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<h2 class="h5">Job description</h2> <div class="t-break" data-jb-field="description"> <span>At ITRS, we make society's critical technology work.<br> Our mission is to deliver automated and holistic IT observability solutions that safeguard critical applications and enable innovation.<br> We are the only monitoring and observability platform designed for the most demanding and regulated industries — trusted by 90% of Tier 1 capital markets firms.<br> We believe when our team thrives, so do our customers.<br> With us, you'll find: A culture that backs you – We're proud to be a Great Place to Work for multiple years in a row due to our inclusive, supportive environment.<br> Work that matters – Make a real difference with 1,000s of global customers in industries that keep the world running, including 9 out of 10 top investment banks.<br> Room to grow – Whether you're starting your career or bringing years of experience, we're committed to your development.<br> Just ask our team members who've been excelling here for 10+ years.<br> With headquarters in London and teams across the US, Europe, Africa and Asia, ITRS combines the agility of a high-impact tech business with the stability of a private equity–backed global partner.<br> Scope of Role The ITRS IT Support works internally across the organisation to ensure a secure, reliable, and efficient working environment that enables employees to perform their roles effectively.<br> The function provides global technical support to ITRS offices and staff, covering end-user services, cloud platforms, and core IT infrastructure.<br> The role includes responsibility for supporting and maintaining internal IT systems, cloud services, office and data centre infrastructure, and critical platforms such as domain controllers, identity and access management, networking, and related services.<br> The team acts as a key operational interface between users and underlying systems, ensuring availability, performance, and security across on-premises and cloud environments.<br> This role is front line (Level 1 basic support, level 2 in depth analysis, Level 3 root cause investigation and correction, including working closely with technical departments and staff), helping ITRS staff with their IT issues.<br> As an Senior IT &amp; System Administrator, you will: Contribute to and maintain the continuity of the IT infrastructure across the whole ITRS Group IT landscape.<br> Contribute to enhancing efficiency in every department by providing the necessary tools and equipment essential to the individual roles.<br> Coordinate with team leads for their requirement for hardware, peripherals, software, access, and cloud provisioning.<br> Proactively working with various stakeholders, such as DevOps and Customer Success teams for the proper designation of roles and handling/preventive maintenance of the servers.<br> Provide, protect and maintain the cybersecurity of ITRS across assets, resources, software, hardware, infrastructure, access codes and firewalls.<br> Contributing to the positive usr experience in using IT and security infrastructure and equipment.<br> Group health insurance (or simply Group insurance, depending on context) Meal vouchers Performance bonus Referral Bonus Buy and Sell Holiday Training Reimbursement ITRS is an Equal Opportunity employer and Inclusion is part of our everyday life.<br> We celebrate diversity and pride ourselves on providing an environment where all employees can be their authentic selves and have a voice, allowing everyone to contribute equally.<br> We remain committed to advocating inclusion, diversity, and equality into our ITRS family as we grow and enrich our business.<br> We welcome applications from everyone in the community as we recognise that a diverse workforce is a stronger workforce.<br> You will have: 7 years’ professional experience within IT Support, Desktop Support, L2 or L3 systems administration infrastructure support.<br> Strong understanding of networking and infrastructure technologies.<br> Experience troubleshooting complex technical issues.<br> Experience managing servers, endpoints and cloud services.<br> Strong understanding of IT security principles.<br> Excellent problem-solving and analytical skills.<br> Ability to work independently and take ownership of technical issues.<br> Fluent in written and spoken English Desirable Qualifications ITIL Foundation Windows and Linux server Networking and storage</span> </div>