
Security software companies · Post-quantum security for digital assets
Project Eleven
About Project Eleven
Project Eleven is an applied lab working where quantum computing meets cryptography, focused on moving digital asset wallets, identity and settlement rails to quantum-safe primitives without disrupting how users and developers work. It builds crypto-agile infrastructure, reference implementations and integrations for teams preparing for that shift. A Senior Security Engineer in engineering, remote within the United Kingdom, is the lone security role.
From its own postings
, CyberJobs.cc shows 1 security opening at Project Eleven.
Project Eleven security openings
Read 13 Nov 2026, 04:08 UTCComparable openings elsewhere
The same specialty at other employers.

Backend Security Engineer (shows the role here)
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Application Security Engineer – CVE & Vulnerability Research (shows the role here)
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Responsible AI / Security Specialist (shows the role here)
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Project Eleven roles, country by country
Where Project Eleven takes applicants, with the number of open roles for each country.
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Genuine Project Eleven pages sit on projecteleven.com · jobs.ashbyhq.com/projecteleven. Drop a recruiter's message into the checker and it tests each link, the sender's address and the salary against these.
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Working at Project Eleven
Project Eleven was founded in October 2024 and is based in New York, with Alex Pruden as CEO. Castle Island Ventures led its $20 million Series A in January 2026. Its security postings state No salary in its postings (from its own postings).
1 security role open at the last read1 open role at Project Eleven, confirmed on its careers system 13 Nov 2026.
In-house engineering position, remote within the UK.
The United Kingdom is the listed country, and the engineer would work remotely there.
Honest catches
- The salary note here is from its own postings rather than read from current postings, so use it as a guide, not as an offer.
Salaries at Project Eleven
From its own postings · as of 2026-11-11Recorded salary note, from its own postings, dated 2026-11-11
Project Eleven has not put a salary on its UK engineering post (12 Nov 2026).
Specialties Project Eleven hires in
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From the forum
Nobody has posted about Project Eleven yet. Open the thread you wish existed.
Project Eleven: common questions
What salary does Project Eleven offer security staff?
No salary in its postings. Project Eleven has not put a salary on its UK engineering post (12 Nov 2026).
What sort of company is Project Eleven?
Project Eleven was founded in October 2024 and is based in New York, with Alex Pruden as CEO. Castle Island Ventures led its $20 million Series A in January 2026.
What is it like to work in security at Project Eleven?
Its security postings state No salary in its postings (from its own postings). As a security vendor, it hires both defenders for its own estate and specialists who build and sell the product.
What kind of employment are Project Eleven's security roles?
In-house engineering position, remote within the UK.
Where are Project Eleven's security jobs based?
The United Kingdom is the listed country, and the engineer would work remotely there.
Other employers to weigh up
Sysdig secures containers, Kubernetes and cloud workloads at runtime; its open security roles lead the company's own security engineering and research.
No salary in its postingsFrom its own postingsSemgrep makes fast, rule-based static analysis and supply chain scanning; its open security role leads engineers building supply chain security.
No salary in its postingsFrom its own postingsSells workforce and customer identity through Okta and Auth0; security staff build identity threat protection, run PSIRT and test the product offensively.
$213k–$321k/yrLive salary bandHorizon3.ai sells NodeZero, which runs autonomous penetration tests against real networks; its engineers build that attack capability and research the threats it emulates.
$218k–$300k/yrLive salary bandListed by the expected value of applying, with a small lift for employers that pay us a referral fee; that lift never touches a salary figure.
Recruiting security staff like Project Eleven's? We source the candidates (you make the hire).