We are on a mission

TO DETECT EARLIER,
DECIDE FASTER and
PROTECT WHAT MATTERS.

to give operators the power to see
without being seen.

to turn passive radar
into active advantage.

Silentium Defence is redefining how Allied Nations perceive and protect from the surface to space. As global leaders in passive radar technology, we equip defence, space and commercial operators with the tools to act with confidence, without compromise.

OurMission & Impact

Protect What Matters.

Silentium Defence exists to provide data without compromise, to help our customers better protect what matters – people, property and assets. From surface to space, we equip our Allies with the power to See Without Being Seen. In environments where timing, accuracy and trust are mission-critical, our passive radar solutions provide the edge needed to detect earlier, decide faster and protect what matters most.

Our People

We are a highly skilled, tight-knit team of innovators, problem solvers and leaders in our field, united by a shared mission to make a real impact on a global scale. 

Silentium Defence has been founded by experts, determined to deliver world-class covert situational awareness through pushing the boundaries of passive radar capabilities.

Today, we’ve grown into a trusted capability partner across the United States and other Allied Nations, delivering advanced surveillance solutions to defence and space sectors worldwide. We operate with purpose, move with agility and back each other to make a meaningful difference.

Meet Our Leadership Team

Dr-James-Palmer-Silentium-Defence

Dr James Palmer GLOBAL CHIEF EXECUTIVE OFFICERAustralia

A pioneer in passive radar innovation and the driving force behind Silentium Defence

With a Ph.D. in Electrical Engineering and a career spanning scientific advisory roles and advanced ISR research, Dr James Palmer brings deep technical vision and global insight to our operations. Since co-founding Silentium in 2017, James has led our transformation from Australian start-up to a trusted international defense technology partner.

Simon-Palumbo-Silentium-Defence

Simon Palumbo Executive Vice-PresidentUSA

Simon is focused on innovation with impact! 

As Co-founder and Executive Vice President of Silentium’s U.S. operations, he’s at the helm of expanding our global footprint. With multiple engineering degrees and recognition as one of South Australia’s 40 Under 40, Simon blends technical depth with strategic leadership, advancing passive radar capability for allied missions worldwide.

Protecting What MattersWithout Compromise.

We deliver trust, precision and the tactical edge that secures national interests, people and assets. Every system we deliver is a direct reflection of our commitment to clarity under pressure, stealth in contested space and certainty when it counts.

See Without Being Seen.