×
Register Here to Apply for Jobs or Post Jobs. X

Senior Security Engineer - Remote; Europe -Quantum Crypto

Remote / Online - Candidates ideally in
Neath, Neath Port Talbot, SA11, Wales, UK
Listing for: Castleisland
Full Time, Remote/Work from Home position
Listed on 2026-06-15
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Position: Senior Security Engineer - Remote (Europe) for Post-Quantum Crypto

Castleisland is searching for a Senior Security Engineer to oversee the product and platform security across Project Eleven. This role offers high ownership and broad scope, focusing on shaping threat models and ensuring compliance. You'll collaborate closely with engineering teams to enhance security practices.

This position is full-time and fully remote, catering to candidates within Europe. Successful applicants should possess over 5 years in security engineering and a robust understanding of applied cryptography and cloud security.

#J-18808-Ljbffr
Position Requirements
10+ Years work experience
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary