyon County, Idaho, a 604 square mile county in southwest Idaho.

May 1993 - Aug 1994

Cartographer

Nga

Greater St. Louis Area

Coloring maps and ADRG scanning

Apr 1989 - Jul 1990
Team & coworkers

Colleagues at City of Rockville

Other employees you can reach at rockvillemd.gov. View company contacts for 408 employees →

MH Mary Heckhaus Mary Heckhaus Colleague at City Of RockvilleGermantown, Maryland, United States View → SU Scott Ullery Scott Ullery Colleague at City Of RockvilleRockville, Maryland, United States View → AM Angel Maldonado Sr Angel Maldonado Sr Colleague at City Of RockvilleRockville, Maryland, United States View → ET Elisa Taylor Elisa Taylor Colleague at City Of RockvilleRockville, Maryland, United States View → MC Mike Critzer, Cpsi Mike Critzer, Cpsi Colleague at City Of RockvilleRockville, Maryland, United States View → MF Mary Fleisher Mary Fleisher Colleague at City Of RockvilleRockville, Maryland, United States View → TW Tatum Walker Tatum Walker Colleague at City Of RockvilleGaithersburg, Maryland, United States View → MC May Chen May Chen Colleague at City Of RockvilleUnited States View → CY Carl Young Carl Young Colleague at City Of RockvilleFrederick, Maryland, United States View → DM Deane Mellander Deane Mellander Colleague at City Of RockvilleRockville, Maryland, United States View →
3 education records

Mike Onzay, Dtm, Gisp education

M.S., Geography

University Of Idaho

Activities and Societies: Cartography/Geography ClubThesis title: "Modelling Electronic Mail Information Flow" - a look a how this new.

Certificate, Sql Server

University Of Washington

Courses included: Essential Tools and Concepts; Database Development; SQL Server Administration. Courses taught by Microsoft employees.

FAQ

Frequently asked questions about Mike Onzay, Dtm, Gisp

Quick answers generated from the profile data available on this page.

What company does Mike Onzay, Dtm, Gisp work for?

Mike Onzay, Dtm, Gisp works for City of Rockville.

What is Mike Onzay, Dtm, Gisp's role at City of Rockville?

Mike Onzay, Dtm, Gisp is listed as GIS Asset Data Manager at City of Rockville.

What is Mike Onzay, Dtm, Gisp's email address?

AeroLeads has found 1 work email signal at @rockvillemd.gov for Mike Onzay, Dtm, Gisp at City of Rockville.

What is Mike Onzay, Dtm, Gisp's phone number?

AeroLeads has found 1 phone signal(s) with area code 301 for Mike Onzay, Dtm, Gisp at City of Rockville.

Where is Mike Onzay, Dtm, Gisp based?

Mike Onzay, Dtm, Gisp is based in Rockville, Maryland, United States while working with City of Rockville.

What companies has Mike Onzay, Dtm, Gisp worked for?

Mike Onzay, Dtm, Gisp has worked for City Of Rockville, Earth Resources Technology, I.M. Systems Group, C2Logix, and City Of Mercer Island.

Who are Mike Onzay, Dtm, Gisp's colleagues at City of Rockville?

Mike Onzay, Dtm, Gisp's colleagues at City of Rockville include Mary Heckhaus, Scott Ullery, Angel Maldonado Sr, Elisa Taylor, and Mike Critzer, Cpsi.

How can I contact Mike Onzay, Dtm, Gisp?

You can use AeroLeads to view verified contact signals for Mike Onzay, Dtm, Gisp at City of Rockville, including work email, phone, and LinkedIn data when available.

What schools did Mike Onzay, Dtm, Gisp attend?

Mike Onzay, Dtm, Gisp holds M.S., Geography from University Of Idaho.

What skills is Mike Onzay, Dtm, Gisp known for?

Mike Onzay, Dtm, Gisp is listed with skills including Arcgis, Cartography, Gis, Geodatabase, Gps, Arccatalog, Web Development, and Html.

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