Period
to 14 November 2019

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 14 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
Central London > City of London
6 months to
14 Nov 2019
Same period 2018 Same period 2017
Rank 85 63 43
Rank change year-on-year -22 -20 -9
Contract jobs citing Unix 163 264 353
As % of all contract IT jobs advertised in the City of London 2.76% 3.74% 4.94%
As % of the Operating Systems category 14.79% 17.98% 24.74%
Number of daily rates quoted 122 193 276
City of London median daily rate £525 £525 £525
10th Percentile £375 £361 £363
90th Percentile £700 £630 £675
Central London median daily rate £513 £525 £525
% change year-on-year -2.38% - +10.53%
Number of hourly rates quoted 1 1 3
City of London median hourly rate £47.50 £22.50 £27.50
Median hourly rate % change year-on-year +111.11% -18.18% -
Central London median hourly rate £47.50 £22.50 £27.50
% change year-on-year +111.11% -18.18% -

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 1,102 1,468 1,427
As % of all contract IT jobs advertised in the City of London 18.68% 20.78% 19.98%
Number of daily rates quoted 855 1,123 1,129
City of London median daily rate £475 £475 £475
10th Percentile £165 £157 £218
90th Percentile £638 £638 £675
Central London median daily rate £450 £475 £475
% change year-on-year -5.26% - +5.56%
Number of hourly rates quoted 34 75 47
City of London median hourly rate £19.25 £18.70 £16.92
Median hourly rate % change year-on-year +2.94% +10.55% -10.97%
10th Percentile £12.04 £13.40 £11.25
90th Percentile £45.33 £24.14 £26.45
Central London median hourly rate £19.75 £18.70 £17.00
% change year-on-year +5.61% +10.00% -2.86%

Unix
Job Vacancy Trend in the City of London

Job postings citing Unix as a percentage 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

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

Contractor daily rate trend for Unix in the City of London

Unix
Contractor Daily Rate Histogram in the City of London

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

Contractor daily rate histogram for Unix in the City of London

Unix
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Unix in the City of London

Unix
Contract Job Locations in the City of 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 City of London region over the 6 months to 14 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
Moorgate -5 1 - -
Unix
Central London

For the 6 months to 14 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 City of London region with a requirement for Unix.

1 111 (68.10%) Linux
2 73 (44.79%) Finance
3 52 (31.90%) Java
4 47 (28.83%) Python
5 46 (28.22%) Windows
5 46 (28.22%) SQL
6 43 (26.38%) Agile Software Development
7 41 (25.15%) DevOps
8 32 (19.63%) AWS
9 31 (19.02%) Banking
10 29 (17.79%) Jenkins
11 28 (17.18%) Docker
12 27 (16.56%) Ansible
13 26 (15.95%) JIRA
14 24 (14.72%) Oracle
14 24 (14.72%) Web Services
15 23 (14.11%) Git (software)
16 22 (13.50%) Microsoft
17 20 (12.27%) GitHub
18 19 (11.66%) Terraform
19 17 (10.43%) Perl
19 17 (10.43%) Azure
20 16 (9.82%) Amazon S3
20 16 (9.82%) Hadoop
20 16 (9.82%) Spring
20 16 (9.82%) Kubernetes
21 15 (9.20%) Opscode Chef
21 15 (9.20%) Test Automation
21 15 (9.20%) Confluence
21 15 (9.20%) JavaScript

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 15 (9.20%) Confluence
2 12 (7.36%) Apache Spark
3 9 (5.52%) Apache
3 9 (5.52%) Elasticsearch
4 6 (3.68%) Tomcat
5 4 (2.45%) IIS
5 4 (2.45%) JBoss
5 4 (2.45%) Oracle Workflow
5 4 (2.45%) WebSphere
6 3 (1.84%) CMS
6 3 (1.84%) Oracle Coherence
6 3 (1.84%) Oracle SOA Suite
7 2 (1.23%) Apache Solr
7 2 (1.23%) WebLogic
8 1 (0.61%) Apache Airflow
8 1 (0.61%) Appian
8 1 (0.61%) Cloud Foundry
8 1 (0.61%) Jupyter
8 1 (0.61%) OpenStack
8 1 (0.61%) SilverStripe
Applications
1 6 (3.68%) Microsoft Office
2 4 (2.45%) Microsoft Excel
3 2 (1.23%) MS Visio
Business Applications
1 5 (3.07%) Oracle Assets
1 5 (3.07%) Oracle Cash Management
1 5 (3.07%) Oracle FAH
1 5 (3.07%) Oracle General Ledger
1 5 (3.07%) Oracle Internet Expenses
1 5 (3.07%) Oracle iProcurement
1 5 (3.07%) Oracle Payables
1 5 (3.07%) Oracle Procure-to-Pay
1 5 (3.07%) Oracle Receivables
1 5 (3.07%) Oracle Subledger Accounting
2 3 (1.84%) BusinessWorks
3 1 (0.61%) WebTrends
Cloud Services
1 32 (19.63%) AWS
2 20 (12.27%) GitHub
3 17 (10.43%) Azure
4 16 (9.82%) Amazon S3
5 14 (8.59%) Amazon EC2
6 13 (7.98%) AWS Lambda
6 13 (7.98%) Serverless
7 11 (6.75%) Route 53
8 9 (5.52%) Virtual Private Cloud
9 7 (4.29%) Amazon ECS
10 6 (3.68%) GCP
11 5 (3.07%) Office 365
12 4 (2.45%) Amazon CloudWatch
12 4 (2.45%) Amazon Glacier
12 4 (2.45%) Amazon SQS
12 4 (2.45%) AWS CloudFormation
12 4 (2.45%) AWS CodePipeline
12 4 (2.45%) SaaS
13 3 (1.84%) PaaS
14 2 (1.23%) Amazon EMR
Communications & Networking
1 11 (6.75%) Firewall
1 11 (6.75%) Intrusion Detection
1 11 (6.75%) Wireless
2 9 (5.52%) BGP
2 9 (5.52%) DNS
2 9 (5.52%) OSPF
2 9 (5.52%) TCP/IP
2 9 (5.52%) WAN
3 8 (4.91%) Cisco IOS
3 8 (4.91%) LAN
3 8 (4.91%) NX-OS
4 7 (4.29%) Network Security
4 7 (4.29%) SAN
5 6 (3.68%) BIG-IP
5 6 (3.68%) H.323
5 6 (3.68%) HTTP
5 6 (3.68%) IPsec
5 6 (3.68%) MGCP
6 5 (3.07%) VoIP
6 5 (3.07%) VPN
Database & Business Intelligence
1 16 (9.82%) Hadoop
2 13 (7.98%) HBase
3 12 (7.36%) Data Warehouse
4 10 (6.13%) SQL Server
5 9 (5.52%) Oracle Database
6 8 (4.91%) Big Data
6 8 (4.91%) MySQL
7 7 (4.29%) Amazon RDS
7 7 (4.29%) Apache Hive
7 7 (4.29%) Oracle Reports
7 7 (4.29%) Relational Database
8 6 (3.68%) MongoDB
9 5 (3.07%) NoSQL
9 5 (3.07%) Oracle BI Publisher
9 5 (3.07%) Oracle ODI
9 5 (3.07%) Presto
9 5 (3.07%) Spark SQL
10 4 (2.45%) Sqoop
11 3 (1.84%) PostgreSQL
12 2 (1.23%) Snowflake Schema
Development Applications
1 29 (17.79%) Jenkins
2 26 (15.95%) JIRA
3 23 (14.11%) Git (software)
4 8 (4.91%) Maven
5 7 (4.29%) TeamCity
6 6 (3.68%) Subversion
6 6 (3.68%) Travis CI
7 5 (3.07%) JUnit
8 3 (1.84%) Cucumber
8 3 (1.84%) Mockito
8 3 (1.84%) Selenium
9 2 (1.23%) jMock
9 2 (1.23%) SonarQube
10 1 (0.61%) Atlassian Bamboo
10 1 (0.61%) Burp Suite
10 1 (0.61%) gulp
10 1 (0.61%) Oracle Forms
10 1 (0.61%) PowerBuilder
10 1 (0.61%) TestNG
10 1 (0.61%) webpack
General
1 73 (44.79%) Finance
2 31 (19.02%) Banking
3 13 (7.98%) Investment Banking
4 7 (4.29%) Front Office
5 5 (3.07%) International Banking
5 5 (3.07%) Public Sector
5 5 (3.07%) Retail Banking
6 4 (2.45%) Telecoms
7 3 (1.84%) Back Office
7 3 (1.84%) Law
8 2 (1.23%) Games
8 2 (1.23%) Publishing
9 1 (0.61%) Advertising
9 1 (0.61%) Arabic Language
9 1 (0.61%) Electronics
9 1 (0.61%) Financial Institution
9 1 (0.61%) Legal
9 1 (0.61%) Marketing
9 1 (0.61%) Retail
Job Titles
1 44 (26.99%) Developer
2 24 (14.72%) Analyst
3 19 (11.66%) DevOps Engineer
3 19 (11.66%) Java Developer
4 13 (7.98%) Support Analyst
5 11 (6.75%) Architect
5 11 (6.75%) AWS DevOps
5 11 (6.75%) AWS DevOps Engineer
5 11 (6.75%) AWS Engineer
6 9 (5.52%) Network Engineer
7 8 (4.91%) Data Engineer
8 7 (4.29%) Applications Support
8 7 (4.29%) DevOps Engineer - Fintech
9 6 (3.68%) Administrator
9 6 (3.68%) Consultant
9 6 (3.68%) Full Stack Developer
9 6 (3.68%) Oracle Developer
9 6 (3.68%) Systems Administrator
9 6 (3.68%) Unix Analyst
9 6 (3.68%) Windows Support Analyst
Libraries, Frameworks & Software Standards
1 24 (14.72%) Web Services
2 16 (9.82%) Spring
3 13 (7.98%) HTML
4 12 (7.36%) Node.js
4 12 (7.36%) RESTful
5 10 (6.13%) XML
6 9 (5.52%) CSS
6 9 (5.52%) REST
7 8 (4.91%) FIX Protocol
7 8 (4.91%) J2EE
8 7 (4.29%) AngularJS
9 6 (3.68%) Kafka
9 6 (3.68%) PySpark
9 6 (3.68%) SOAP
10 5 (3.07%) Elastic Stack
10 5 (3.07%) React
10 5 (3.07%) Spark Streaming
11 4 (2.45%) 802.1X
11 4 (2.45%) CSS3
11 4 (2.45%) HTML5
Miscellaneous
1 11 (6.75%) Linux Command Line
2 9 (5.52%) Analytical Skills
2 9 (5.52%) Management Information System
3 8 (4.91%) Equities
4 6 (3.68%) Cloud Native
4 6 (3.68%) PKI
4 6 (3.68%) Security Operations Centre
5 5 (3.07%) Data Centre
5 5 (3.07%) Derivative
5 5 (3.07%) Foreign Exchange (FX)
5 5 (3.07%) Self-Motivation
6 3 (1.84%) Analytical Mindset
6 3 (1.84%) Data Structures
6 3 (1.84%) Enterprise Software
6 3 (1.84%) Interest Rate Derivative
6 3 (1.84%) Video Conferencing
7 2 (1.23%) Blog
7 2 (1.23%) Public Cloud
7 2 (1.23%) User Experience
7 2 (1.23%) Virtual Team
Operating Systems
1 111 (68.10%) Linux
2 46 (28.22%) Windows
3 12 (7.36%) Solaris
3 12 (7.36%) Windows Server
4 7 (4.29%) Red Hat Enterprise Linux
5 5 (3.07%) Mac OS X
6 4 (2.45%) Debian
7 3 (1.84%) Check Point GAiA
7 3 (1.84%) Mac OS
7 3 (1.84%) Windows 10
7 3 (1.84%) Windows 7
7 3 (1.84%) Windows Server 2008
7 3 (1.84%) Windows Server 2012
8 2 (1.23%) AIX
8 2 (1.23%) Windows Server 2003
8 2 (1.23%) zOS
Processes & Methodologies
1 43 (26.38%) Agile Software Development
2 41 (25.15%) DevOps
3 15 (9.20%) Configuration Management
3 15 (9.20%) Test Automation
4 14 (8.59%) ETL
4 14 (8.59%) Migration
4 14 (8.59%) TDD
5 13 (7.98%) Analytics
5 13 (7.98%) Continuous Integration
5 13 (7.98%) Problem-Solving
5 13 (7.98%) SIEM
6 12 (7.36%) Change Management
7 11 (6.75%) Information Security
7 11 (6.75%) ITIL
8 10 (6.13%) Fintech
8 10 (6.13%) Microservices
9 9 (5.52%) Computer Science
9 9 (5.52%) Risk Management
10 8 (4.91%) Project Management
10 8 (4.91%) Software Engineering
Programming Languages
1 52 (31.90%) Java
2 47 (28.83%) Python
3 46 (28.22%) SQL
4 17 (10.43%) Perl
5 15 (9.20%) JavaScript
6 14 (8.59%) PL/SQL
7 10 (6.13%) Shell Script
8 9 (5.52%) Bash Shell
8 9 (5.52%) Scala
9 7 (4.29%) Java 8
10 5 (3.07%) Korn
10 5 (3.07%) R
11 4 (2.45%) C++
11 4 (2.45%) Go
11 4 (2.45%) Ruby
12 3 (1.84%) AWK
12 3 (1.84%) C
12 3 (1.84%) C-shell
13 2 (1.23%) C#
13 2 (1.23%) Groovy
Qualifications
1 8 (4.91%) Security Cleared
2 7 (4.29%) Cisco Certification
2 7 (4.29%) SC Cleared
3 6 (3.68%) CISSP
4 5 (3.07%) AWS Certification
5 4 (2.45%) CCIE
5 4 (2.45%) CCNP
5 4 (2.45%) Degree
6 3 (1.84%) Check Point Certification
6 3 (1.84%) Dell Certification
6 3 (1.84%) HNC
6 3 (1.84%) HND
6 3 (1.84%) Microsoft Certification
7 2 (1.23%) CCNA
7 2 (1.23%) MCP
8 1 (0.61%) CISM
8 1 (0.61%) GCIA
8 1 (0.61%) GCIH
8 1 (0.61%) JNCIP
8 1 (0.61%) Server+ Certification
Quality Assurance & Compliance
1 5 (3.07%) QA
2 3 (1.84%) MiFID
3 2 (1.23%) Data Quality
3 2 (1.23%) SLA
4 1 (0.61%) PCI DSS
System Software
1 28 (17.18%) Docker
2 9 (5.52%) Active Directory
3 5 (3.07%) HDFS
4 4 (2.45%) ProxySG
5 3 (1.84%) Cronacle
5 3 (1.84%) Veritas File System
5 3 (1.84%) Veritas Volume Manager
5 3 (1.84%) Virtual Machines
6 2 (1.23%) Firmware
7 1 (0.61%) Veritas Cluster Server
7 1 (0.61%) VMware Infrastructure
Systems Management
1 27 (16.56%) Ansible
2 19 (11.66%) Terraform
3 16 (9.82%) Kubernetes
4 15 (9.20%) Opscode Chef
5 10 (6.13%) Hadoop YARN
5 10 (6.13%) Puppet
6 5 (3.07%) Packer
7 4 (2.45%) Iperf
7 4 (2.45%) Kibana
7 4 (2.45%) Prometheus
8 3 (1.84%) Norton AntiVirus
8 3 (1.84%) Oracle ZFS
9 2 (1.23%) CSIRT
9 2 (1.23%) logstash
9 2 (1.23%) SCCM
9 2 (1.23%) vRealize
10 1 (0.61%) NetVault Backup
10 1 (0.61%) QRadar
10 1 (0.61%) SELinux
10 1 (0.61%) Sysdig
Vendors
1 24 (14.72%) Oracle
2 22 (13.50%) Microsoft
3 14 (8.59%) Cisco
4 10 (6.13%) Dell
5 9 (5.52%) F5
5 9 (5.52%) Red Hat
6 8 (4.91%) Atlassian
6 8 (4.91%) Splunk
7 7 (4.29%) VMware
8 6 (3.68%) Google
8 6 (3.68%) Sun
9 5 (3.07%) CheckPoint
9 5 (3.07%) TIBCO
10 4 (2.45%) Blue Coat
10 4 (2.45%) HP
10 4 (2.45%) Informatica
10 4 (2.45%) Remedy
10 4 (2.45%) Riverbed
10 4 (2.45%) SolarWinds
10 4 (2.45%) Trend Micro