John Schreuders

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Senior Software Architect, ISTAR – DLCSPM at Ratione Ligno
November 1, 2024 - November 1, 2024
Overseeing engineering work from OEMs delivering ISR capabilities to the Canadian Army; defining system-level engineering requirements for the Land ISR Modernization Project; network design and infrastructure for Geo product delivery to Canadian Army deployments; capturing integration requirements from Sitaware into ISR systems; building adapters for ISR data between battle management systems and MOTS/ COTS buses (ISA, Kafka, etc.).
Senior Software Architect and Security Architect at MacDonald Dettwiler (MDA)
January 31, 2024 - January 31, 2024
Lead systems architect for security solutions for the next generation of Radarsat; security architectures for spacecraft, ground stations and AWS cloud resources; presented designs at system-wide critical design reviews; gathered and presented scheduling, budgeting and cost analysis to senior staff.
Senior Software Architect at SIMFRONT / General Dynamics
July 1, 2023 - July 1, 2023
Developing solutions for the Canadian Army to integrate with Sitaware HQ; built bridging software translating 2525c symbology to JC3IEDM equivalents; led plugin architecture and testing infrastructure; delivered technical presentations to GDC and DND.
Senior Systems Architect at Thales Canada Defense Systems
July 1, 2020 - July 1, 2020
Senior architect for Land Combat and Support System (LCSS); lead TBMS deployment within fighting vehicles; managed architecture, delivery and quality; team lead for 20 engineers; interfaced with subsystems across vehicle, HQ, radio, TCP/IP and SATCOM bearers; lead Product Owner in SCRUM/Agile (recently transitioned to Kanban).
Senior Software Architect, Networks and Cyber Security at Directorate of Information Management Engineering and Integration (DIMEI), DND
July 1, 2020 - November 15, 2025
Senior architect designing gateways enabling safe access to classified networks; supported the remote access capability for GoC personnel during COVID-19; designing systems in support of Security Information and Event Management (SIEM) capabilities; deploying classified endpoint hypervisor tooling; processing GEO data streams from UNCLASS to SECRET environments and disseminating them to operational commands; building Elasticsearch solutions within enterprise platforms.
Senior Software Architect, Engineering Manager – LCSS TBMS at Thales Canada Defense Systems
May 1, 2018 - May 1, 2018
Lead architect and chief engineer for TBMS deployed in Canadian Army fighting vehicles; defined interfaces between subsystems; managed a 20-engineer team; principal interface to customer; product owner in SCRUM/Agile; updated architecture for LCSS evolution.
Senior Software Architect, R&D Group at Mitel Networks
May 1, 2012 - May 1, 2012
Managed a four-engineer R&D team to design and test next-generation IP and VOIP software; prototyped mobile network management solutions; project/resource management and budgeting; interface with hardware platforms.
Senior Software Architect, Fixed Income Group at Barclays Capital
October 1, 2010 - October 1, 2010
Chief engineer for front-end trading systems and back-end pricing/risk engines for ETF products; led a team of engineers; cloud-based deployment and cross-border collaboration with traders and vendors; budgeting and proposal presentations; SCRUM leadership.
Senior Software Architect, Equity Derivatives IT Group at Lehman Brothers
May 1, 2007 - May 1, 2007
Chief Systems Architect for front-office UI and a distributed trading network spanning three continents; liaised with traders and internal teams; managed junior engineers; cloud-ready architecture for pricing and risk engines.
Senior Software Architect at Morgan Stanley
September 1, 2006 - September 1, 2006
Chief Systems Architect for next-generation Sales Credit Blotters for FX Sales and Trading; redesigned front-end architecture; backend pricing and risk engines; offshore validation and cloud deployment; liaison with sales, trading and vendors.
Senior Software Engineer at Texas Instruments
August 1, 2004 - August 1, 2004
Embedded software specialist designing tools for fabrication and firmware; DSP algorithm optimization; interface with DoD and consumer hardware; performance refactoring for space-qualified hardware.
Software Design Engineer at MacDonald Dettwiler & Associates
October 1, 2003 - October 1, 2003
Embedded control software for Space Station Remote Manipulator System; lead integration and test at Kennedy Space Center; IV&V activities; requirements management for future upgrades to space robotics.
Combat Systems Engineer at Royal Canadian Navy
March 1, 1999 - March 1, 1999
Managed maintenance and overhaul of weapon systems aboard Halifax-class frigates; damage control team leader; engineering team lead for boarding party duties.

Education

Masters of Engineering – Software at Carleton University
January 1, 2010 - January 1, 2012
Bachelor of Computer Engineering with honors at Royal Military College of Canada
January 1, 1992 - January 1, 1996

Qualifications

Licensed Professional Engineer (Ontario)
January 11, 2030 - November 15, 2025
NATO Secret Security Clearance
January 11, 2030 - November 15, 2025
Controlled Goods designation
January 11, 2030 - November 15, 2025
ITAR qualified for the LCSS project
January 11, 2030 - November 15, 2025
DeepLearning.AI TensorFlow Developer Specialization
January 11, 2030 - November 15, 2025
Generative AI with Large Language Models
January 11, 2030 - November 15, 2025

Industry Experience

Government, Software & Internet, Professional Services, Telecommunications, Other

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more