Security Platform Engineer

What you'll be doing:

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.

We want to hear from you if you:

• Have 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 (PowerShell, Python or similar).
• Experience with policy-as-code or infrastructure-as-code approaches.
• Relevant SIEM, security operations or cloud security certifications.

At Atech we’re committed to creating a diverse and inclusive workplace. We also recognise your experience may not be perfectly aligned to all the criteria in the job ad.  If you like the sound of this role, even if you don’t meet all the criteria, we encourage you to apply. You might just be the right fit for this or other roles.

What's in it for me?

• Competitive salary with the opportunity to grow your career in a leading cybersecurity business.
• 34 days annual leave including bank holidays and your birthday off.
• 4x salary life assurance for added peace of mind.
• Enhanced family leave, including 26 weeks' full pay for maternity and adoption leave, and 3 weeks' full pay for paternity leave.
• Company pension scheme with employer contributions.
• 12 dedicated training days per year plus full access to LinkedIn Learning to support your development.
• Flexible benefits platform offering Cycle to Work, Tech Scheme, gym membership discounts and retail savings.
• Health and wellbeing benefits, including healthcare cash plans and optional critical illness cover.
• Employee Assistance Programme (EAP) providing confidential support and counselling when you need it.
• The opportunity to work alongside some of the best security professionals in the industry on complex, high-impact cyber challenges.

Who you'll be doing it for:

Atech part of the Iomart Group is a highly accredited Microsoft Partner who delivers transformed technology with managed services. Our team of certified Microsoft experts align with your team to deliver an excellent service tailored to your individual needs, 24/7/365.

• Our services support 25,000 users globally and proactively monitor 45,000+ devices in key areas:
• Azure Infrastructure Managed Service
• Modern Workplace: Office 365, Microsoft 365, and Azure Virtual Desktop
• Managed Security and SOC with Microsoft Defender, Sentinel

What to do next:

Please click apply if you like the sound of this. If you do not have an up to date CV or want to have a chat about the role first, please contact us on [email protected]

We’re an equal opportunities employer and want our vacancies to be available to all, so if you need us to make any reasonable adjustments during the process then just let us know.