26 to 41 of 41 Systems Administrator Jobs in London

Linux System Administrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Client has multiple locations - the London office is smail and you will be the single Linux administrator. Some Windows administration skills … directly and interact with them frequently. Good communication skills are important. About the Role We are seeking a hands-on professional for our growing systems administration team. Systems Administrators are responsible for the workstations and servers of our rapidly expanding trading operations. In addition to all systems work both on the desktops and in the datacenters, Systems Administrators frequently interact with users at various levels all across our organization. Skills & Attributes: Fluency in Linux administration is a must Experience in Debian/Ubuntu preferred Strong communication skills A demonstrated ability to work tasks to completion More ❯

Linux System Administrator Our client is a mid-size financial services firm which is a L inux shop both on the server side and the trader desktops. Client has multiple locations - the London office is smail and you will be the single Linux administrator. Some Windows administration skills … directly and interact with them frequently. Good communication skills are important. About the Role We are seeking a hands-on professional for our growing systems administration team. Systems Administrators are responsible for the workstations and servers of our rapidly expanding trading operations. In addition to all systems work both on the desktops and in the datacenters, Systems Administrators frequently interact with users at various levels all across our organization. Skills & Attributes: Fluency in Linux administration is a must Experience in Debian/Ubuntu preferred Strong communication skills A demonstrated ability to work tasks to completion More ❯

covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems integration services to help our clients maximize value in their infrastructure resources, while optimizing infrastructure performance and cost. Responsibilities Responsible for running and maintain More ❯

mix of innovative technology and sector expertise to customers in the national security, engineering, and health industries. Leidos is seeking an Intermediate Linux System Administrator for a position supporting the Defense Information Security Agency (DISA) in Columbus, OH. This is an onsite position; no full-time telework is … complex Linux issues. Preferred Qualifications: At least 1 year scripting and automation experience. Experience with SSL/TLS, S/MIME, authentication, encrypted file systems, code signing. Experience with AWS cloud services. Ability to install and configure software, firmware, upgrades, and security patches. Ability to optimize and improve existing More ❯

Linux System Administrator - VoIP (Telecom) Location: Remote (UK) Salary: £60k-£90k Start Date: ASAP A leading telecom provider is looking for an experienced Linux System Administrator to manage and optimise its VoIP infrastructure. This is a hands-on, fully remote role ideal for someone with a … strong background in Asterisk , Kamailio , FreeSWITCH , and Linux systems administration . Key Responsibilities: Maintain and troubleshoot VoIP servers and call quality issues. Deploy and manage high-availability platforms using Corosync, Pacemaker, and DRDB. Configure MySQL replication and support database performance. Automate processes using shell scripting (Bash); Python/Perl More ❯

System Administrator London Hybrid working - 2 days a week on site £300 per day day - Inside IR35 We're currently supporting a higher education institution in securing an experienced System Administrator for an initial 6-month contract. This role offers a fantastic opportunity to work on … to their recruitment systems, ensuring all improvements are delivered efficiently and with minimal disruption. Key Experience & Skills: Strong track record as a System Administrator with hands-on experience supporting HR/recruitment platforms Direct experience with TalentLink or similar systems Confident stakeholder engagement and communication skills More ❯

System Administrator London Hybrid working - 2 days a week on site £300 per day day - Inside IR35 We're currently supporting a higher education institution in securing an experienced System Administrator for an initial 6-month contract. This role offers a fantastic opportunity to work on … to their recruitment systems, ensuring all improvements are delivered efficiently and with minimal disruption. Key Experience & Skills: Strong track record as a System Administrator with hands-on experience supporting HR/recruitment platforms Direct experience with TalentLink or similar systems Confident stakeholder engagement and communication skills More ❯

HIGHER EDUCATION EXPERIENCE IS ESSENTIAL** System Administrator - Student Systems Fully remote Contract until Dec 2025 Start ASAP. Your new company You will be joining a dynamic and forward-thinking university that is committed to leveraging technology to enhance the student lifecycle from application through to award. The … university values innovation and efficiency in managing student information systems. Your new role As the Banner Technical Administrator, you will be responsible for implementing the student information system. This includes development and configuration work to meet the University's business requirements, focusing on business workflow, experience cards, and More ❯

HIGHER EDUCATION EXPERIENCE IS ESSENTIAL** System Administrator - Student Systems Fully remote Contract until Dec 2025 Start ASAP. Your new company You will be joining a dynamic and forward-thinking university that is committed to leveraging technology to enhance the student lifecycle from application through to award. The … university values innovation and efficiency in managing student information systems. Your new role As the Banner Technical Administrator, you will be responsible for implementing the student information system. This includes development and configuration work to meet the University's business requirements, focusing on business workflow, experience cards, and More ❯

Role: System Administrator Job Type: Permanent Location: London, United Kingdom Join us as a System Administrator - this is a great opportunity to grow your experience in a fast-growing global IT company. Careers at TCS: It means more TCS is a purpose-led transformation company, built … brightest global minds in the industry. Support many of the biggest brands in the UK and worldwide. Job Purpose and primary objectives The System Administrator will be the first point of contact for providing technical support to the accounts designated users. Activities require a competent aptitude for working … with applications, computer systems, handheld devices and to undertake analysis, diagnosis and resolution of issues which may range from straightforward to more complicated technical issues to their desired resolution. Your Profile Key Responsibilities: Provide onsite support for all IT services offerings, including how to connect to the network (wired More ❯

Role: System Administrator Job Type: Permanent Location: London, United Kingdom Join us as a System Administrator - this is a great opportunity to grow your experience in a fast-growing global IT company. Careers at TCS: It means more TCS is a purpose-led transformation company, built … brightest global minds in the industry. Support many of the biggest brands in the UK and worldwide. Job Purpose and primary objectives The System Administrator will be the first point of contact for providing technical support to the accounts designated users. Activities require a competent aptitude for working … with applications, computer systems, handheld devices and to undertake analysis, diagnosis and resolution of issues which may range from straightforward to more complicated technical issues to their desired resolution. Your Profile Key Responsibilities: Provide onsite support for all IT services offerings, including how to connect to the network (wired More ❯

eligible to obtain Enhanced Developed Vetting (EDV) clearance - This requires British Citizenship and 10 years of continuous residency in the UK. Are you a SysAdmin or Support/Ops Engineer with experience in Defence or National Security? How would you feel about the opportunity to evolve your skillset into the More ❯

eligible to obtain Enhanced Developed Vetting (EDV) clearance - This requires British Citizenship and 10 years of continuous residency in the UK. Are you a SysAdmin or Support/Ops Engineer with experience in Defence or National Security? How would you feel about the opportunity to evolve your skillset into the More ❯

eligible to obtain Enhanced Developed Vetting (EDV) clearance - This requires British Citizenship and 10 years of continuous residency in the UK. Are you a SysAdmin or Support/Ops Engineer with experience in Defence or National Security? How would you feel about the opportunity to evolve your skillset into the More ❯

Job Description Operating Company: GroupM Job Title: System Operation Administrator Department/Team: GroupM Finance Reporting To: System Operations Director Location: London About GroupM: GroupM is the leading global media investment management operation serving as the parent company to WPP media agencies including Mindshare, Wavemaker, and EssenceMediaCom. GroupM … role is to assist the business with a wide range of ad-hoc duties & projects across the group. This includes overall management of the systems that control our media bookings, expenses, POs, operational finance, and reporting finance use within DDS/MediaOcean. The team's objective is to support More ❯

accurate, and up-to-date automotive data and insights, creating significant competitive advantages for our customers. Role Overview: The D365 CRM System & Data Administrator will be essential in ensuring the seamless operation and integrity … of our Microsoft Dynamics 365 system, a key tool used by over 600 colleagues. The successful candidate will work closely with the Senior System Administrator to provide excellent internal user support and perform key administrative tasks. Additional responsibilities include collaborating with internal stakeholders to improve and maintain system … and validation mechanisms to maintain data integrity. Implement data retention policies to optimize storage in Dynamics 365. User Support: Work with the Senior System Administrator to support internal users, resolve enquiries, and provide solutions. Assist users with data queries, views, lists, dashboards, and segmentation. Collaborate with the Dynamics More ❯