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Joshua A.

Joshua A.

Expert in Linux, VoIP, LDAP, and Email Server Optimization

With two decades of hands-on experience in Linux environments and a specialization in Debian-based systems, I offer expert consulting services aimed at enhancing operational efficiency, securing systems, and ensuring your IT infrastructure adheres to the highest standards of reliability. Core Consulting Services: * System/Server Administration: Manage critical infrastructure across global deployments, with proven experience serving Fortune 500 companies across North America, Asia, and Europe. * VoIP Solutions: Design and implement custom Asterisk-based systems, including cutting-edge integrations with AI/ML services for text-to-speech, speech-to-text, and large language models. * API Integration & Backend Development: Create robust backend systems integrating modern cloud services like Twilio for SMS/email gateway functionality, custom AGI scripts, and advanced telephony solutions. * Remote Infrastructure Management: Provide expert remote administration across multiple time zones, with experience managing systems in the US, China, Japan, the Netherlands, and Australia. Specialized Expertise: * Global Systems Architecture: Design and implement solutions that work across international boundaries, considering regional compliance requirements and technical constraints. * Modern VoIP Integration: Develop custom telephony solutions that leverage artificial intelligence and machine learning capabilities, bridging traditional VoIP systems with next-generation technologies. * Cross-Platform Communication: Build reliable backend systems that integrate multiple communication channels (voice, SMS, MMS) with enterprise-grade reliability. * Time-Zone Optimized Operations: Maintain high system availability across multiple time zones with proven experience in 24/7 global operations. Get in Touch Elevate your systems and security with expert guidance. Contact me for a detailed consultation and discover how your business can benefit from my specialized expertise.

🇺🇸Chicago, United States$150/hr100% JSS4.29 (15)Since Dec 2023

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#50,400 / 412k
🇺🇸Country#9,811 / 62.1k
Revenue, last 30 days
$0
Total earnings
$79k

Billed in all: $83k

World#50,400 / 412k
🇺🇸Country#9,811 / 62.1k
Per project
$3.3k
Projects, last 6 months
0
World#209,850 / 412k
🇺🇸Country#27,405 / 62.1k
Projects in all
24

Across 33 contracts

39% fixed61% hourly
World#116,630 / 412k
🇺🇸Country#17,080 / 62.1k

Earnings, last 30 days

$83.3kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$82k$83k$84k$85kOct 8Oct 23Nov 7

Skills