Unix Contracts in London

Unix
England > London

The table below provides summary statistics for contract job vacancies advertised in London requiring Unix skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Unix over the 6 months leading up to 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 161 115 84
Rank change year-on-year -46 -31 +24
Contract jobs citing Unix 212 355 778
As % of all contract jobs advertised in London 1.69% 1.99% 2.88%
As % of the Operating Systems category 14.11% 16.77% 20.16%
Number of daily rates quoted 139 255 558
10th Percentile £365 £381 £454
25th Percentile £425 £503 £500
Median daily rate (50th Percentile) £550 £600 £600
Median % change year-on-year -8.33% - -
75th Percentile £650 £750 £700
90th Percentile £740 £850 £750
England median daily rate £500 £550 £550
% change year-on-year -9.09% - -
Number of hourly rates quoted 0 6 4
10th Percentile - £22.04 £53.75
25th Percentile - £22.08 £65.00
Median hourly rate - £22.23 £73.25
Median % change year-on-year - -69.66% +12.69%
75th Percentile - £23.43 £77.94
90th Percentile - £23.80 £81.43
England median hourly rate £55.00 £40.00 £57.50
% change year-on-year +37.50% -30.43% -11.54%

All Operating Systems
London

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

Contract vacancies with a requirement for operating system skills 1,502 2,117 3,859
As % of all contract IT jobs advertised in London 11.97% 11.87% 14.28%
Number of daily rates quoted 1,043 1,510 2,826
10th Percentile £250 £200 £213
25th Percentile £375 £325 £406
Median daily rate (50th Percentile) £500 £500 £550
Median % change year-on-year - -9.09% -
75th Percentile £641 £629 £675
90th Percentile £750 £750 £764
England median daily rate £475 £463 £513
% change year-on-year +2.70% -9.76% +2.50%
Number of hourly rates quoted 18 69 61
10th Percentile £17.72 £15.30 £18.93
25th Percentile £21.89 £18.93 £22.63
Median hourly rate £24.66 £22.00 £37.34
Median % change year-on-year +12.09% -41.08% +52.41%
75th Percentile £32.75 £33.75 £64.50
90th Percentile £53.80 £60.00 £75.00
England median hourly rate £24.18 £22.00 £38.00
% change year-on-year +9.91% -42.11% +76.74%

Unix
Job Vacancy Trend in London

Job postings citing Unix as a proportion of all IT jobs advertised in London.

Job vacancy trend for Unix in London

Unix
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing Unix in London.

Daily rate trend for Unix in London

Unix
Daily Rate Histogram in London

Daily rate distribution for jobs citing Unix in London over the 6 months to 1 May 2025.

Daily rate histogram for Unix in London

Unix
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing Unix in London.

Hourly rate trend for Unix in London

Unix
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Unix within the London region over the 6 months to 1 May 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
Central London +11 43 £575 -11.54% 10
South London +4 5 £469 -17.33% 2
West London +8 3 £600 +71.43%
East London +11 2 £415 -5.66% 1
Unix
England

Unix
Co-occurring Skills and Capabilities in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 12 (5.66%) nginx
2 11 (5.19%) Apache
3 7 (3.30%) WebSphere
4 6 (2.83%) Apache Spark
4 6 (2.83%) Confluence
5 5 (2.36%) Microsoft Exchange
5 5 (2.36%) OpenStack
5 5 (2.36%) SAS
5 5 (2.36%) Traefik
6 4 (1.89%) Oracle Workflow
6 4 (1.89%) Tomcat
7 3 (1.42%) JBoss
8 2 (0.94%) Adobe Experience Manager
8 2 (0.94%) MQSeries
8 2 (0.94%) NetWeaver
8 2 (0.94%) SharePoint
8 2 (0.94%) WebSphere Application Server
9 1 (0.47%) CICS
9 1 (0.47%) WebLogic
Applications
1 10 (4.72%) Microsoft Excel
2 8 (3.77%) Microsoft Office
2 8 (3.77%) MS Visio
3 4 (1.89%) Microsoft Project
4 1 (0.47%) Microsoft PowerPoint
Business Applications
1 4 (1.89%) Oracle EBS
1 4 (1.89%) Oracle EBS R12
2 3 (1.42%) Oracle Assets
2 3 (1.42%) Oracle Payables
3 2 (0.94%) Actimize
3 2 (0.94%) Fidessa
3 2 (0.94%) Oracle 11i
3 2 (0.94%) SAP IBP
4 1 (0.47%) iTrent
4 1 (0.47%) Kondor
4 1 (0.47%) NetSuite
4 1 (0.47%) Oracle General Ledger
4 1 (0.47%) Shopify
4 1 (0.47%) Summit
4 1 (0.47%) Unit4 Business World
Cloud Services
1 35 (16.51%) AWS
2 24 (11.32%) Azure
3 9 (4.25%) AWS CloudFormation
3 9 (4.25%) AWS Lambda
3 9 (4.25%) Serverless
4 8 (3.77%) Amazon CloudWatch
5 7 (3.30%) Virtual Private Cloud
6 6 (2.83%) Cloud Computing
6 6 (2.83%) Entra ID
6 6 (2.83%) GCP
7 5 (2.36%) Amazon ECS
7 5 (2.36%) AWS Fargate
8 4 (1.89%) Amazon EC2
8 4 (1.89%) Amazon EKS
9 3 (1.42%) Amazon S3
9 3 (1.42%) Azure API Management
9 3 (1.42%) Azure Data Factory
9 3 (1.42%) GitHub
10 2 (0.94%) Azure DevOps
10 2 (0.94%) Power Platform
Communications & Networking
1 16 (7.55%) DNS
2 14 (6.60%) Firewall
3 13 (6.13%) TCP/IP
4 10 (4.72%) HTTP
5 9 (4.25%) VPN
6 8 (3.77%) Network Security
7 7 (3.30%) HTTPS
7 7 (3.30%) SSL
8 6 (2.83%) BGP
9 5 (2.36%) DHCP
9 5 (2.36%) SSH
10 4 (1.89%) Cisco IOS
10 4 (1.89%) EIGRP
10 4 (1.89%) OSPF
10 4 (1.89%) RIP
10 4 (1.89%) SAN
10 4 (1.89%) Spanning Tree
11 3 (1.42%) LAN
11 3 (1.42%) MPLS
11 3 (1.42%) WAN
Database & Business Intelligence
1 17 (8.02%) SQL Server
2 14 (6.60%) MongoDB
2 14 (6.60%) Relational Database
3 10 (4.72%) DB2
4 9 (4.25%) Data Warehouse
5 8 (3.77%) Oracle Database
5 8 (3.77%) RDBMS
6 7 (3.30%) KDB
6 7 (3.30%) PostgreSQL
7 6 (2.83%) Big Data
7 6 (2.83%) Metadata
7 6 (2.83%) MySQL
8 5 (2.36%) Base SAS
8 5 (2.36%) Hadoop
9 4 (1.89%) Amazon RDS
9 4 (1.89%) DynamoDB
9 4 (1.89%) MS Access
9 4 (1.89%) Oracle BI Publisher
9 4 (1.89%) Oracle Reports
9 4 (1.89%) Redis
Development Applications
1 31 (14.62%) Jenkins
2 16 (7.55%) Git
3 14 (6.60%) JIRA
4 12 (5.66%) GitLab
5 8 (3.77%) JUnit
5 8 (3.77%) Maven
6 6 (2.83%) Subversion
7 5 (2.36%) Atlassian Bamboo
7 5 (2.36%) Toad
8 4 (1.89%) Ant
8 4 (1.89%) Bitbucket Server
8 4 (1.89%) Oracle Forms
8 4 (1.89%) QARun
8 4 (1.89%) SoapUI
8 4 (1.89%) WinRunner
9 3 (1.42%) Gradle
9 3 (1.42%) SonarQube
9 3 (1.42%) Sonatype Nexus
10 2 (0.94%) Jasmine
10 2 (0.94%) REST Assured
General
1 75 (35.38%) Finance
1 75 (35.38%) Social Skills
2 45 (21.23%) Banking
3 41 (19.34%) Analytical Skills
4 21 (9.91%) Front Office
5 12 (5.66%) Investment Banking
6 8 (3.77%) Financial Institution
7 5 (2.36%) French Language
7 5 (2.36%) Military
7 5 (2.36%) Public Sector
8 3 (1.42%) Documentation Skills
8 3 (1.42%) General Ledger
8 3 (1.42%) Inclusion and Diversity
9 2 (0.94%) Electronics
9 2 (0.94%) Telecoms
10 1 (0.47%) Back Office
10 1 (0.47%) Billing
10 1 (0.47%) Retail
10 1 (0.47%) Retail Banking
10 1 (0.47%) Wholesale Banking
Job Titles
1 42 (19.81%) Developer
2 36 (16.98%) Analyst
3 25 (11.79%) Senior
4 18 (8.49%) Pensions Analyst
5 17 (8.02%) Java Developer
6 15 (7.08%) DevOps Engineer
7 13 (6.13%) Applications Support
8 11 (5.19%) Linux Engineer
9 10 (4.72%) Architect
9 10 (4.72%) Support Analyst
10 8 (3.77%) Administrator
10 8 (3.77%) Unix Engineer
11 7 (3.30%) Data Engineer
11 7 (3.30%) Junior
11 7 (3.30%) Network Engineer
11 7 (3.30%) Senior Developer
11 7 (3.30%) Senior DevOps
12 6 (2.83%) Azure Engineer
12 6 (2.83%) Site Reliability Engineer
12 6 (2.83%) SQL Analyst
Libraries, Frameworks & Software Standards
1 19 (8.96%) Web Services
2 14 (6.60%) Kafka
2 14 (6.60%) Middleware
3 12 (5.66%) AngularJS
3 12 (5.66%) XML
4 11 (5.19%) RESTful
5 10 (4.72%) SOAP
6 9 (4.25%) Spring
7 8 (3.77%) J2EE
8 7 (3.30%) REST
9 6 (2.83%) CSS
9 6 (2.83%) Elastic Stack
9 6 (2.83%) HTML
9 6 (2.83%) HTML5
10 5 (2.36%) cloud-init
10 5 (2.36%) FIX Protocol
10 5 (2.36%) JSON
10 5 (2.36%) Keycloak
10 5 (2.36%) React
11 4 (1.89%) Spring MVC
Miscellaneous
1 20 (9.43%) Foreign Exchange (FX)
2 12 (5.66%) Derivative
2 12 (5.66%) Equities
3 11 (5.19%) Data Protection Act
4 10 (4.72%) Onboarding
5 9 (4.25%) Fixed Income
6 8 (3.77%) Algorithms
6 8 (3.77%) Distributed Systems
7 6 (2.83%) Cloud Native
7 6 (2.83%) Enterprise Storage
7 6 (2.83%) PKI
8 5 (2.36%) Data Centre
9 4 (1.89%) Data Structures
9 4 (1.89%) Distributed Architecture
9 4 (1.89%) Private Cloud
9 4 (1.89%) Public Cloud
9 4 (1.89%) Replication
9 4 (1.89%) SWIFT Messaging Network
10 3 (1.42%) Clustering
10 3 (1.42%) Grid Computing
Operating Systems
1 131 (61.79%) Linux
2 46 (21.70%) Windows
3 20 (9.43%) Red Hat Enterprise Linux
4 11 (5.19%) CentOS
5 4 (1.89%) AIX
5 4 (1.89%) CatOS
6 3 (1.42%) Solaris
7 2 (0.94%) Mac OS X
7 2 (0.94%) Oracle Linux
7 2 (0.94%) Rocky
7 2 (0.94%) Ubuntu
7 2 (0.94%) Windows Server
8 1 (0.47%) Amazon Linux
8 1 (0.47%) Android
8 1 (0.47%) Apple iOS
8 1 (0.47%) Mac OS
8 1 (0.47%) SUSE
8 1 (0.47%) zOS
Processes & Methodologies
1 63 (29.72%) Problem-Solving
2 43 (20.28%) DevOps
3 42 (19.81%) Agile
4 36 (16.98%) Test Automation
5 35 (16.51%) CI/CD
6 30 (14.15%) Migration
7 27 (12.74%) SDLC
8 23 (10.85%) Data Migration
8 23 (10.85%) High Availability
9 20 (9.43%) ITIL
10 17 (8.02%) Low Latency
11 15 (7.08%) Problem Management
12 14 (6.60%) Containerisation
12 14 (6.60%) Electronic Trading
12 14 (6.60%) Infrastructure as Code
13 13 (6.13%) ETL
13 13 (6.13%) Microservices
14 12 (5.66%) Performance Tuning
14 12 (5.66%) Workflow
15 11 (5.19%) Observability
Programming Languages
1 95 (44.81%) SQL
2 71 (33.49%) Python
3 43 (20.28%) Java
4 36 (16.98%) Shell Script
5 20 (9.43%) Bash
6 18 (8.49%) PL/SQL
7 17 (8.02%) JavaScript
8 16 (7.55%) Perl
9 9 (4.25%) Groovy
10 8 (3.77%) C
10 8 (3.77%) Go
11 7 (3.30%) ActionScript
11 7 (3.30%) ActionScript 2.0
12 6 (2.83%) C++
12 6 (2.83%) PowerShell
12 6 (2.83%) Scala
13 5 (2.36%) TypeScript
14 3 (1.42%) C#
14 3 (1.42%) PHP
14 3 (1.42%) PROC SQL
Qualifications
1 18 (8.49%) SC Cleared
1 18 (8.49%) Security Cleared
2 9 (4.25%) Degree
3 7 (3.30%) AWS Certification
4 6 (2.83%) CCNP
4 6 (2.83%) Cisco Certification
5 4 (1.89%) CCSE
6 2 (0.94%) AWS Certified Developer
6 2 (0.94%) AWS Certified DevOps Engineer
6 2 (0.94%) AWS Certified Solutions Architect
6 2 (0.94%) AWS Certified SysOps Administrator
6 2 (0.94%) CCIE
6 2 (0.94%) Computer Science Degree
7 1 (0.47%) A+ Certification
7 1 (0.47%) ISTQB
7 1 (0.47%) Master's Degree
7 1 (0.47%) RHCE
7 1 (0.47%) RHCSA
7 1 (0.47%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 6 (2.83%) QA
2 5 (2.36%) NCSC
3 4 (1.89%) Data Quality
4 3 (1.42%) Accessibility
4 3 (1.42%) SEPA
4 3 (1.42%) SLA
5 2 (0.94%) WCAG
6 1 (0.47%) EMIR
6 1 (0.47%) GDPR
6 1 (0.47%) HL7
6 1 (0.47%) ISO 20022
6 1 (0.47%) MiFID
6 1 (0.47%) NIST
6 1 (0.47%) PCI DSS
6 1 (0.47%) Sarbanes-Oxley
System Software
1 25 (11.79%) Docker
2 12 (5.66%) Active Directory
3 8 (3.77%) VMware Infrastructure
4 4 (1.89%) Veritas Cluster Server
5 2 (0.94%) NFS
6 1 (0.47%) BitLocker
6 1 (0.47%) Oracle RAC
6 1 (0.47%) Veritas File System
6 1 (0.47%) Veritas Volume Manager
6 1 (0.47%) Virtual Desktop
6 1 (0.47%) VMware ESXi
6 1 (0.47%) vSphere
Systems Management
1 32 (15.09%) Kubernetes
2 30 (14.15%) Ansible
3 24 (11.32%) Terraform
4 9 (4.25%) Puppet
5 7 (3.30%) ZABBIX
6 6 (2.83%) HAProxy
6 6 (2.83%) Packer
6 6 (2.83%) Progress Chef
6 6 (2.83%) Prometheus
7 5 (2.36%) Consul
7 5 (2.36%) Grafana
7 5 (2.36%) Istio
7 5 (2.36%) Jamf Pro
7 5 (2.36%) linkerd
7 5 (2.36%) Rancher
8 3 (1.42%) ITRS Geneos
9 2 (0.94%) Control-M
9 2 (0.94%) Rundeck
10 1 (0.47%) Netcool
10 1 (0.47%) Tivoli
Vendors
1 47 (22.17%) Oracle
2 20 (9.43%) Splunk
3 16 (7.55%) Microsoft
4 15 (7.08%) IBM
4 15 (7.08%) Red Hat
5 14 (6.60%) Cisco
6 10 (4.72%) Dynatrace
7 9 (4.25%) Veritas
7 9 (4.25%) VMware
8 8 (3.77%) AppDynamics
8 8 (3.77%) Apple
8 8 (3.77%) Sybase
9 7 (3.30%) Informatica
9 7 (3.30%) ServiceNow
10 6 (2.83%) IBM Sterling
10 6 (2.83%) Okta
11 5 (2.36%) Avaloq
11 5 (2.36%) Citrix
11 5 (2.36%) ESET
11 5 (2.36%) Juniper