Period
to 16 December 2018

The following table provides summary statistics for permanent job vacancies advertised in Central London with a requirement for Unix skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Unix over the 6 months to 16 December 2018 with a comparison to the same period in the previous 2 years.

Unix
London > Central London
6 months to
16 Dec 2018
Same period 2017 Same period 2016
Rank 96 64 45
Rank change year-on-year -32 -19 -22
Permanent jobs citing Unix 450 616 747
As % of all permanent IT jobs advertised in Central London 3.38% 4.30% 5.42%
As % of the Operating Systems category 14.30% 18.30% 21.22%
Number of salaries quoted 403 544 648
Central London median annual salary £70,000 £67,500 £62,500
Median salary % change year-on-year +3.70% +8.00% +4.17%
10th Percentile £47,500 £40,500 £38,640
90th Percentile £115,000 £91,750 £110,375
London median annual salary £66,000 £65,000 £60,000
% change year-on-year +1.54% +8.33% -

Unix is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Central London with a requirement for operating system skills.

All Operating Systems
Central London
Permanent vacancies with a requirement for operating system skills 3,146 3,367 3,521
As % of all permanent IT jobs advertised in Central London 23.60% 23.52% 25.57%
Number of salaries quoted 2,773 3,013 3,161
Central London median annual salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% - +4.76%
10th Percentile £28,500 £31,000 £30,000
90th Percentile £92,500 £86,250 £90,000
London median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - +4.76%

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
Salary Trend in Central London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Unix in Central London.

Salary trend for Unix in Central London

Unix
Salary Histogram in Central London

The salary distribution of IT jobs citing Unix in Central London over the 6 months to 16 December 2018.

Salary histogram for Unix in Central London

Unix
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the Central London region over the 6 months to 16 December 2018. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -40 362 £70,000 +3.70% 94
West End of London -10 12 £80,000 -5.88%
City of Westminster -3 8 £82,500 +32.00% 1
Lambeth +3 4 - -
Kensington and Chelsea -5 4 £52,500 -0.94%
Southwark +64 1 £40,000 -20.00%
Camden - 1 - -
Unix
London

For the 6 months to 16 December 2018, IT 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 permanent job ads across the Central London region with a requirement for Unix.

1 269 (59.78%) Linux
2 263 (58.44%) Finance
3 182 (40.44%) Python
4 146 (32.44%) Java
5 141 (31.33%) SQL
6 120 (26.67%) Windows
7 102 (22.67%) Oracle
8 93 (20.67%) Banking
9 71 (15.78%) Degree
10 70 (15.56%) Shell Script
11 69 (15.33%) Agile Software Development
12 63 (14.00%) Perl
13 62 (13.78%) DevOps
14 60 (13.33%) C++
15 59 (13.11%) Bash Shell
16 55 (12.22%) Project Management
17 52 (11.56%) Front Office
17 52 (11.56%) Solaris
17 52 (11.56%) Greenfield Project
18 51 (11.33%) Firewall
18 51 (11.33%) Derivative
19 49 (10.89%) Multithreading
20 48 (10.67%) Computer Science
21 47 (10.44%) SQL Server
21 47 (10.44%) OO
22 45 (10.00%) Red Hat
22 45 (10.00%) Open Source
22 45 (10.00%) Puppet
23 44 (9.78%) FIX Protocol
23 44 (9.78%) Amazon AWS

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 (3.11%) Tomcat
2 13 (2.89%) Apache
3 10 (2.22%) Apache Spark
4 9 (2.00%) CMS
5 8 (1.78%) nginx
6 5 (1.11%) JBoss
6 5 (1.11%) OpenStack
6 5 (1.11%) SAS
7 4 (0.89%) Confluence
8 3 (0.67%) WordPress
9 2 (0.44%) Ethereum
9 2 (0.44%) GlassFish
9 2 (0.44%) IIS
9 2 (0.44%) MS Exchange
9 2 (0.44%) Oracle Coherence
9 2 (0.44%) Oracle Workflow
10 1 (0.22%) BizTalk Server
10 1 (0.22%) Exchange Server 2013
10 1 (0.22%) Mule
Applications
1 4 (0.89%) Microsoft Office
1 4 (0.89%) MS Visio
1 4 (0.89%) Spreadsheet
2 2 (0.44%) Microsoft Excel
Business Applications
1 6 (1.33%) Salerio
2 1 (0.22%) BusinessWorks
2 1 (0.22%) Dynamics CRM
2 1 (0.22%) Infor M3
2 1 (0.22%) Kondor
Cloud Services
1 44 (9.78%) Amazon AWS
2 25 (5.56%) Microsoft Azure
3 8 (1.78%) SaaS
4 7 (1.56%) Cloud Computing
4 7 (1.56%) IaaS
5 6 (1.33%) GitHub
5 6 (1.33%) Office 365
6 5 (1.11%) PaaS
7 4 (0.89%) Google Cloud Platform
7 4 (0.89%) Serverless
7 4 (0.89%) Virtual Private Cloud
8 3 (0.67%) AWS CloudFormation
8 3 (0.67%) CloudFront
9 2 (0.44%) Datadog
9 2 (0.44%) IBM Cloud
9 2 (0.44%) OpenShift
9 2 (0.44%) Slack
9 2 (0.44%) SoftLayer
10 1 (0.22%) BlazeMeter
10 1 (0.22%) Sauce Labs
Communications & Networking
1 51 (11.33%) Firewall
2 34 (7.56%) TCP/IP
3 21 (4.67%) Cisco ASA
3 21 (4.67%) DNS
4 19 (4.22%) Internet
5 18 (4.00%) F5 BIG-IP GTM
5 18 (4.00%) F5 BIG-IP LTM
5 18 (4.00%) Network Security
6 17 (3.78%) SNMP
7 15 (3.33%) WAN
8 14 (3.11%) LAN
9 12 (2.67%) SAN
10 11 (2.44%) Intrusion Detection
11 9 (2.00%) DHCP
11 9 (2.00%) SSH
12 8 (1.78%) BGP
12 8 (1.78%) HTTP
13 7 (1.56%) FTP
13 7 (1.56%) SMTP
14 5 (1.11%) VPN
Database & Business Intelligence
1 47 (10.44%) SQL Server
2 25 (5.56%) Data Warehouse
3 23 (5.11%) Relational Database
4 22 (4.89%) MySQL
4 22 (4.89%) NoSQL
5 20 (4.44%) Big Data
6 15 (3.33%) PostgreSQL
6 15 (3.33%) SQL Server Integration Services
7 13 (2.89%) Oracle Database
8 10 (2.22%) BusinessObjects
8 10 (2.22%) SQL Server Reporting Services
9 9 (2.00%) KDB
10 8 (1.78%) Hadoop
11 7 (1.56%) Apache Hive
11 7 (1.56%) MongoDB
11 7 (1.56%) Oracle Reports
11 7 (1.56%) QlikView
11 7 (1.56%) RDBMS
12 6 (1.33%) SAP HANA
12 6 (1.33%) Spark SQL
Development Applications
1 37 (8.22%) Git (software)
2 29 (6.44%) Jenkins
3 22 (4.89%) JIRA
4 17 (3.78%) Hudson
5 16 (3.56%) Maven
6 12 (2.67%) Gradle
7 11 (2.44%) Subversion
8 10 (2.22%) Cucumber
9 6 (1.33%) Atlassian Bamboo
9 6 (1.33%) GitLab
10 5 (1.11%) Metasploit
11 4 (0.89%) Oracle APEX
11 4 (0.89%) ProC
11 4 (0.89%) Selenium
11 4 (0.89%) SQL Server Management Studio (SSMS)
12 3 (0.67%) ClearCase
12 3 (0.67%) PEAR
13 2 (0.44%) Bitbucket
13 2 (0.44%) JIRA Agile
13 2 (0.44%) Phabricator
General
1 263 (58.44%) Finance
2 93 (20.67%) Banking
3 52 (11.56%) Front Office
4 30 (6.67%) Advertising
5 21 (4.67%) Financial Institution
6 20 (4.44%) Back Office
7 11 (2.44%) Investment Banking
8 7 (1.56%) Law
8 7 (1.56%) Retail
9 6 (1.33%) Telecoms
10 5 (1.11%) Games
10 5 (1.11%) Marketing
11 3 (0.67%) Publishing
12 2 (0.44%) Electronics
12 2 (0.44%) Prime Brokerage
12 2 (0.44%) Spanish Language
12 2 (0.44%) Synthetic Prime Brokerage
Job Titles
1 133 (29.56%) Developer
2 76 (16.89%) Analyst
3 65 (14.44%) Java Developer
4 46 (10.22%) Applications Support
5 44 (9.78%) Support Analyst
6 43 (9.56%) Administrator
7 37 (8.22%) Linux Administrator
8 36 (8.00%) Linux Systems Administrator
9 34 (7.56%) Applications Support Analyst
10 26 (5.78%) Senior Developer
10 26 (5.78%) Systems Administrator
11 24 (5.33%) C++ Developer
12 23 (5.11%) Network Engineer
13 22 (4.89%) Linux Engineer
13 22 (4.89%) Support Engineer
14 16 (3.56%) Front Office Developer
14 16 (3.56%) Linux Systems Engineer
15 14 (3.11%) Python Developer
16 12 (2.67%) Senior Analyst
16 12 (2.67%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 44 (9.78%) FIX Protocol
2 28 (6.22%) .NET
2 28 (6.22%) Web Services
3 24 (5.33%) XML
4 20 (4.44%) HTML
4 20 (4.44%) LDAP
4 20 (4.44%) Spring
5 19 (4.22%) REST
6 17 (3.78%) 802.1X
7 15 (3.33%) Kafka
8 14 (3.11%) Elastic Stack
8 14 (3.11%) JSON
8 14 (3.11%) Spring Boot
9 13 (2.89%) J2EE
9 13 (2.89%) Regular Expression
10 12 (2.67%) Middleware
11 11 (2.44%) Django
12 10 (2.22%) XSLT
13 9 (2.00%) Hibernate
13 9 (2.00%) Java SE
Miscellaneous
1 52 (11.56%) Greenfield Project
2 51 (11.33%) Derivative
3 30 (6.67%) Equities
4 29 (6.44%) Foreign Exchange (FX)
5 28 (6.22%) Fintech
5 28 (6.22%) Hedge funds
5 28 (6.22%) Management Information System
6 24 (5.33%) Algorithms
6 24 (5.33%) Analytical Skills
7 16 (3.56%) Data Structures
7 16 (3.56%) Fixed Income
8 15 (3.33%) Enterprise Software
8 15 (3.33%) SWIFT
9 12 (2.67%) Data Centre
10 10 (2.22%) Grid Computing
11 9 (2.00%) Equity Derivative
11 9 (2.00%) Linux Command Line
12 8 (1.78%) Exotic Derivative
12 8 (1.78%) iPad
13 7 (1.56%) Public Cloud
Operating Systems
1 269 (59.78%) Linux
2 120 (26.67%) Windows
3 52 (11.56%) Solaris
4 30 (6.67%) Red Hat Enterprise Linux
5 21 (4.67%) AIX
6 18 (4.00%) HPUX
6 18 (4.00%) Windows Server
7 14 (3.11%) CentOS
8 12 (2.67%) Mac OS X
9 7 (1.56%) Android
9 7 (1.56%) Apple iOS
9 7 (1.56%) Windows Server 2008
9 7 (1.56%) Windows Server 2012
10 5 (1.11%) Debian
10 5 (1.11%) Windows Server 2003
10 5 (1.11%) Windows XP
11 4 (0.89%) Ubuntu
12 2 (0.44%) Fedora
12 2 (0.44%) Kali Linux
12 2 (0.44%) zOS
Processes & Methodologies
1 69 (15.33%) Agile Software Development
2 62 (13.78%) DevOps
3 55 (12.22%) Project Management
4 49 (10.89%) Multithreading
5 48 (10.67%) Computer Science
6 47 (10.44%) OO
7 45 (10.00%) Open Source
8 42 (9.33%) Problem-Solving
9 41 (9.11%) Low Latency
10 39 (8.67%) Mathematics
11 35 (7.78%) Continuous Improvement
12 33 (7.33%) Migration
13 31 (6.89%) Configuration Management
14 28 (6.22%) Information Security
15 27 (6.00%) Cybersecurity
15 27 (6.00%) Multithreaded Programming
15 27 (6.00%) SDLC
16 26 (5.78%) Continuous Integration
17 25 (5.56%) ITIL
18 24 (5.33%) Analytics
Programming Languages
1 182 (40.44%) Python
2 146 (32.44%) Java
3 141 (31.33%) SQL
4 70 (15.56%) Shell Script
5 63 (14.00%) Perl
6 60 (13.33%) C++
7 59 (13.11%) Bash Shell
8 40 (8.89%) PowerShell
9 37 (8.22%) C#
10 29 (6.44%) JavaScript
11 25 (5.56%) Scala
12 22 (4.89%) Ruby
13 19 (4.22%) PL/SQL
14 14 (3.11%) VB
15 11 (2.44%) C
15 11 (2.44%) Java 8
16 10 (2.22%) Korn
17 7 (1.56%) AWK
17 7 (1.56%) PHP
17 7 (1.56%) R
Qualifications
1 71 (15.78%) Degree
2 31 (6.89%) Computer Science Degree
3 25 (5.56%) Cisco Certification
4 23 (5.11%) CCNP
5 18 (4.00%) CCIE
6 16 (3.56%) Numerate Degree
7 14 (3.11%) CISSP
8 8 (1.78%) CCNA
8 8 (1.78%) CISM
8 8 (1.78%) GIAC
9 7 (1.56%) Microsoft Certification
9 7 (1.56%) RHCE
9 7 (1.56%) VMware Certified Professional (VCP)
10 6 (1.33%) GCIA
10 6 (1.33%) GPEN
10 6 (1.33%) MCSA
10 6 (1.33%) SSCP
10 6 (1.33%) VERITAS Certified Professional (VCP)
11 4 (0.89%) ITIL Foundation Certificate
11 4 (0.89%) Security Cleared
Quality Assurance & Compliance
1 27 (6.00%) QA
2 11 (2.44%) Data Quality
3 8 (1.78%) ISO 20022
3 8 (1.78%) SEPA
4 4 (0.89%) Solvency II
5 3 (0.67%) COBIT
5 3 (0.67%) SLA
6 2 (0.44%) GDPR
6 2 (0.44%) Sarbanes-Oxley
7 1 (0.22%) ISO/IEC 27001
7 1 (0.22%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 37 (8.22%) Active Directory
2 21 (4.67%) Docker
3 18 (4.00%) VMware Infrastructure
4 9 (2.00%) Hyper-V
5 8 (1.78%) Veritas Cluster Server
6 7 (1.56%) LXC
7 5 (1.11%) KVM
8 4 (0.89%) HDFS
9 3 (0.67%) VirtualBox
9 3 (0.67%) XenServer
9 3 (0.67%) zsh
10 2 (0.44%) Apache Flume
10 2 (0.44%) GlusterFS
10 2 (0.44%) Virtual Machines
10 2 (0.44%) Virtual Servers
10 2 (0.44%) VMware ESXi
10 2 (0.44%) XenApp
11 1 (0.22%) Cronacle
11 1 (0.22%) Virtual Desktop
11 1 (0.22%) Xen
Systems Management
1 45 (10.00%) Puppet
2 25 (5.56%) Ansible
3 17 (3.78%) Opscode Chef
4 16 (3.56%) Terraform
5 15 (3.33%) Nagios
6 11 (2.44%) Kubernetes
7 8 (1.78%) Control-M
7 8 (1.78%) SCOM
8 6 (1.33%) logstash
8 6 (1.33%) Oozie
9 5 (1.11%) FortiGate
9 5 (1.11%) Nessus
9 5 (1.11%) NetBackup
9 5 (1.11%) Network Intrusion Detection System
9 5 (1.11%) OpenVAS
9 5 (1.11%) QRadar
9 5 (1.11%) SCCM
10 3 (0.67%) CFEngine
10 3 (0.67%) EMC NetWorker
10 3 (0.67%) ZABBIX
Vendors
1 102 (22.67%) Oracle
2 45 (10.00%) Red Hat
3 39 (8.67%) Microsoft
4 36 (8.00%) Sybase
5 34 (7.56%) VMware
6 33 (7.33%) Cisco
7 26 (5.78%) Palo Alto
8 21 (4.67%) CheckPoint
9 18 (4.00%) F5
10 16 (3.56%) NetApp
11 14 (3.11%) Veritas
12 12 (2.67%) Citrix
12 12 (2.67%) IBM
12 12 (2.67%) Splunk
13 10 (2.22%) Sun
14 9 (2.00%) SolarWinds
15 7 (1.56%) Google
15 7 (1.56%) Tableau
16 6 (1.33%) Perforce
16 6 (1.33%) ServiceNow