Senior Security Engineer (Cloud and SecOps) | London, Hybrid
You’ll own threat detection, response and prevention across an AWS-hosted SaaS platform used by some of the world’s largest banks. That means the SIEM, the managed SOC relationship and the run-time security of the AWS estate, with you leading the response when incidents happen.
- Salary: competitive, plus annual performance bonus
- Location: London, hybrid (2 days a week in the office)
- Level: Senior, reporting to the Head of Information Security
You’ll join a small Information Security team across London and Poland at an enterprise SaaS company, working alongside GRC and a Senior Product Security Engineer.
Senior Security Engineer - What you’ll actually do:
- Own the SIEM: onboard log sources, build and tune detections, and track coverage against MITRE ATT&CK
- Act as internal owner of the managed SOC, including runbooks, service reviews, triage quality and SLAs
- Lead incident response end to end, from triage and containment to root cause analysis
- Own AWS run-time security, including IAM, organisational guardrails and logging coverage, and secure the corporate estate (Google Workspace, endpoints, SaaS apps)
- Run infrastructure vulnerability management, external attack surface management and penetration testing
- Automate security processes with scripting and infrastructure-as-code
Senior Security Engineer - What you’ll need:
- Security operations or cloud security engineering experience, including leading incident response in cloud environments
- Hands-on SIEM work, designing and tuning detections as well as responding to alerts
- In-depth AWS security knowledge: IAM, Organizations and SCPs, CloudTrail, GuardDuty, Security Hub, KMS and VPC design
- Container and Kubernetes runtime security, ideally on Amazon EKS
- Experience working with or managing a managed SOC or MDR provider
- Python or similar scripting, plus working knowledge of infrastructure-as-code
Nice to have:
- Detection-as-code, SOAR or automated response playbooks
- CSPM or CNAPP tooling
- Familiarity with DORA, ISO 27001 and SOC 2
- AWS Certified Security Specialty, GCIH, GCIA or GCFA
What’s in it for you
- Private medical insurance, healthcare cashback scheme and 4x salary life assurance
- Unlimited annual holiday and enhanced family leave
- Work abroad for up to 6 weeks a year
- Learning and development budget, 4 volunteering days, Cycle to Work and Tech Scheme
If you meet most but not all of the essentials, we’d still like to hear from you.
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Senior Security Engineer in London employer: LT Harper Group
As a Senior Security Engineer at our specialist Microsoft security partner, you'll thrive in a dynamic and supportive work culture that prioritises employee growth and development. With a hybrid working model that allows for flexibility and a focus on continuous training, you will have the opportunity to work across multiple enterprise environments while collaborating with a talented team in London. Join us to make a meaningful impact in the cybersecurity landscape while enjoying the unique advantages of a forward-thinking organisation.
