Security & Infrastructure Operations Centre (SIOC) Engineer

About this role

At UBDS, we help organisations transform through cloud, cyber security, AI and digital innovation. As our Managed Services capability grows, we're looking for an experienced SIOC Network Engineer to support, maintain and optimise critical customer environments. This is a hands-on technical role within our Security and Infrastructure Operations Centre (SIOC), with a strong focus on networking, connectivity and enterprise infrastructure. You'll work across complex customer environments, troubleshooting network issues, responding to operational incidents and helping ensure services remain secure, resilient and highly available. Location: Manchester (Office-based) Working Pattern: Monday to Friday | Rotating shifts between 08:00–20:00 | On-call rota What You'll Do You'll: Monitor, support and troubleshoot customer network environments. Investigate and resolve network incidents, performance issues and connectivity problems. Configure and support firewalls, routers, switches, VPNs, SD-WAN and associated network services. Provide 2nd line support across enterprise networking, cloud networking and hybrid infrastructure. Troubleshoot LAN, WAN, DNS, DHCP, routing, switching and network security issues. Support firewall rule changes, network access requirements and connectivity requests. Monitor alerts and events across networking, infrastructure and security platforms. Assist with major incidents and work with technical teams to restore services quickly. Support network changes, upgrades and continual service improvement activities. Escalate complex technical issues to senior engineers and technology partners where appropriate. Produce and maintain technical documentation, network diagrams and operational procedures. Work closely with customers, internal teams and technology partners to investigate and resolve technical issues. Contribute to improving monitoring, operational processes and the overall reliability of customer network services. Skills & Experience This is not an exhaustive list of requirements. We're looking for someone with experience in several of these areas and a willingness to learn the rest. If you have a solid networking foundation and are keen to develop your skills, we'd encourage you to apply. Working knowledge of SD-WAN technologies (any vendor). Experience with Arista VeloCloud and/or Aruba EdgeConnect (Silver Peak) is advantageous. Basic understanding of dynamic routing protocols, including OSPF and BGP. Expert-level knowledge is not required. Familiarity with enterprise firewall technologies (any vendor). Experience with Palo Alto Networks and/or Fortinet FortiGate is advantageous. Understanding of enterprise switching concepts, including VLANs, trunking, Spanning Tree Protocol (STP) and basic Layer 3 switching. Experience with any major vendor platform is acceptable. Understanding of enterprise wireless networking and wireless LAN technologies. Exposure to Aruba AOS 8/10, Cisco Meraki or Fortinet wireless solutions is beneficial. Awareness of Secure Access Service Edge (SASE) concepts. Experience with platforms such as Zscaler is advantageous. Basic understanding of Microsoft Azure networking, including Virtual Networks (VNets), Virtual WAN (vWAN), User Defined Routes (UDRs) and hybrid network connectivity concepts. Familiarity with IPsec VPN technologies, including site-to-site VPN deployment and troubleshooting. Ability to troubleshoot and support enterprise network environments, escalating complex issues to senior engineers where appropriate. A willingness to learn and develop technical skills across networking, security, cloud networking and SD-WAN technologies. Strong analytical and problem-solving skills with a logical approach to troubleshooting. Excellent communication skills and the ability to work effectively as part of a team. Ability to prioritise and manage multiple incidents in a fast-paced operational environment. A proactive attitude and enthusiasm for learning new technologies. Desirable Qualifications Cisco Certified Network Associate (CCNA) certification, or equivalent networking knowledge. Microsoft Certified: Azure Network Engineer Associate (AZ-700) certification, or equivalent Azure networking experience. Benefits Why people choose to grow their careers at UBDS Group Professionals choose to grow their careers at UBDS Group for its reputation as a dynamic and forward-thinking organisation that is deeply committed to both innovation and employee development. At UBDS Group, employees are given unique opportunities to work on cutting-edge projects across a diverse range of industries, exposing them to new challenges and learning opportunities that are pivotal for professional growth. The Group’s culture emphasises continuous improvement, offering ample training programs, mentorship, and the chance to gain certifications that enhance their skills and marketability. UBDS Group fosters a collaborative environment where creativity and innovation are encouraged, allowing employees to contribute ideas and solutions that have a tangible impact on the company and its clients. This combination of professional development, a culture of innovation, and the opportunity to make meaningful contributions makes UBDS Group an attractive place for those looking to advance their careers and be at the forefront of technological and operational excellence. Employee Benefits Training – All team members are offered a number of options in terms of personal development, whether it is technical led, business acumen or methodologies. We want you to grow with us and to help us achieve more Private medical cover for you and your spouse/partner, offered via Vitality Discretionary bonus based on a blend of personal and company performance Holiday – You will receive 25 Days holiday, plus 1 day for Birthday and 1 day for your work anniversary in addition to UK bank holidays Electric Vehicle leasing with salary sacrifice Contributed Pension Scheme Death in service cover About UBDS Gr