Job Description Job Title: Third-line Support Engineer Department: IT Reporting To: Head of Networks, Infrastructure and Security The Company Mobius Networks is a pioneer in providing reliable, secure, quality connections for machine to Machine (M2M) and Internet of Things (IoT) systems worldwide. We have a strong track record of delivering data and services, providing remote diagnostics, and service improvements whilst being cost effective for our customers. Mobius Networks offers a select range of networks known for their security, reliability, and availability, setting us apart in the industry. Purpose of the role As a key member of the IT Team within Mobius Networks, the Third Line Support Engineer is responsible for resolving complex technical issues, maintaining service continuity and contributing to the stability, security and performance of both internal and customer facing IoT Infrastructure systems and solutions. Areas of focus for this role are to support both the Internal Infrastructure and Customer facing IoT networks whilst collaborating with the 24/7 Service Desk Team. This includes triaging and resolving faults, issues and incidents. In addition to this, the Third Line Support Engineer has responsibility for executing upgrades and delivering improvements in alignment with projects and continuous improvement plans. The role will play a key part in the delivery and implementation of customer solutions, all whilst ensuring the highest levels of reliability, scalability, and security for the services Mobius provides to its customers. Responsibilities: • Act as an escalation point for advanced technical issues, supporting both internal users and customer environments across Mobius’ IT and IoT infrastructure. • Investigate and resolve third-line incidents, including major and business-critical faults, ensuring minimal disruption to services. • Contribute to infrastructure changes, upgrades, and service improvements in collaboration with project and delivery teams. • Monitor system performance and proactively identify opportunities to optimise infrastructure reliability, scalability, and security. • Support and enhance Mobius’ cyber security posture through patching, configuration hardening, and incident response. • Maintain accurate technical documentation, including procedures, troubleshooting guides, and change records. • Collaborate with mobile network operators and internal teams to support and improve end-to-end service delivery. • Ensure adherence to operational processes and policies while identifying opportunities for improvement. • Achieve and maintain Cisco / Microsoft / Other vendor certifications as required for the role. Key Skills and Experience: • Minimum of 3 years’ experience within IT Support or Managed Services function • Highly technical with real hands-on experience with troubleshooting and resolving issues • Strong multitasking abilities with the capability to manage and prioritise workloads effectively and efficiently • Strong analytical and problem-solving skills • Collaborate and integrate seamlessly within a team • Comfortable working in a dynamic working environment • Excellent communication and documentation skills • Excellent Customer Service experience • Experience with working with third parties • Comfortable working both in an office environment and remotely Excellent working knowledge of : o Microsoft Sever Operating Systems o Active Directory o Switching, Routing and Security technologies o End User Compute (EUC) technologies Good working knowledge of: o Veeam and other third-party backup and recovery technologies o Virtualisation technologies, including Hyper V and VMWare o Firewall and VPN technologies and configuration o Switching and Routing technologies and configuration o Network Monitoring Tools, such as PRTG o Server-based client services (DHCP, DNS) o PowerShell scripting o Server, Client and Networking Hardware o Multi-Factor (MFA) / Two-Factor (2FA) tools and services o Endpoint Detection and Response (EDR) tools and services Desirable Criteria: o Microsoft Certifications o Cisco Certifications o Experience of Linux services and solutions o Email protection and security, such as Mimecast o Exposure or Experience of Cyber Essentials / Cyber Essentials Plus is advantageous o Exposure or Experience with RADIUS is advantageous, such as Steel-Belted or nuRADIUS Additional Information The Company offers 25 days holiday plus Bank Holidays, Private Health Insurance, and Pension. All employees must undertake a DBS (criminal record check) and credit check.