SIEM Engineer
GrowingBuilding and maintaining the detection platform at the centre of security operations
SIEM Engineer Salary
United Kingdom
£50,000 – £85,000
United States
$90,000 – $145,000
Varies by location, sector, and experience. Last updated: 2025.
What Is a SIEM Engineer?
A SIEM Engineer designs, builds, and maintains the Security Information and Event Management platform that forms the technical backbone of a security operations centre. Where a SOC Analyst uses the SIEM to investigate alerts, a SIEM Engineer builds and maintains the system itself — onboarding log sources, developing detection rules, tuning alert thresholds, and ensuring the platform ingests, correlates, and surfaces the right data for the SOC team to work with effectively.
The role is a specialist intersection of security operations and platform engineering. SIEM Engineers write detection logic in platform-specific query languages — Splunk SPL, KQL for Microsoft Sentinel, or YARA-L for Chronicle — develop data pipelines that normalise logs from diverse sources, build dashboards and reports for SOC leadership, and continuously refine detection coverage against the MITRE ATT&CK framework. It is a technically demanding role that rewards people who combine security knowledge with engineering discipline and a methodical approach to platform management.
What Does a SIEM Engineer Do?
- Onboard new log sources to the SIEM by configuring data pipelines, parsers, and field normalisation for consistent ingestion
- Develop, test, and deploy detection rules and correlation searches aligned to prioritised threat use cases and attack patterns
- Tune existing detection rules to reduce false positive volume without degrading coverage across monitored threat categories
- Map detection coverage against the MITRE ATT&CK framework and remediate identified gaps through new rule development
- Integrate the SIEM with SOAR platforms, threat intelligence feeds, and endpoint detection tools to automate triage workflows
- Manage SIEM platform health across storage capacity, query performance, licensing utilisation, and data retention policy compliance
SIEM Engineer Skills
Hard Skills
- SIEM Platform Engineering
- Detection Rule Development
- Log Management
- Security Architecture
- Data Pipeline Orchestration
- Threat Intelligence
- Network Security
- Scripting
- Incident Management
- Performance Monitoring
Soft Skills
- Engineering DisciplineBuilding maintainable detection and pipeline logic
- Analytical RigourDeveloping accurate detection rules against ATT&CK
- Methodical ApproachSystematic log onboarding and threshold tuning
- CollaborationWorking closely with SOC analysts on detection needs
- Attention to DetailNormalising log sources across diverse formats
- RigourContinuous refinement of detection coverage and alert fidelity
SIEM Engineer Tools & Software
How to Become a SIEM Engineer
Typical Route
Most SIEM Engineers hold a bachelor's degree in Computer Science or Cybersecurity, typically reaching the role through progression from SOC analyst positions. NSA/DHS-designated National Centers of Academic Excellence programs at schools including Purdue University, the University of Maryland, and Carnegie Mellon provide relevant foundational grounding. Postgraduate study is uncommon as a direct route — operational SOC experience and demonstrated platform depth carry substantially more weight than academic level when hiring for SIEM engineering roles.
Alternative Route
Splunk Core Certified Power User and Splunk Enterprise Security Certified Admin are the most widely recognised SIEM-specific credentials; Splunk's own training platform delivers structured preparation in the US. Microsoft Security Operations Analyst (SC-200) covers Microsoft Sentinel and is valued in Microsoft-stack organisations. GIAC Certified Detection Analyst (GCDA) provides a platform-agnostic credential. TryHackMe offers SIEM-focused learning paths, and published detection rules and open-source contributions on GitHub are a strong portfolio signal for US employers.
A Day in the Life of a SIEM Engineer
Morning
Afternoon
SIEM Engineer Career Path
SOC Analyst / Security Engineer
0–3 yrs
SIEM Engineer
3–5 yrs
Senior SIEM Engineer
5–8 yrs
Detection Engineering Lead / Security Architect
8+ yrs
Head of Detection Engineering / CISO
10+ yrs
SIEM Engineer Job Outlook
SIEM Engineering is growing as organisations invest in maturing their detection and response capabilities beyond basic alert triage. Detection engineering as a discipline is professionalising rapidly — organisations are building dedicated detection engineering teams rather than relying on SOC analysts to maintain detection content alongside operational duties. Splunk and Microsoft Sentinel expertise are the highest-value platform skills in the current market.