Security Platform Engineer

At Atech, we're a leading managed services and cybersecurity provider, helping organisations stay secure, resilient and ahead of evolving cyber threats. As a Security Platform Engineer, you'll be responsible for the platforms that power our Security Operations Centre, ensuring they're secure, scalable and performing at their best.

You’ll be:

• Owning and optimising our SIEM, SOAR and AI-powered security tooling, ensuring maximum performance, reliability and value.
• Managing security platforms such as Microsoft Sentinel and AI-assisted investigation tools, helping our teams detect and respond to threats faster.
• Monitoring platform health, licensing, data ingestion and alert quality, proactively resolving issues before they impact service delivery.
• Designing and implementing integrations between security platforms, automation tools and customer environments.
• Driving automation and continuous improvement initiatives that reduce manual effort and improve operational efficiency.
• Leading the deployment of SIEM content, data connectors and detection capabilities into new customer environments.
• Owning platform governance, access controls and change management processes across the security engineering estate.
• Evaluating new technologies, product updates and AI-driven capabilities to keep our security services at the forefront of the industry.
• Working closely with Security Engineering, Security Automation and Threat Detection & Response teams to deliver best-in-class security outcomes.
• Supporting and enhancing AI-powered triage and investigation capabilities, helping to streamline and accelerate security operations.
• Creating and maintaining high-quality technical documentation, standards and best practices.
• Continuously improving the reliability, scalability and effectiveness of the platforms that underpin our managed security services.

This is a great opportunity for someone who enjoys combining platform engineering, automation and cyber security, while playing a key role in shaping the future of Atech's security operations capability.

• Have 3+ years' experience in a Security Engineering, Platform Engineering or Security Operations role with responsibility for security platforms.
• Have hands-on experience administering a SIEM platform (or comparable security platform), including licensing, capacity, performance and integration management.
• Understand log management, data normalisation, retention policies and data pipeline engineering across security and IT platforms.
• Have experience designing, maintaining and troubleshooting data connectors, integrations and automation workflows.
• Can demonstrate strong ownership of platform governance, configuration standards, change control and peer review processes.
• Have experience onboarding new customers, services or data sources into a SIEM environment, ensuring reliable and high-quality data collection.
• Are comfortable creating technical documentation, operational standards and processes that improve consistency and service quality.
• Have experience with security automation, AI-assisted tooling, SOAR platforms or advanced investigation technologies.
• Can identify opportunities to improve reliability, scalability and operational efficiency through automation and process improvement.
• Communicate technical concepts clearly and effectively with both technical and non-technical stakeholders.

Nice to have

• Experience with Intezer or similar AI-assisted triage and investigation platforms.
• Experience working within an MSSP or multi-tenant Security Operations environment.
• Scripting or automation experience (Power Shell, Python or similar).
• Experience with policy-as-code or infrastructure-as-code approaches.
• Relevant SIEM, security operations or…