Period
to 30 October 2020

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 30 October 2020 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
30 Oct 2020
Same period 2019 Same period 2018
Rank 51 82 64
Rank change year-on-year +31 -18 -23
Contract jobs citing Unix 66 177 264
As % of all contract jobs advertised in the City of London 3.65% 2.96% 3.75%
As % of the Operating Systems category 21.50% 15.80% 18.19%
Number of daily rates quoted 48 134 196
Median daily rate £525 £539 £525
Median daily rate % change year-on-year -2.55% +2.62% -
10th Percentile £422 £375 £361
90th Percentile £690 £700 £625
Central London median daily rate £538 £525 £525
% change year-on-year +2.38% - -
Number of hourly rates quoted 1 1 1
Median hourly rate £37.50 £47.50 £22.50
Median hourly rate % change year-on-year -21.05% +111.11% -18.18%
10th Percentile £36.75 £43.75 £21.25
90th Percentile £38.25 £51.25 £23.75
Central London median hourly rate £37.50 £47.50 £22.50
% change year-on-year -21.05% +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 307 1,120 1,451
As % of all contract IT jobs advertised in the City of London 16.97% 18.76% 20.62%
Number of daily rates quoted 224 869 1,115
Median daily rate £475 £475 £483
Median daily rate % change year-on-year - -1.55% +1.58%
10th Percentile £210 £189 £158
90th Percentile £650 £650 £638
Central London median daily rate £475 £466 £475
% change year-on-year +1.88% -1.84% -
Number of hourly rates quoted 4 34 73
Median hourly rate £22.75 £20.50 £18.70
Median hourly rate % change year-on-year +10.98% +9.63% +10.28%
10th Percentile £20.75 £12.04 £13.20
90th Percentile £33.68 £49.32 £24.32
Median hourly rate £22.75 £20.50 £18.70
% change year-on-year +10.98% +9.63% +10.00%

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 30 October 2020.

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 30 October 2020, 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 43 (65.15%) Linux
2 29 (43.94%) Windows
3 23 (34.85%) Oracle
4 21 (31.82%) Java
5 20 (30.30%) Finance
6 19 (28.79%) SQL
6 19 (28.79%) Python
7 18 (27.27%) SQL Server
8 17 (25.76%) Banking
9 16 (24.24%) DevOps
10 15 (22.73%) Perl
11 13 (19.70%) Active Directory
11 13 (19.70%) Red Hat
11 13 (19.70%) Investment Banking
12 12 (18.18%) Kubernetes
12 12 (18.18%) Git (software)
12 12 (18.18%) AWS
13 11 (16.67%) SIEM
13 11 (16.67%) Analytical Skills
13 11 (16.67%) Windows Server
13 11 (16.67%) VMware
13 11 (16.67%) Sybase
13 11 (16.67%) Web Services
14 10 (15.15%) MySQL
14 10 (15.15%) Migration
14 10 (15.15%) Firewall
14 10 (15.15%) Management Information System
14 10 (15.15%) Agile Software Development
15 9 (13.64%) TDD
15 9 (13.64%) Information Security

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 5 (7.58%) SharePoint
2 4 (6.06%) Confluence
3 3 (4.55%) JBoss
3 3 (4.55%) WebLogic
4 2 (3.03%) Apache
4 2 (3.03%) CMS
4 2 (3.03%) Elasticsearch
4 2 (3.03%) Oracle SOA Suite
4 2 (3.03%) Red Hat Fuse
4 2 (3.03%) WebSphere
4 2 (3.03%) WebSphere Application Server
5 1 (1.52%) Apache Spark
5 1 (1.52%) Appian
5 1 (1.52%) Cloud Foundry
5 1 (1.52%) IIS
5 1 (1.52%) SAS
5 1 (1.52%) SharePoint Server
5 1 (1.52%) Tomcat
Applications
1 5 (7.58%) Microsoft Office
2 2 (3.03%) Microsoft Excel
3 1 (1.52%) MS Visio
3 1 (1.52%) RoboHelp
Business Applications
1 1 (1.52%) Summit
Cloud Services
1 12 (18.18%) AWS
2 7 (10.61%) Azure
2 7 (10.61%) OpenShift
3 4 (6.06%) IaaS
4 3 (4.55%) Office 365
5 2 (3.03%) Amazon CloudWatch
5 2 (3.03%) Apigee
5 2 (3.03%) GCP
5 2 (3.03%) GitHub
5 2 (3.03%) IBM Cloud
5 2 (3.03%) Power Platform
6 1 (1.52%) AWS CloudFormation
6 1 (1.52%) AWS CloudTrail
6 1 (1.52%) AWS Lambda
6 1 (1.52%) Coveralls
6 1 (1.52%) Datadog
6 1 (1.52%) npm
6 1 (1.52%) NuGet
6 1 (1.52%) Serverless
6 1 (1.52%) Virtual Private Cloud
Communications & Networking
1 10 (15.15%) Firewall
2 8 (12.12%) DNS
3 7 (10.61%) DHCP
3 7 (10.61%) TCP/IP
4 5 (7.58%) HTTP
4 5 (7.58%) HTTPS
4 5 (7.58%) Internet
5 4 (6.06%) Intrusion Detection
5 4 (6.06%) IPsec
6 3 (4.55%) LAN
6 3 (4.55%) VPN
6 3 (4.55%) WAN
7 2 (3.03%) AMQP
7 2 (3.03%) Kerberos
7 2 (3.03%) SSH
7 2 (3.03%) SSL
7 2 (3.03%) Wireshark
8 1 (1.52%) 2G
8 1 (1.52%) 4G
8 1 (1.52%) 5G
Database & Business Intelligence
1 18 (27.27%) SQL Server
2 10 (15.15%) MySQL
3 9 (13.64%) MongoDB
4 7 (10.61%) SQL Server Reporting Services
5 6 (9.09%) Relational Database
5 6 (9.09%) SQL Server Integration Services
6 5 (7.58%) SQL Server Analysis Services
7 4 (6.06%) Microsoft Analysis Services
7 4 (6.06%) Oracle Database
7 4 (6.06%) PostgreSQL
7 4 (6.06%) SQL Server 2008
7 4 (6.06%) SQL Server 2012
7 4 (6.06%) SQL Server 2014
7 4 (6.06%) SQL Server 2016
8 3 (4.55%) NoSQL
9 2 (3.03%) Power BI
9 2 (3.03%) RDBMS
10 1 (1.52%) BusinessObjects
10 1 (1.52%) Data Mart
10 1 (1.52%) Data Warehouse
Development Applications
1 12 (18.18%) Git (software)
2 8 (12.12%) Jenkins
3 6 (9.09%) Maven
4 5 (7.58%) Atlassian Bamboo
5 4 (6.06%) JIRA
5 4 (6.06%) Subversion
6 3 (4.55%) Bitbucket
6 3 (4.55%) Eclipse
6 3 (4.55%) FishEye
6 3 (4.55%) JUnit
7 2 (3.03%) Bitbucket Server
7 2 (3.03%) Grunt
7 2 (3.03%) gulp
7 2 (3.03%) Hudson
7 2 (3.03%) Jasmine
7 2 (3.03%) jMock
7 2 (3.03%) Mocha
7 2 (3.03%) SonarQube
7 2 (3.03%) TeamCity
7 2 (3.03%) Toad
General
1 20 (30.30%) Finance
2 17 (25.76%) Banking
3 13 (19.70%) Investment Banking
4 5 (7.58%) French Language
5 3 (4.55%) Advertising
5 3 (4.55%) Front Office
6 2 (3.03%) Law
6 2 (3.03%) Police
6 2 (3.03%) Public Sector
7 1 (1.52%) Back Office
Job Titles
1 10 (15.15%) Developer
2 8 (12.12%) Analyst
2 8 (12.12%) DBA
3 7 (10.61%) DevOps Engineer
4 6 (9.09%) Oracle DBA
4 6 (9.09%) Sybase DBA
5 5 (7.58%) Administrator
5 5 (7.58%) Linux Engineer
6 4 (6.06%) Security Engineer
6 4 (6.06%) SQL DBA
7 3 (4.55%) Information Analyst
7 3 (4.55%) Information Security Analyst
7 3 (4.55%) Java Developer
7 3 (4.55%) Security Analyst
7 3 (4.55%) Systems Engineer
8 2 (3.03%) Architect
8 2 (3.03%) Consultant
8 2 (3.03%) Infrastructure Engineer
8 2 (3.03%) Support Analyst
8 2 (3.03%) Unix Engineer
Libraries, Frameworks & Software Standards
1 11 (16.67%) Web Services
2 7 (10.61%) Java EE
2 7 (10.61%) XML
3 6 (9.09%) Middleware
4 4 (6.06%) .NET
4 4 (6.06%) CSS
4 4 (6.06%) HTML
4 4 (6.06%) J2EE
4 4 (6.06%) Node.js
4 4 (6.06%) REST
4 4 (6.06%) Struts
5 3 (4.55%) JAX-RS
5 3 (4.55%) JDBC
5 3 (4.55%) LDAP
5 3 (4.55%) ODBC
5 3 (4.55%) XSLT
6 2 (3.03%) ASP.NET
6 2 (3.03%) JMS
6 2 (3.03%) MSMQ
6 2 (3.03%) SOAP
Miscellaneous
1 11 (16.67%) Analytical Skills
2 10 (15.15%) Management Information System
3 5 (7.58%) Fixed Income
4 4 (6.06%) Private Cloud
5 3 (4.55%) Cyber Kill Chain
5 3 (4.55%) Data Centre
5 3 (4.55%) Enterprise Software
5 3 (4.55%) Linux Command Line
5 3 (4.55%) Replication
6 2 (3.03%) Blog
6 2 (3.03%) Cloud Native
6 2 (3.03%) Clustering
6 2 (3.03%) Robotics
6 2 (3.03%) SWIFT
6 2 (3.03%) User Experience
6 2 (3.03%) Virtual Team
7 1 (1.52%) Enterprise Storage
7 1 (1.52%) Public Cloud
7 1 (1.52%) Self-Motivation
7 1 (1.52%) Social Media
Operating Systems
1 43 (65.15%) Linux
2 29 (43.94%) Windows
3 11 (16.67%) Windows Server
4 8 (12.12%) Red Hat Enterprise Linux
5 4 (6.06%) Solaris
6 3 (4.55%) Mac OS X
6 3 (4.55%) Windows XP
7 2 (3.03%) AIX
8 1 (1.52%) Mac OS
Processes & Methodologies
1 16 (24.24%) DevOps
2 11 (16.67%) SIEM
3 10 (15.15%) Agile Software Development
3 10 (15.15%) Migration
4 9 (13.64%) Continuous Integration
4 9 (13.64%) Information Security
4 9 (13.64%) TDD
5 8 (12.12%) Configuration Management
5 8 (12.12%) Problem-Solving
5 8 (12.12%) Test Automation
6 7 (10.61%) High Availability
6 7 (10.61%) Threat Modelling
6 7 (10.61%) User Acceptance Testing
7 6 (9.09%) Change Management
7 6 (9.09%) Cybersecurity
7 6 (9.09%) Open Source
8 5 (7.58%) Computer Science
8 5 (7.58%) Disaster Recovery
8 5 (7.58%) Stakeholder Management
9 4 (6.06%) Risk Assessment
Programming Languages
1 21 (31.82%) Java
2 19 (28.79%) Python
2 19 (28.79%) SQL
3 15 (22.73%) Perl
4 8 (12.12%) C
5 7 (10.61%) JavaScript
5 7 (10.61%) Korn
5 7 (10.61%) PowerShell
6 6 (9.09%) T-SQL
7 5 (7.58%) C++
7 5 (7.58%) Ruby
8 3 (4.55%) Bash Shell
8 3 (4.55%) C#
9 2 (3.03%) PL/SQL
9 2 (3.03%) R
9 2 (3.03%) Shell Script
9 2 (3.03%) VB
9 2 (3.03%) VBScript
10 1 (1.52%) JCL
10 1 (1.52%) REXX
Qualifications
1 6 (9.09%) Security Cleared
2 5 (7.58%) Degree
2 5 (7.58%) SC Cleared
3 3 (4.55%) CISSP
3 3 (4.55%) Computer Science Degree
4 2 (3.03%) (ISC)2 CCSP
4 2 (3.03%) CCSP
4 2 (3.03%) Cisco Certification
4 2 (3.03%) CISM
4 2 (3.03%) CREST Certified
4 2 (3.03%) GCFA
4 2 (3.03%) GCIA
4 2 (3.03%) GCIH
5 1 (1.52%) BPSS Clearance
5 1 (1.52%) DBS Check
5 1 (1.52%) ITIL Foundation Certificate
5 1 (1.52%) Numerate Degree
Quality Assurance & Compliance
1 3 (4.55%) NIST
1 3 (4.55%) QA
2 2 (3.03%) COBIT
2 2 (3.03%) WCAG
3 1 (1.52%) Disclosure Scotland
3 1 (1.52%) ISO 20022
3 1 (1.52%) SLA
System Software
1 13 (19.70%) Active Directory
2 8 (12.12%) Docker
2 8 (12.12%) VMware Infrastructure
3 2 (3.03%) Veritas Cluster Server
4 1 (1.52%) Squid
4 1 (1.52%) Time Sharing Option
4 1 (1.52%) Tivoli Workload Scheduler
4 1 (1.52%) VMware NSX
Systems Management
1 12 (18.18%) Kubernetes
2 7 (10.61%) Puppet
3 6 (9.09%) Opscode Chef
4 5 (7.58%) Ansible
4 5 (7.58%) Nagios
5 4 (6.06%) Salt
5 4 (6.06%) Terraform
6 3 (4.55%) Norton AntiVirus
7 2 (3.03%) CSIRT
7 2 (3.03%) Kibana
7 2 (3.03%) Pacemaker
7 2 (3.03%) SCOM
8 1 (1.52%) Grafana
8 1 (1.52%) logstash
8 1 (1.52%) Oracle Enterprise Manager
8 1 (1.52%) Red Hat Satellite
8 1 (1.52%) Single Sign-On
8 1 (1.52%) Tivoli
8 1 (1.52%) Tivoli Storage Manager
Vendors
1 23 (34.85%) Oracle
2 13 (19.70%) Red Hat
3 11 (16.67%) Sybase
3 11 (16.67%) VMware
4 7 (10.61%) Microsoft
5 6 (9.09%) Cisco
6 5 (7.58%) Atlassian
6 5 (7.58%) CyberArk
6 5 (7.58%) IBM
6 5 (7.58%) Qualys
7 4 (6.06%) ArcSight
7 4 (6.06%) McAfee
7 4 (6.06%) SaltStack
8 3 (4.55%) EMC
8 3 (4.55%) HP
8 3 (4.55%) Murex
8 3 (4.55%) Remedy
8 3 (4.55%) Symantec
8 3 (4.55%) Veritas
9 2 (3.03%) Citrix