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Ottawa, Ontario
Joined April 2016
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Our story began in Ottawa in 1948 when we operated as Computing Devices Canada. Over the past 75+ years, we have become a key supplier to the @CanadianForces and allied countries delivering innovative mission system solutions to support those who defend us at home and abroad. Learn more about our journey: bit.ly/3Uff7bA #GDMSCsupports #GDMSCinnovation #MissionProven
Canada’s Arctic presents unique challenges for maritime awareness and security. At Association of British Columbia Defence and Marine Industries (@AbcmiNews) Business Conference and Tradeshow, our colleague, Mark, will join a panel on day one to discuss what Canada needs to strengthen its presence and security in the Arctic and ensure its sovereignty.
The discussion follows our recently announced cooperation with TKMS to establish Arctic Sentinel, a proposed undersea R&D centre focused on advancing climate-resilient undersea sensing capabilities for Canada’s Arctic.
Heading to Defence Leaders’ Future Land Forces this November? Connect with our team at booth #44 to discuss 360 Situational Awareness and Counter-UAS and the capabilities needed to address the evolving threats facing land forces.
ALT Promotional graphic for Future Land Forces event, November 3-5 in Warsaw, Poland. Includes logos for Defence Leaders and General Dynamics, and hashtag #GDatFLF.
From the Battle Lab in Ottawa to a @NATO environment in the UK.
At Exercise ACCELERATOR 2.0, Team Canada brought Canadian technologies together to demonstrate how different systems can connect and share information across a coalition environment.
Read the story: bit.ly/4yqYx9m
ALT The image shows a roadside sign for "BATTLELAB" near a building. Next to it, an "EFDI Accelerator" sign with arrows points ahead. The text on the left reads, "From Battle Lab to NATO: Team Canada Accelerates Allied Integration," with the General Dynamics Mission Systems–Canada logo below.
Whether conquering an Ironman or leading breakthrough innovation, Sean is always pushing what's possible.
Sean’s career journey has been shaped by continuous growth, inspired by curiosity, collaboration, and a passion for solving complex challenges in the defence industry. That same drive took him from struggling through a five-kilometre run to completing two Ironman races, improving his time by nearly two hours in 2026.
We're proud to spotlight Sean and the impact he continues to make across our business, our customers and the broader defence community.
Read more: bit.ly/3shIURo
ALT A smiling person stands outdoors on a street, wearing a dark t-shirt with a geometric design. To the left, there is a quote about stepping outside comfort zones and having support, attributed to Sean, a System Architect/Team Lead for Canadian LC5ISR Programs. The bottom of the image displays the General Dynamics Mission Systems–Canada logo.
A few weeks later, we're still smiling.
From the start line to the dog tags, this year's @CanadaArmyRun was filled with unforgettable moments. Thank you to everyone who helped make it such a special day.
#ThrowbackThursday
The future battlefield depends on connecting data, sensors, autonomous systems and combat vehicles into one digital ecosystem. At @DefenceIQ’s Modern Warfare Conference, our Head of Product, C5ISR Solutions, Emeka shared how MESHnet® provides the secure, scalable foundation for next-generation C5ISR and interoperability reinforcing our commitment to Romania and NATO's Eastern Flank.
📢 NEWS RELEASE: General Dynamics Mission Systems–Canada has signed a Memorandum of Understanding with Ukrainian manufacturer Ratel Robotics to explore the co-production of unmanned ground vehicles in support of Ukraine. Read more about it 🔗 tinyurl.com/6bsv889u
Invited by the @CanadianArmy as part of Canada’s participation, Team Canada joined Exercise ACCELERATOR 2.0, led by the @BritishArmy.
Alongside @Safran, @EsriCanada, TACTIQL, and TuffTek, we worked to connect Canadian technologies into the EFDI digital backbone, demonstrating information sharing across a connected digital environment.
Stay tuned for more from Team Canada.
We are incredibly proud of Jenn Downing for receiving three @ISSSDirPub awards: Senior Member, International Award, and the President's Award. These honours reflect years of leadership, dedication, and commitment to advancing system safety worldwide. Congratulations, Jenn, on this well-deserved recognition! 👏
From runners, rollers, and walkers to volunteers at our water station, we were proud to be part of another amazing event in support of the military community. Thank you to everyone who stopped by, shared a smile, and helped make the day such a success.
We're honoured to support Soldier On, Support Our Troops, and the @CanadaArmyRun community year after year. See you on the course again next year!
On Military Family Appreciation Day, we recognize those who serve and have served, and the families who stand beside them every step of the way.
Service extends beyond the uniform. It reaches military spouses, partners, parents, children, and loved ones whose support, sacrifice, and resilience make a difference every day.
We see you, we recognize you, and we appreciate you. Thank you for all that you do.
In a world where emerging threats are accelerating, forums like #MSPO2026 are essential.
Thanks to NATO allies, European partners, teammates, and guests for a week of insightful dialogue on the solutions our forces need.
Thank you @TCS_SDC for hosting the largest Canadian delegation in MSPO history.
🌐Featured in @defensacom: "Chile's Submarine Force learns about Canadian command and acoustic processing solutions."
We're proud to see our Canadian-developed undersea warfare capabilities highlighted internationally. The article covers our recent engagement with the Chilean Navy's Submarine Force and reflects the expertise, technology and operational experience our Canadian team brings to naval programs around the world. ️ ⬇ Read more below.
Fuerza de Submarinos de Chile conocen soluciones canadienses de mando y procesamiento acústico.
defensa.com/chile/fuerza-sub…
📢 NEWS RELEASE: General Dynamics Mission Systems–Canada signs a Memorandum of Understanding with GreenTech Harvest for the co-production of UAVs for Ukraine.
Under the MoU, the companies have established a framework for collaboration focused on Ukrainian-designed unmanned systems. The intent is to combine GreenTech Harvest’s operational experience with General Dynamics Mission Systems–Canada’s manufacturing capabilities, applying Canadian industrial expertise in support of Ukraine’s mission requirements.
Canada’s longstanding relationship with Ukraine underpins this collaboration.
LINK: bit.ly/4Acxqku
Since day one, we've been proud to support @CanadaArmyRun, cheering from the sidelines, hydrating participants on the course, and standing behind the military community. Here's to the memories, the milestones, and another great run ahead.
Canada is in high gear @TargiKielce #MSPO2026. We are proud to join Canada’s biggest delegation, hosted by @TCS_SDC, showcasing our C5ISR, mission‑computing, sonar, and uncrewed‑air solutions in Hall 7, Stand B06.
At General Dynamics Mission Systems–Canada, giving back is an important part of who we are. On International Day of Charity, we especially reflect on those organizations that make a meaningful difference.
Through initiatives such as our annual memorial golf tournament supporting the @HeartInstitute, sponsorship of the @CanadaArmyRun, and patron sponsorship of @WiDS_Canada, we find meaning in helping to strengthen the communities we serve.
These partnerships support health care, the @CanadianForces community and their families, and the advancement of opportunities for talent across Canada's defence and security sectors.
On this #InternationalDayofCharity, we recognize the important work these organizations do every day and are proud to support their missions.
We’ll be at MSPO 2026 in Kielce, Poland, demoing our made‑in‑Canada C5ISR suite, mission‑computing, world‑class sonar, and uncrewed‑air solutions.
Visit the Canadian Lead Nation Zone hosted by @TCS_SDC in Hall 7, Stand B06 to see home‑grown innovation empowering Europe’s missions.
📄 Full advisory: bit.ly/4yoekWM
Water station ready. Team spirit loaded. We're excited to support @CanadaArmyRun once again.
We look forward to cheering on participants, hydrating those on course at our water station, and supporting the incredible work of Soldier On, Support Our Troops, and the @CanadianForces community at large.
As proud supporters of @CanadaArmyRun since day one, we look forward to fueling our 5K water station and cheering on participants as they race toward the finish line.
Supporting @SoldierOnCAN, Canadian Forces Morale & Welfare Services, and the @CanadianArmy is an important part of our ongoing commitment to giving back to the communities we serve.
Our friends and family can receive 25% off any Canada Army Run race (in person or virtual) with code GDMSCFAMILY at checkout: armyrun.ca
Whether handing out water, tackling the course, or cheering from the sidelines this September, it's an honour to be part of this incredible event year after year.