Sr. Cybersecurity Engineer
Current
Feb 2020 - Present
AeroLeads people directory · profile
Tom Mostyn Email & Phone Number
Developer working in Cybersecurity
at
GM Financial
LinkedIn matched
✓ Verified Jun 2026
3 data sources
Profile completeness 100%
Current company
Role
Developer working in Cybersecurity
Location
Dallas-Fort Worth Metroplex, United States, United States
Who is Tom Mostyn? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Tom Mostyn is listed as Developer working in Cybersecurity at GM Financial, based in Dallas-Fort Worth Metroplex, United States, United States. AeroLeads shows a matched LinkedIn profile for Tom Mostyn.
Tom Mostyn previously worked as Sr. Cybersecurity Engineer at Gm Financial and Sr. Security Software Engineer at Zyston Llc. Tom Mostyn holds Bachelor Of Science, Computer Science from Texas A&M University.
Company email context
Email format at GM Financial
This section adds company-level context without repeating Tom Mostyn's masked contact details.
GM Financial
Review company-level records connected to Tom Mostyn before choosing the right outreach path.
Profile bio
About Tom Mostyn
Security conscious software designer with significant development experience as well as UC/VoIP penetration testing & SIEM engineering experience. Strong focus on analytical and problem solving skills developing complex application and systems level software. Experience performing all phases of software development cycle. Experience highlights:* Significant experience in C/C++ systems/application development* Python & REST API* MySQL/PostgreSQL* Linux/UNIX* PostgreSQL/MySQL experience* Open source development* TCP/IP sockets* Multithreaded programming* Object oriented design and programming* Excellent communication skills* ISO and CMM software processes* Shell scripting & CLI tools including sh, bash, sed, awk and Perl* Functional and design specification/documentation
Listed skills include Unix, Tcp/Ip, Object Oriented Design, Software Design, and 35 others.
Current workplace
Tom Mostyn's current company
Company context helps verify the profile and gives searchers a useful next step.
11 roles · 36 years
Tom Mostyn work experience
A career timeline built from the work history available for this profile.
Sr. Security Software Engineer
Sr. Security Software Engineer designing and implementing solutions for Zyston's Advisory and CTIC (Cyber Threat Intelligence Center) clients using Python, Node.js, React & MongoDB as well as assisting in penetration testing for Zyston clients.
May 2017 - Jan 2020
Sr. Software Engineer - Unified Enterprise Security
Sr. Software Engineer on Masergy's Unified Enterprise Security (UES) team. Developed host-based monitoring applications in C++ for Masergy's public cloud security offering using Boost and C++11/14 features.
Oct 2015 - Apr 2017
Viper Team Lead/Vulnerability Research Sr. Software Engineer
Took on technical leadership role as of mid-2013 leading various technical efforts. Lead software development of VoIP exploit research tools in C++, Python and Ruby. Acting lead for remote and onsite VoIP security assessment for external customers, as well as perform customer demonstrations in the VIPER Lab illustrating eavesdropping, denial-of-service.
Oct 2011 - Sep 2015
Viper Lab Vulnerability Research Software Engineer
Took on technical leadership role as of mid-2013 leading various technical efforts. Lead software development of VoIP exploit research tools in C++, Python and Ruby. Acting lead for remote and onsite VoIP security assessment for external customers, as well as perform customer demonstrations in the VIPER Lab illustrating eavesdropping, denial-of-service.
Nov 2010 - Sep 2015
Sr. Consultant
Apr 2009 - Sep 2010
Senior Member Of Scientific Staff
Network Management Platform Development - Integrate 3rd party software, Upsuite by CCPU, into platform as part of High Availability.CEM - Core Element Manager for GSM/UMTS/CDMA OAM
Dec 2005 - Feb 2009
Member Of Scientific Staff
Fixed WirelessUMTS/GSM Lawful InterceptionCore Element Manager
May 1997 - Nov 2005
Software Designer
Interpreter development in C for IqTalk; Smalltalk like interpreter used to execute high-level applications in multithreaded environment.
Oct 1994 - May 1997
Contractor
Jcpenney Advanced It (Innova Solutions)
Designed and Implemented middleware (C/C++ on OS/2 using TCP/IP) between custom e-mail client on PC and IBM Time and Place software on mainframe.
Apr 1994 - Oct 1994
Senior Software Engineer
Gardiner Communicatons
1990 - 1994
~4 yrs
2 education records
Tom Mostyn education
Bachelor Of Science, Computer Science
Texas A&M University
Education record
Reicher Catholic High School
FAQ
Frequently asked questions about Tom Mostyn
Quick answers generated from the profile data available on this page.
What company does Tom Mostyn work for?
Tom Mostyn works for GM Financial.
What is Tom Mostyn's role at GM Financial?
Tom Mostyn is listed as Developer working in Cybersecurity at GM Financial.
Where is Tom Mostyn based?
Tom Mostyn is based in Dallas-Fort Worth Metroplex, United States, United States while working with GM Financial.
What companies has Tom Mostyn worked for?
Tom Mostyn has worked for Gm Financial, Zyston Llc, Masergy, Avaya (Acquired Sipera), and Sipera Systems.
How can I contact Tom Mostyn?
You can use AeroLeads to view verified contact signals for Tom Mostyn at GM Financial, including work email, phone, and LinkedIn data when available.
What schools did Tom Mostyn attend?
Tom Mostyn holds Bachelor Of Science, Computer Science from Texas A&M University.
What skills is Tom Mostyn known for?
Tom Mostyn is listed with skills including Unix, Tcp/Ip, Object Oriented Design, Software Design, C++, Sip, Shell Scripting, and Software Engineering.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trial