Security Engineer

Computappoint; Greater London; On-site; GBP 65,000 - 80,000; Full time

Benefits offered by this job

Hybrid work

Office in City of London

Job summary

Computappoint is seeking a Security Engineer to lead and deliver SIEM-focused security engineering initiatives for a prestigious City of London law firm. This fixed-term contract spans 6 months, offering a hybrid arrangement with 2 days in our City of London office each week.

You will drive log source onboarding, detections, dashboards and automation, engaging with technical and business stakeholders to deliver secure outcomes.

Qualifications

• Proven security engineering experience beyond pure SOC/analyst roles.
• Hands-on SIEM engineering and integration across multiple platforms.
• Experience delivering security-related projects and platform enhancements.
• Strong log ingestion knowledge (JSON/Syslog/CEF/XML).
• Experience building detections, dashboards, and automation workflows.
• Scripting with Python/PowerShell or similar.

Responsibilities

• Lead and contribute to security engineering projects across the business.
• Enhance, optimise and integrate SIEM technologies and tooling.
• Onboard and integrate new log sources across cloud, on‑premise, network and identity.
• Design and implement security solutions to improve detection and response.
• Develop detections, dashboards, workflows and automation initiatives.
• Support security change/build activities and collaborate with stakeholders.
• Provide guidance across security platforms and document work.
• Produce high-quality technical and operational documentation.

Skills

SIEM engineering

Client-facing

Security architectures

Python

PowerShell

Stakeholder management

Business English

Threat detection

Education

Computing qualification (A Level 4+)

CISSP/SSCP/GIAC SC-200/SC-100 certifications

Tools

Splunk

Microsoft Sentinel

Exabeam

QRadar

Elastic

SOAR platforms

Job description

Salary: £65,000 - 80,000 per year

Requirements

• Proven experience in a Security Engineering role rather than a purely SOC or analyst-focused position.
• Strong hands-on SIEM engineering and integration experience with platforms such as Microsoft Sentinel, Splunk, Exabeam, QRadar, or Elastic.
• Experience delivering security-related projects, change initiatives, and platform enhancements.
• Strong understanding of log ingestion technologies and formats including JSON, Syslog, CEF, and XML.
• Experience building and tuning detections, correlation rules, dashboards, and security workflows.
• Scripting and automation experience using tools such as Python, PowerShell, or similar technologies.
• Ability to manage multiple projects and competing priorities within a fast-paced environment.
• Excellent communication and stakeholder management skills, with confidence engaging both technical and non-technical audiences.
• Strong business English, both written and verbal.
• Previous experience within a law firm, professional services organisation, or consultancy environment is highly desirable.
• Experience in client-facing or business-facing security roles is highly desirable.
• Knowledge of MITRE ATT&CK, threat detection, security operations, and security architecture principles is highly desirable.
• Familiarity with SOAR platforms and security automation is highly desirable.
• Relevant certifications such as CISSP, SSCP, Microsoft SC-200/SC-100, or GIAC certifications are highly desirable.
• A Level 4 qualification or higher in a computing-related discipline, or equivalent commercial experience, is highly desirable.

Responsibilities

• Lead and contribute to a range of security engineering and improvement projects across the business.
• Enhance, optimise, and integrate security technologies, with a particular focus on SIEM platforms and associated tooling.
• Identify, onboard, and integrate new log sources across cloud, on-premise, network, endpoint, and identity environments.
• Design, build, and implement security solutions that improve our detection, monitoring, and response capabilities.
• Develop and refine detection use cases, dashboards, workflows, and automation initiatives.
• Support the design and execution of security-related change and build activities.
• Work closely with technical teams, security stakeholders, and business users to deliver successful outcomes.
• Provide subject matter expertise and technical guidance across security platforms and projects.
• Produce and maintain high-quality technical and operational documentation.

Technologies

• AI
• Cloud
• Support
• JSON
• Network
• PowerShell
• Python
• Security
• Splunk
• XML

More

We are offering a fixed-term contract for 6 months in a hybrid working arrangement, with 2 days in our City of London office each week. This is an exciting opportunity to play a pivotal role in delivering and advancing security engineering initiatives within a globally recognised law firm. You will join a fast-paced and dynamic environment where you will contribute to a variety of security projects, helping to strengthen our security capabilities while supporting key business objectives. This role is suited to a proactive, high-energy individual who enjoys building relationships across the organisation, working autonomously, and driving security initiatives forward with minimal supervision. We are committed to a professional recruitment process and do not use AI to filter or assess candidates.

last updated 33 week of 2026