Sphere Defense

Defense Manufacturing · Air Defense
12open roles
Atruth index, 95 of 100
97 daysmedian time a role stays open
32technologies in use

Overview

Sphere Defense is a fully funded startup that develops autonomous sovereign counter-UAS solutions to give European states effective and affordable countermeasures against aerial threats. It was founded by industry veterans and hires technical recruiters, test, control systems, mechanical and AI and computer vision engineers and CNC programmers. The company is headquartered in Brussels, Belgium.

Key facts

As of Nov 13, 2026, Alion lists 12 open roles at Sphere Defense. Sphere Defense is headquartered in Brussels, Belgium.

Open roles
12Its careers board, read on Nov 13, 2026
Headquarters
Brussels, BelgiumAlion company profile, updated Nov 13, 2026
Technologies in its job postings
32Named in its job postings

How Sphere Defense hires

Truth index
A 95/100
Median time to fill
97 days
Ghost roles
0%
Stale roles
0%
Reposted roles
0%

Sphere Defense scores A on the Alion truth index (A is best, E worst), measured over 10 open roles re-checked against its own hiring board: 0% look like ghost listings, 0% have gone stale and 0% are the same role posted again. Its roles close in a median of 97 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Jobs

≈ $97k – $242k per year (Estimated) · Equity · In office · Full-Time · 12+ years exp · Master's Degree · Brussels
Python
Rust
C++
Multimodal AI
Computer Vision
Machine Learning
Robotics
ROS2
SLAM
Sensor Fusion
Visual-Inertial Odometry
Apply
≈ $78k – $204k per year (Estimated) · Equity · In office · Full-Time · 8+ years exp · Bachelor's Degree · Brussels
Python
C++
Quantization
Computer Vision
ONNX
Machine Learning
Robotics
ROS2
SLAM
Visual-Inertial Odometry
Apply
≈ $43k – $119k per year (Estimated) · In office · Full-Time · Nivelles
Siemens NX
GD&T
Apply
≈ $40k – $111k per year (Estimated) · In office · Full-Time · Nivelles
Siemens NX
GD&T
Apply
≈ $44k – $114k per year (Estimated) · In office · Full-Time · Nivelles
Siemens NX
GD&T
Apply
≈ $38k – $67k per year (Estimated) · Equity · In office · Full-Time · High School Diploma · Brussels
Apply
≈ $44k – $113k per year (Estimated) · Equity · In office · Full-Time · High School Diploma · Brussels
Apply
≈ $63k – $140k per year (Estimated) · Equity · In office · Full-Time · 8+ years exp · Bachelor's Degree · Brussels
Wrike
Microsoft Project
Jira
Apply
≈ $60k – $137k per year (Estimated) · Equity · In office · Full-Time · 4+ years exp · Bachelor's Degree · Brussels
Linux
Chips/EDA
Altium Designer
Cadence Allegro
OrCAD
Apply
≈ $73k – $168k per year (Estimated) · Equity · In office · Full-Time · 8+ years exp · Bachelor's Degree · Brussels
Linux
Chips/EDA
Altium Designer
Cadence Allegro
OrCAD
Apply
≈ $75k – $170k per year (Estimated) · Equity · In office · Full-Time · 8+ years exp · Bachelor's Degree · Brussels
Python
Rust
C++
gRPC
RTOS
CI/CD
Linux
Wi-Fi
Apply
≈ $71k – $146k per year (Estimated) · Equity · In office · Full-Time · 12+ years exp · Bachelor's Degree · Brussels
SolidWorks
SpaceTech
GD&T
Apply
All 12 jobs at Sphere Defense salaries, cities, levels and how long each has been open

Growth

Hiring Momentum
37/100
Slowing
Open positions
12
0 opened / 6 closed in 30 days
Median time-to-fill
97 days
faster than 12% of the market
ATS activity
Every ~6 hours
Today
Hiring Dynamics 0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
22% ▼
Industrial Engineering
22% ▼
QA
11% ▼
Hardware
11% ▼
HR
11% ▼
Management
11% ▼
Activity Timeline
Added AS9100 to stack Oct 2026
Added Siemens NX to stack Oct 2026
Added GD&T to stack Oct 2026
Added LinkedIn to stack Sep 2026
New location: Nivelles Sep 2026
Added Machine Learning to stack Sep 2026
Added Wi-Fi to stack Sep 2026
Added Linux to stack Sep 2026

Tech stack

Technologies named in job postings at Sphere Defense over the last 12 months, by layer, with the share of postings for each.
Technologies in use
32
Postings analysed
15
Stack modernity
69/100
Languages
C++60%
Python60%
Rust53%
MATLAB7%
Frameworks & libraries
ROS227%
ROS7%
Cloud & platforms
Linux53%
RTOS27%
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Full Sphere Defense tech stack 32 technologies · by team · pay by technology · changes · similar stacks

Offices

Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
Brussels
Loading the map
Headquarters Builds here Office with open vacancies Tap a pin for the office
Brussels Belgium
HQ
10 open roles 6 posted in 90 days 60% engineering
hires for Hardware, AI/ML, Industrial Engineering
seen since Mar 2026 job postings
Nivelles Belgium
Engineering / R&D
3 open roles 3 posted in 90 days 67% engineering
hires for Backend, Industrial Engineering
seen since Sep 2026 job postings

How to cite this page

Alion, "Sphere Defense: key facts", as of Nov 13, 2026. https://alion.io/company/sphere-df

These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0