Period
to 19 January 2021

The following table provides summary statistics for contract job vacancies advertised in 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 19 January 2021 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
England > London
6 months to
19 Jan 2021
Same period 2020 Same period 2019
Rank 104 107 67
Rank change year-on-year +3 -40 -22
Contract jobs citing Unix 445 702 1,700
As % of all contract jobs advertised in London 2.52% 2.35% 3.85%
As % of the Operating Systems category 15.89% 13.38% 19.75%
Number of daily rates quoted 342 454 1,238
Median daily rate £575 £525 £525
Median daily rate % change year-on-year +9.52% - -
10th Percentile £378 £363 £363
90th Percentile £700 £675 £688
England median daily rate £488 £475 £488
% change year-on-year +2.63% -2.56% -2.50%
Number of hourly rates quoted 8 3 3
Median hourly rate £56.25 £26.50 £40.00
Median hourly rate % change year-on-year +112.26% -33.75% +37.93%
10th Percentile £35.25 £25.25 £24.50
90th Percentile £60.00 £43.55 £66.12
England median hourly rate £39.00 £41.00 £35.00
% change year-on-year -4.88% +17.14% +13.09%

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 London with a requirement for operating system skills.

All Operating Systems
London
Contract vacancies with a requirement for operating system skills 2,800 5,248 8,606
As % of all contract IT jobs advertised in London 15.88% 17.59% 19.48%
Number of daily rates quoted 1,968 3,691 6,078
Median daily rate £475 £450 £488
Median daily rate % change year-on-year +5.56% -7.69% +2.63%
10th Percentile £231 £158 £183
90th Percentile £655 £650 £650
England median daily rate £430 £413 £425
% change year-on-year +4.24% -2.94% -
Number of hourly rates quoted 33 173 233
Median hourly rate £29.65 £20.83 £18.70
Median hourly rate % change year-on-year +42.34% +11.39% -
10th Percentile £18.40 £14.00 £12.50
90th Percentile £63.20 £53.28 £39.80
Median hourly rate £17.63 £17.12 £17.25
% change year-on-year +2.95% -0.75% +1.47%

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 19 January 2021.

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
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Unix in London over the 6 months to 19 January 2021.

Hourly rate histogram 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 19 January 2021. 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
Job
Vacancies
Central London +31 59 £525 +2.44% 40
West London +29 13 £575 +21.05% 8
South London +39 6 £381 -37.76% 3
East London +20 2 £405 -29.57% 8
North London +11 1 £563 +18.42%
Unix
England

For the 6 months to 19 January 2021, 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 London region with a requirement for Unix.

1 312 (70.11%) Linux
2 205 (46.07%) Java
3 148 (33.26%) SQL
4 129 (28.99%) Agile Software Development
5 126 (28.31%) Oracle
5 126 (28.31%) Windows
6 125 (28.09%) Docker
7 115 (25.84%) Kubernetes
8 114 (25.62%) Banking
9 104 (23.37%) Relational Database
10 103 (23.15%) Spring
11 100 (22.47%) Python
12 96 (21.57%) Finance
13 87 (19.55%) Middleware
14 83 (18.65%) Front Office
15 78 (17.53%) Git (software)
16 75 (16.85%) DevOps
17 74 (16.63%) TDD
18 69 (15.51%) SQL Server
18 69 (15.51%) MySQL
19 65 (14.61%) Mule
20 64 (14.38%) Apache Camel
21 63 (14.16%) AWS
22 61 (13.71%) Spring Integration
23 58 (13.03%) XML
24 56 (12.58%) Shell Script
25 50 (11.24%) Investment Banking
25 50 (11.24%) JIRA
25 50 (11.24%) Jenkins
26 49 (11.01%) Test Automation

Unix
Co-occurring IT Skills in 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 65 (14.61%) Mule
2 38 (8.54%) JBoss
3 30 (6.74%) Confluence
4 21 (4.72%) Tomcat
5 19 (4.27%) Red Hat Fuse
5 19 (4.27%) WebLogic
6 17 (3.82%) Apache
7 11 (2.47%) Oracle SOA Suite
8 7 (1.57%) Apache Spark
8 7 (1.57%) IIS
8 7 (1.57%) WebSphere
9 6 (1.35%) Cloud Foundry
9 6 (1.35%) SAS
10 5 (1.12%) Appian
11 4 (0.90%) Elasticsearch
11 4 (0.90%) nginx
11 4 (0.90%) Oracle Workflow
11 4 (0.90%) Skype for Business
11 4 (0.90%) WebLogic Portal
11 4 (0.90%) WebSphere Application Server
Applications
1 13 (2.92%) Microsoft Excel
2 8 (1.80%) MS Visio
3 4 (0.90%) Microsoft Office
3 4 (0.90%) Microsoft PowerPoint
4 2 (0.45%) Microsoft Project
4 2 (0.45%) Spreadsheet
Business Applications
1 5 (1.12%) Oracle EBS
2 4 (0.90%) Oracle Applications
3 3 (0.67%) BusinessWorks
3 3 (0.67%) Summit
4 2 (0.45%) Salerio
5 1 (0.22%) Markit EDM
5 1 (0.22%) OpenText Process Suite
5 1 (0.22%) Oracle BPM
5 1 (0.22%) Oracle ERP
5 1 (0.22%) Refinitiv Enterprise Platform
5 1 (0.22%) Remedy ITSM
5 1 (0.22%) RMDS
5 1 (0.22%) SAP Hybris
5 1 (0.22%) StreamServe
Cloud Services
1 63 (14.16%) AWS
2 48 (10.79%) Azure
3 28 (6.29%) GitHub
4 25 (5.62%) OpenShift
5 14 (3.15%) GCP
6 12 (2.70%) Cloud Computing
6 12 (2.70%) PaaS
7 11 (2.47%) Amazon CloudWatch
8 9 (2.02%) AWS CloudFormation
8 9 (2.02%) Datadog
8 9 (2.02%) IaaS
9 7 (1.57%) Azure Active Directory
10 6 (1.35%) Office 365
11 5 (1.12%) Amazon S3
11 5 (1.12%) SaaS
12 4 (0.90%) Virtual Private Cloud
13 3 (0.67%) Azure Data Factory
13 3 (0.67%) Power Platform
14 2 (0.45%) npm
14 2 (0.45%) Serverless
Communications & Networking
1 31 (6.97%) Firewall
2 30 (6.74%) TCP/IP
3 17 (3.82%) DNS
4 15 (3.37%) HTTP
5 14 (3.15%) Intrusion Detection
6 11 (2.47%) DHCP
7 10 (2.25%) HTTPS
7 10 (2.25%) LAN
7 10 (2.25%) VPN
8 9 (2.02%) WAN
9 8 (1.80%) SNMP
10 7 (1.57%) SSL
11 6 (1.35%) Cisco ASA
11 6 (1.35%) IPsec
11 6 (1.35%) Network Security
11 6 (1.35%) Unified Communications
12 5 (1.12%) FTP
12 5 (1.12%) Kerberos
12 5 (1.12%) SAN
13 4 (0.90%) IPX
Database & Business Intelligence
1 104 (23.37%) Relational Database
2 69 (15.51%) MySQL
2 69 (15.51%) SQL Server
3 37 (8.31%) MongoDB
4 33 (7.42%) NoSQL
5 27 (6.07%) Oracle Database
6 25 (5.62%) Big Data
7 14 (3.15%) Apache Cassandra
8 13 (2.92%) Hadoop
9 11 (2.47%) RDBMS
10 10 (2.25%) DB2
11 9 (2.02%) Data Warehouse
11 9 (2.02%) HBase
11 9 (2.02%) Oracle Database 11g
11 9 (2.02%) PostgreSQL
12 8 (1.80%) Oracle Database 10g
13 7 (1.57%) Oracle Database 12c
14 6 (1.35%) MariaDB
14 6 (1.35%) Oracle Reports
14 6 (1.35%) Redis
Development Applications
1 78 (17.53%) Git (software)
2 50 (11.24%) Jenkins
2 50 (11.24%) JIRA
3 35 (7.87%) Maven
4 33 (7.42%) Subversion
5 30 (6.74%) Atlassian Bamboo
6 29 (6.52%) JUnit
7 27 (6.07%) Bitbucket
8 21 (4.72%) Cucumber
9 20 (4.49%) jMock
10 16 (3.60%) FishEye
10 16 (3.60%) Hudson
11 13 (2.92%) Artifactory
12 10 (2.25%) GitLab
13 9 (2.02%) Mockito
14 7 (1.57%) CA Gen
14 7 (1.57%) Selenium
15 6 (1.35%) Gatling
15 6 (1.35%) IntelliJ
16 5 (1.12%) Eclipse
General
1 114 (25.62%) Banking
2 96 (21.57%) Finance
3 83 (18.65%) Front Office
4 50 (11.24%) Investment Banking
5 11 (2.47%) Public Sector
6 8 (1.80%) Back Office
6 8 (1.80%) Financial Institution
7 6 (1.35%) Advertising
7 6 (1.35%) Telecoms
8 5 (1.12%) French Language
9 4 (0.90%) Law
9 4 (0.90%) Marketing
10 3 (0.67%) Pharmaceutical
11 2 (0.45%) Electronics
11 2 (0.45%) Military
12 1 (0.22%) Games
12 1 (0.22%) Legal
12 1 (0.22%) Manufacturing
12 1 (0.22%) Retail Banking
Job Titles
1 174 (39.10%) Developer
2 101 (22.70%) Java Developer
3 50 (11.24%) Integration Developer
4 36 (8.09%) Senior Developer
5 29 (6.52%) Analyst
6 26 (5.84%) Architect
7 23 (5.17%) Consultant
7 23 (5.17%) Senior Java Developer
8 16 (3.60%) DevOps Engineer
8 16 (3.60%) Java Middleware Developer
8 16 (3.60%) Middleware Developer
8 16 (3.60%) Unix Engineer
9 15 (3.37%) Support Engineer
10 13 (2.92%) DBA
10 13 (2.92%) Oracle DBA
10 13 (2.92%) Security Engineer
10 13 (2.92%) Senior Integration Developer
10 13 (2.92%) Senior Middleware Developer
11 12 (2.70%) Applications Support
12 11 (2.47%) Python Developer
Libraries, Frameworks & Software Standards
1 103 (23.15%) Spring
2 87 (19.55%) Middleware
3 64 (14.38%) Apache Camel
4 61 (13.71%) Spring Integration
5 58 (13.03%) XML
6 47 (10.56%) Web Services
7 40 (8.99%) REST
8 32 (7.19%) HTML
8 32 (7.19%) Java EE
9 31 (6.97%) Hibernate
10 30 (6.74%) JMS
11 20 (4.49%) JTA
11 20 (4.49%) JTS
12 19 (4.27%) CSS
12 19 (4.27%) FIX Protocol
12 19 (4.27%) J2EE
12 19 (4.27%) XSLT
13 17 (3.82%) RESTful
14 16 (3.60%) JAXB
15 15 (3.37%) JSON
Miscellaneous
1 31 (6.97%) Analytical Skills
2 30 (6.74%) Fixed Income
3 23 (5.17%) Linux Command Line
3 23 (5.17%) Management Information System
4 20 (4.49%) Equities
5 15 (3.37%) User Experience
6 13 (2.92%) Clustering
7 12 (2.70%) Foreign Exchange (FX)
8 9 (2.02%) Market Risk
8 9 (2.02%) Self-Motivation
9 8 (1.80%) Algorithms
9 8 (1.80%) Credit Risk
9 8 (1.80%) Derivative
9 8 (1.80%) Enterprise Software
9 8 (1.80%) SWIFT
10 7 (1.57%) Data Centre
10 7 (1.57%) Grid Computing
10 7 (1.57%) Public Cloud
11 6 (1.35%) LPAR
11 6 (1.35%) Private Cloud
Operating Systems
1 312 (70.11%) Linux
2 126 (28.31%) Windows
3 30 (6.74%) Red Hat Enterprise Linux
4 25 (5.62%) Solaris
5 20 (4.49%) AIX
6 19 (4.27%) Windows Server
7 13 (2.92%) Mac OS X
8 11 (2.47%) VMS
9 8 (1.80%) Windows Server 2012
10 6 (1.35%) Oracle Linux
10 6 (1.35%) Windows Server 2008
10 6 (1.35%) Windows Server 2016
10 6 (1.35%) Windows Server 2019
11 5 (1.12%) CentOS
11 5 (1.12%) Ubuntu
12 4 (0.90%) Debian
12 4 (0.90%) Fedora
12 4 (0.90%) Mac OS
12 4 (0.90%) NetWare
13 3 (0.67%) Windows 10
Processes & Methodologies
1 129 (28.99%) Agile Software Development
2 75 (16.85%) DevOps
3 74 (16.63%) TDD
4 49 (11.01%) Test Automation
5 47 (10.56%) Migration
6 46 (10.34%) Microservices
7 44 (9.89%) BDD
7 44 (9.89%) Problem-Solving
8 40 (8.99%) SDLC
9 37 (8.31%) Configuration Management
9 37 (8.31%) Scrum
10 36 (8.09%) Continuous Delivery
11 32 (7.19%) Continuous Integration
12 28 (6.29%) OO
13 24 (5.39%) Software Engineering
14 23 (5.17%) Risk Management
15 22 (4.94%) ITIL
15 22 (4.94%) SIEM
16 21 (4.72%) ETL
16 21 (4.72%) Performance Tuning
Programming Languages
1 205 (46.07%) Java
2 148 (33.26%) SQL
3 100 (22.47%) Python
4 56 (12.58%) Shell Script
5 46 (10.34%) Perl
6 40 (8.99%) JavaScript
7 34 (7.64%) PL/SQL
8 33 (7.42%) Bash Shell
9 32 (7.19%) C++
10 29 (6.52%) PowerShell
11 26 (5.84%) Ruby
12 16 (3.60%) Java 8
13 12 (2.70%) Scala
14 10 (2.25%) C
14 10 (2.25%) Go
14 10 (2.25%) T-SQL
15 9 (2.02%) VB
16 8 (1.80%) C#
16 8 (1.80%) Korn
16 8 (1.80%) VBScript
Qualifications
1 32 (7.19%) Degree
2 30 (6.74%) Security Cleared
3 25 (5.62%) SC Cleared
4 12 (2.70%) Computer Science Degree
5 9 (2.02%) CISSP
6 8 (1.80%) Cisco Certification
7 6 (1.35%) CCNP
7 6 (1.35%) GCIA
7 6 (1.35%) GCIH
8 5 (1.12%) CISM
8 5 (1.12%) GIAC
8 5 (1.12%) Master's Degree
9 4 (0.90%) CEH
9 4 (0.90%) DV Cleared
9 4 (0.90%) GSEC
10 2 (0.45%) BPSS Clearance
10 2 (0.45%) DBS Check
10 2 (0.45%) GCFA
10 2 (0.45%) RHCSA
10 2 (0.45%) VCAP
Quality Assurance & Compliance
1 27 (6.07%) QA
2 11 (2.47%) NIST
3 8 (1.80%) COBIT
4 5 (1.12%) PCI DSS
5 4 (0.90%) GDPR
5 4 (0.90%) WCAG
6 3 (0.67%) COREP
6 3 (0.67%) GxP
6 3 (0.67%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 3 (0.67%) Sarbanes-Oxley
6 3 (0.67%) SLA
7 2 (0.45%) CRD IV
7 2 (0.45%) PMO
8 1 (0.22%) CDISC
8 1 (0.22%) Data Quality
8 1 (0.22%) FINREP
8 1 (0.22%) ISO 20022
8 1 (0.22%) ISO 9001
8 1 (0.22%) ISO/IEC 20000
8 1 (0.22%) NIST 800
System Software
1 125 (28.09%) Docker
2 39 (8.76%) Active Directory
3 18 (4.04%) VMware Infrastructure
4 8 (1.80%) HDFS
4 8 (1.80%) Oracle RAC
5 7 (1.57%) Apache ZooKeeper
5 7 (1.57%) Virtual Machines
6 6 (1.35%) GPFS
7 5 (1.12%) PowerHA
7 5 (1.12%) VMware ESXi
7 5 (1.12%) Xen
8 4 (0.90%) KVM
8 4 (0.90%) VMware NSX
8 4 (0.90%) vSphere
9 3 (0.67%) Firmware
9 3 (0.67%) Hyper-V
9 3 (0.67%) NFS
9 3 (0.67%) Samba
9 3 (0.67%) Veritas Cluster Server
10 2 (0.45%) EMC RecoverPoint
Systems Management
1 115 (25.84%) Kubernetes
2 40 (8.99%) Ansible
3 36 (8.09%) Puppet
4 23 (5.17%) Opscode Chef
5 22 (4.94%) Terraform
6 17 (3.82%) Nagios
7 13 (2.92%) Grafana
8 10 (2.25%) Prometheus
9 9 (2.02%) Oracle RMAN
10 7 (1.57%) BladeLogic
10 7 (1.57%) Kibana
10 7 (1.57%) Salt
10 7 (1.57%) Tivoli
11 6 (1.35%) ITRS Geneos
12 5 (1.12%) HP ALM
12 5 (1.12%) Netcool
12 5 (1.12%) Netcool/OMNIbus
12 5 (1.12%) Netcool/Webtop
12 5 (1.12%) Red Hat Satellite
12 5 (1.12%) vCenter Server
Vendors
1 126 (28.31%) Oracle
2 42 (9.44%) Sybase
3 38 (8.54%) Splunk
4 35 (7.87%) IBM
5 30 (6.74%) Red Hat
6 29 (6.52%) Microsoft
7 24 (5.39%) VMware
8 23 (5.17%) CyberArk
9 21 (4.72%) Atlassian
10 19 (4.27%) Murex
11 16 (3.60%) HP
12 12 (2.70%) ArcSight
12 12 (2.70%) Informatica
13 11 (2.47%) Google
14 10 (2.25%) Cisco
14 10 (2.25%) McAfee
14 10 (2.25%) ServiceNow
15 9 (2.02%) Pega
16 7 (1.57%) F5
16 7 (1.57%) webMethods