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CallTek Tech Stack

Global white-label MSP delivering 24/7 technical support and field service

IT Services and IT Consulting Irvine, California 5,001–10,000 employees Founded 2004 Privately Held

CallTek operates as a Managed Service Provider managing infrastructure for over 10,000 enterprise and service-provider customers across 35,000 zip codes. The tech stack reflects a mature MSP footprint: Cisco, Fortinet, Ruckus, and Aruba for networking; AWS and GCP for cloud; ConnectWise and Fieldglass for service delivery; Verint and Bullhorn for workforce optimization. Hiring is overwhelmingly concentrated in support and operations roles (65 of 101 active roles), with minimal engineering expansion, indicating a labor-arbitrage and scaling-existing-delivery model rather than platform innovation.

Tech Stack 57 technologies

Core StackAutoCAD SketchUp Cisco Fortinet Smartsheet AWS Linux ETAP Ruckus TikTok TikTok Shop ITIL 4 Mitel MiVoice Business Windows Microsoft 365 ITIL Prism Excel Microsoft Office LinkedIn Aruba HPE Ubuntu Fieldglass Bullhorn Word Verint GCP CompTIA ConnectWise+27 more

What CallTek Is Building

◆Challenges

Network upgrades and migrations
Maintaining high network availability
Last minute scheduling changes
High volume scheduling requests
Minimizing service disruptions
Ensuring network uptime
Training needs and skill gaps
Extended outages impacting practice performance
Cost-saving initiatives
Complex networking challenges

▲Active Projects

Implementation of new technology solutions for clients
Substation physical layout design
Circuit cutovers
Pms portal page functionalities
Wifi surveys
New computer projects and hardware installations
Network performance reporting
Implementing new technology solutions and upgrades
Assessing client it infrastructures
Documenting service requests

Hiring Activity

Minimal100 roles · 8 in 30d

Department

Support

51

Ops

14

HR

13

Engineering

12

Healthcare

4

Operations

3

Marketing

1

Sales

1

Seniority

Mid

64

Junior

25

Senior

6

Manager

3

Lead

1

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About CallTek

CallTek is a privately held Managed Service Provider founded in 2004 and headquartered in Irvine, California. The company operates a 24/7 global support delivery network across nine countries, servicing technology operators and service providers. Core offerings include technical support, software development, field service (including certified wireless surveys), and customer support. The customer base spans building management (20,000+ facilities) and enterprise networking (1+ million appliances). CallTek emphasizes security and compliance, holding PCI-DSS, ISO 27001, SOC 2, and GDPR certifications. The company has developed proprietary platforms including Odyssey CX, an AI- and NLP-powered customer insight tool.

HeadquartersIrvine, California

Company Size5,001–10,000 employees

Founded2004

Hiring MarketsUnited States, Philippines, Honduras, Panama, Guatemala, Dominican Republic, Costa Rica, Andorra

Frequently Asked Questions

What tech stack does CallTek use?

Primary tools: Cisco, Fortinet, Ruckus, and Aruba for networking infrastructure; AWS and GCP for cloud; ConnectWise and Fieldglass for service delivery; Verint for quality; Bullhorn for staffing; Microsoft 365 and Office for productivity.

What countries does CallTek have offices in?

Nine countries: United States, Dominican Republic, Colombia, Egypt, Guatemala, Honduras, India, Mexico, and the Philippines. Active hiring spans 14 countries including the U.S., Latin America, and Asia.