Security Engineering Team Lead

How You’ll Support Our Mission

ESO’s teams are growing, and our software is in demand globally by firefighters, paramedics, hospitals and governments. To meet this demand, we are building an industry-leading cyber security team in Belfast to protect our customers and data from a variety of fast moving and constantly evolving threats.

We are looking for a Security Engineering Team Leader to join our Belfast team, working alongside teams in Copenhagen, Czechia and the United States. Work alongside our fire, hospital and EMS Engineering teams to secure our mission‑critical applications. These applications are used to help our customers go about their daily job of protecting their communities and saving lives.

You’ll lead our team of Security Engineers, supporting and directing our Product & Technology team to ensure our products and systems are designed and implemented with a priority on security. You’ll collaborate closely with our Product & Technology team, contributing to application architecture and steering system implementation. Your teams’ work will draw on principles like defence in depth and leverage practices such as threat modelling and zero trust across a multi‑cloud environment – with focus on best practice, security by design and implementation of standards and frameworks across our portfolio.

Our Security Engineers have a high degree of autonomy, and are part of a high functioning, motivated and forward‑thinking team. You have the chance to join a diverse, growing and passionate team, working on critical products, whilst being supported with training opportunities and mentoring.

• Lead our team of Security Engineers – assisting with decision making and solution analysis, and enabling them to deliver security consulting to the wider business
• Work directly with, and provide escalated support and guidance to, our Product & Technology teams to assist in how our platform is built and how our applications behave; supporting everything from the security of our users inside our products to how our applications connect to the Internet.
• Have significant impact on the security of our systems that are used by thousands of firefighters, paramedics and hospitals worldwide.
• Be a key part of our cyber security team, with demonstrable impact on the security of our systems and applications.
• Help our teams to model threats using the STRIDE model, against new designs, ensuring appropriate protection and controls are in place.
• Make a difference by mitigating vulnerabilities across our systems, helping developers to produce secure code and evaluating new next‑gen security technologies.
• Respond to security and compliance issues generated via analysis or automated tools.
• Work collaboratively cross‑team, to impart your expertise across the organisation.
• Be in the detail, working shoulder‑to‑shoulder with our technology teams.

• At least 5 years’ experience in securing software or infrastructure in cloud platforms (e.g. Microsoft Azure, AWS, GCP)
• Securing systems in line with Well‑Architected Frameworks e.g. Azure Well‑Architected Framework
• Network experience – whether designing and building, managing or troubleshooting – you should have experience and confidence in your networking knowledge
• Applying security to networks, hosts, web applications and cloud native deployments
• Working with toolsets from one or more of: asset management, vulnerability management, firewalls, SIEM, PAM, IDS/IPS, EDR/XDR, DLP, SWG, WAF, CSPM, CNAPP
• A solid understanding and ideally experience in the design, implementation or run of one or more of: SAST/DAST/IAST/RASP

You should also:

• Having knowledge of Continuous Integration / Continuous Deployment best practices, and securing pipelines
• Understand current attack tactics, techniques and procedures along with the use of MITRE Attack framework and associated MITRE security research
• Be inquisitive, have a passion for what you do and understanding how your work impacts and contributes ESO’s success

• Exposure to Infrastructure as Code…