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About the Role
The Senior Security Engineer will report to the Information Security Operations Manager. This is a hands-on engineering role focused on building and delivering security controls for critical initiatives, including SIEM and PKI/BYOK integrations, and Defender for Cloud and Purview configuration. The ideal candidate will possess strong Microsoft, Azure, cloud, and enterprise security experience to design, configure, and enhance security solutions within a complex environment. While familiarity with security monitoring and incident handling is expected, this role is not suitable for individuals whose experience is limited to those areas. The successful candidate will quickly grasp complex environments, take ownership of technical delivery, collaborate effectively with various teams, and clearly communicate technical risks and recommendations. The role involves participation in incident, change, and problem management, with occasional out-of-hours work for planned changes, maintenance, or urgent security responses.
Responsibilities
- Build and deliver security controls supporting critical Change initiatives including SIEM and PKI/BYOK integrations, Defender for Cloud and Purview configuration.
- Design, configure, and improve security solutions across a complex environment.
- Understand complex environments quickly.
- Take ownership of technical delivery, often leading a small team.
- Work effectively with IT, development, and business teams.
- Communicate technical risks and recommendations clearly.
- Participate in incident, change, and problem management.
- Perform out-of-hours work for planned change, maintenance, or urgent security response.
Requirements
- Extensive hands-on cyber security engineering experience across IT security, network security, systems engineering or comparable enterprise environments.
- Strong Microsoft, Azure, Microsoft 365, cloud security, network architecture and hybrid environment security knowledge.
- Proven ability to design, configure, implement and improve security technologies, controls, tooling and processes.
- Experience with SIEM technologies, security monitoring, incident response, vulnerability management, patch compliance, server security and endpoint security.
- Ability to work independently, take ownership of technical deliverables and collaborate effectively with IT, Development and wider business teams.
- Clear communication, documentation and presentation skills, with the ability to explain technical risks and recommendations to technical and non-technical stakeholders.
- Proficiency with Windows, Linux, command-line tools and scripting languages such as PowerShell or Python.
- Experience gained within a legal, financial services or similarly regulated organisation (Desirable).
- Awareness of security frameworks and best practice including NCSC guidance, OWASP, NIST CSF, CIS Controls, ISO 27001, ISMS principles and GDPR (Desirable).
- Experience with automation, security testing, forensic investigation activities, DLP monitoring, privileged access, key management or HSM infrastructure (Desirable).
Skills
- Microsoft
- Azure
- Cloud security
- Enterprise security
- SIEM technologies
- Security monitoring
- Incident response
- Vulnerability management
- Patch compliance
- Server security
- Endpoint security
- Windows
- Linux
- Command-line tools
- PowerShell
- Python
- Automation
- Security testing
- Forensic investigation
- DLP monitoring
- Privileged access
- Key management
- HSM infrastructure
- NCSC guidance
- OWASP
- NIST CSF
- CIS Controls
- ISO 27001
- ISMS principles
- GDPR
Location
- London
Work Type
- Hybrid
- 6 month FTC
Experience Level
- Senior
Education Level
- Bachelor's degree in Computer Science, Information Security or a related field, equivalent practical experience, or relevant security certification such as SANS, CISSP, ISACA, CEH or OSCP.
About the Company
- A leading international law firm for global corporations, financial institutions, capital market participants and investment fund managers.
- Global presence spanning the Americas, Europe, the Middle East and Asia.
- Advises on the laws of Bermuda, the British Virgin Islands, the Cayman Islands, Guernsey, Ireland and Jersey.
- Treats everyone as an intelligent professional, trusting and empowering people to deliver consistently and succeed.
- Values diversity as a secret weapon, with people gathered from across the globe, fluent in languages, jurisdictions and cultures.
Equal Opportunity
- Walkers global is an equal opportunity employer.
- Equality and diversity are key to our global identity and an integral part of our goal to continue being an employer of choice.
- Committed to a work environment that supports all individuals irrespective of gender, ethnicity, nationality, race, religion, marital status, age, disability, pregnancy, sexual orientation, gender identity or any other applicable legally protected characteristics.
- Makes every effort to ensure that employment opportunities are open and accessible to all purely on the basis of personal ability.