Marcus Holzer
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Marcus Holzer Email & Phone Number

Retired at None
Location: Chino Hills, California, United States 9 work roles 2 schools
1 work email found @amtexsystems.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email m****@amtexsystems.com
LinkedIn Profile matched
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Current company
Role
Retired
Location
Chino Hills, California, United States
Company size

Who is Marcus Holzer? Overview

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Quick answer

Marcus Holzer is listed as Retired based in Chino Hills, California, United States. AeroLeads shows a work email signal at amtexsystems.com and a matched LinkedIn profile for Marcus Holzer.

Marcus Holzer previously worked as Support Analyst at Business Telecommunications Systems, Inc. and IT Manager at Amtex. Marcus Holzer holds 3 Yrs Continuing Education, Accounting And Computer Science from California State University, Northridge.

Company email context

Email format at None

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{first}@amtexsystems.com
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AeroLeads found 1 current-domain work email signal for Marcus Holzer. Compare company email patterns before reaching out.

Profile bio

About Marcus Holzer

Defining and managing projectsCloud StorageCloud BackupSOC 1 Type II (SSAE 16) ExperienceInfor SX.eERP Systems ConversionsDocumentationEvaluating new IT solutionsInternational Corporate EnvironmentCorporate BudgetingSkype For BusinessMicrosoft Office Suite 2016/Office 365Warehouse Management Cabling/Wireless InfrastructureTelecommunications (Telephone & Data Services)Interfacing with Trading Partners and End-UsersWindows 2008 R2/2012 R2/2016 ServerExchange Server 2003/2010Some Red Hat LinuxFirewall/Web Protection ManagementSemi Bi-lingual (English-Spanish-Business Level)

Listed skills include Erp, Business Process, Networking, Management, and 46 others.

Current workplace

Marcus Holzer's current company

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None
None
Retired
Employees
4480
AeroLeads page
9 roles

Marcus Holzer work experience

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

Retired

Current

Chino Hills, California, United States

Apr 2023 - Present

It Manager

Amtex

San Bernardino, Ca

Mar 2018 - Oct 2022

It Specialist

Presbia

United States

Support Help Desk Ticket, investigation and escalation.• Building, installing, maintaining and troubleshooting Windows desktops, laptops, and servers.• Provide maintenance and upgrades to Presbia network infrastructure.• Under the direction of the Director of IT, would support the ERP (Enterprise Resource Planning) implementations and training related activities.• Provide User account administration by adding, modifying or deactivating email, passwords, security, ERP systems… Show more Support Help Desk Ticket, investigation and escalation.• Building, installing, maintaining and troubleshooting Windows desktops, laptops, and servers.• Provide maintenance and upgrades to Presbia network infrastructure.• Under the direction of the Director of IT, would support the ERP (Enterprise Resource Planning) implementations and training related activities.• Provide User account administration by adding, modifying or deactivating email, passwords, security, ERP systems, file servers, computers and other IT-related systems/hardware. • Under the direction of the Director if IT, would handle basic requests for debugging of system applications..• Provide support to users (systems, phones, email, printers, etc.)• Install & maintain 3rd party software & licensing.• Under the supervision, is responsible for the analysis and solution for basic hardware & software problems.• Under the direction of the Director of IT, conducts daily & weekly preventative maintenance procedures for IT network Show less

May 2015 - Dec 2017

Network Administrator

United States

• Manage all aspects of data network.• Manage Active Directory forest.• Manage Data Backups.• Manage telecommunications network.• Ensure network is secure.• Maintain hardware using minimalistic paradigm to reduce costs.• Support 80 users in computing network.• Maintain network infrastructure using FastIron Networking hardware including wireless offering.• Manage remote location web server using CPANEL.• Maintain Internet-Facing DNS SOA server.• Manage… Show more • Manage all aspects of data network.• Manage Active Directory forest.• Manage Data Backups.• Manage telecommunications network.• Ensure network is secure.• Maintain hardware using minimalistic paradigm to reduce costs.• Support 80 users in computing network.• Maintain network infrastructure using FastIron Networking hardware including wireless offering.• Manage remote location web server using CPANEL.• Maintain Internet-Facing DNS SOA server.• Manage local Exchange Server 2007.• Evaluated phone expenditure and redefined phone carrier services saving $60,000 per year in expense. Show less

Jan 2014 - May 2015

Director Of Information Technology

City Of Industry

" Ensure Service Level of IT services in excess of 99.999% up time." Go-to for all aspects of ERP functionality." Provide detailed and summary sales, inventory and expense reporting to management." Provide data security and disaster recovery scenarios." Minimize budget spend while maximizing utility to the user community." Liaison between management and vendors." Provide local, remote and new technology services, including several new mobile technologies." Oversight… Show more " Ensure Service Level of IT services in excess of 99.999% up time." Go-to for all aspects of ERP functionality." Provide detailed and summary sales, inventory and expense reporting to management." Provide data security and disaster recovery scenarios." Minimize budget spend while maximizing utility to the user community." Liaison between management and vendors." Provide local, remote and new technology services, including several new mobile technologies." Oversight and management of building security using latest technology electronic technologies." Manage and maintain connectivity between multiple sites using lowest cost alternatives." Assist senior management with contract interpretation and negotiation with various services vendors." Manage EDI connections to customers." Provide automation of various data loading tasks, reducing man-power requirements." Oversight of various building functions, including construction projects, alarm systems and fire suppression." Ensure data integrity by defining process and procedure for various departments focusing on inventory and sales data." Implemented 2 versions of WMS, latest being TWL by Infor. Show less

May 2010 - May 2014

It Services Supervisor

• Document and ensure the quality of business processes.• Built and managed server farm of Windows2003 Servers including Exchange Server 2003.• Developing spot applications to facilitate delivery of business processes to the company using Visual Basic, SAP ABAP, Scripting, and other programming languages and tools.• Developing and managing EDI communication with trading partners interfacing SAP to Sterling Commerce Managed Services EDI.• Monitor and control IT services… Show more • Document and ensure the quality of business processes.• Built and managed server farm of Windows2003 Servers including Exchange Server 2003.• Developing spot applications to facilitate delivery of business processes to the company using Visual Basic, SAP ABAP, Scripting, and other programming languages and tools.• Developing and managing EDI communication with trading partners interfacing SAP to Sterling Commerce Managed Services EDI.• Monitor and control IT services costs.• Manage projects involving multi-vendor solutions.• Act as technical advisor to our outsourcing partners, local resources and users.• Managing telecom system utilizing Nortel BCM 400 management tools.• Managed all aspects of telecommunications including cost management and implementation, including T1s, PRIs, POTs service and VOiP.• Designing multi-business unit LANs, WANs, secured wireless, firewall implementation (Checkpoint, Cisco)• Leveraged self-taught command of business-level Spanish in order to coordinate services and manage projects involving multi-national networks.• Manage projects involving multi-vendor solutions.• Ensure the quality of the technical solutions provided by our outsourcing partners.• Developed newScale RequestCenter applications for shared services corporate consolidation.• Ensure that business units are realizing timely problem resolution. Show less

Dec 2003 - Dec 2009

Sr. It Manager

Managed staff of 4 providing Networking Services to end-users.Designed and installed network infrastructure.Installation of switches, routers and firewalls.Designed and installed Windows2003 Server, Novell Netware and Linux network solutions.Installed both hardware and software providing turnkey solutions to customers.Set up customers with Internet services including ordering of Domain Names, defining proper DNS records, including MX, A, PTR, etc.Designed and installed… Show more Managed staff of 4 providing Networking Services to end-users.Designed and installed network infrastructure.Installation of switches, routers and firewalls.Designed and installed Windows2003 Server, Novell Netware and Linux network solutions.Installed both hardware and software providing turnkey solutions to customers.Set up customers with Internet services including ordering of Domain Names, defining proper DNS records, including MX, A, PTR, etc.Designed and installed cable infrastructure including cable pull, installation of MDF, IDF and termination.Defined best practice IT Strategies for companies new to networking. Show less

Mar 1990 - Nov 2003
2 education records

Marcus Holzer education

Aviation Tech, Aviation

Northrop University
FAQ

Frequently asked questions about Marcus Holzer

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

What is Marcus Holzer's role at their current company?

Marcus Holzer is listed as Retired.

What is Marcus Holzer's email address?

AeroLeads has found 1 work email signal at @amtexsystems.com for Marcus Holzer.

Where is Marcus Holzer based?

Marcus Holzer is based in Chino Hills, California, United States.

What companies has Marcus Holzer worked for?

Marcus Holzer has worked for Business Telecommunications Systems, Inc., Amtex, American Tex-Chem Corporation, Presbia, and Cal Spas.

How can I contact Marcus Holzer?

You can use AeroLeads to view verified contact signals for Marcus Holzer, including work email, phone, and LinkedIn data when available.

What schools did Marcus Holzer attend?

Marcus Holzer holds 3 Yrs Continuing Education, Accounting And Computer Science from California State University, Northridge.

What skills is Marcus Holzer known for?

Marcus Holzer is listed with skills including Erp, Business Process, Networking, Management, Leadership, Telecommunications, Security, and Project Management.

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