Period
to

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Unix skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unix over the 6 months to 17 May 2022 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Unix
Central London > City of London
6 months to
17 May 2022
Same period 2021 Same period 2020
Rank 97 95 82
Rank change year-on-year -2 -13 +4
Contract jobs citing Unix 89 65 80
As % of all contract jobs advertised in the City of London 2.12% 2.35% 2.41%
As % of the Operating Systems category 16.51% 18.06% 14.18%
Number of daily rates quoted 61 54 58
10th Percentile £458 £336 £321
25th Percentile £513 £431 £394
Median daily rate (50th Percentile) £575 £550 £500
Median % change year-on-year +4.55% +10.00% -9.09%
75th Percentile £683 £675 £607
90th Percentile £738 £696 £700
Central London median daily rate £575 £550 £513
% change year-on-year +4.55% +7.32% -6.82%

Unix is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Contract vacancies with a requirement for operating system skills 539 360 564
As % of all contract IT jobs advertised in the City of London 12.84% 13.03% 16.96%
Number of daily rates quoted 417 272 434
10th Percentile £186 £214 £150
25th Percentile £350 £379 £263
Median daily rate (50th Percentile) £513 £496 £450
Median % change year-on-year +3.27% +10.28% -5.26%
75th Percentile £625 £594 £571
90th Percentile £700 £694 £650
Central London median daily rate £500 £498 £450
% change year-on-year +0.50% +10.56% -6.25%
Number of hourly rates quoted 12 3 12
10th Percentile - £13.68 £11.15
25th Percentile £13.88 £13.75 £13.63
Median hourly rate £24.75 £14.00 £16.48
Median % change year-on-year +76.79% -15.02% -21.55%
75th Percentile £38.75 £14.31 £18.90
90th Percentile £75.88 £14.50 £20.85
Central London median hourly rate £25.00 £14.00 £18.70
% change year-on-year +78.57% -25.13% -10.95%

Unix
Job Vacancy Trend in the City of London

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

Job vacancy trend for Unix in the City of London

Unix
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Unix in the City of London

Unix
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Unix in the City of London over the 6 months to 17 May 2022.

Daily rate histogram for Unix in the City of London

Unix
Contractor Hourly Rate Trend in the City of London

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

Hourly rate trend for Unix in the City of London

For the 6 months to 17 May 2022, IT contractor jobs citing Unix also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Unix.

1 52 (58.43%) Linux
2 40 (44.94%) Finance
3 37 (41.57%) Java
4 36 (40.45%) SQL
5 31 (34.83%) Shell Script
6 22 (24.72%) Python
6 22 (24.72%) Ansible
7 20 (22.47%) Agile
8 19 (21.35%) AWS
8 19 (21.35%) Docker
8 19 (21.35%) Social Skills
9 18 (20.22%) Spring
10 17 (19.10%) Banking
10 17 (19.10%) SQL Server
11 16 (17.98%) DevOps
12 15 (16.85%) PL/SQL
13 14 (15.73%) Oracle
13 14 (15.73%) Windows
13 14 (15.73%) Azure
13 14 (15.73%) Relational Database
13 14 (15.73%) Kafka
14 13 (14.61%) Analytical Skills
14 13 (14.61%) Red Hat Enterprise Linux
14 13 (14.61%) JIRA
15 12 (13.48%) Git (software)
15 12 (13.48%) Jenkins
15 12 (13.48%) Terraform
16 11 (12.36%) WebLogic
17 10 (11.24%) J2EE
17 10 (11.24%) Financial Institution

Unix
Co-occurring IT Skills in the City of London by Category

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

Application Platforms
1 11 (12.36%) WebLogic
2 10 (11.24%) Confluence
3 6 (6.74%) Apache Spark
3 6 (6.74%) JBoss
4 5 (5.62%) Apache Airflow
4 5 (5.62%) Luigi
4 5 (5.62%) Tomcat
5 4 (4.49%) CMS
6 3 (3.37%) Apache
7 2 (2.25%) Apache Solr
7 2 (2.25%) IIS
7 2 (2.25%) WebSphere
8 1 (1.12%) Apache Pig
8 1 (1.12%) IBM HTTP Server
8 1 (1.12%) Jetty
8 1 (1.12%) Mule
8 1 (1.12%) OpenStack
8 1 (1.12%) Red Hat Fuse
8 1 (1.12%) SharePoint Server
8 1 (1.12%) WebSphere Application Server
Applications
1 2 (2.25%) Microsoft Office
Business Applications
1 8 (8.99%) TIBCO iProcess
2 4 (4.49%) ION MarketView
3 3 (3.37%) Temenos Globus
3 3 (3.37%) Temenos T24
4 2 (2.25%) Oracle Applications
4 2 (2.25%) WebTrends
5 1 (1.12%) Oracle Utilities
Cloud Services
1 19 (21.35%) AWS
2 14 (15.73%) Azure
3 10 (11.24%) GCP
4 5 (5.62%) Amazon EC2
4 5 (5.62%) Amazon EMR
4 5 (5.62%) Amazon SQS
4 5 (5.62%) GitHub
5 3 (3.37%) Google Analytics
5 3 (3.37%) PaaS
6 2 (2.25%) Amazon S3
6 2 (2.25%) Amazon SageMaker
6 2 (2.25%) Azure Data Factory
6 2 (2.25%) Azure Synapse Analytics
6 2 (2.25%) IaaS
7 1 (1.12%) Amazon ELB
7 1 (1.12%) Apigee
7 1 (1.12%) Cloud Computing
7 1 (1.12%) NuGet
7 1 (1.12%) OpenShift
7 1 (1.12%) SaaS
Communications & Networking
1 8 (8.99%) Network Security
2 7 (7.87%) SSH
3 6 (6.74%) Firewall
4 3 (3.37%) Internet
4 3 (3.37%) Intranet
4 3 (3.37%) SSL
5 2 (2.25%) HTTP
6 1 (1.12%) DNS
6 1 (1.12%) Kerberos
6 1 (1.12%) SAN
6 1 (1.12%) Wireless
Database & Business Intelligence
1 17 (19.10%) SQL Server
2 14 (15.73%) Relational Database
3 9 (10.11%) Big Data
3 9 (10.11%) MySQL
4 8 (8.99%) SQL Server Reporting Services
5 7 (7.87%) Amazon Athena
5 7 (7.87%) Data Warehouse
5 7 (7.87%) SQL Server Integration Services
6 6 (6.74%) Hadoop
6 6 (6.74%) NoSQL
7 5 (5.62%) Amazon RDS
7 5 (5.62%) Amazon Redshift
7 5 (5.62%) Apache Cassandra
7 5 (5.62%) Oracle Database
7 5 (5.62%) Presto
7 5 (5.62%) RDBMS
8 2 (2.25%) Data Vault
8 2 (2.25%) Oracle Database 11g
8 2 (2.25%) Oracle Database 12c
8 2 (2.25%) Oracle Reports
Development Applications
1 13 (14.61%) JIRA
2 12 (13.48%) Git (software)
2 12 (13.48%) Jenkins
3 5 (5.62%) Artifactory
3 5 (5.62%) GitLab
4 4 (4.49%) Bitbucket
5 3 (3.37%) Atlassian Bamboo
5 3 (3.37%) TeamCity
6 2 (2.25%) Eclipse
6 2 (2.25%) JMeter
6 2 (2.25%) Maven
6 2 (2.25%) Postman
7 1 (1.12%) CircleCI
7 1 (1.12%) Crucible
7 1 (1.12%) FishEye
7 1 (1.12%) Gerrit
7 1 (1.12%) PostCSS
7 1 (1.12%) Sonatype Nexus
7 1 (1.12%) Travis CI
7 1 (1.12%) WebDriver
General
1 40 (44.94%) Finance
2 19 (21.35%) Social Skills
3 17 (19.10%) Banking
4 13 (14.61%) Analytical Skills
5 10 (11.24%) Financial Institution
6 8 (8.99%) Front Office
7 7 (7.87%) Investment Banking
8 6 (6.74%) Legal
9 4 (4.49%) Back Office
10 3 (3.37%) Advertising
11 2 (2.25%) Corporate Banking
11 2 (2.25%) Influencing Skills
11 2 (2.25%) Retail
11 2 (2.25%) Retail Banking
12 1 (1.12%) Presentation Skills
12 1 (1.12%) Public Sector
Job Titles
1 30 (33.71%) Developer
2 18 (20.22%) Java Developer
3 10 (11.24%) Analyst
4 9 (10.11%) SQL Developer
5 8 (8.99%) Data Engineer
5 8 (8.99%) DevOps Engineer
5 8 (8.99%) J2EE Developer
5 8 (8.99%) Java/J2EE Developer
5 8 (8.99%) Support Analyst
5 8 (8.99%) TIBCO Developer
5 8 (8.99%) Unix Developer
5 8 (8.99%) WebLogic Developer
6 7 (7.87%) Applications Support
6 7 (7.87%) Applications Support Analyst
7 6 (6.74%) Administrator
7 6 (6.74%) Big Data Engineer
8 5 (5.62%) Architect
8 5 (5.62%) Hadoop Engineer
9 3 (3.37%) DBA
9 3 (3.37%) Senior Developer
Libraries, Frameworks & Software Standards
1 18 (20.22%) Spring
2 14 (15.73%) Kafka
3 10 (11.24%) J2EE
4 9 (10.11%) Hibernate
5 7 (7.87%) REST
6 6 (6.74%) Middleware
6 6 (6.74%) Web Services
7 5 (5.62%) CSS
7 5 (5.62%) HTML
7 5 (5.62%) Java EE
7 5 (5.62%) JMS
7 5 (5.62%) Spring Boot
8 4 (4.49%) .NET
8 4 (4.49%) AngularJS
9 3 (3.37%) jQuery
9 3 (3.37%) JSON
9 3 (3.37%) JSP
9 3 (3.37%) React
9 3 (3.37%) SOAP
10 2 (2.25%) pytest
Miscellaneous
1 9 (10.11%) Foreign Exchange (FX)
2 8 (8.99%) Equities
3 7 (7.87%) Derivative
3 7 (7.87%) Linux Command Line
3 7 (7.87%) Management Information System
4 6 (6.74%) Hedge funds
5 5 (5.62%) Fixed Income
6 3 (3.37%) Cyberthreat
6 3 (3.37%) Data Centre
6 3 (3.37%) Replication
7 2 (2.25%) Cloud Native
7 2 (2.25%) Enterprise Software
7 2 (2.25%) Exotic Derivative
7 2 (2.25%) PKI
7 2 (2.25%) Self-Motivation
8 1 (1.12%) Clustering
8 1 (1.12%) Distributed Denial-of-Service
8 1 (1.12%) Hybrid Cloud
8 1 (1.12%) Reference Data
8 1 (1.12%) User Experience
Operating Systems
1 52 (58.43%) Linux
2 14 (15.73%) Windows
3 13 (14.61%) Red Hat Enterprise Linux
4 8 (8.99%) Mesosphere
5 1 (1.12%) Ubuntu
Processes & Methodologies
1 20 (22.47%) Agile
2 16 (17.98%) DevOps
3 10 (11.24%) Analytics
3 10 (11.24%) Computer Science
3 10 (11.24%) Problem-Solving
4 8 (8.99%) Disaster Recovery
4 8 (8.99%) Electronic Trading
5 7 (7.87%) Data Pipeline
5 7 (7.87%) ETL
5 7 (7.87%) Innovative Thinking
5 7 (7.87%) Process Improvement
5 7 (7.87%) Scrum
5 7 (7.87%) Workflow
6 6 (6.74%) AOP
6 6 (6.74%) Data Protection
6 6 (6.74%) Identity Access Management
6 6 (6.74%) SDLC
6 6 (6.74%) Software Engineering
6 6 (6.74%) TDD
6 6 (6.74%) Test Automation
Programming Languages
1 37 (41.57%) Java
2 36 (40.45%) SQL
3 31 (34.83%) Shell Script
4 22 (24.72%) Python
5 15 (16.85%) PL/SQL
6 8 (8.99%) JavaScript
7 6 (6.74%) Scala
8 4 (4.49%) Bash
8 4 (4.49%) C#
8 4 (4.49%) Groovy
9 3 (3.37%) C++
9 3 (3.37%) PowerShell
10 2 (2.25%) C
10 2 (2.25%) Perl
11 1 (1.12%) Kotlin
11 1 (1.12%) TypeScript
Qualifications
1 7 (7.87%) SC Cleared
1 7 (7.87%) Security Cleared
2 6 (6.74%) Degree
3 4 (4.49%) Computer Science Degree
4 3 (3.37%) CCNA
4 3 (3.37%) CCNP
4 3 (3.37%) Cisco Certification
5 1 (1.12%) CISSP
5 1 (1.12%) GIAC
5 1 (1.12%) OSCP
5 1 (1.12%) RHCSA
5 1 (1.12%) Server+ Certification
5 1 (1.12%) Sun Certification
Quality Assurance & Compliance
1 6 (6.74%) GDPR
2 3 (3.37%) QA
3 2 (2.25%) Accessibility
System Software
1 19 (21.35%) Docker
2 3 (3.37%) Oracle RAC
3 2 (2.25%) Active Directory
3 2 (2.25%) Ceph
3 2 (2.25%) VMware Infrastructure
4 1 (1.12%) Virtual Machines
4 1 (1.12%) VMware ESXi
Systems Management
1 22 (24.72%) Ansible
2 12 (13.48%) Terraform
3 10 (11.24%) Kubernetes
4 4 (4.49%) Puppet
5 2 (2.25%) Data Guard
5 2 (2.25%) Rancher
6 1 (1.12%) Ambari
6 1 (1.12%) BladeLogic
6 1 (1.12%) Enterprise Manager Cloud Control
6 1 (1.12%) Grafana
6 1 (1.12%) Istio
6 1 (1.12%) ITRS Geneos
6 1 (1.12%) Nagios
6 1 (1.12%) Oracle RMAN
6 1 (1.12%) Packer
6 1 (1.12%) Single Sign-On
6 1 (1.12%) VxRail
Vendors
1 14 (15.73%) Oracle
2 9 (10.11%) Splunk
3 8 (8.99%) AppDynamics
3 8 (8.99%) Red Hat
3 8 (8.99%) TIBCO
4 7 (7.87%) Microsoft
4 7 (7.87%) Sybase
5 6 (6.74%) Google
6 5 (5.62%) Cisco
7 4 (4.49%) IBM
7 4 (4.49%) ION Trading
7 4 (4.49%) Palo Alto
8 3 (3.37%) Atlassian
8 3 (3.37%) CheckPoint
8 3 (3.37%) Informatica
8 3 (3.37%) jBASE
8 3 (3.37%) Juniper
8 3 (3.37%) Temenos
8 3 (3.37%) VMware
9 2 (2.25%) FatWire