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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Infrastructure & Network Manager - **Company:** Certa Digital Infrastructure UK Ltd. - **Location:** Belfast, UK - **Experience:** Expert - **Salary:** £78,000.0 - £100,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Application Firewall, Microsoft Azure, Backup Devices, Cloud Computing, CompTIA Network+, Cyber Security, Information Systems, DevOps, Disaster Recovery, Monitoring of Systems, Hyper-V, Identity and Access Management, Information Technology Operations, Virtual Private Networks (VPN), Network Security, Linux System Administration, Network Control, Routing, Network Administration, Remote Access Technology, Software Engineering, Virtualization Technology, Wide Area Networks, Backup and Restore, Wireless Networks, Google Cloud, Enterprise Software Applications, Cloud Platform System, System Availability, Firewalls (Computer Science), Infrastructure as Code (IaC), Information Technology, Network Server, Cisco, Vmware - **Published:** July 23, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=c078349012dbaab2 ## About the Role * Bachelor's degree in Computer Science, Information Technology, Network Engineering, Cybersecurity, Information Systems, or a related field (Master's degree preferred) * Extensive experience in IT infrastructure management, network engineering, enterprise systems administration, or technology operations leadership * Strong expertise in routing and switching, firewalls, VPN technologies, Windows and Linux server administration, VMware, Hyper-V, Microsoft 365, Active Directory, Azure, AWS, and virtualization technologies * Experience with Infrastructure as Code (IaC), automation tools, enterprise monitoring solutions, backup systems, and IT service management frameworks (ITIL) * Strong knowledge of cybersecurity frameworks, ISO/IEC 27001, Cyber Essentials, GDPR, and enterprise risk management practices * Professional certifications such as Cisco CCNP/CCIE, Microsoft Certified: Azure Administrator, AWS Certified Solutions Architect, VMware VCP, CompTIA Network+, CISSP, or ITIL are highly desirable * Excellent leadership, communication, analytical, strategic planning, project management, and stakeholder management skills ## Description Certa Digital Infrastructure UK Ltd. is seeking a Senior Infrastructure & Network Manager to lead the planning, implementation, security, and ongoing management of the organization's IT infrastructure and enterprise network environment. The role is responsible for ensuring high availability, performance, scalability, and cybersecurity across on-premises and cloud-based infrastructure while supporting the company's digital transformation and business continuity objectives., * Lead the design, implementation, and management of enterprise IT infrastructure, including LAN/WAN, wireless networks, servers, storage, virtualization, and cloud platforms * Develop and execute infrastructure and network strategies that align with business objectives and technology roadmaps * Oversee network security, firewall administration, VPNs, identity and access management, and cybersecurity controls to protect enterprise systems and data * Manage cloud infrastructure across Microsoft Azure, AWS, or Google Cloud Platform (GCP), ensuring scalability, resilience, and cost optimization * Develop and maintain disaster recovery, backup, business continuity, and incident response plans to ensure operational resilience * Monitor infrastructure performance, network availability, capacity planning, and operational KPIs while driving continuous improvement initiatives * Collaborate with cybersecurity, software engineering, DevOps, and business stakeholders to support digital transformation projects and enterprise technology initiatives * Recruit, mentor, and develop infrastructure engineers, network administrators, and IT operations teams while fostering technical excellence and innovation ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [UK Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/326-uk-business-culture-and-etiquette) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)