At a Glance
- Tasks: Maintain and optimise security platforms for a financial services client in a dynamic environment.
- Company: Join a leading financial services firm with a focus on security innovation.
- Benefits: Competitive salary, flexible working, and opportunities for professional growth.
- Other info: Collaborative team environment with excellent career advancement opportunities.
- Why this job: Make a real impact in security engineering while working with cutting-edge technology.
- Qualifications: Strong experience in security engineering and hands-on platform management required.
The predicted salary is between 60000 - 80000 £ per year.
The Senior Security Engineer is responsible for the day-to-day operation, maintenance, and optimisation of security platforms supporting a financial services client in a regulated environment. This is a hands‑on engineering role where you will ensure security tooling is fully operational, integrated, and performing as expected. You will work closely with the 24/7 Security Analyst team, supporting investigations, resolving platform issues, and driving improvements across detection and response capabilities. This role is client-aligned with 3 days onsite in London.
Key Responsibilities
- Maintain and configure security platforms including SIEM, XDR/EDR, vulnerability and cloud security tooling.
- Perform lifecycle activities including patching, upgrades, and configuration changes.
- Ensure security platforms are fully integrated across on‑prem and cloud environments.
- Monitor platform health, performance, and availability, resolving issues proactively.
- Support service transitions, upgrades, and controlled change activities.
- Act as escalation point for platform issues raised by the Security Analyst team.
- Provide engineering support during complex incidents and investigations.
- Implement platform‑level changes to support incident response and remediation.
- Support detection engineering including rule deployment, tuning, and validation.
- Resolve data quality, alerting, and detection gaps impacting operational effectiveness.
- Support automation and SOAR initiatives (e.g. Sentinel, Logic Apps).
- Collaborate with SOC providers to maintain SIEM configuration and log ingestion.
- Maintain accurate engineering documentation, runbooks, and platform records.
- Ensure all platforms meet regulatory, audit, and compliance requirements.
- Contribute to governance, reporting, and continuous improvement initiatives.
Experience & Knowledge
Essential:
- Strong experience in security engineering and platform management.
- Experience supporting SOC tooling and security operations environments.
- Hands‑on experience with Microsoft Defender and Microsoft Sentinel.
- Strong understanding of SIEM, XDR, and security platform integrations.
- Experience in hybrid (on‑prem and cloud) environments.
- Strong troubleshooting skills across platforms, integrations, and data pipelines.
- Experience with scripting/automation (PowerShell, Python or similar).
- Strong understanding of networking, cloud, and infrastructure fundamentals.
- Experience in regulated environments (e.g. financial services).
- Strong documentation and communication skills.
Desirable:
- Experience with vulnerability and scanning tools (e.g. Qualys).
- Familiarity with exposure management and BAS tools (XM Cyber, AttackIQ).
- Knowledge of DLP, email security, and cloud security platforms.
- Awareness of PAM and data security tools (e.g. CyberArk, Varonis).
Senior Security Engineer - Financial Services. Job in London LilyLifestyle Jobs employer: United Cerebral Palsy of Georgia
As a Senior Security Engineer at our London-based financial services firm, you will thrive in a dynamic and collaborative work environment that prioritises innovation and professional growth. We offer competitive benefits, including flexible working arrangements, ongoing training opportunities, and a strong commitment to employee well-being, ensuring you can excel in your role while contributing to meaningful security initiatives. Join us to be part of a forward-thinking team dedicated to enhancing security in a regulated industry, where your expertise will make a significant impact.
Contact Details:
United Cerebral Palsy of Georgia Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Senior Security Engineer - Financial Services. Job in London LilyLifestyle Jobs
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect with professionals on LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those related to security engineering. This gives potential employers a taste of what you can do beyond just a CV.
✨Tip Number 3
Prepare for interviews by brushing up on common security scenarios and technical questions. Practice explaining your thought process clearly, as communication is key in this role. We want to see how you tackle real-world problems!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Senior Security Engineer - Financial Services. Job in London LilyLifestyle Jobs
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Senior Security Engineer role. Highlight your experience with security platforms, especially in financial services, and don’t forget to mention any hands-on work with Microsoft Defender or Sentinel.
Show Off Your Skills:In your cover letter, showcase your troubleshooting skills and experience with hybrid environments. We want to see how you’ve tackled complex incidents and improved detection capabilities in your previous roles.
Be Clear and Concise:When writing your application, keep it clear and concise. Use bullet points where possible to make it easy for us to see your key achievements and relevant experience at a glance.
Apply Through Our Website:Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. We can’t wait to see what you bring to the table!
How to prepare for a job interview at United Cerebral Palsy of Georgia
✨Know Your Security Tools
Make sure you’re well-versed in the specific security platforms mentioned in the job description, like SIEM and Microsoft Defender. Brush up on your hands-on experience with these tools, as you might be asked to discuss how you've configured or optimised them in past roles.
✨Demonstrate Problem-Solving Skills
Prepare to share examples of how you've tackled complex incidents or platform issues in the past. Think about specific challenges you faced, the steps you took to resolve them, and the outcomes. This will show your troubleshooting skills and ability to work under pressure.
✨Understand Regulatory Requirements
Since this role is in a regulated environment, it’s crucial to understand compliance and audit requirements. Familiarise yourself with relevant regulations in financial services and be ready to discuss how you’ve ensured compliance in your previous roles.
✨Showcase Your Collaboration Skills
This position involves working closely with a 24/7 Security Analyst team and SOC providers. Be prepared to talk about your experience collaborating with others, especially in high-stakes situations. Highlight any successful projects where teamwork was key to achieving results.
