What jobs is Horizon3 hiring for right now?
As of Nov 5, 2026, Horizon3 has 179 open jobs on Alion. Its postings score B on the Alion truth index.
How Horizon3 hires
Horizon3 scores B on the Alion truth index (A is best, E worst), measured over 24 open roles re-checked against its own hiring board: 0% look like ghost listings, 75% have gone stale and 0% are the same role posted again. Its roles close in a median of 36 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
Open vacancies at Horizon3
Questions about jobs at Horizon3
Is Horizon3 hiring right now?
Yes. As of Nov 5, 2026, Horizon3 has 179 open jobs on Alion.
How reliable are Horizon3 job postings?
Horizon3 scores B on the Alion truth index (A is best, E worst), measured over 24 open roles re-checked against its own hiring board: 0% look like ghost listings, 75% have gone stale and 0% are the same role posted again. Its roles close in a median of 36 days.
How do you apply to Horizon3?
Horizon3 accepts applications through Ashby, so the form opens on that system rather than on Alion.
Other companies hiring in the same industry
How to cite this page
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.
Alion, "Horizon3: 179 open jobs", as of Nov 5, 2026. https://alion.io/company/horizon3/jobs
Licence: CC BY-SA 4.0Map: OpenFreeMap, OpenStreetMap. City coordinates: GeoNames (CC BY 4.0)