Lead Systems Engineer - Global Security

What we’re all about:

Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity!  But we’re more than that. ✨ Our mission? To make IoT management a breeze for any device, anywhere. With over 10 million IoT subscriptions  active in 165 countries  and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain.

Innovation is in our DNA , and we have an insatiable hunger to ‘wow’! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market. Our expertise spans across various sectors, including industry, agriculture, healthcare, security, transport, utilities, and smart cities.

IoT… a fancy acronym or a secret code?

The  Internet of Things (IoT) is like the magical glue that keeps the world connected! ✨ From ordering your favourite takeaway to the ANPR technology that helps you find a parking spot, IoT is everywhere—even if you don’t realize it. At  Wireless Logic , we provide cutting-edge connectivity solutions and technologies to ensure a vast array of devices stay seamlessly connected.

The role  

The company is seeking an experienced Lead Systems Engineer with extensive security and disaster recovery experience to provide technical leadership ensur ing that Operating Companies ( OpCos ) implement and maintain effective security controls, disaster recovery (DR), and business continuity measures in line with Group policies.  

In addition to hands-on engineering responsibilities, this role includes team leadership and capability development, ensuring that local and central engineering teams are effectively guided, supported and aligned with Group strategy.

This hands-on role will leverage strong systems engineering expertise to support local IT teams in defining, implementing, and rigorously testing Disaster Recovery plans, as well as enhancing defences against ransomware and other cyber threats.  

Key relationships  

Systems Engineers will work closely with the Group Infrastructure team, as well as local IT and operations teams in each operating company.  

They will collaborate with the CISO and wider security operations function to align infrastructure controls with group security strategy, provide technical guidance to application owners and platform specialists.

Responsibilities include:  

• Security Engineering & Compliance
  • Oversee and coordinate security engineering activities across teams, ensuring consistent standards and effective delivery.
  • Guide OpCos in the deployment, configuration, and optimisation of security tools (e.g. Entra, MFA, SSO, Endpoint protection, Network segmentation, PAM, SIEM, Backup and recovery solutions).
  • Review local and cloud implementations to ensure technical alignment with Group security standards, toolsets, monitoring and reporting requirements. 4 Assist in incident response activities, particularly ransomware scenarios, ensuring containment and recovery are technically robust.  

• Disaster Recovery & Business Continuity
  • Partner with local IT teams to design and document DR plans for critical business systems. Across a wide range of cloud and on-premises infrastructure, including Windows, Linux, Containerised and Cloud native environments.
  • Lead technical DR testing exercises, including Tabletop, system failover, systems and data recovery, and backup validation.  
  • Analyse test outcomes, identify gaps, and provide practical remediation guidance.
  • Ensure recovery time objectives (RTOs) and recovery point objectives (RPOs) are understood, realistic and met.
  • Coordinate cross-team DR readiness efforts and ensure accountability for remediation actions.

• Technical Support & Collaboration
  • Act as a technical mentor to local IT teams, providing engineering-level guidance on system hardening, patch management, and resilience strategies.
  • Provide day-to-day leadership to engineers, including task prioritisation, workload management and technical oversight.
  • Conduct knowledge sharing sessions and promote best practices across teams.
  • Develop standardised runbooks and technical playbooks for ransomware prevention, response, and recovery.  

• Continuous Improvement
  • Work with the CISO and Security team to track emerging security threats and recommend technical improvements to security and resilience tooling.
  • Support the integration of cloud-based and on-premises systems into DR strategies.
  • Provide input into Group-wide security awareness initiatives, ensuring technical accuracy.  

Expertise Required  

• Strong background as a Systems Engineer / Infrastructure Engineer with significant exposure to IT Security and resilience.  
• Demonstrated experience leading or mentoring systems engineering teams in a technical environment
• Proven track record in designing and testing Disaster Recovery solutions across multiple technology stacks.  
• Familiarity with backup solutions, replication technologies, and high-availability architectures.  
• Knowledge of cybersecurity frameworks (ISO 27001, NIST, CIS Controls) and security tooling (EDR, SIEM, vulnerability management).  
• Excellent troubleshooting and problem-solving skills in complex environments.  
• Strong interpersonal skills, able to engage effectively with global teams.  
• Proven experience with zero trust security models in hybrid environments, least privilege enforcement, Privileged Access Management (PAM),  
• Strong knowledge of networking (routing, firewalls, segmentation, VPN, DNS, load balancers).  
• Practical expertise in AWS and/or Azure platforms, IAM, and cloud security controls.  
• Administration and hardening of VMware vSphere infrastructure.  
• Hands-on experience with Kubernetes.  
• Proficiency with Windows Server and Linux.  
• Advanced scripting and automation skills (PowerShell, Python, Bash, Terraform, Ansible).  
• Experience managing M365/Entra ID, SSO, MFA, and conditional access.  
• Experience with vulnerability management using tools such as Tenable.io.  
• Experience working in multi-national environments with diverse technical standards.  
• Knowledge of telecoms or IoT-related infrastructure.  

Behaviours  

Successful candidates will demonstrate a hands-on, problem-solving mindset, with a strong focus on delivering secure and resilient systems. They will be collaborative team players, able to work effectively with colleagues across geographies and technical disciplines. A proactive approach to automation, standardisation, and continuous improvement is essential, along with a willingness to challenge legacy practices and adopt modern, secure alternatives. Above all, they will act with integrity and accountability, ensuring that security and resilience remain at the forefront of their work.  

Why work with us? 

• The opportunity to work for an entrepreneurial Company   
• Full training, ongoing support, and the tools you need to grow and develop in your role  
• We are a company with a heart and who genuinely values and respects its employees
• A key role in delivering and strengthening resilience across a global organisation.  
• O pportunities to drive critical disaster recovery and security initiatives across multiple regions.  
• E xposure to complex hybrid cloud and telecoms infrastructure

Who are we? 

A new thing, device or asset is connected to Wireless Logic’s cellular platform every 18 seconds of every day. And today, Wireless Logic Group has over 6 million IoT SIM subscriptions active in 165 countries, with collaborative partnerships that provide reach into more than 750 global networks.  

The group is entirely customer and market-driven, meeting customers where they are to help them innovate by providing expert service and the most flexible, resilient, and secure connectivity solutions in the market.  

Wireless Logic’s purpose-built IoT connectivity platforms connect (globally and locally) across multiple mobile networks and technologies to give customers a single management window for their assets. It provides the ultimate connectivity, control, and security.  

Wireless Logic Group is backed by Montagu Private Equity, one of the world’s leading private equity-backed investors, giving Wireless Logic Group unrivalled financial strength.  

Where do I apply? 

If this sounds like a role you are interested in please submit your application directly through our website including your CV.  

Wireless Logic LTD are an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, transgender status, religion or belief, marital status, or pregnancy and maternity.  

We know the world has changed, and we want to offer our employees the chance to collaborate at our unique office spaces, whilst enjoying the convenience of working from home. We've adopted a hybrid working approach to give more flexibility on where and how we work. You'll find out more about what this means for this role during the recruitment process, but we are currently excited to have our employees experience our office culture as much as possible.

Wireless Logic Group unites and brings people together. We accomplish this when we lead with a lens of diversity, equity, and inclusion in everything we do. As a global company that drives culture we aim to reflect the world’s diverse voices both internally and externally to ensure success in our mission.

By applying for this role, you are consenting for us to hold and process your data in compliance with the General Data Protection Regulations. If you have any questions or wish to exercise your right to access, erase or restrict the holding or processing of your data please contact us ( View email address on job-boards.eu.greenhouse.io ) and we will respond to your query as soon as possible.