1 to 25 of 44 Systems Administrator Jobs in London

Systems Administrator - London - ITSA IT Systems Administrator About the Role We are seeking an experienced and proactive IT Systems Administrator to join our IT Department. The successful candidate will be responsible for administering, maintaining, and improving the Company’s office … server environments and enterprise services. Manage users, permissions and security groups. Administer Hyper-V virtual infrastructure. Manage backups. Monitor performance, availability and reliability. Ensure systems remain secure through patch management. Perform server maintenance and upgrades. Troubleshoot and resolve complex infrastructure issues. Participate in infrastructure implementation and upgrade projects. Maintain ...

Senior Business Systems Administrator – Business Systems, ERP, CRM, NetSuite, Salesforce, Integrations, Automation, API, SaaS Applications, Systems Administration, Business Applications, Process Improvement, Stakeholder Management, Change & Transformation, Configuration, Troubleshooting, Data Governance, Security, Access Management, SuiteScript, SQL, Celigo, Boomi, MuleSoft, Dynamics 365, Oracle, SAP, Workday, Business Systems Manager, Applications Manager, Enterprise Applications, Technical Support, Platform Ownership, System Enhancements – London – £65,000 – £70,000 Our client is seeking a Senior Business Systems Administrator to support and enhance a range of business-critical applications. The role will focus on systems administration, integrations, process improvement ...

Linux Systems Administrator – DockerTimes Fastest Growing firmsQuant Capital is urgently looking for a Linux Systems Administrator to join our high profile client in their main development team.Our client is a small but well known big data piracy software business, disrupting a well established market.The … product will be the enterprise-grade technology platform written in Python and Twisted with a Django frontend.On a day to day basis the Linux Systems Administrator will:? Maintain and Improve my clients infrastructure? Keep their infrastructure secure against hackers and data leaks? Make sure they’re resilient ...

Windows Systems Administrator – Quant Trading 80,000 + benefits and bonus Quant Capital is urgently looking for a Windows Systems Administrator to join our high profile client. This is an environment of Google or a startup where tech is number 1 with a huge … learning from you. My client has a mixed Windows and Linux environment spread across physical and virtual machines. This position suits a talented Windows Systems Admin to focus on Windows servers and desktops. You will be responsible for the entire Windows infrastructure which is critical for the continuity ...

Sales Systems Administrator Location: Brentford Salary: £36,000 + benefits Our client, a well-established building supplies company, is looking for a Sales Systems Administrator to join their team on-site in Brentford. This is a great opportunity for someone with strong … communication skills to get hands-on with a company's core sales systems and play a key role in improving business processes. You'll be trained to a high standard on the company's principal IT system, working closely with the Sales Team to drive process improvements and support ...

Linux Systems Administrator – Trading systems35,000-65,000Location: City of LondonChallenge: Supporting the infrastructure sitting beneath a best in class trading systems used by banks, hedge funds and institutional traders worldwide.Systems Engineer Quant Capital is urgently looking for a Systems Engineer to join our high … side clients as well as Algo Execution. They have offices globally (travel arranged for your benefit if wanted).I am seeking a mid-level Systems Engineer with three (2+) or more years of experience to work in a systems engineer/network/infrastructure focused support role.The primary ...

Salary: Up to 35,000 + bonus and benefitsQuant Capital is urgently looking for a graduate Linux systems admin to join our high profile client.Our client is a very well know retail trading business based in London, they are looking for junior Linux engineers/administrators to join … experience and work with cutting edge Opensource technologies. We are looking for bright and enthusiastic candidates who want to focus their career on Linux systems and Development.You will be part of a team ensuring my clients Linux infrastructure is supported across the world, you will be monitoring mission critical ...

Building 2, Moretown, Floor 5 4 Thomas More Street London, LON E1W1YW, GBR We are seeking a proactive and detail-orientedGlobal Financial Systems Administratorto oversee the administration, optimization, and support of our enterprise financial systems. This newly established role is responsible for ensuring the reliability, security, and performance … financial technology ecosystem, includingNetSuite, Kyriba, Concur, Stripe, Ramp, and system integrations throughBoomi. The ideal candidate combines strong technical expertise with financial systems knowledge, project management capabilities, and leadership experience to support global business operations. Key Responsibilities As the Global Financial Systems Administrator, you will: Administer, configure ...

Career Moves are partnering with a respected, long‐standing property real estate companybased in the heart of London that is seeking an experiencedBusiness Systems Analystto join their team. The Business Systems Administrator will play a pivotal role in driving the performance, reliability, and continuous evolution … involving Horizon and other enterprise applications. Help maintain data quality, governance standards, and system controls. Skills & Experience Minimum 3 years' experience in a Business Systems, ERP Support, Application Support, Systems Administration, or similar role. Experience supporting business-critical systems within property, real estate, finance, or related commercial ...

Linux Systems Administrator – Fintech65,000Quant Capital is urgently looking for a Linux DevOps Engineer to join our high profile client.Our client is a major global financial exchange, driven by technology. They are at the bleeding edge of not only product ideas but also technology and data manipulation. … DevOps Engineer will:Analyzing and optimizing trading platform Monitoring development activities, change management tickets Monitoring U.S. production, disaster recovery, and certification systems for issues Assisting build team to resolve build/deployment issues Working Jira tickets assigned to DevOps Capacity planning Managing operational batch processingDevOps Engineers Must Have:Experience ...

around the world, helping construction teams build more accurately, efficiently and with fewer mistakes. As we continue to scale, we’re investing in the systems, data and processes behind our growth. We’re looking for a TA/People Systems Administrator to join our Talent Acquisition … essential for this role. The Role This is a great opportunity for someone who enjoys working at the intersection of Talent Acquisition, systems, data and operations. You’ll take day-to-day ownership of the administration and optimisation of Ashby, helping us get more from the platform ...

more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. Job Description: Shield AI is seeking a highly autonomous Staff Systems Administrator to serve as the accountable technical owner for enterprise IT infrastructure and end-user computing within a dedicated, security-sensitive entity environment. … This senior individual contributor will design, implement, operate, secure, and continuously improve on-premises systems, cloud platforms, identity services, networks, and endpoints while preserving required legal, operational, information-security, and access boundaries. The role combines deep infrastructure ownership with hands-on service delivery. The successful candidate will translate security ...

Abtrace Ltd. is seeking a Systems Administrator to own our internal infrastructure, identity and endpoint estate in a hands-on role within a small team. You will manage AWS, Microsoft 365, Entra ID and device management across Windows and macOS, ensuring security, audit readiness and runbooks. This ...

backer of solar power in Europe. Today, we proudly manage over £8bn in renewable energy assets worldwide. We are looking for an experienced Finance Systems Administrator with strong, practical knowledge of both Yooz and SAP. This role supports a complex portfolio of renewable energy assets and requires … managers and third‐party software providers, ensuring robust controls and seamless system operations. What you'll do Yooz Administration: Act as the primary system administrator for Yooz, managing supplier onboarding, bank detail changes, user roles, approval workflows, and query resolution. SAP & Systems Support: Support ...

Systems & Network Administrator ONSITE Heathrow/Heston £50,000 – £80,000 depending on experience We are recruiting for an experienced and hands-on IT Systems & Network Administrator to join our client’s IT team. This is a varied infrastructure role covering network administration, firewall … disaster recovery and security requirements. Work with external IT suppliers and support infrastructure projects where required. About You 5+ years' experience in an IT Systems, Network Administration or Infrastructure role. Proven hands-on experience with SonicWall firewalls – this is essential. Strong knowledge of VMware ESXi/vSphere . Experience ...

Side is seeking an IT Systems Administrator to join its global IT Support team in London. You will maintain corporate servers, network infrastructure, and desktops (Windows, Mac, Linux) and manage Active Directory, Office 365, Intune, and security controls. The role requires 5 years' experience in QA/ ...

Lomar Shipping Limited is seeking an experienced IT Systems Administrator to join our IT Department in London. You will be responsible for administering, maintaining, and improving the company’s office and vessel IT infrastructure to ensure high availability, security, and reliability. You will manage Windows Server environments ...

Abtrace is seeking a Systems Administrator to own internal infrastructure, identity and endpoint estate. You will manage AWS, Microsoft 365, Intune and hybrid work practices in a small team, handling support tickets and security/compliance in a NHS data‐intensive environment. The role requires hands ...

maximise funding. We work with over 600 primary care practices across the UK, covering 7.5 million patients. The Role We are seeking a Systems Administrator to own our internal infrastructure, identity and endpoint estate, and to keep the internal support pipeline moving alongside it. This … hands‐on role in a small team. You will be responsible for the systems and also for the tickets they generate. There is no separation here between designing a control and being the person who applies it, or between owning the endpoint estate and unlocking an account at short ...

Shield AI is seeking a highly autonomous Staff Systems Administrator to own enterprise IT infrastructure and end-user computing in a security-sensitive environment. You will design, operate, secure, and improve on-prem and cloud infrastructure, identity services, networks, and endpoints with strong adherence to compliance ...

growth trajectory has been nothing short of impressive, creating exciting new horizons for expansion. Now this organisation is looking to add a Linux Systems Administrator to its ranks. In this role, your primary focus will be to assume control over Linux and, to a certain extent, Windows ...

United States Digital Space LLC is seeking a TA/People Systems Administrator to optimise Ashby and scale our recruitment operations in a data-driven way. You'll own day-to-day Ashby administration, build dashboards, maintain data integrity and provide recruiter support. You will coordinate interviews … help streamline offers and onboarding as we grow. We're looking for someone curious, proactive and detail-focused, who can bridge Talent Acquisition, systems #J-18808-Ljbffr ...

managing access, devices, and day-to-day troubleshooting. The role is hands-on within a small team, with a clear path toward a Systems Administrator position and involvement in our security and audit programme. Based in Paddington, the company operates under high security and compliance standards, including ...

York, with rapid growth expectations to hundreds. About The Role Hiring sits at the centre of Volta's growth. As our Ashby Systems Administrator, you will take full ownership of the Ashby environment behind every hire we make, supporting the teams building our AI factories across Europe … problem-solving, with the ability to turn evolving requirements into working configurations Clear communication with both technical and non-technical users Experience scaling recruitment systems across multiple countries, and integrating Ashby with HRIS and BI platforms, would be a strong advantage What We Offer At Volta, we believe people ...

York, with rapid growth expectations to hundreds. About The Role Hiring sits at the centre of Volta's growth. As our Ashby Systems Administrator, you will take full ownership of the Ashby environment behind every hire we make, supporting the teams building our AI factories across Europe … problem-solving, with the ability to turn evolving requirements into working configurations Clear communication with both technical and non-technical users Experience scaling recruitment systems across multiple countries, and integrating Ashby with HRIS and BI platforms, would be a strong advantage What We Offer At Volta, we believe people ...