Colin Mason Email & Phone Number

Toronto, On, Ca

Toronto, Canada Area

Senior Network Software Engineer at Gryphon Secure

Toronto, Canada Area

Design and architect modern VoIP platform to replace the current outdated platform. Migrate existing VoIP applications to new platform. Design and build Java based VoIP applications. Design and build SMS routing platform used for advertising.Architect and lead a team of developers through the process of modernizing our software release systems. Migrated software release systems from single server systems to redundant containerized (Docker) Azure cloud systems managed by Kubernetes.Create back-end services such as transcription engines, rich data services and API integrations in .NET and .NET Core to provide call attribution and sales leads to our customers.Spearheaded new technology projects to complement and improve current infrastructure such as WebRTC, Redis for caching data, MongoDB to store unstructured data and Azure cloud to increase software portability and reduce reliance on physical infrastructure.Provide business analysis for VoIP carrier usage, least cost routing and cloud based VoIP solutions in order to reduce costs.

Toronto, Canada Area

Designed and implemented a fully-featured international PBX, SIP-Trunking and class 4/5 softswitch platform using open source and custom software that provides voice services to MPLS and Internet customers. Implemented origination, termination and toll-free trunks with 20+ SIP providers in US/Canada and worldwide.Lead a team of voice engineers for all voice projects and for all provisioning, administration and troubleshooting tasks.Developed load balancing and redundant voice back-end (routing,media,database and storage) and redundant termination. UNIX clustering, floating IP addresses move resources around upon failure providing a highly available voice service. Developed and operated multiple clustered MySQL databases and a geographically dispersed Redis cluster.Designed and wrote least cost routing (LCR) platform with full NANP route table and international routes. Built web tools to allow least cost routes to be updated on the fly by financial departments.Developed custom VoIP billing system and CDR system with web front-end. Designed and implemented a full suite of fraud detection tools. Built web tools for easy day to day provisioning of DIDs, endpoints and troubleshooting by tier 1 technicians.Developed custom trunk usage, monitoring and tracking software to do accounting, graph trunk usage and re-route termination traffic based on the network environment.Built custom phone systems, QoS deployments and IVR solutions for large organizations. Built custom service for a large school board to convert analog POTS/TDM lines in 200+ schools to SIP.

Toronto, Canada Area

Deployed custom and open source configuration management systems to administer cloud infrastructure (Puppet, Chef, Kickstart) and manage version control. Fluent in many scripting languages such as bash, python, php and perl.Developed and implemented large scale Apache and NGINX deployments with emphasis on continuous deployment and scalable storage for Lavalife Inc. Familiar with SAN, NFS, ZFS and Netapp. Built tools to monitor all aspects of this platform.Responsible for all OS hardening and network security for entire web, cloud and voice infrastructure.Built, Implemented and administered 3 full data centre server racks. Server applications include VoIP platform, cloud platform and service provider infrastructure. Maintained 100+ instances of linux (virtual and non-virtual). Experience with many virtualization technologies such as VMWare, XEN, Docker and AWS.Designed and wrote an ERP system including web front-end and database. Encompasses customer tracking, project management, sales tracking and circuit tracking for customers and vendors. Has been in use for 6 years.Designed and implemented various automated systems and incorporated them into the company's ERP system. These systems include RADIUS and NAGIOS for MPLS/Internet data connection monitoring and DSL login. CACTI and Observium for uptime monitoring and bandwidth monitoring. Provisioned, implemented and supported MPLS and Internet data connections.Designed and implemented ISP supporting infrastructure such as Anycast DNS, NTP, Firewalls, etc.