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Senior Security Engineer - Crowdstrike

📍 London, United Kingdom

Construction Marlin Selection Recruitment

Job Description

3 days ago Be among the first 25 applicantsA great opportunity for a Security Engineer to join growing Financial Services Firm in London in a Hybrid working role.We are a Commodities Focussed Financial Services Firm based in London with Offices in US and Asia. We are now seeking a Senior Security Engineer to join our London team.Reporting to the IT Security Officer, you will work alongside the IT Security Engineer as part of a 3-man IT Security team. As the Senior Security Engineer, you will implement and maintain robust security systems and protocols across the our IT infrastructure. You will conduct risk assessments and vulnerability scans, mitigate vulnerabilities identified in penetration testing, and implement preventative measures to protect against cyber threats. You will monitor the security infrastructure and detect and respond to potential threats. You will help mentor and develop the IT security engineer and collaborate with the IT team to ensure compliance with security standards and best practices; you will essentially be a key technical leader in safeguarding sensitive data and systems.Key Responsibilities/DutiesManage WAF and DDoS systemsManage the Web Security GatewayManage the Email Security GatewayManage the SIEM, SOAR, Identity Protection and EDR, and respond to alerts and threats.Carry out vulnerability scans, identify risks, and remediation.Manage the perimeter and VPN firewalls.Manage MFA and SSO.Manage MDM\MAM and Conditional AccessManage security certificates and keys.Manage IDS and IPS.Manage PAM systemsDeliver Cyber Security Awareness TrainingRemediate vulnerabilities and weaknesses identified during penetration testing.Ad-hoc IT security projectsThe successful candidate will have a good working knowledge and experience in managing the majority of the following technology stackCrowdStrike EDRMimecast Mail Security GatewayDuoOktaRapid7 IVM, Tenable IO or NessusRapid7 IDR or CrowdStrike Next Gen SIEMPalo Alto Firewalls and PanoramaInTune and Conditional AccessExperience using the following technology stack would be advantageous; understanding the principles is required.Imperva WAF and DDoSMenlo Web Security GatewayKnowBe4Digicert Certificates and Microsoft Certificate ServicesIvanti or Automox patchingAppCheck or Tenable WASDesired Education: CISM, MS SC100, 200 and 900, OSCP or other penetration testing qualifications.Industry: Financial services, SOC, Pentesting is desirablePersonal Skills:Excellent inter-personal, written and verbal communication skillsThe ability to handle multiple priorities, tasks and projects simultaneouslyClear and precise verbal and written communicationAbility to deliver presentations to staffCross functional influence, engagement and collaboration skillsLocation and HoursThe position is usually based in our London Head OfficeHours: The team works on a shift pattern to ensure cover from 0730 – 1730: (0730 to 1630 (2 days working from home), and 0830 to 1730 (3 days working in the office))There will be periods of the weekend and out-of-hours work.If you can adhere to the above please applySeniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionInformation TechnologyIndustriesFinancial Services and Technology, Information and MediaReferrals increase your chances of interviewing at Marlin Selection Recruitment by 2xSign in to set job alerts for “Security Engineer” roles.London, England, United Kingdom 1 week agoLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 3 months agoIsleworth, England, United Kingdom 1 month agoLondon, England, United Kingdom 2 weeks agoLondon, England, United Kingdom 4 days agoLondon, England, United Kingdom 1 month agoTwickenham, England, United Kingdom 1 month agoGreater London, England, United Kingdom 9 hours agoLondon, England, United Kingdom 3 weeks agoLondon, England, United Kingdom 2 weeks agoLoughton, England, United Kingdom 8 months agoLondon, England, United Kingdom $40,000.00-$50,000.00 3 weeks agoLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 4 days agoLondon, England, United Kingdom 2 weeks agoSecurity Engineer, Governance, Risk and ComplianceLondon, England, United Kingdom 1 month agoLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 3 weeks agoLondon, England, United Kingdom 1 week agoHounslow, England, United Kingdom 2 weeks agoSecurity Engineer, Detection and ResponseLondon, England, United Kingdom 3 days agoLondon, England, United Kingdom 3 days agoLondon, England, United Kingdom 1 month agoLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 1 week agoLondon, England, United Kingdom 1 month agoLondon, England, United Kingdom 2 weeks agoWe’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr

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Job Details

Posted Date: December 17, 2025
Job Type: Construction
Location: London, United Kingdom
Company: Marlin Selection Recruitment

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Don't miss this opportunity! Apply now and join our team.