The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Unix skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Unix over the 3 months to 26 April 2017 with a comparison to the same period in the previous 2 years.

Unix
London / City of London
3 months to
26 Apr 2017
Same period 2016 Same period 2015
Rank 38 36 25
Rank change year-on-year -2 -11  
Permanent jobs citing Unix 298 420 730
As % of all permanent IT jobs advertised in the City of London 5.64% 5.90% 6.91%
As % of the Operating Systems category 21.23% 23.26% 26.33%
Number of salaries quoted 275 377 591
Median salary £62,500 £65,000 £57,500
Median salary % change year-on-year -3.84% +13.04%  
90% offered a salary of more than £37,200 £42,500 £40,000
10% offered a salary of more than £90,000 £87,000 £82,500
UK excluding London median salary £45,000 £43,000 £42,500
% change year-on-year +4.65% +1.17%  

Unix is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for operating system skills.

Operating System Skills
City of London
Permanent job vacancies with a requirement for operating system skills 1404 1806 2772
As % of all permanent IT job vacancies advertised in the City of London 26.56% 25.37% 26.26%
Number of salaries quoted 1266 1645 2406
Median salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00%  
90% offered a salary of more than £30,000 £30,000 £30,000
10% offered a salary of more than £85,000 £70,000 £77,500
UK excluding London median salary £37,500 £37,500 £37,500

Unix
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Unix as a proportion of all permanent or contract IT jobs with a match in the Operating Systems category.

Job vacancy trend for Unix in the City of London

Unix
Salary Trend in the City of London

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

Salary trend for Unix in the City of London

Unix
Salary Histogram in the City of London

The salary distribution of IT jobs citing Unix in the City of London over the 3 months to 26 April 2017.

Salary histogram for Unix in the City of London

For the 6 months to 26 April 2017, IT jobs citing Unix also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for Unix.

1 367 (63.06%) Linux
2 278 (47.77%) Finance
3 210 (36.08%) SQL
4 159 (27.32%) Java
5 156 (26.80%) Python
6 151 (25.95%) Banking
7 141 (24.23%) Windows
8 126 (21.65%) Degree
9 122 (20.96%) Perl
10 101 (17.35%) Oracle
11 95 (16.32%) Red Hat Enterprise Linux
12 87 (14.95%) Front Office
13 83 (14.26%) Red Hat
14 82 (14.09%) Shell Script
14 82 (14.09%) Puppet
15 81 (13.92%) C++
16 66 (11.34%) Investment Banking
17 65 (11.17%) Equities
18 58 (9.97%) FIX Protocol
18 58 (9.97%) Solaris
19 57 (9.79%) Computer Science
19 57 (9.79%) Agile Software Development
20 56 (9.62%) Multithreading
21 55 (9.45%) DevOps
22 54 (9.28%) Configuration Management
23 53 (9.11%) Ansible
23 53 (9.11%) Fintech
24 50 (8.59%) VMware
24 50 (8.59%) JavaScript
24 50 (8.59%) KDB

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 39 (6.70%) Apache
2 37 (6.36%) Tomcat
3 28 (4.81%) JBoss
4 24 (4.12%) IIS
5 20 (3.44%) WebLogic
6 16 (2.75%) OpenStack
7 15 (2.58%) WebSphere
8 12 (2.06%) Apache Spark
9 10 (1.72%) Alfresco
10 9 (1.55%) nginx
11 7 (1.20%) IPython
12 6 (1.03%) Elasticsearch
12 6 (1.03%) MS Exchange
13 5 (0.86%) Confluence
14 4 (0.69%) Apache Pig
14 4 (0.69%) CMS
14 4 (0.69%) Drupal
14 4 (0.69%) Exchange Server 2010
14 4 (0.69%) SharePoint
15 3 (0.52%) BizTalk Server
Applications
1 5 (0.86%) Microsoft Excel
2 3 (0.52%) Microsoft PowerPoint
3 2 (0.34%) Microsoft Office
3 2 (0.34%) SPSS
Business Applications
1 5 (0.86%) Temenos T24
2 4 (0.69%) CSG Singleview
2 4 (0.69%) Sage X3
3 3 (0.52%) Dynamics CRM
4 2 (0.34%) Adobe Campaign
4 2 (0.34%) Bloomberg TOMS
4 2 (0.34%) PeopleSoft CRM
4 2 (0.34%) Unica
5 1 (0.17%) BusinessWorks
5 1 (0.17%) ION MarketView
5 1 (0.17%) Magento
5 1 (0.17%) TIBCO BusinessEvents
Cloud Services
1 22 (3.78%) Amazon AWS
2 10 (1.72%) G Suite
2 10 (1.72%) Microsoft Azure
3 7 (1.20%) GitHub
4 6 (1.03%) Google Cloud Platform
5 5 (0.86%) Amazon EC2
6 4 (0.69%) Amazon S3
6 4 (0.69%) Google Compute Engine
7 3 (0.52%) PaaS
8 2 (0.34%) Amazon EMR
8 2 (0.34%) Amazon SQS
8 2 (0.34%) AWS CloudFormation
8 2 (0.34%) AWS Lambda
8 2 (0.34%) Cloud Computing
8 2 (0.34%) CloudFront
8 2 (0.34%) Office 365
8 2 (0.34%) Route 53
8 2 (0.34%) SaaS
9 1 (0.17%) Catchpoint
9 1 (0.17%) IaaS
Communications & Networking
1 38 (6.53%) TCP/IP
2 35 (6.01%) Firewall
3 24 (4.12%) NAS
4 23 (3.95%) Intrusion Detection
4 23 (3.95%) SAN
5 21 (3.61%) DNS
6 20 (3.44%) SSL
7 19 (3.26%) Internet
7 19 (3.26%) LDAP
8 15 (2.58%) Network Security
9 12 (2.06%) NetScaler
10 11 (1.89%) Cisco ASA
10 11 (1.89%) HTTP
11 10 (1.72%) VPN
12 9 (1.55%) DHCP
12 9 (1.55%) WAN
13 8 (1.37%) FTP
13 8 (1.37%) LAN
14 6 (1.03%) Kerberos
14 6 (1.03%) Wireshark
Database & Business Intelligence
1 50 (8.59%) KDB
2 42 (7.22%) SQL Server
3 40 (6.87%) MySQL
4 35 (6.01%) Relational Database
5 34 (5.84%) Kdb+
6 32 (5.50%) Oracle Database
7 18 (3.09%) Oracle Database 11g
8 17 (2.92%) Hadoop
9 16 (2.75%) Big Data
10 11 (1.89%) Data Warehouse
10 11 (1.89%) PostgreSQL
11 9 (1.55%) NoSQL
12 8 (1.37%) GIS
12 8 (1.37%) MongoDB
13 7 (1.20%) Apache Cassandra
13 7 (1.20%) DB2
13 7 (1.20%) Oracle Reports
14 6 (1.03%) Apache Hive
14 6 (1.03%) BusinessObjects
14 6 (1.03%) RDBMS
Development Applications
1 40 (6.87%) Jenkins
2 29 (4.98%) Subversion
3 25 (4.30%) Git (software)
4 23 (3.95%) JIRA
4 23 (3.95%) Maven
5 14 (2.41%) Gradle
6 12 (2.06%) JUnit
7 10 (1.72%) Vagrant
8 8 (1.37%) Ant
8 8 (1.37%) Selenium
9 7 (1.20%) IntelliJ
10 6 (1.03%) Grunt
10 6 (1.03%) Jasmine
10 6 (1.03%) Mockito
10 6 (1.03%) webpack
11 5 (0.86%) Cucumber
11 5 (0.86%) Protractor
12 4 (0.69%) TeamCity
13 3 (0.52%) Metasploit
13 3 (0.52%) Oracle APEX
General
1 278 (47.77%) Finance
2 151 (25.95%) Banking
3 87 (14.95%) Front Office
4 66 (11.34%) Investment Banking
5 25 (4.30%) Legal
6 23 (3.95%) Back Office
7 15 (2.58%) French Language
8 11 (1.89%) Telecoms
9 10 (1.72%) Retail
10 6 (1.03%) Advertising
10 6 (1.03%) Marketing
11 5 (0.86%) Billing
11 5 (0.86%) Financial Institution
12 4 (0.69%) Law
13 3 (0.52%) Electronics
13 3 (0.52%) Multimedia
14 2 (0.34%) German Language
14 2 (0.34%) Spanish Language
15 1 (0.17%) Manufacturing
15 1 (0.17%) Polish Language
Job Titles
1 163 (28.01%) Developer
2 83 (14.26%) Analyst
3 56 (9.62%) Applications Support
4 51 (8.76%) Java Developer
5 46 (7.90%) Support Analyst
6 43 (7.39%) Administrator
7 39 (6.70%) C++ Developer
7 39 (6.70%) KDB Developer
8 36 (6.19%) Unix Engineer
9 28 (4.81%) Applications Support Analyst
10 25 (4.30%) Support Engineer
10 25 (4.30%) Unix Administrator
11 24 (4.12%) Linux Administrator
12 23 (3.95%) DevOps Engineer
12 23 (3.95%) Linux Engineer
13 21 (3.61%) Infrastructure Engineer
13 21 (3.61%) Junior
14 19 (3.26%) Senior Developer
15 18 (3.09%) Unix Support
16 17 (2.92%) Network Engineer
Libraries, Frameworks & Software Standards
1 58 (9.97%) FIX Protocol
2 38 (6.53%) XML
3 29 (4.98%) HTML
4 22 (3.78%) Spring
5 20 (3.44%) .NET
6 19 (3.26%) Web Services
7 16 (2.75%) CSS
7 16 (2.75%) J2EE
7 16 (2.75%) JMS
7 16 (2.75%) REST
7 16 (2.75%) SOAP
8 15 (2.58%) LAMP
9 14 (2.41%) STL
10 13 (2.23%) Boost C++ Libraries
11 12 (2.06%) HTML5
12 10 (1.72%) Java EE
12 10 (1.72%) Middleware
12 10 (1.72%) WPF
13 8 (1.37%) Elastic Stack
13 8 (1.37%) jQuery
Miscellaneous
1 65 (11.17%) Equities
2 57 (9.79%) Computer Science
3 53 (9.11%) Fintech
4 43 (7.39%) Fixed Income
5 42 (7.22%) Derivative
5 42 (7.22%) Foreign Exchange (FX)
6 34 (5.84%) Management Information System
7 31 (5.33%) Analytical Skills
8 20 (3.44%) Greenfield Project
9 18 (3.09%) Security Operations Centre
10 17 (2.92%) Clustering
10 17 (2.92%) Hedge funds
11 16 (2.75%) Data Centre
12 11 (1.89%) Algorithms
12 11 (1.89%) EMC VNX
12 11 (1.89%) Equity Derivative
13 10 (1.72%) Replication
14 8 (1.37%) Cyber Attack
15 7 (1.20%) Linux Command Line
16 6 (1.03%) Credit Derivative
Operating Systems
1 367 (63.06%) Linux
2 141 (24.23%) Windows
3 95 (16.32%) Red Hat Enterprise Linux
4 58 (9.97%) Solaris
5 30 (5.15%) Windows Server
6 18 (3.09%) CentOS
6 18 (3.09%) Ubuntu
7 14 (2.41%) SUSE
8 11 (1.89%) Debian
8 11 (1.89%) Windows Server 2008
8 11 (1.89%) Windows Server 2012
9 10 (1.72%) Mac OS X
9 10 (1.72%) NetWare
10 8 (1.37%) AIX
11 2 (0.34%) Fedora
11 2 (0.34%) HPUX
11 2 (0.34%) VMS
12 1 (0.17%) CoreOS
12 1 (0.17%) Data ONTAP
12 1 (0.17%) SUSE Linux Enterprise Server
Processes & Methodologies
1 57 (9.79%) Agile Software Development
2 56 (9.62%) Multithreading
3 55 (9.45%) DevOps
4 54 (9.28%) Configuration Management
5 49 (8.42%) ITIL
6 44 (7.56%) Low Latency
7 38 (6.53%) Disaster Recovery
8 36 (6.19%) Incident Management
9 34 (5.84%) Information Security
10 33 (5.67%) Electronic Trading
11 30 (5.15%) Analytics
12 29 (4.98%) Data Management
12 29 (4.98%) Mathematics
12 29 (4.98%) Open Source
13 26 (4.47%) Continuous Improvement
13 26 (4.47%) High Availability
13 26 (4.47%) Kalman Filter
13 26 (4.47%) Software Engineering
14 25 (4.30%) Project Management
14 25 (4.30%) Risk Management
Programming Languages
1 210 (36.08%) SQL
2 159 (27.32%) Java
3 156 (26.80%) Python
4 122 (20.96%) Perl
5 82 (14.09%) Shell Script
6 81 (13.92%) C++
7 50 (8.59%) Bash Shell
7 50 (8.59%) JavaScript
8 43 (7.39%) C
9 28 (4.81%) Ruby
10 27 (4.64%) PHP
11 22 (3.78%) C#
12 21 (3.61%) PowerShell
13 14 (2.41%) VB
14 13 (2.23%) PL/SQL
14 13 (2.23%) Scala
15 7 (1.20%) R
16 6 (1.03%) TypeScript
16 6 (1.03%) VB.NET
17 4 (0.69%) T-SQL
Qualifications
1 126 (21.65%) Degree
2 21 (3.61%) CISSP
3 20 (3.44%) Cisco Certification
4 18 (3.09%) CISM
5 17 (2.92%) RHCE
5 17 (2.92%) Security Cleared
6 13 (2.23%) SANS
7 12 (2.06%) CEH
8 11 (1.89%) GCIH
9 10 (1.72%) GCIA
9 10 (1.72%) GSEC
10 9 (1.55%) CCNP
10 9 (1.55%) SC Cleared
11 8 (1.37%) CCNA
11 8 (1.37%) GCED
11 8 (1.37%) PhD
11 8 (1.37%) RHCA
12 7 (1.20%) Microsoft Certification
13 6 (1.03%) CCSP
13 6 (1.03%) Sun Certification
Quality Assurance & Compliance
1 34 (5.84%) QA
2 9 (1.55%) MiFID
2 9 (1.55%) SLA
3 8 (1.37%) Data Quality
4 4 (0.69%) PMO
5 3 (0.52%) Dodd-Frank
6 1 (0.17%) EMIR
6 1 (0.17%) GCP
6 1 (0.17%) ISAE 3402
System Software
1 40 (6.87%) Active Directory
2 25 (4.30%) VMware Infrastructure
3 23 (3.95%) Docker
4 18 (3.09%) vSphere
5 14 (2.41%) Veritas Cluster Server
6 13 (2.23%) Virtual Servers
6 13 (2.23%) XenApp
7 11 (1.89%) NFS
8 10 (1.72%) Microsoft Virtual Server
9 9 (1.55%) Virtual Machines
10 5 (0.86%) HDFS
11 4 (0.69%) Samba
12 3 (0.52%) Cronacle
12 3 (0.52%) Hyper-V
12 3 (0.52%) KVM
12 3 (0.52%) LXC
12 3 (0.52%) vCloud
12 3 (0.52%) VirtualBox
12 3 (0.52%) Xen
12 3 (0.52%) XenServer
Systems Management
1 82 (14.09%) Puppet
2 53 (9.11%) Ansible
3 28 (4.81%) Opscode Chef
4 22 (3.78%) Nagios
5 14 (2.41%) Network Intrusion Detection System
6 13 (2.23%) ITRS Geneos
7 10 (1.72%) EMC VPLEX
7 10 (1.72%) NetIQ Identity Manager
7 10 (1.72%) Simpana
8 8 (1.37%) BMC PATROL
8 8 (1.37%) SCCM
9 7 (1.20%) Red Hat Satellite
10 6 (1.03%) Terraform
11 4 (0.69%) Ambari
11 4 (0.69%) CFEngine
11 4 (0.69%) HP Quality Center
11 4 (0.69%) Kubernetes
11 4 (0.69%) Mesos
11 4 (0.69%) Oozie
11 4 (0.69%) Zenoss
Vendors
1 101 (17.35%) Oracle
2 83 (14.26%) Red Hat
3 50 (8.59%) VMware
4 34 (5.84%) Microsoft
5 29 (4.98%) Veritas
6 25 (4.30%) Citrix
6 25 (4.30%) NetApp
7 24 (4.12%) EMC
8 17 (2.92%) Cisco
8 17 (2.92%) Sybase
9 16 (2.75%) IBM
10 15 (2.58%) Google
10 15 (2.58%) Splunk
11 14 (2.41%) Sun
11 14 (2.41%) TIBCO
12 12 (2.06%) BMC
12 12 (2.06%) Brocade
13 11 (1.89%) HP
14 10 (1.72%) CommVault
14 10 (1.72%) Novell
City, London
Client Server
Salary: £80k to £100k + bonus + benefits
Posted: 4 hours ago
City, London
Client Server
Salary: £70k to £85k + bonus + benefits
Posted: 22 hours ago
City, London
Michael Bailey Associates
Salary: Market Salary
Posted: 18 hours ago
City, London
Robert Half
Salary: £27000 - £40000 per annum
Posted: 1 hour ago
City, London
Harrington Starr
Salary: £55000 - £65000 per annum + plus package and bonus
Posted: 22 hours ago
City, London
Client Server
Salary: £35k to £50k + benefits
Posted: 2 days ago
City, London
Harrington Starr
Salary: £80000 - £100000 per annum + Bonus and Benefits and Training
Posted: 2 days ago
City, London
Harrington Starr
Salary: £60000 - £80000 per annum
Posted: Yesterday
City, London
Energon People
Salary: £40000 - £55000 per annum + Amazing Package
Posted: 18 hours ago
City, London
Bond Mckenzie
Salary: From £60,000 to £80,000 per annum plus guaranteed min. 20%+ bonus
Posted: 23 hours ago
City, London
Codersource Ltd
Salary: From £45,000 to £60,000 per annum
Posted: 21 hours ago
City, London
ComputAppoint
Salary: £65000 - £70000 per annum
Posted: 19 hours ago
City, London
TEKsystems
Salary: £45000 - £75000 per annum + Bonus + Benefits
Posted: 4 days ago
City, London
Harrington Starr
Salary: £40000 - £60000 per annum + Bonus + Benefits + Training
Posted: 4 days ago
City, London
Senitor Associates
Salary: £45000 - £50000 per annum
Posted: 5 days ago
City, London
Client Server
Salary: £75k to £90k + bonus + benefits
Posted: 2 days ago
City, London
ANSON MCCADE
Salary: Circa £40,000 - £50,000
Posted: Yesterday
City, London
Harrington Starr
Salary: £45000 - £65000 per annum + Bonus + Benefits + Training
Posted: 4 days ago
City, London
Huxley Associates
Salary: £40000 - £50000 per annum + competitive
Posted: 5 days ago
City, London
Miller Maxwell Ltd
Salary: From £45,000 to £55,000 per annum + Bonus & Benefits
Posted: 4 days ago
City, London
Redrock Consulting Ltd
Salary: £35000 - £50000 per annum + Excellent benefits, Bonus
Posted: 23 hours ago
City, London
Harrington Starr
Salary: £35000 - £55000 per annum + Bonus + Benefits + Training
Posted: 4 days ago
City, London
Harrington Starr
Salary: £50000 - £70000 per annum + Bonus + Benefits + Training
Posted: 4 days ago
City, London
Harrington Starr
Salary: £35000 - £55000 per annum + Bonus + Benefits + Training
Posted: 3 days ago
City, London
Darwin Recruitment
Posted: 5 days ago
City, London
Harrington Starr
Salary: £45000 - £60000 per annum + Bonus + Benefits
Posted: 4 days ago
City, London
Harrington Starr
Salary: £35000 - £55000 per annum + Bonus + Benefits + Training
Posted: 4 days ago
City, London
Sanderson
Salary: £30000 - £40000 per annum
Posted: 4 days ago
City, London
ANSON MCCADE
Salary: UKP 60000 per year
Posted: 4 days ago
City, London
Client Server
Salary: £90k to £120k + bonus + benefits
Posted: 6 days ago