Senior XSIAM Detection & Automation Engineer

Jobs Paloaltonetworks; United Kingdom; On-site; GBP 90,000 - 150,000; Full time

Job summary

Palo Alto Networks is seeking a Senior SOC Engineer within Unit 42 to drive the creation and optimization of custom detections and automated playbooks across our global customer base.

You will act as a trusted advisor, collaborating with clients to maximize their security posture using Cortex XSIAM and Unit 42 expertise. Strong expertise in detection lifecycles, automation, threat intelligence, and incident response is required.

Qualifications

• 5+ years of hands-on experience in a Senior SOC, Detection Engineering, or Security Architecture role utilizing SIEMs, firewalls, EDR, sandboxes, and SOAR platforms in complex enterprise environments.
• Proven mastery of the Detection Engineering lifecycle, including experience with rule testing frameworks, soft-deployment strategies, and continuous tuning.
• Demonstrated experience reviewing and QA-ing detection logic written by others, with the ability to provide constructive optimization feedback.
• Exceptional consultative and communication skills, with the confidence to guide enterprise customers through complex architectural and workflow decisions.
• Proactive engineering mindset with a track record of designing complex automation playbooks (Cortex XSOAR or similar) based on anticipated threat vectors, not just reactive requests.
• Strong background in incident response, threat hunting, and translating threat intelligence into actionable defense mechanisms.
• Software development experience with a strong proficiency in Python for security automation and scripting.

Responsibilities

• Own the full lifecycle of custom detections and response automations, deploying them as high-fidelity Cortex XSIAM correlation rules and playbooks through a rigorous engineering process of development, testing, staging, and soft implementation.
• Drive the continuous refinement of correlation rules to ensure strict standards for performance, accuracy, and operational relevance.
• Translate Unit 42 threat intelligence research and emerging adversary TTPs into actionable, robust detection logic.
• Champion proactive automation by engineering sophisticated playbooks to resolve emerging security challenges and optimize operational workflows ahead of demand.
• Architect the end-to-end security lifecycle within Cortex XSIAM, seamlessly connecting data ingestion, high-fidelity detection engineering, and sophisticated response automation.

Skills

SIEMs

Firewalls

EDR

SOAR platforms

Python

Threat intelligence

Tools

Cortex XSOAR

Cortex XSIAM

Job description

Palo Alto Networks is seeking a Senior SOC Engineer within Unit 42 to drive the creation and optimization of custom detections and automated playbooks across our global customer base.

You will act as a trusted advisor, collaborating with clients to maximize their security posture using Cortex XSIAM and Unit 42 expertise. Strong expertise in detection lifecycles, automation, threat intelligence, and incident response is required.