Period
to 16 November 2019

The following table provides summary statistics for contract job vacancies advertised in Central 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 16 November 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
London > Central London
6 months to
16 Nov 2019
Same period 2018 Same period 2017
Rank 92 64 47
Rank change year-on-year -28 -17 -9
Contract jobs citing Unix 199 341 403
As % of all contract IT jobs advertised in Central London 2.69% 3.72% 4.74%
As % of the Operating Systems category 14.33% 17.92% 23.40%
Number of daily rates quoted 155 253 315
Central London median daily rate £513 £525 £525
Median daily rate % change year-on-year -2.38% - +10.53%
10th Percentile £375 £364 £363
90th Percentile £697 £636 £675
London median daily rate £525 £530 £525
% change year-on-year -0.94% +0.95% +10.53%
Number of hourly rates quoted 1 1 3
Central London median hourly rate £47.50 £22.50 £27.50
Median hourly rate % change year-on-year +111.11% -18.18% -
London median hourly rate £45.00 £28.75 £29.88
% change year-on-year +56.52% -3.77% +8.64%

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 Central London with a requirement for operating system skills.

All Operating Systems
Central London
Contract vacancies with a requirement for operating system skills 1,389 1,903 1,722
As % of all contract IT jobs advertised in Central London 18.78% 20.76% 20.27%
Number of daily rates quoted 1,075 1,430 1,338
Central London median daily rate £450 £475 £475
Median daily rate % change year-on-year -5.26% - +5.56%
10th Percentile £163 £156 £210
90th Percentile £634 £625 £663
London median daily rate £463 £485 £475
% change year-on-year -4.64% +2.11% +5.56%
Number of hourly rates quoted 44 82 58
Central London median hourly rate £19.75 £18.70 £17.00
Median hourly rate % change year-on-year +5.61% +10.00% -2.86%
10th Percentile £12.17 £14.00 £11.43
90th Percentile £45.33 £24.34 £30.00
London median hourly rate £21.00 £18.70 £19.00
% change year-on-year +12.30% -1.58% +5.56%

Unix
Job Vacancy Trend in Central London

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

Job vacancy trend for Unix in Central London

Unix
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for Unix in Central London

Unix
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Unix in Central London over the 6 months to 16 November 2019.

Contractor daily rate histogram for Unix in Central London

Unix
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for Unix in Central London

Unix
Contract Job Locations in Central 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 Central London region over the 6 months to 16 November 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
City of London -26 158 £525 - 65
City of Westminster -6 8 £563 +2.27%
Camden -2 2 £430 -31.20%
Unix
London

For the 6 months to 16 November 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 Central London region with a requirement for Unix.

1 143 (71.86%) Linux
2 74 (37.19%) Finance
3 64 (32.16%) Agile Software Development
4 62 (31.16%) Java
5 61 (30.65%) SQL
5 61 (30.65%) Python
6 51 (25.63%) Windows
7 46 (23.12%) DevOps
8 45 (22.61%) AWS
9 36 (18.09%) Git (software)
9 36 (18.09%) Oracle
10 35 (17.59%) Docker
11 32 (16.08%) Banking
12 31 (15.58%) Jenkins
13 30 (15.08%) Ansible
14 26 (13.07%) ETL
15 24 (12.06%) PL/SQL
15 24 (12.06%) Web Services
15 24 (12.06%) Migration
15 24 (12.06%) JIRA
16 22 (11.06%) JavaScript
16 22 (11.06%) Microsoft
16 22 (11.06%) Azure
17 21 (10.55%) Test Automation
18 20 (10.05%) TDD
19 19 (9.55%) Shell Script
19 19 (9.55%) Kubernetes
19 19 (9.55%) GitHub
19 19 (9.55%) Terraform
20 18 (9.05%) Spring

Unix
Co-occurring IT Skills in Central 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 14 (7.04%) Confluence
2 12 (6.03%) Apache
3 11 (5.53%) Apache Spark
3 11 (5.53%) Elasticsearch
4 6 (3.02%) Tomcat
5 4 (2.01%) Apache Airflow
5 4 (2.01%) IIS
5 4 (2.01%) JBoss
5 4 (2.01%) Oracle Workflow
5 4 (2.01%) WebSphere
6 3 (1.51%) CMS
6 3 (1.51%) Oracle Coherence
6 3 (1.51%) Oracle SOA Suite
7 2 (1.01%) Apache Solr
7 2 (1.01%) MS Exchange
7 2 (1.01%) WebLogic
8 1 (0.50%) Appian
8 1 (0.50%) NetWeaver
8 1 (0.50%) SAP Portal
8 1 (0.50%) WebSphere Application Server
Applications
1 6 (3.02%) Microsoft Office
2 4 (2.01%) Microsoft Excel
3 2 (1.01%) MS Visio
Business Applications
1 5 (2.51%) Oracle Assets
1 5 (2.51%) Oracle Cash Management
1 5 (2.51%) Oracle FAH
1 5 (2.51%) Oracle General Ledger
1 5 (2.51%) Oracle Internet Expenses
1 5 (2.51%) Oracle iProcurement
1 5 (2.51%) Oracle Payables
1 5 (2.51%) Oracle Procure-to-Pay
1 5 (2.51%) Oracle Receivables
1 5 (2.51%) Oracle Subledger Accounting
2 3 (1.51%) BusinessWorks
3 1 (0.50%) Oracle Applications
3 1 (0.50%) Oracle EBS
3 1 (0.50%) SAP BPC
3 1 (0.50%) WebTrends
Cloud Services
1 45 (22.61%) AWS
2 22 (11.06%) Azure
3 19 (9.55%) GitHub
4 18 (9.05%) Amazon S3
5 13 (6.53%) Amazon EC2
6 12 (6.03%) AWS Lambda
6 12 (6.03%) Serverless
7 10 (5.03%) Route 53
8 8 (4.02%) Virtual Private Cloud
9 7 (3.52%) GCP
10 6 (3.02%) Amazon ECS
11 5 (2.51%) Office 365
12 4 (2.01%) Amazon CloudWatch
12 4 (2.01%) Amazon Glacier
12 4 (2.01%) Amazon SQS
12 4 (2.01%) AWS CloudFormation
12 4 (2.01%) AWS CodePipeline
12 4 (2.01%) SaaS
13 3 (1.51%) PaaS
14 2 (1.01%) CloudFront
Communications & Networking
1 13 (6.53%) Firewall
2 11 (5.53%) Intrusion Detection
2 11 (5.53%) Wireless
3 9 (4.52%) BGP
3 9 (4.52%) DNS
3 9 (4.52%) OSPF
3 9 (4.52%) SAN
3 9 (4.52%) TCP/IP
3 9 (4.52%) WAN
4 8 (4.02%) Cisco IOS
4 8 (4.02%) LAN
4 8 (4.02%) NX-OS
5 7 (3.52%) HTTP
5 7 (3.52%) Network Security
6 6 (3.02%) BIG-IP
6 6 (3.02%) H.323
6 6 (3.02%) IPsec
6 6 (3.02%) MGCP
7 5 (2.51%) MPLS
7 5 (2.51%) Wi-Fi
Database & Business Intelligence
1 15 (7.54%) Data Warehouse
1 15 (7.54%) Hadoop
2 13 (6.53%) MongoDB
2 13 (6.53%) MySQL
3 12 (6.03%) HBase
4 11 (5.53%) Relational Database
4 11 (5.53%) SQL Server
5 10 (5.03%) Oracle Database
6 9 (4.52%) Big Data
7 7 (3.52%) Amazon RDS
7 7 (3.52%) Apache Hive
7 7 (3.52%) Oracle Reports
7 7 (3.52%) PostgreSQL
7 7 (3.52%) SAP Data Services
8 5 (2.51%) Amazon Redshift
8 5 (2.51%) NoSQL
8 5 (2.51%) Oracle BI Publisher
8 5 (2.51%) Oracle ODI
8 5 (2.51%) Presto
8 5 (2.51%) Spark SQL
Development Applications
1 36 (18.09%) Git (software)
2 31 (15.58%) Jenkins
3 24 (12.06%) JIRA
4 9 (4.52%) Maven
5 7 (3.52%) Subversion
5 7 (3.52%) TeamCity
6 6 (3.02%) Mockito
6 6 (3.02%) Travis CI
7 5 (2.51%) JUnit
7 5 (2.51%) SonarQube
8 4 (2.01%) Cucumber
9 3 (1.51%) ERwin
9 3 (1.51%) Selenium
10 2 (1.01%) Atlassian Bamboo
10 2 (1.01%) jMock
11 1 (0.50%) Ant
11 1 (0.50%) EasyMock
11 1 (0.50%) Oracle Forms
11 1 (0.50%) PowerBuilder
11 1 (0.50%) TestNG
General
1 74 (37.19%) Finance
2 32 (16.08%) Banking
3 13 (6.53%) Investment Banking
4 10 (5.03%) Front Office
4 10 (5.03%) Public Sector
5 7 (3.52%) International Banking
6 4 (2.01%) Legal
6 4 (2.01%) Retail Banking
6 4 (2.01%) Telecoms
7 3 (1.51%) Back Office
7 3 (1.51%) Law
8 2 (1.01%) Games
8 2 (1.01%) Publishing
9 1 (0.50%) Advertising
9 1 (0.50%) Arabic Language
9 1 (0.50%) Electronics
9 1 (0.50%) Financial Institution
9 1 (0.50%) Marketing
9 1 (0.50%) Retail
Job Titles
1 65 (32.66%) Developer
2 27 (13.57%) Analyst
3 23 (11.56%) Java Developer
4 17 (8.54%) DevOps Engineer
5 15 (7.54%) Support Analyst
6 14 (7.04%) Architect
6 14 (7.04%) AWS Engineer
7 11 (5.53%) AWS DevOps
7 11 (5.53%) AWS DevOps Engineer
7 11 (5.53%) Data Engineer
8 9 (4.52%) Applications Support
8 9 (4.52%) Full Stack Developer
8 9 (4.52%) Network Engineer
9 8 (4.02%) Administrator
9 8 (4.02%) Python Developer
10 7 (3.52%) Consultant
10 7 (3.52%) ETL Developer
10 7 (3.52%) SAP Developer
11 6 (3.02%) Senior Developer
11 6 (3.02%) Systems Administrator
Libraries, Frameworks & Software Standards
1 24 (12.06%) Web Services
2 18 (9.05%) Spring
3 17 (8.54%) HTML
4 15 (7.54%) Node.js
5 13 (6.53%) REST
6 12 (6.03%) CSS
6 12 (6.03%) RESTful
7 11 (5.53%) J2EE
8 10 (5.03%) XML
9 8 (4.02%) FIX Protocol
9 8 (4.02%) PySpark
10 7 (3.52%) Ajax
10 7 (3.52%) AngularJS
10 7 (3.52%) Kafka
10 7 (3.52%) React
11 6 (3.02%) SOAP
11 6 (3.02%) Spring Boot
12 5 (2.51%) Ruby on Rails
12 5 (2.51%) Spark Streaming
12 5 (2.51%) XHTML
Miscellaneous
1 11 (5.53%) Linux Command Line
2 10 (5.03%) Management Information System
3 9 (4.52%) Analytical Skills
4 8 (4.02%) Equities
5 6 (3.02%) Cloud Native
5 6 (3.02%) Security Operations Centre
5 6 (3.02%) Self-Motivation
6 5 (2.51%) Data Centre
6 5 (2.51%) Derivative
6 5 (2.51%) Enterprise Software
6 5 (2.51%) Foreign Exchange (FX)
6 5 (2.51%) PKI
7 4 (2.01%) Hedge funds
7 4 (2.01%) User Experience
8 3 (1.51%) Analytical Mindset
8 3 (1.51%) Data Structures
8 3 (1.51%) Interest Rate Derivative
8 3 (1.51%) Video Conferencing
9 2 (1.01%) Blog
9 2 (1.01%) Virtual Team
Operating Systems
1 143 (71.86%) Linux
2 51 (25.63%) Windows
3 15 (7.54%) Windows Server
4 12 (6.03%) Solaris
5 10 (5.03%) Mac OS X
5 10 (5.03%) Red Hat Enterprise Linux
6 8 (4.02%) Mac OS
7 4 (2.01%) Debian
7 4 (2.01%) Windows Server 2008
8 3 (1.51%) Check Point GAiA
8 3 (1.51%) Windows 10
8 3 (1.51%) Windows 7
8 3 (1.51%) Windows Server 2003
8 3 (1.51%) Windows Server 2012
9 2 (1.01%) AIX
9 2 (1.01%) zOS
10 1 (0.50%) CentOS
10 1 (0.50%) CoreOS
10 1 (0.50%) Ubuntu
Processes & Methodologies
1 64 (32.16%) Agile Software Development
2 46 (23.12%) DevOps
3 26 (13.07%) ETL
4 24 (12.06%) Migration
5 21 (10.55%) Test Automation
6 20 (10.05%) TDD
7 18 (9.05%) Continuous Integration
8 17 (8.54%) Configuration Management
8 17 (8.54%) Microservices
9 16 (8.04%) Scrum
10 14 (7.04%) Analytics
10 14 (7.04%) Data Migration
11 13 (6.53%) Change Management
11 13 (6.53%) Problem-Solving
12 12 (6.03%) SIEM
13 11 (5.53%) Continuous Deployment
13 11 (5.53%) Data Modelling
13 11 (5.53%) Information Security
13 11 (5.53%) ITIL
13 11 (5.53%) SOA
Programming Languages
1 62 (31.16%) Java
2 61 (30.65%) Python
2 61 (30.65%) SQL
3 24 (12.06%) PL/SQL
4 22 (11.06%) JavaScript
5 19 (9.55%) Shell Script
6 16 (8.04%) Perl
7 14 (7.04%) Ruby
8 9 (4.52%) Bash Shell
8 9 (4.52%) Java 8
9 8 (4.02%) Go
9 8 (4.02%) Scala
10 4 (2.01%) C++
10 4 (2.01%) Korn
10 4 (2.01%) R
10 4 (2.01%) TypeScript
11 3 (1.51%) AWK
11 3 (1.51%) C
11 3 (1.51%) C-shell
11 3 (1.51%) PowerShell
Qualifications
1 9 (4.52%) Security Cleared
2 7 (3.52%) Cisco Certification
2 7 (3.52%) SC Cleared
3 6 (3.02%) CISSP
4 5 (2.51%) AWS Certification
5 4 (2.01%) CCIE
5 4 (2.01%) CCNP
5 4 (2.01%) Degree
6 3 (1.51%) Check Point Certification
6 3 (1.51%) Dell Certification
6 3 (1.51%) HNC
6 3 (1.51%) HND
6 3 (1.51%) Microsoft Certification
7 2 (1.01%) CCNA
7 2 (1.01%) MCP
8 1 (0.50%) CISM
8 1 (0.50%) GCIA
8 1 (0.50%) ISEB
8 1 (0.50%) MCSE
8 1 (0.50%) Server+ Certification
Quality Assurance & Compliance
1 5 (2.51%) PCI DSS
1 5 (2.51%) QA
2 4 (2.01%) Data Quality
2 4 (2.01%) SLA
3 3 (1.51%) MiFID
System Software
1 35 (17.59%) Docker
2 10 (5.03%) Active Directory
3 4 (2.01%) HDFS
3 4 (2.01%) ProxySG
4 3 (1.51%) Cronacle
4 3 (1.51%) Veritas File System
4 3 (1.51%) Veritas Volume Manager
4 3 (1.51%) Virtual Machines
4 3 (1.51%) VMware Infrastructure
5 2 (1.01%) Firmware
6 1 (0.50%) Veritas Cluster Server
Systems Management
1 30 (15.08%) Ansible
2 19 (9.55%) Kubernetes
2 19 (9.55%) Terraform
3 17 (8.54%) Opscode Chef
4 10 (5.03%) Puppet
5 9 (4.52%) Hadoop YARN
6 5 (2.51%) Packer
7 4 (2.01%) Iperf
7 4 (2.01%) Kibana
7 4 (2.01%) Prometheus
8 3 (1.51%) Norton AntiVirus
8 3 (1.51%) Oracle ZFS
9 2 (1.01%) CSIRT
9 2 (1.01%) logstash
9 2 (1.01%) SCCM
9 2 (1.01%) vRealize
10 1 (0.50%) CASB
10 1 (0.50%) QRadar
10 1 (0.50%) Salt
10 1 (0.50%) Sysdig
Vendors
1 36 (18.09%) Oracle
2 22 (11.06%) Microsoft
3 14 (7.04%) Cisco
4 12 (6.03%) VMware
5 11 (5.53%) Red Hat
6 10 (5.03%) Dell
7 9 (4.52%) F5
8 8 (4.02%) SAP
9 7 (3.52%) Atlassian
9 7 (3.52%) Google
9 7 (3.52%) Splunk
10 6 (3.02%) Remedy
10 6 (3.02%) Sun
10 6 (3.02%) Teradata
11 5 (2.51%) CheckPoint
11 5 (2.51%) Citrix
11 5 (2.51%) TIBCO
12 4 (2.01%) Bloomberg
12 4 (2.01%) Blue Coat
12 4 (2.01%) Reuters