Period
to 14 December 2019

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 14 December 2019 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
14 Dec 2019
Same period 2018 Same period 2017
Rank 100 64 44
Rank change year-on-year -36 -20 -5
Contract jobs citing Unix 848 1,911 2,406
As % of all contract IT jobs advertised in London 2.52% 4.08% 5.06%
As % of the Operating Systems category 14.31% 20.58% 24.39%
Number of daily rates quoted 544 1,339 1,599
London median daily rate £513 £530 £525
Median daily rate % change year-on-year -3.30% +0.95% +10.53%
10th Percentile £363 £363 £369
90th Percentile £675 £675 £651
England median daily rate £475 £495 £483
% change year-on-year -4.04% +2.59% +10.29%
Number of hourly rates quoted 4 5 16
London median hourly rate £35.75 £35.00 £31.38
Median hourly rate % change year-on-year +2.14% +11.55% +14.09%
10th Percentile £25.25 £20.65 £26.17
90th Percentile £50.13 £66.22 £57.50
England median hourly rate £33.25 £35.00 £30.00
% change year-on-year -5.00% +16.67% -14.29%

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 5,925 9,285 9,866
As % of all contract IT jobs advertised in London 17.64% 19.83% 20.76%
Number of daily rates quoted 4,075 6,511 7,020
London median daily rate £450 £488 £475
Median daily rate % change year-on-year -7.69% +2.63% +5.56%
10th Percentile £159 £188 £200
90th Percentile £650 £650 £638
England median daily rate £418 £429 £425
% change year-on-year -2.57% +0.82% +3.03%
Number of hourly rates quoted 199 265 273
London median hourly rate £21.00 £18.70 £18.70
Median hourly rate % change year-on-year +12.30% - +3.89%
10th Percentile £14.00 £12.50 £12.00
90th Percentile £55.90 £47.50 £47.83
England median hourly rate £17.50 £17.50 £17.50

Unix
Job Vacancy Trend in London

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

Job vacancy trend for Unix in London

Unix
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unix in London.

Contractor daily rate trend for Unix in London

Unix
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Unix in London over the 6 months to 14 December 2019.

Contractor daily rate histogram for Unix in London

Unix
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Unix in London.

Contractor hourly rate trend for Unix in London

Unix
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Unix in London over the 6 months to 14 December 2019.

Contractor 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 14 December 2019. 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 -23 175 £500 -4.76% 69
West London -16 46 £475 -7.32% 12
South London -43 19 £600 +14.29% 8
East London +33 18 £575 +16.75% 11
North London -5 2 - - 2
Unix
England

For the 6 months to 14 December 2019, 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.

1 516 (60.85%) Linux
2 293 (34.55%) SQL
3 288 (33.96%) Java
4 286 (33.73%) Agile Software Development
5 254 (29.95%) Python
6 252 (29.72%) Finance
7 232 (27.36%) Oracle
8 216 (25.47%) DevOps
9 173 (20.40%) Windows
10 153 (18.04%) Git (software)
11 151 (17.81%) AWS
12 139 (16.39%) Banking
13 137 (16.16%) Continuous Integration
14 126 (14.86%) Docker
15 123 (14.50%) JavaScript
16 121 (14.27%) Shell Script
17 114 (13.44%) Jenkins
18 112 (13.21%) Azure
19 111 (13.09%) TDD
20 103 (12.15%) Test Automation
21 101 (11.91%) Kubernetes
22 99 (11.67%) JIRA
23 93 (10.97%) Analytical Skills
24 86 (10.14%) Migration
24 86 (10.14%) Ansible
25 80 (9.43%) PL/SQL
26 79 (9.32%) SQL Server
26 79 (9.32%) Spring
27 78 (9.20%) Perl
28 75 (8.84%) Web Services

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 57 (6.72%) Apache
2 48 (5.66%) Confluence
3 42 (4.95%) Apache Spark
4 33 (3.89%) Tomcat
5 21 (2.48%) Elasticsearch
5 21 (2.48%) IIS
6 19 (2.24%) WebLogic
7 17 (2.00%) JBoss
7 17 (2.00%) OpenStack
8 14 (1.65%) Oracle SOA Suite
8 14 (1.65%) WebSphere
9 10 (1.18%) Cloud Foundry
10 9 (1.06%) SharePoint
11 8 (0.94%) CMS
12 7 (0.83%) Adobe Experience Manager
13 6 (0.71%) Oracle Workflow
14 5 (0.59%) DataSynapse
14 5 (0.59%) nginx
15 4 (0.47%) Oracle Coherence
15 4 (0.47%) WebSphere Application Server
Applications
1 11 (1.30%) Microsoft Office
2 10 (1.18%) Microsoft Excel
3 2 (0.24%) Microsoft PowerPoint
3 2 (0.24%) MS Visio
Business Applications
1 17 (2.00%) BusinessWorks
2 9 (1.06%) Oracle Internet Expenses
2 9 (1.06%) Oracle Procure-to-Pay
3 8 (0.94%) Sparx Enterprise Architect
4 7 (0.83%) Oracle Cash Management
4 7 (0.83%) Oracle Subledger Accounting
5 6 (0.71%) Oracle Assets
5 6 (0.71%) Oracle EBS
5 6 (0.71%) Oracle FAH
5 6 (0.71%) Oracle General Ledger
5 6 (0.71%) Oracle iProcurement
5 6 (0.71%) Oracle Payables
5 6 (0.71%) Oracle Receivables
6 3 (0.35%) Aligne
6 3 (0.35%) SAP MM
7 2 (0.24%) Actimize
7 2 (0.24%) HiPortfolio
7 2 (0.24%) Oracle Retail
7 2 (0.24%) SAP BPC
8 1 (0.12%) Oracle EBS R12
Cloud Services
1 151 (17.81%) AWS
2 112 (13.21%) Azure
3 49 (5.78%) GitHub
4 32 (3.77%) AWS Lambda
4 32 (3.77%) GCP
4 32 (3.77%) Serverless
5 26 (3.07%) Amazon EC2
5 26 (3.07%) Amazon S3
6 25 (2.95%) PaaS
7 22 (2.59%) SaaS
8 18 (2.12%) AWS CloudFormation
8 18 (2.12%) OpenShift
9 14 (1.65%) Route 53
10 12 (1.42%) npm
10 12 (1.42%) Virtual Private Cloud
11 11 (1.30%) Office 365
12 10 (1.18%) IaaS
13 9 (1.06%) Amazon EKS
13 9 (1.06%) Amazon SQS
14 8 (0.94%) Amazon ECS
Communications & Networking
1 59 (6.96%) Firewall
2 47 (5.54%) TCP/IP
3 43 (5.07%) HTTP
4 25 (2.95%) VPN
5 21 (2.48%) DNS
5 21 (2.48%) Intrusion Detection
6 19 (2.24%) Network Security
7 16 (1.89%) WAN
8 15 (1.77%) BGP
8 15 (1.77%) Wireless
9 14 (1.65%) OSPF
9 14 (1.65%) VLAN
10 13 (1.53%) Internet
10 13 (1.53%) IPsec
10 13 (1.53%) LAN
11 11 (1.30%) SSL
12 10 (1.18%) Cisco IOS
12 10 (1.18%) HTTPS
13 9 (1.06%) SAN
13 9 (1.06%) Wireshark
Database & Business Intelligence
1 79 (9.32%) SQL Server
2 74 (8.73%) Relational Database
3 70 (8.25%) Oracle Database
4 60 (7.08%) Big Data
5 59 (6.96%) Hadoop
6 56 (6.60%) MongoDB
7 54 (6.37%) MySQL
8 53 (6.25%) NoSQL
9 38 (4.48%) Data Warehouse
10 37 (4.36%) RDBMS
11 26 (3.07%) PostgreSQL
12 21 (2.48%) Amazon RDS
12 21 (2.48%) Apache Hive
12 21 (2.48%) HBase
13 19 (2.24%) Oracle Database 11g
14 18 (2.12%) Oracle Reports
15 15 (1.77%) Data Lake
16 14 (1.65%) Oracle Database 12c
17 12 (1.42%) BusinessObjects
17 12 (1.42%) PowerCenter
Development Applications
1 153 (18.04%) Git (software)
2 114 (13.44%) Jenkins
3 99 (11.67%) JIRA
4 56 (6.60%) Maven
5 45 (5.31%) JUnit
6 30 (3.54%) Selenium
7 22 (2.59%) SonarQube
7 22 (2.59%) Subversion
8 21 (2.48%) TeamCity
9 20 (2.36%) Mockito
10 18 (2.12%) Ant
11 15 (1.77%) Bitbucket
11 15 (1.77%) Cucumber
11 15 (1.77%) Travis CI
12 14 (1.65%) Jasmine
13 13 (1.53%) Atlassian Bamboo
14 12 (1.42%) Artifactory
15 10 (1.18%) GitLab
16 8 (0.94%) SoapUI
17 7 (0.83%) Checkstyle
General
1 252 (29.72%) Finance
2 139 (16.39%) Banking
3 52 (6.13%) Investment Banking
4 43 (5.07%) Front Office
5 25 (2.95%) Public Sector
6 22 (2.59%) Legal
7 16 (1.89%) Financial Institution
7 16 (1.89%) Retail
7 16 (1.89%) Telecoms
8 15 (1.77%) Law
9 11 (1.30%) Retail Banking
10 7 (0.83%) International Banking
10 7 (0.83%) Marketing
10 7 (0.83%) Publishing
11 5 (0.59%) Games
11 5 (0.59%) Police
12 4 (0.47%) Back Office
13 3 (0.35%) Advertising
13 3 (0.35%) Electronics
14 2 (0.24%) Prime Brokerage
Job Titles
1 298 (35.14%) Developer
2 92 (10.85%) Java Developer
3 90 (10.61%) Analyst
4 67 (7.90%) DevOps Engineer
5 57 (6.72%) Senior Developer
6 56 (6.60%) Architect
7 53 (6.25%) Support Analyst
8 46 (5.42%) Administrator
9 44 (5.19%) Consultant
10 39 (4.60%) C++ Developer
11 28 (3.30%) Linux Engineer
12 26 (3.07%) Senior Java Developer
13 24 (2.83%) Applications Support
14 23 (2.71%) Unix Engineer
15 22 (2.59%) DBA
15 22 (2.59%) Linux/Unix DevOps
16 21 (2.48%) Full Stack Developer
16 21 (2.48%) Oracle Developer
17 20 (2.36%) Systems Administrator
17 20 (2.36%) Systems Engineer
Libraries, Frameworks & Software Standards
1 79 (9.32%) Spring
2 75 (8.84%) Web Services
3 60 (7.08%) HTML
4 57 (6.72%) XML
5 55 (6.49%) REST
6 47 (5.54%) CSS
7 45 (5.31%) SOAP
8 42 (4.95%) Node.js
9 41 (4.83%) RESTful
10 39 (4.60%) AngularJS
10 39 (4.60%) Kafka
11 33 (3.89%) STL
12 32 (3.77%) React
13 31 (3.66%) JSON
14 29 (3.42%) Spring Boot
15 26 (3.07%) J2EE
16 23 (2.71%) Middleware
17 22 (2.59%) Hibernate
18 21 (2.48%) FIX Protocol
19 19 (2.24%) LDAP
Miscellaneous
1 93 (10.97%) Analytical Skills
2 38 (4.48%) Linux Command Line
3 32 (3.77%) Equities
4 29 (3.42%) Foreign Exchange (FX)
5 24 (2.83%) Management Information System
6 23 (2.71%) PKI
7 21 (2.48%) Data Structures
8 20 (2.36%) Data Centre
9 19 (2.24%) Self-Motivation
10 18 (2.12%) Derivative
11 14 (1.65%) Blog
11 14 (1.65%) User Experience
12 13 (1.53%) Algorithms
12 13 (1.53%) Cloud Native
13 12 (1.42%) Enterprise Software
13 12 (1.42%) Fixed Income
13 12 (1.42%) Hedge funds
13 12 (1.42%) Security Operations Centre
13 12 (1.42%) SWIFT
14 11 (1.30%) Public Cloud
Operating Systems
1 516 (60.85%) Linux
2 173 (20.40%) Windows
3 55 (6.49%) Solaris
4 46 (5.42%) Red Hat Enterprise Linux
5 41 (4.83%) Mac OS
6 33 (3.89%) Windows Server
7 23 (2.71%) Mac OS X
8 16 (1.89%) CentOS
8 16 (1.89%) Ubuntu
9 11 (1.30%) AIX
10 9 (1.06%) SUSE Linux Enterprise Server
11 8 (0.94%) Debian
12 7 (0.83%) Check Point GAiA
13 6 (0.71%) Windows Server 2003
13 6 (0.71%) Windows Server 2008
14 5 (0.59%) SUSE
14 5 (0.59%) Windows Server 2012
15 4 (0.47%) Android
15 4 (0.47%) Oracle Linux
16 3 (0.35%) zOS
Processes & Methodologies
1 286 (33.73%) Agile Software Development
2 216 (25.47%) DevOps
3 137 (16.16%) Continuous Integration
4 111 (13.09%) TDD
5 103 (12.15%) Test Automation
6 86 (10.14%) Migration
7 72 (8.49%) Microservices
8 68 (8.02%) Problem-Solving
9 59 (6.96%) Scrum
10 57 (6.72%) SDLC
11 55 (6.49%) ETL
12 54 (6.37%) Continuous Deployment
13 53 (6.25%) OO
14 52 (6.13%) ITIL
15 50 (5.90%) Data Modelling
16 48 (5.66%) Performance Tuning
17 46 (5.42%) Configuration Management
18 45 (5.31%) Software Engineering
19 44 (5.19%) Change Management
20 42 (4.95%) Information Security
Programming Languages
1 293 (34.55%) SQL
2 288 (33.96%) Java
3 254 (29.95%) Python
4 123 (14.50%) JavaScript
5 121 (14.27%) Shell Script
6 80 (9.43%) PL/SQL
7 78 (9.20%) Perl
8 64 (7.55%) Bash Shell
9 61 (7.19%) Ruby
10 60 (7.08%) C++
11 36 (4.25%) Scala
12 33 (3.89%) Go
13 30 (3.54%) PowerShell
14 28 (3.30%) C#
15 27 (3.18%) Java 8
16 25 (2.95%) C
17 22 (2.59%) R
18 18 (2.12%) Korn
19 10 (1.18%) Clojure
19 10 (1.18%) PHP
Qualifications
1 41 (4.83%) Security Cleared
2 39 (4.60%) Degree
3 32 (3.77%) SC Cleared
4 31 (3.66%) AWS Certification
5 30 (3.54%) CISSP
6 24 (2.83%) Cisco Certification
7 20 (2.36%) CCNP
8 13 (1.53%) IISP
9 10 (1.18%) CCIE
10 9 (1.06%) BPSS Clearance
11 8 (0.94%) CISM
11 8 (0.94%) Computer Science Degree
12 7 (0.83%) CCNA
13 6 (0.71%) CEH
13 6 (0.71%) GCIA
13 6 (0.71%) GCIH
13 6 (0.71%) GIAC
14 5 (0.59%) GSEC
15 4 (0.47%) Check Point Certification
15 4 (0.47%) Dell Certification
Quality Assurance & Compliance
1 31 (3.66%) QA
2 28 (3.30%) PCI DSS
3 12 (1.42%) SLA
4 6 (0.71%) COBIT
4 6 (0.71%) ISO/IEC 27001
5 4 (0.47%) Data Quality
5 4 (0.47%) Disclosure Scotland
5 4 (0.47%) MiFID
5 4 (0.47%) Sarbanes-Oxley
6 3 (0.35%) Cyber Essentials
6 3 (0.35%) HL7
7 2 (0.24%) ISO/IEC 20000
7 2 (0.24%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 1 (0.12%) COREP
8 1 (0.12%) FINREP
8 1 (0.12%) ITGC
8 1 (0.12%) WCAG
System Software
1 126 (14.86%) Docker
2 45 (5.31%) Active Directory
3 21 (2.48%) HDFS
4 17 (2.00%) VMware Infrastructure
5 10 (1.18%) Oracle RAC
6 7 (0.83%) VMware ESXi
7 5 (0.59%) ProxySG
7 5 (0.59%) Veritas Cluster Server
7 5 (0.59%) Virtual Machines
8 4 (0.47%) OCFS2
8 4 (0.47%) Veritas Volume Manager
8 4 (0.47%) zsh
9 2 (0.24%) Firmware
9 2 (0.24%) Snort
9 2 (0.24%) Tivoli Workload Scheduler
10 1 (0.12%) Cronacle
10 1 (0.12%) Sendmail
10 1 (0.12%) Veritas File System
10 1 (0.12%) VMware Workstation
10 1 (0.12%) Xen
Systems Management
1 101 (11.91%) Kubernetes
2 86 (10.14%) Ansible
3 58 (6.84%) Terraform
4 43 (5.07%) Puppet
5 38 (4.48%) Opscode Chef
6 20 (2.36%) Control-M
6 20 (2.36%) Hadoop YARN
7 14 (1.65%) CASB
8 13 (1.53%) ITRS Geneos
9 12 (1.42%) Packer
10 11 (1.30%) Grafana
11 10 (1.18%) Kibana
11 10 (1.18%) Prometheus
12 9 (1.06%) Consul
13 8 (0.94%) Salt
14 7 (0.83%) Nagios
15 6 (0.71%) CFEngine
15 6 (0.71%) Data Guard
15 6 (0.71%) Oracle ZFS
15 6 (0.71%) SCCM
Vendors
1 232 (27.36%) Oracle
2 70 (8.25%) Microsoft
3 69 (8.14%) Splunk
4 57 (6.72%) Red Hat
5 38 (4.48%) VMware
6 34 (4.01%) SAP
7 29 (3.42%) TIBCO
8 27 (3.18%) Cisco
9 26 (3.07%) Informatica
10 24 (2.83%) Google
10 24 (2.83%) IBM
11 16 (1.89%) Atlassian
11 16 (1.89%) Teradata
12 15 (1.77%) Citrix
12 15 (1.77%) Dell
12 15 (1.77%) HP
12 15 (1.77%) Sybase
13 12 (1.42%) BMC
13 12 (1.42%) Reuters
14 11 (1.30%) CheckPoint