Nelson Ahrens, GISP
GIS Analyst at Arora Engineers, Inc.- Claim this Profile
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Bio
Credentials
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Private Pilot's License
FAAJun, 1999- Nov, 2024 -
Certified Geographic Information Systems Professional (GISP)
GIS Certification Institute (GISCI)Apr, 2008- Nov, 2024
Experience
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Arora Engineers
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United States
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Design Services
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100 - 200 Employee
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GIS Analyst
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Jan 2022 - Present
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Mecklenburg County
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United States
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Government Administration
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700 & Above Employee
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GIS Technician
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Dec 2015 - Dec 2021
• Create and maintain features in Mecklenburg County’s street centerline database • Created ArcGIS Online web application to track status of subdivision development • Coordinate centerline changes with all data stakeholders (i.e. Police, Fire, Medic, and CDOT). • Troubleshoot orphan addresses and overlapping address ranges • QC with ESRI’s Data Reviewer extension • Convert CAD from preliminary plan drawings into centerline and parcel features in GIS • Analyze land deeds from the Register of Deeds for accuracy. • Enter deeds into the County's Land Records database • Conducts research on legal descriptions, property ownership Land deed processing • Updated to the census address database (added over 9,000 new census addresses for the 2020 census)
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UPS Freight
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Truck Transportation
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700 & Above Employee
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Package loader for airplane containers and airplanes
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May 2019 - Sep 2021
• Unload trucks and load airplane containers • Directly load 757 • Provide escort • Facilitate airplane fueling • Unload trucks and load airplane containers • Directly load 757 • Provide escort • Facilitate airplane fueling
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York County, South Carolina
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United States
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Government Administration
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200 - 300 Employee
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GIS Analyst/Programmer
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Jan 2009 - Dec 2015
Assisted the GIS Administrator in the creation and maintenance of GIS web pages used by county employees and the public. Involved in many aspects of GIS automation, GIS/IT maintenance, and map creation. General responsibilities and accomplishments includes: • Web development as well as customization of Geocortex Essentials (third party GIS web software - COTS) • Created the 'Easy Search' ASP.Net web application – the county’s main portal to GIS searches and applications (from Fall 2009 to Spring 2015) • Created and maintained targeted, ArcGIS Server websites for county employees to maintain their data • Provide customer support to county employees and the public with regards to use of GIS web pages • SSRS report creation and maintenance for CityWorks. Reports include inspection reports for Environmental Compliance, Engineering - Water division, Engineering - Transportation division, • Won Best Report Writing Award from Cityworks at their 2012 conference (report competition) • Created automated (emailed), SSRS reports using SQL database triggers activated by the creation of Cityworks WorkOrders (in the office or on mobile devices) • Assisted in the administration of the Cityworks database (domain of users and user permissions) • Maintain GIS servers with regular updates and restarts. • Install, and troubleshoot ArcGIS software for all desktop users. • Maps for court exhibits for the Solicitors’ department • Maps and map templates for the Voter Registration and Elections’ department • Political boundary maps
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GIS/CAD Manager for LAX Project
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Sep 2008 - Oct 2008
• Managed the workflow analysis and system design team for the proposed enterprise GIS system • Managed the workflow analysis and system design team for the proposed enterprise GIS system
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Charlotte Douglas International Airport
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Airlines and Aviation
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200 - 300 Employee
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GIS/CAD Manager
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Jan 1994 - Jul 2008
GIS MANAGEMENT: • Created and maintained the GIS database • Install, configure and maintain ArcIMS, ArcGIS Server, and ArcMap • Created and maintained GIS data of existing and proposed infrastructure including cadastral, airfield pavement, buildings, roads, wetlands, security fence and doors, intermodal development, and zoning • Represent the Airport to other city departments, for public hearings, and the FAA GIS Web Pages and Web Development: Enterprise GIS web applications created and customized using ArcIMS, and ArcGIS Server • Terminal Wireless System • Airfield Pavement History • ALP • Wetlands • Airfield Signage • Terminal Building Security Access • Airport Property and Master Plan Land • Airfield Lighting GIS Map Documents: • 2008, FAA approved ALP (complete 17 page document developed completely in GIS) • Wetlands Permit Application for proposed 3rd parallel runway EIS • Airfield Signage and Marking – FAA approved for 2008 airfield inspection Other map documents frequently produced: • Noise Contours • Airport Property • Part 77 Airspace • Lease Agreements • Road Relocation Projects • Proposed Intermodal Site • Airport Property Rezoning • City Counsel Presentations • Eminent Domain Litigation • Airport Certification Manual • Proposed 3rd Parallel Runway GIS Analyses: • Part 77 Airspace modeling and 7460 analyses (3D Analyst) • Noise Overlay District analysis and exhibit for City Council and County Commissioners • Runway impact on wetlands for E.I.S. • Development of airspace height restriction raster/web page (3D Analyst and raster math) CAD Management: • Installed, configured, and maintained AutoCad • Developed digital specifications for internal and external QA/QC • Prepared long range and annual, needs analysis and budget for hardware and software • Created cadastral database consisting of all airport and vicinity parcels (30,000 parcels)
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Centex Homes
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United States
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Real Estate
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700 & Above Employee
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CAD System Coordinator
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Jan 1993 - Dec 1993
• Produced complete residential working drawings • Coordinated CAD (AutoCAD) drawings with architects, engineers, field superintendents, and vendors • Optimized CAD system by writing LISP routines, batch files, and abbreviated commands. • Produced complete residential working drawings • Coordinated CAD (AutoCAD) drawings with architects, engineers, field superintendents, and vendors • Optimized CAD system by writing LISP routines, batch files, and abbreviated commands.
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Halfen Anchoring Systems
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Charlotte, North Carolina Area
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Design Engineer and CAD Coordinator
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Jul 1990 - Oct 1992
Engineering Experience: • Designed facade wall anchors and masonry lintels requiring application of A.I.S.C. steel formulas (A.S.D./L.R.F.D.), A.C.I. formulas for concrete strength, and product test results • Calculated formulas in S.I. and imperial units • Represented company to clients and testing consultants CAD Skills: • Purchased, configured, implemented, and maintained CAD system hardware and software • Produced manufacturing drawings, conceptual drawings, sales brochures, technical instructions, and a Q.A. manual • Created CAD software package for customers and composed documentation
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Education
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University of North Carolina at Charlotte
Bachelor's degree, Civil Engineering Technology/Technician -
Central Piedmont Community College
Associate of Arts and Sciences - AAS, Geographic Information Science and Cartography -
Central Piedmont Community College
Associate of Arts and Sciences - AAS, Information Technology