Security Engineer

Broadridge
Charing Cross, United Kingdom
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Charing Cross, United Kingdom

Tech stack

Query Performance
Amazon Web Services (AWS)
User Authentication
Azure
Software as a Service
Cloud Engineering
Configuration Management
Computer Security
Identity and Access Management
Python
Log Analysis
Parsing
Kusto Query Language
Security Information and Event Management
Syslog
Systems Integration
Data Logging
Scripting (Bash/Python/Go/Ruby)
Cloud Platform System
Data Ingestion
QRadar
Cyber Threat Analysis
Information Technology
Microsoft Sentinel
Splunk
Data Pipelines
Security Orchestration, Automation & Response

Job description

We are seeking a Microsoft Sentinel SIEM Engineer with strong experience designing, operating, and scaling enterprise Microsoft Sentinel SIEM or other SIEM platforms to support 24x7 Security Operations. This role is responsible for platform health, log ingestion pipelines, normalization, enrichment, detection content support, and integrations with security and IT systems. The SOC Engineer will partner closely with SOC Analysts, Threat Intelligence, BISG Information Security teams, and other stakeholders to ensure high-quality security telemetry, reliable detections, and an optimized analyst experience. This role also supports Mergers & Acquisitions (M&A) by onboarding new log sources and environments into the enterprise SIEM., * Engineer, operate, and optimize Microsoft Sentinel across one or more Log Analytics workspaces

  • Ensure Sentinel reliability, scalability, performance, and cost efficiency
  • Manage workspace architecture, retention, daily cap, and data tiering strategies
  • Monitor Sentinel platform health, ingestion latency, connector failures, and query performance
  • Design, build, and maintain scalable, highly available log ingestion pipelines, including parsing, normalization, enrichment, and filtering using technologies like Syslog, Sentinel data connectors, Azure Monitor Agents, etc.
  • Onboard and maintain data sources across cloud, on-prem, SaaS, and security tools (EDR, IAM, network, application logs)
  • Tune data quality, performance, and cost efficiency across the SIEM environment
  • Develop and maintain integrations between the SIEM and security platforms (EDR, SOAR, Threat Intel, ITSM)
  • Support M&A security onboarding by integrating acquired environments into the SIEM
  • Implement monitoring, alerting, and health checks for SIEM infrastructure and data pipelines
  • Troubleshoot ingestion, parsing, correlation, and performance issues impacting SOC visibility
  • Automate repetitive SIEM operational tasks using scripting or platform-native capabilities
  • Document SIEM architecture, data sources, standards, and operational runbooks
  • Collaborate with cloud, infrastructure, and network teams to ensure complete and reliable telemetry coverage

Requirements

  • 5+ years of experience in SIEM Engineering, Security Operations Engineering, or SOC Platform roles
  • Strong hands-on experience with at least one enterprise SIEM platform (e.g., Splunk, Azure Sentinel, Elastic, QRadar) - preference to candidates with MS Sentinel experience.
  • Deep understanding of log formats, schemas, parsing, normalization, and enrichment techniques
  • Experience onboarding diverse log sources: cloud platforms, operating systems, applications, IAM, and security tools
  • Strong troubleshooting skills for ingestion latency, parsing errors, dropped events, and performance bottlenecks
  • Understanding of detection concepts, correlation logic, and SOC workflows
  • Experience integrating SIEM with SOAR, EDR, ITSM, and threat intelligence platforms
  • Familiarity with cloud environments (AWS and/or Azure) and cloud-native logging services
  • Scripting experience (Python, SPL, KQL, or equivalent) to support automation and analysis
  • Solid foundation in networking, authentication, and security fundamentals, * Background in SIEM deployments or management
  • Experience optimizing SIEM performance, scalability, and cost management
  • Experience supporting SIEM use cases during M&A integrations
  • Hands-on experience with SOAR and automated response workflows
  • Familiarity with Infrastructure as Code or configuration management for SIEM infrastructure
  • Experience working in regulated or financial services environments

Soft Skills

  • Strong problem-solving and troubleshooting skills
  • Ability to work across Security, IT, and Engineering teams
  • Strong documentation and communication skills
  • Automation-first and reliability-focused mindset

Hybrid Flexible at Broadridge

We are made up of high-performing teams that meet in person to learn and collaborate as needed. This role is considered hybrid, which means you'll be assigned to a Broadridge office.

About the company

We are dedicated to fostering a collaborative, engaging, and inclusive environment and are committed to providing a workplace that empowers associates to be authentic and bring their best to work. We believe that associates do their best when they feel safe, understood, and valued, and we work diligently and collaboratively to ensure Broadridge is a company-and ultimately a community-that recognizes and celebrates everyone's unique perspective.

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