Linux Job Trends in the City of London

Linux
Central London > City of London

The table below provides summary statistics and salary benchmarking for jobs advertised in the City of London requiring Linux skills. It covers permanent job vacancies from the 6 months leading up to 14 January 2026, with comparisons to the same periods in the previous two years.

6 months to
14 Jan 2026
Same period 2025 Same period 2024
Rank 73 39 46
Rank change year-on-year -34 +7 -3
Permanent jobs citing Linux 64 167 142
As % of all permanent jobs in the City of London 2.77% 6.29% 5.07%
As % of the Operating Systems category 31.53% 34.36% 29.58%
Number of salaries quoted 52 115 118
10th Percentile £51,500 £47,200 £45,875
25th Percentile £55,000 £50,625 £57,500
Median annual salary (50th Percentile) £80,000 £60,000 £77,500
Median % change year-on-year +33.33% -22.58% -6.06%
75th Percentile £96,250 £77,500 £98,438
90th Percentile £119,125 £102,250 £115,000
Central London median annual salary £80,000 £60,000 £77,500
% change year-on-year +33.33% -22.58% -3.13%

All Operating Systems
City of London

Linux falls under the Operating Systems category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring operating system skills in the City of London.

Permanent vacancies with a requirement for operating system skills 203 486 480
As % of all permanent jobs advertised in the City of London 8.80% 18.31% 17.14%
Number of salaries quoted 168 325 424
10th Percentile £31,250 £36,550 £32,500
25th Percentile £40,000 £47,000 £41,250
Median annual salary (50th Percentile) £55,000 £60,000 £60,000
Median % change year-on-year -8.33% - -7.69%
75th Percentile £83,750 £77,500 £81,250
90th Percentile £100,000 £109,000 £100,500
Central London median annual salary £55,000 £57,500 £60,000
% change year-on-year -4.35% -4.17% -1.64%

Linux
Job Vacancy Trend in the City of London

Historical trend showing the proportion of permanent IT job postings citing Linux relative to all permanent IT jobs advertised in the City of London.

Linux job vacancy trend in the City of London

Linux
Salary Trend in the City of London

Salary distribution trend for jobs in the City of London citing Linux.

Salary distribution trend for jobs in the City of London citing Linux

Linux
Salary Histogram in the City of London

Salary distribution for jobs citing Linux in the City of London over the 6 months to 14 January 2026.

Salary histogram for Linux in the City of London

Linux
Co-Occurring Skills & Capabilities in the City of London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 6 (9.38%) Microsoft Exchange
2 2 (3.13%) Apache
2 2 (3.13%) nginx
3 1 (1.56%) Apache Spark
Applications
1 3 (4.69%) Microsoft Excel
2 2 (3.13%) Microsoft Office
Cloud Services
1 12 (18.75%) Azure
2 11 (17.19%) AWS
3 6 (9.38%) Entra ID
3 6 (9.38%) Microsoft 365
4 5 (7.81%) OpenShift
5 4 (6.25%) Amazon CloudWatch
5 4 (6.25%) Amazon EC2
6 3 (4.69%) AWS CloudFormation
6 3 (4.69%) GCP
6 3 (4.69%) GitHub
6 3 (4.69%) Serverless
6 3 (4.69%) Virtual Private Cloud
7 2 (3.13%) Amazon EKS
7 2 (3.13%) Amazon ElastiCache
7 2 (3.13%) Amazon OpenSearch
7 2 (3.13%) Amazon S3
7 2 (3.13%) AWS Lambda
7 2 (3.13%) Azure Sentinel
7 2 (3.13%) CloudFront
7 2 (3.13%) GitHub Actions
Communications & Networking
1 10 (15.63%) Network Security
2 9 (14.06%) Firewall
3 8 (12.50%) WAN
4 6 (9.38%) LAN
4 6 (9.38%) VoIP
5 5 (7.81%) DHCP
5 5 (7.81%) TCP/IP
6 4 (6.25%) Broadband
6 4 (6.25%) Multicast
7 3 (4.69%) DNS
8 2 (3.13%) DOCSIS
8 2 (3.13%) DSL
8 2 (3.13%) IPv4
8 2 (3.13%) IPv6
8 2 (3.13%) PPP
8 2 (3.13%) RTP
8 2 (3.13%) SAN
8 2 (3.13%) SNMP
8 2 (3.13%) VPN
8 2 (3.13%) Wi-Fi
Database & Business Intelligence
1 4 (6.25%) Amazon RDS
1 4 (6.25%) MySQL
2 3 (4.69%) NoSQL
2 3 (4.69%) Relational Database
3 2 (3.13%) Amazon Aurora
4 1 (1.56%) Apache Hive
4 1 (1.56%) Big Data
4 1 (1.56%) Data Lake
4 1 (1.56%) Data Warehouse
4 1 (1.56%) Elasticsearch
4 1 (1.56%) Hadoop
4 1 (1.56%) InterSystems Cache
4 1 (1.56%) RDBMS
Development Applications
1 6 (9.38%) Git
2 3 (4.69%) JIRA
2 3 (4.69%) Visual Studio Code
3 2 (3.13%) CircleCI
3 2 (3.13%) GitLab
3 2 (3.13%) Jenkins
4 1 (1.56%) Burp Suite
4 1 (1.56%) Cypress.io
4 1 (1.56%) Jaeger
4 1 (1.56%) Mocha
4 1 (1.56%) webpack
General
1 22 (34.38%) Finance
1 22 (34.38%) Social Skills
2 6 (9.38%) Front Office
3 5 (7.81%) Inclusion and Diversity
4 4 (6.25%) Analytical Skills
4 4 (6.25%) Financial Institution
5 3 (4.69%) Documentation Skills
6 2 (3.13%) Back Office
7 1 (1.56%) Advertising
7 1 (1.56%) Banking
7 1 (1.56%) Investment Banking
7 1 (1.56%) Multimedia
7 1 (1.56%) Organisational Skills
7 1 (1.56%) Telecoms
Job Titles
1 12 (18.75%) Senior
2 9 (14.06%) Developer
3 8 (12.50%) Administrator
3 8 (12.50%) Linux Engineer
4 7 (10.94%) Analyst
4 7 (10.94%) DevOps Engineer
4 7 (10.94%) Linux Administrator
4 7 (10.94%) Support Engineer
5 6 (9.38%) C++ Developer
5 6 (9.38%) Platform Engineer
6 5 (7.81%) Cybersecurity Analyst
6 5 (7.81%) Security Analyst
7 4 (6.25%) Cloud Platform Engineer
7 4 (6.25%) Linux Support
8 3 (4.69%) Architect
8 3 (4.69%) AWS Engineer
8 3 (4.69%) Azure DevOps Engineer
8 3 (4.69%) Azure Engineer
8 3 (4.69%) Cloud Engineer
8 3 (4.69%) Security Specialist
Libraries, Frameworks & Software Standards
1 11 (17.19%) FIX Protocol
2 3 (4.69%) Elastic Stack
2 3 (4.69%) LAMP
2 3 (4.69%) LDAP
3 2 (3.13%) Loki
3 2 (3.13%) Node.js
4 1 (1.56%) Boost C++ Libraries
4 1 (1.56%) D3.js
4 1 (1.56%) DPDK
4 1 (1.56%) JDBC
4 1 (1.56%) Kafka
4 1 (1.56%) Next.js
4 1 (1.56%) OAuth
4 1 (1.56%) OAuth2
4 1 (1.56%) ODBC
4 1 (1.56%) OpenTelemetry
4 1 (1.56%) React
4 1 (1.56%) Redux
Miscellaneous
1 6 (9.38%) Derivative
1 6 (9.38%) Security Operations Centre
2 5 (7.81%) Cyber Defence
3 4 (6.25%) Data Centre
3 4 (6.25%) PKI
4 3 (4.69%) CMDB
4 3 (4.69%) Equities
4 3 (4.69%) Private Cloud
4 3 (4.69%) Public Cloud
5 2 (3.13%) Distributed Systems
5 2 (3.13%) Fixed Income
5 2 (3.13%) Foreign Exchange (FX)
5 2 (3.13%) FPGA
5 2 (3.13%) Linux Command Line
5 2 (3.13%) Onboarding
5 2 (3.13%) Self-Motivation
6 1 (1.56%) Cloud Native
6 1 (1.56%) Distributed Architecture
6 1 (1.56%) Distributed Denial-of-Service
6 1 (1.56%) Management Information System
Operating Systems
1 20 (31.25%) Windows
2 14 (21.88%) Unix
3 13 (20.31%) Red Hat Enterprise Linux
4 5 (7.81%) CentOS
5 4 (6.25%) Windows Server
6 3 (4.69%) Rocky
6 3 (4.69%) Ubuntu
7 2 (3.13%) OpenWrt
7 2 (3.13%) Oracle Linux
8 1 (1.56%) AIX
8 1 (1.56%) Debian
8 1 (1.56%) Kali Linux
8 1 (1.56%) Mac OS
8 1 (1.56%) Solaris
8 1 (1.56%) Windows 10
Processes & Methodologies
1 13 (20.31%) DevOps
2 12 (18.75%) CI/CD
2 12 (18.75%) Incident Response
2 12 (18.75%) Infrastructure as Code
3 11 (17.19%) Problem-Solving
3 11 (17.19%) SIEM
4 10 (15.63%) Cybersecurity
4 10 (15.63%) Security Operations
5 8 (12.50%) Low Latency
6 7 (10.94%) Fintech
6 7 (10.94%) High Availability
6 7 (10.94%) Root Cause Analysis
6 7 (10.94%) Threat Intelligence
6 7 (10.94%) Use Case
7 6 (9.38%) Cloud Security
7 6 (9.38%) Infrastructure Automation
7 6 (9.38%) Infrastructure Engineering
7 6 (9.38%) Knowledge Transfer
7 6 (9.38%) Roadmaps
7 6 (9.38%) SOAR
Programming Languages
1 26 (40.63%) Python
2 13 (20.31%) PowerShell
3 10 (15.63%) Bash
3 10 (15.63%) C++
4 8 (12.50%) SQL
5 6 (9.38%) Java
6 5 (7.81%) Shell Script
7 3 (4.69%) C
8 2 (3.13%) JavaScript
8 2 (3.13%) Perl
9 1 (1.56%) Go
9 1 (1.56%) R
9 1 (1.56%) Rust
9 1 (1.56%) VBA
Qualifications
1 8 (12.50%) Degree
2 5 (7.81%) GIAC
3 4 (6.25%) CISSP
4 3 (4.69%) Azure Certification
4 3 (4.69%) CompTIA Security+
4 3 (4.69%) Network+ Certification
4 3 (4.69%) Novell Certification
5 2 (3.13%) CISM
6 1 (1.56%) CCNA
6 1 (1.56%) CCNP
6 1 (1.56%) CCSP
6 1 (1.56%) CISA
6 1 (1.56%) Cisco Certification
6 1 (1.56%) DV Cleared
6 1 (1.56%) MCITP
6 1 (1.56%) MCSA
6 1 (1.56%) MCSE
6 1 (1.56%) Microsoft Certification
6 1 (1.56%) Security Cleared
6 1 (1.56%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 5 (7.81%) NIST
2 1 (1.56%) GDPR
2 1 (1.56%) HIPAA
2 1 (1.56%) ISO/IEC 27001
2 1 (1.56%) Sarbanes-Oxley
System Software
1 11 (17.19%) Active Directory
2 7 (10.94%) Docker
3 4 (6.25%) Virtual Desktop
3 4 (6.25%) VMware Infrastructure
3 4 (6.25%) XenApp
3 4 (6.25%) XenDesktop
Systems Management
1 20 (31.25%) Ansible
2 11 (17.19%) Terraform
3 10 (15.63%) Kubernetes
4 7 (10.94%) Grafana
5 5 (7.81%) Microsoft Intune
5 5 (7.81%) Prometheus
5 5 (7.81%) Single Sign-On
6 4 (6.25%) SCCM
7 3 (4.69%) Computer Emergency Response Teams
7 3 (4.69%) CSIRT
7 3 (4.69%) Nagios
7 3 (4.69%) Red Hat Satellite
8 2 (3.13%) Argo
8 2 (3.13%) Red Hat Spacewalk
9 1 (1.56%) Kustomize
9 1 (1.56%) Podman
9 1 (1.56%) Progress Chef
9 1 (1.56%) Puppet
Vendors
1 17 (26.56%) Microsoft
2 13 (20.31%) Red Hat
3 5 (7.81%) VMware
4 4 (6.25%) Citrix
5 3 (4.69%) Dell
5 3 (4.69%) Google
6 2 (3.13%) Atlassian
6 2 (3.13%) CrowdStrike
6 2 (3.13%) HP
6 2 (3.13%) Oracle
6 2 (3.13%) Splunk
7 1 (1.56%) Apple
7 1 (1.56%) Cisco
7 1 (1.56%) Databricks
7 1 (1.56%) Imperva
7 1 (1.56%) Palo Alto
7 1 (1.56%) Solarflare