It Sysadmin Linux jobs in London

*NetSuite System Administrator | £50,000 - £70,000 | London (Hybrid)** We’re looking for a hands-on NetSuite System Administrator to take ownership of a critical business system in a growing, international organisation. Reporting directly to the CFO, you’ll play a key role in keeping NetSuite runnin

Location: London (Brixton) – hybrid, at least 2 days in the office Salary: Up to £30k *About You** You will be a tech savvy Operations or Reservation administrator and problem solver, looking for a new challenge within a fast-growing and evolving organisation. Growing your skills as the business doe

*Location:** London (Brixton) – hybrid, at least 2 days in the office *Salary:** Up to £30k *About You** You will be a tech savvy Operations or Reservation administrator and problem solver, looking for a new challenge within a fast-growing and evolving organisation. Growing your skills as the busine

The ideal candidate will design, organize, and modify the company's computer systems. This individual will evaluate and assess systems to ensure they are operating effectively. Based on assessments, this individual will harness collected knowledge and make adjustments to existing systems. Responsibi

Herefordshire- United Kingdom (On-site with limited remote work) Contract: 10 May 2026 - 30 December 2026 38 hours per week (Monday-Friday, 09:00-17:00) Travel: 25-40% deployment required SC/DV Cleared required: NATO Secret can be added About the Role We are seeking a skilled and proactive System Ad

Microsoft Windows Server VMware IT Service Management *Required Security Clearance:** NATO SECRET *SPECIFIC WORKING CONDITIONS** Must be able to lift items up to 25kg. This position requires physical work on deployed warships involving movement in small spaces. This position requires 25%-40% Tempora

Spektrum have a wide range of exciting opportunities in several global locations. We are always looking to add great new talent to our team and look forward to hearing from you. Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem

We’re Hiring: Production – Unix Linux System Administrator *Location:** Osterley, Greater London (Onsite) *Duration:** 6+ Months *About the Role** We are looking for a highly motivated *Platform Controller** to support and monitor broadcast distribution platforms in a fast-paced, 24/7 operational en

*Deadline Date:** Monday 6 April 2026 *Requirement:** System Administrator (Standing Naval Forces) *Location:** Northwood, UK *Full Time On-Site:** Yes *Time On-Site:** 100% *Total Scope of the request (hours):** 836 *Required Start Date:** 1 July 2026 *End Contract Date:** 31 December 2026 *Require

*Deadline Date:** Friday 3 April 2026 *Requirement:** System Administrator (Standing Naval Forces) *Location:** Northwood, UK *Full Time On-Site:** Yes *Time On-Site:** 100% *Total Scope of the request (hours):** 1115 *Required Start Date:** 11 May 2026 *End Contract Date:** 31 December 2026 *Requir

IT Architect (Linux) London / WFH to £90k<br /><br />Are you an IT Architect looking for an opportunity to work on complex and interesting systems in a senior, hands-on role?<br /><br />You could be progressing your career at a successful and expanding software house that pro

*Linux Systems Administrator** *Overview** 🏢 *Company** | Financial Markets Infrastructure 👤 *Position** | Linux Systems Administrator 🎯 *Impact** | Running critical infrastructure used by financial markets and trading platforms 📏 *Team** | Small specialist infrastructure group 🌟 *Environment**

System Administrator (Microsoft Dynamics 365) Contract Type: Permanent Full time (34.5 hours) we are open to a conversation about how you work these hours Location Hybrid - Split between home and a Macmillan office (London, Shipley or Glasgow) Salary Range £49,500 - £53500 About us At Macmillan you'

Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure. Why we need this role We are seeking a highly skilled Linux Engineer who will act as a technical subj

*Enterprise Services Principal Administrator (Identity)** *Location:** London (Hybrid – 3 days onsite) *Salary:** £90,000 per year *Position Purpose** Our client is on an ambitious journey to modernise its IT infrastructure and application portfolio, delivering resilient, cloud-native, and hybrid on

Colt provides network, voice and data centre services to thousands of businesses around the world, allowing them to focus on delivering their business goals instead of the underlying infrastructure. *Why we need this role** We are seeking a highly skilled Linux Engineer who will act as a technical s

Job Description: Avature System Administrator Role Details Role/Job title: Avature System Administrator Work Location: UK (Any location) The Role Responsible for Avature system configuration, workflow creation, documentation of configuration decisions/business & system requirements. Your Responsibil

Job Description: Avature System Administrator Role Details Role/Job title: Avature System Administrator Work Location: UK (Any location) The Role Responsible for Avature system configuration, workflow creation, documentation of configuration decisions/business & system requirements. Your Responsibil

Enterprise Services Principal Administrator (Identity) Location: London (Hybrid – 3 days onsite) Salary: £90,000 per year Position Purpose Our client is on an ambitious journey to modernise its IT infrastructure and application portfolio, delivering resilient, cloud-native, and hybrid on-premis

Job Overview We are looking for a skilled and motivated *IT Support & System Administrator** to join our client’s team. In this role, you will be responsible for maintaining IT systems, providing technical support to users, and ensuring the smooth operation of servers, networks, and workplace te