London, South East, England, United Kingdom Hybrid / WFH Options
Circle Recruitment
onboarding/offboarding processes. Collaborate with internal teams to ensure smooth project execution and high-quality support. Provide guidance on best practices in cloud security, DNS protection (SPF, DKIM, DMARC), and compliance. Maintain accurate documentation, contribute to internal policies, and support ISO and security frameworks. Work flexibly across client sites, the London office, and remotely, with occasional out-of-hours More ❯
challenge traditional norms, advocating for more modern, novel approaches. Should have: Experience with email gateway administration and email routing. Understanding of email security protocols and standards e.g. SPF, DKIM, DMARC etc. Experience using git and GitHub for code changes and CI/CD. Experience with Munki and AutoPkg for macOS software deployment Experience with Chocolatey and PowerShell for Windows software More ❯
IT Security Engineer - prem AD, EntraID, M365, IDAM solutions, SentinelOne, CrowdStrike, Defender, Routing/Switching, WAN, Wi-Fi, Cisco Our leading global law firm client are recruiting for an IT Security Engineer (prem AD, EntraID, M365, IDAM solutions, SentinelOne, CrowdStrike More ❯
to learn about the infrastructure and methodologies behind phishing and malicious email campaigns. Understanding of core email protocols (SMTP/POP/IMAP) andauthentication standards (DKIM, SPF, DMARC). Experience in Python/Lua or other scripting languages, effectively applied to automation, data analysis, and tool development. Advanced SQL skills for querying, manipulating, and extracting insights from large More ❯
