Senior Security Engineering Consultant

Infosec; Southampton; Hybrid; GBP 72,000 - 88,000; Full time

Benefits offered by this job

Performance-based bonuses

Collaborative engineering environment

Industry-leading benefits

Job summary

Infosec is seeking a Senior Security Engineering Consultant to join our cyber security practice. This hands-on role focuses on SOC modernization, detection engineering, and automation that improves customers' security posture.

You will design rules for SIEM and XDR, implement SOAR workflows, and work directly with customers to translate threats into concrete detections. Hybrid role with travel to customer sites and occasional office days in Basingstoke.

Qualifications

• Hands-on SIEM engineering and tuning of detection rules.
• Experience integrating SOAR playbooks & automations.
• Proficient in MITRE ATT&CK aligned detections.
• Strong client-facing consultancy experience.

Responsibilities

• Design and deliver detection rulesets across SIEM/XDR platforms.
• Develop and tune detection logic using KQL or equivalent languages.
• Design and implement SOAR automations and response workflows.
• Translate threat intel into improved detections and playbooks.
• Work directly with customers as a trusted technical consultant.

Skills

SIEM engineering

SOAR automation

Threat detection

KQL

Python scripting

Client-facing

Tools

Microsoft Sentinel

Cortex XSOAR

Logic Apps

Azure

Palo Alto XSOAR

Job description

Our client, a leader in the cyber security sector, is currently seeking a Senior Security Engineering Consultant to join their team. This permanent role is a hands‑on technical position within the Security Operations domain, focused on helping customers improve and automate their SOC functions, tooling, and detection capabilities.

Key Responsibilities

• Design and deliver detection rulesets across SIEM and XDR platforms
• Develop and tune detection logic using KQL or equivalent query languages
• Design detection use cases aligned to MITRE ATT&CK and real‑world attack techniques
• Map customer log sources to detection use cases to assess coverage and identify gaps
• Design and implement SOAR automations, integrations and response workflows
• Develop and document customer incident response playbooks aligned to detection outputs
• Translate threat intelligence and operational learnings into improved detections and automations
• Deliver detection as code pipelines, including structured use case development and versioning approaches
• Produce clear technical and customer-facing deliverables, including detection strategies, use case catalogues and coverage assessments
• Work directly with customers as a trusted technical consultant
• Lead workshops covering detection engineering, use case design and SOC maturity
• Guide customers on improving detection coverage and aligning to MITRE ATT&CK
• Clearly explain detection strategies, gaps and recommendations to both technical and non-technical stakeholders
• Work closely with platform onboarding and engineering teams to ensure smooth integration of delivered detections and automations
• Support SOC teams by ensuring delivered outputs are practical, usable and aligned to operational workflows
• Contribute to the continuous evolution of detection use cases, playbooks and automation patterns
• Support development of reusable detection content and delivery standards
• Contribute to lab work, testing and validation of detection approaches
• Identify gaps in telemetry, logging and enrichment, and provide recommendations to strengthen detection outcomes

Job Requirements

• Strong hands‑on experience with SIEM engineering, including developing and tuning detection rules, with Microsoft Sentinel preferred
• Experience writing detection logic using KQL or similar query languages
• Proven experience designing and implementing SOAR automations and playbooks such as Logic Apps, Cortex XSOAR or similar
• Scripting and automation capability using Python, PowerShell or similar, including working with APIs
• Experience designing detection use cases aligned to MITRE ATT&CK
• Strong understanding of detection coverage and how log sources map to the attack lifecycle
• Experience with XDR or EDR platforms such as Microsoft Defender, CrowdStrike or Cortex
• Understanding of cloud environments, particularly Azure, and associated security telemetry
• Experience working in customer‑facing or consultancy roles
• Strong communication skills, with the ability to explain technical concepts clearly

Technical Competencies

• SIEM and XDR platforms, including Microsoft Sentinel, Microsoft Defender, Palo Alto XSIAM or XDR, CrowdStrike and SentinelOne
• SOAR development, including automation and playbook design using platforms such as Palo Alto XSOAR or similar
• Scripting and integration using Python, PowerShell or similar, including API-driven automation
• Detection engineering aligned to MITRE ATT&CK, including use case design, ruleset development and coverage assessment
• Log source mapping and normalisation to support detection use cases
• Network Detection and Response technologies such as Vectra AI, Corelight or similar
• Cloud security and telemetry, particularly within Azure environments
• Threat intelligence integration and enrichment to support detection and response
• Development of customer playbooks and response workflows aligned to SOC operations
• General awareness of emerging technologies, including AI-driven security tooling and their application within detection and response

Job Specifics

• Location: This is a hybrid role, primarily remote but with a requirement of ad‑hoc travel to customer sites and attend the Basingstoke office as required to support delivery, workshops and engagements.
• Hours: Full-time, Monday - Friday, 9:00am - 5:30pm. There is no on‑call requirement for this position.

Benefits

• Salary up to £80,000
• Performance‑based bonuses
• Industry‑leading benefits
• A collaborative engineering environment
• Exposure to real‑world threats and modern detection approaches
• Opportunity to shape Security Operations capabilities