Detection Engineer, NCC Group

• Candidates do not need to meet every requirement, but should have experience in some of the following:
• Splunk SPL or similar query language
• Security detection engineering, SIEM engineering, threat hunting, or security monitoring
• Cloud audit logs, especially AWS; GCP or OCI experience is also useful
• MITRE ATT&CK and common attacker behaviours
• Kubernetes or container security monitoring
• Cloud security concepts such as IAM, KMS, security groups, route tables, ACLs, object storage, and service accounts
• Use of allowlists, thresholds, baselines, aggregation, and anomaly-style detection logic
• Regex and basic scripting, e.g. Python, Bash, or PowerShell
• Documentation using Jira, JSM, Confluence, or similar tools

Desirable

• NCC Group is looking for a Detection Engineer to join the Detection Engineering team. The role will focus on developing, maintaining, and improving Splunk-based security detections across cloud, infrastructure, and custom log sources
• The successful candidate will help turn security risks, threat models, assurance requirements, and log sources into practical detections that can be deployed, tuned, and documented
• Develop and maintain detections using Splunk SPL
• Analyse logs from cloud, infrastructure, application, gateway, Linux, SSH, CDN, vulnerability management, and audit sources
• Create detections for areas such as:
• Cloud security monitoring and cloud control-plane activity,
• Infrastructure, platform, and access-related security events,
• Bespoke assurance use cases based on customer-specific log sources,
• Suspicious or anomalous activity identified through threat models, security testing
• Review existing detection coverage and identify gaps
• Assess new log sources and define detection use cases
• Map detections to MITRE ATT&CK, risk scenarios, and assurance requirements where relevant
• Tune detections to reduce false positives and improve analyst usability
• Document detection purpose, logic, alerting criteria, data source, MITRE mapping, false positives, and investigation guidance
• Support SOC analysts with alert context and investigation advice

• We review every application received and will get in touch if your skills and experience match what we’re looking for. If you don’t hear back from us within 10 days, please don’t be too disappointed – we may keep your CV on our database for any future vacancies and we would encourage you to keep an eye on our career opportunities as there may be other suitable roles
• Please note that this role involves mandatory pre-employment background checks due to the nature of the work NCC Group does. To apply, you must be willing and able to undergo the vetting process