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Avatar Pengguna
$85 USD / jam
Bendera UNITED STATES
johns island, united states
$85 USD / jam
Sekarang jam 3:34 PTG di sini
Menyertai Julai 9, 2010
0 Syor

Joshua A.

@cybiko123

verified.svg
5.0 (1 ulasan)
3.3
3.3
100%
100%
$85 USD / jam
Bendera UNITED STATES
johns island, united states
$85 USD / jam
100%
Pekerjaan Disiapkan
100%
Mengikut Bajet
100%
Tepat Pada Masa
N/A
Kadar Upah Semula

Experienced Software Engineer & System Architect

With over a decade of experience in Linux environments and a focus on Debian-based systems, I bring a wealth of knowledge and hands-on experience to my consulting services. My goal is to enhance your operations, secure your systems, and ensure your IT infrastructure meets the highest standards of efficiency and reliability. Core Consulting Services Building on years of real-world experience, my core consulting services leverage deep technical expertise to deliver high availability, security, and performance for your IT infrastructure: * Extensive system/server administration, including critical infrastructure for Fortune 500 companies and start-ups. * Seamless server migrations and upgrades, minimizing downtime and ensuring continuity. * Provisioning of Xen-based virtualized servers for efficient, scalable infrastructure solutions. * Comprehensive firewall configuration and security hardening to thwart advanced threats. * Advanced configuration, programming, and tuning of Asterisk-based VoIP systems for optimal performance. * Extensive LDAP integration services, showcasing successful deployments across diverse environments, enhancing security and operational efficiency. * Expert configuration and management of email servers leveraging Postfix, Dovecot, and advanced filtering with Sieve/Amavis/SpamAssassin to ensure robust, secure, and efficient email delivery. * Proven track record of maintaining pristine IP reputation across major and minor email providers, underpinned by meticulous SPF, DKIM, and DMARC record management. Get in Touch If you're ready to elevate your systems and security, I'm here to help. Contact me for a consultation to explore how my expertise can benefit your business.

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Ulasan

Perubahan disimpan
Menunjukkan 1 - 1 daripada 1 ulasan
Tapis ulasan mengikut:
5.0
$450.00 USD
Josh was awesome. His knowledge of API, Twilio and 3cx voip. Is outstanding. He was the only one that solved all the programing.
PHP
JavaScript
Website Design
Software Architecture
HTML
T
Bendera Tom D.
@tommythunder
4 bulan yang lalu

Pengalaman

Principal Engineer

TechMaster Telecom/ClusterBlue/BingoBlue
Jan 2004 - Hari ini
* Developed custom server provisioning platform and PXE-based recovery environment * Spearheaded first-line support for multiple high-profile clients, gaining deep expertise into (and often designing/modifying) their proprietary software environments * Created tools to detect fraud and money laundering for a major financial institution * Created custom applications for routing, rating, and delivering voice, SMS, and MMS traffic for a VoIP provider

Field Technical Advisor

FIRST Illinois Robotics
Nov 2015 - Ogo 2019 (3 tahun, 9 bulan)
* Taught programming and robotics at schools and community organizations throughout Illinois * Worked competitions, typically as a Field Technical Advisor and Field Inspector

Summer Intern

Interbake Foods
Jun 2010 - Ogo 2010 (2 bulan, 2 hari)
* Designed new website for subsidiary Norse Dairy Systems * Developed modern tools to replace IBM WebSphere applications, saving the company over $20,000 per year in licensing fees

Pendidikan

Some College

University of Massachusetts at Lowell, United States 2022 - 2023
(1 tahun)

Some College

Worcester Polytechnic Institute, United States 2019 - 2021
(2 tahun)

Kelayakan

A+

CompTIA
2010
Issued: 08/21/2010 Expiration: N/A

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Pengesahan

Pekerja Bebas Pilihan
Identiti Disahkan
Pembayaran Disahkan
Telefon Disahkan
E-mel Disahkan
Facebook Dihubungkan

Pensijilan

us_eng_1.png US English 1 98%
html_1.png HTML 1 90%
Linux_Kernel_1.png Linux Kernel Programming 1 90%
dns-bind-1.png DNS & BIND 1 88%
php_1.png PHP 1 85%

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