IT 2nd Line Support Engineer

IT 2nd Line Support Engineer – Sumer, Belfast, Northern Ireland, United Kingdom Sumer is a leading professional services group focused on supporting regional SMEs across the UK and Ireland. Backed by private equity, we are bringing together high‑quality accountancy firms to create a national group with deep local roots. As Sumer continues to scale, we’re seeking a forward‑thinking IT professional to help shape and support our evolving infrastructure, contributing directly to the success of our growing national network. This role offers a dynamic opportunity to lead IT service delivery on‑site, working closely with central teams and partners to ensure robust infrastructure, seamless onboarding, and exceptional user support. You’ll take ownership of on‑site IT operations, working in tandem with Sumer’s central IT team and external partners to create a seamless, secure, and productive technology environment for our teams. Key Responsibilities Provide troubleshooting and technical support for user devices, applications, and performance issues. Work alongside Sumer IT and our Managed Service Provider to support infrastructure integration projects and new system implementations. Collaborate with a range of external parties and vendors to resolve on‑site technical issues and elevate to 3rd line support when required. Manage application access and user permissions across key business systems. Apply and test software updates to ensure system performance and compliance. Manage and maintain the IT asset register, including procurement, stock control, and lifecycle management of hardware and equipment. Oversee IT setup for new starters, including workstation configuration, account creation, access permissions, and laptop profiling. Ownership of the full joiners and leavers process, ensuring timely access provisioning and deactivation. Administer Active Directory and Exchange tasks, including mailbox setup and management of distribution lists. Support and triage video conferencing systems, liaising with external providers where necessary. Support our wider Group IT Team with MS Windows 11 desktops. VMware based virtual server infrastructures. Microsoft 365 apps for business. MS Office 365 support and administration. Mimecast for web filtering / email security. Hardware configuration and setup based on organisational standards. Network support and maintenance. Firewall and remote access systems administration and support. Mobile devices such as smartphones and iPad device set up and support. Backup systems configuration and recovery. Skills, Knowledge & Expertise Demonstrated experience in IT support, ideally within a professional services environment, with a strong track record of delivering reliable and user‑focused technology solutions. Problem‑solving capabilities, with the ability to assess, triage, and resolve technical issues efficiently and independently. Exceptional communication and interpersonal skills, with a collaborative mindset to engage effectively with colleagues, stakeholders, and external partners. Strong multitasking abilities, capable of managing competing priorities across operational support and project‑based initiatives. Proactive and adaptable approach, with the confidence to take ownership of tasks, contribute to continuous improvement, and support broader team and business goals. Belong @ Sumer At Sumer, we know everyone’s journey is different. That’s why we’re committed to fairness, removing barriers, and giving people the support they need to do their best work. If you need any support during the hiring process, just let us know. Our values represent what matters most to us and guide how we work every day: We Shine Together We Do the Right Thing We Make It Count We know diverse teams make us stronger. That’s why we’re creating an inclusive workplace where everyone belongs and differences are valued and celebrated. Seniority level Mid‑Senior level Employment type Full‑time Job function Information Technology Industries Accounting Referral: Referrals increase your chances of interviewing at Sumer by 2×. #J-18808-Ljbffr