Icarus's tech stack
What does Icarus use?
Icarus (icarus.one) uses at least 9 tools we can see from public records, including Squarespace for its website, LinkedIn for marketing, Greenhouse for hiring and HR and Mailgun for email delivery. It has 27 open roles, most in Engineering. Last checked .
“Stratospheric birds for defense”
- Industry
- Defense
- Size
- 11–50 employees
- Based in
- Los Angeles, United States
- Tools found
- 9
- Categories
- 8
- Layers
- 3 of 5
- Last checked
- Nov 2026
Icarus's stack, layer by layer
Of 9 tools, 4 came from DNS verification records, 2 from email records, 2 from DNS records and 1 from other records. Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
DNS
Go-to-market
2 tools, how they find and keep customers
Website & CMS
Marketing
Company Ops
6 tools, what the team runs on day to day
Email Delivery
Workspace
Collaboration
Dev Tools
People & HR
Hiring at Icarus
27 open roles on Icarus's public Greenhouse job board, 8 posted in the last 30 days and 7 closed.
Open roles by team
- Engineering15
- Other7
- Operations4
- People1
Latest openings
- IT Systems EngineerEl Segundo · Nov 2026
- Quality EngineerEl Segundo · Nov 2026
- Purchasing CoordinatorEl Segundo · Nov 2026
- Buyer/Planner, Mechanical & CompositesEl Segundo · Nov 2026
- Buyer/Planner, ElectricalEl Segundo · Nov 2026
- Head of Supply ChainEl Segundo · Nov 2026
Checked November 7, 2026.
Icarus tech stack FAQ
What tools does Icarus use?
As of November 2026, runsonwhat has found 9 tools at Icarus (icarus.one) in public records. Edge & Hosting: GoDaddy. Go-to-market: Squarespace and LinkedIn. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked November 9, 2026.
What email provider does Icarus use?
Icarus uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on icarus.one. Microsoft 365 is used by 734,184 companies runsonwhat tracks.
What is Icarus's website built with?
Icarus uses Squarespace for its website, according to runsonwhat (November 2026). runsonwhat found Squarespace through DNS records that point at Squarespace and a subdomain. Squarespace is used by 34,541 companies runsonwhat tracks.
What marketing software does Icarus use?
Icarus uses LinkedIn for marketing, according to runsonwhat (November 2026). runsonwhat found LinkedIn through a DNS verification record for LinkedIn. LinkedIn is used by 15,683 companies runsonwhat tracks.
What does Icarus use for hiring and HR?
Icarus uses Greenhouse for hiring and HR, according to runsonwhat (November 2026). runsonwhat found Greenhouse through email records that authorize Greenhouse and code on icarus.one. Greenhouse is used by 1,894 companies runsonwhat tracks.
Does Icarus use GoDaddy?
Yes. runsonwhat found GoDaddy at Icarus through DNS records that point at GoDaddy and code on icarus.one. GoDaddy is a DNS tool used by 254,335 companies runsonwhat tracks.
Is Icarus hiring?
Yes. As of November 2026, Icarus has 27 open roles on its public Greenhouse job board, most in engineering (15), operations (4) and people (1). 8 were posted in the last 30 days and 7 were taken down.
Which companies have a tech stack similar to Icarus's?
The companies with the stacks most like Icarus' are insuretycapital, Mobot, Digs and Reliable Holding Manager LLC dba Lendz Financial, according to runsonwhat (November 2026). Each shares 1 to 3 tools with Icarus, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Icarus uses?
runsonwhat reads public records only. Of the 9 tools at Icarus, 6 were found through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and icarus.one about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.