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 29 March 2017 with a comparison to the same period in the previous 2 years.

Unix
London / City of London
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 31 38 27
Rank change year-on-year +7 -11  
Permanent jobs citing Unix 310 404 690
As % of all permanent IT jobs advertised in the City of London 6.03% 5.63% 6.64%
As % of the Operating Systems category 23.50% 23.50% 24.96%
Number of salaries quoted 279 355 559
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 £37,400 £44,100 £40,000
10% offered a salary of more than £90,000 £90,000 £80,000
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 1319 1719 2764
As % of all permanent IT job vacancies advertised in the City of London 25.64% 23.94% 26.61%
Number of salaries quoted 1204 1535 2401
Median salary £52,500 £52,500 £48,500
Median salary % change year-on-year - +8.24%  
90% offered a salary of more than £28,500 £30,000 £30,000
10% offered a salary of more than £80,000 £70,000 £80,000
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 29 March 2017.

Salary histogram for Unix in the City of London

For the 6 months to 29 March 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.

1 377 (62.31%) Linux
2 296 (48.93%) Finance
3 221 (36.53%) SQL
4 167 (27.60%) Python
5 160 (26.45%) Java
6 153 (25.29%) Banking
7 149 (24.63%) Windows
8 139 (22.98%) Degree
9 138 (22.81%) Perl
10 103 (17.02%) Oracle
11 99 (16.36%) Red Hat Enterprise Linux
12 93 (15.37%) C++
13 86 (14.21%) Red Hat
14 82 (13.55%) Shell Script
15 81 (13.39%) Front Office
16 78 (12.89%) Puppet
17 67 (11.07%) Equities
18 65 (10.74%) Multithreading
19 63 (10.41%) JavaScript
20 61 (10.08%) Computer Science
20 61 (10.08%) Bash Shell
21 58 (9.59%) Agile Software Development
21 58 (9.59%) Low Latency
22 57 (9.42%) Investment Banking
23 55 (9.09%) Fintech
23 55 (9.09%) FIX Protocol
24 53 (8.76%) DevOps
24 53 (8.76%) Configuration Management
25 52 (8.60%) Solaris
26 51 (8.43%) 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 41 (6.78%) Apache
2 34 (5.62%) Tomcat
3 28 (4.63%) JBoss
4 24 (3.97%) IIS
5 22 (3.64%) WebLogic
6 20 (3.31%) OpenStack
7 15 (2.48%) Apache Spark
7 15 (2.48%) WebSphere
8 10 (1.65%) Alfresco
9 9 (1.49%) Elasticsearch
9 9 (1.49%) IPython
10 8 (1.32%) nginx
10 8 (1.32%) SharePoint
11 6 (0.99%) Apache Pig
12 5 (0.83%) CloudStack
12 5 (0.83%) Confluence
12 5 (0.83%) MS Exchange
12 5 (0.83%) WebSphere Application Server
13 3 (0.50%) BizTalk Server
13 3 (0.50%) SAS
Applications
1 11 (1.82%) MS Excel
2 5 (0.83%) MS PowerPoint
3 3 (0.50%) MS Office
3 3 (0.50%) SPSS
4 2 (0.33%) MS Project
5 1 (0.17%) Spreadsheet
Business Applications
1 5 (0.83%) Temenos T24
2 4 (0.66%) Sage X3
3 3 (0.50%) BusinessWorks
3 3 (0.50%) CSG Singleview
3 3 (0.50%) Dynamics CRM
3 3 (0.50%) TIBCO BusinessEvents
4 2 (0.33%) Adobe Campaign
4 2 (0.33%) Bloomberg TOMS
4 2 (0.33%) Eikon
4 2 (0.33%) Magento
4 2 (0.33%) PeopleSoft CRM
4 2 (0.33%) RMDS
4 2 (0.33%) Unica
5 1 (0.17%) ION MarketView
Cloud Services
1 23 (3.80%) Amazon AWS
2 10 (1.65%) G Suite
3 9 (1.49%) Microsoft Azure
4 7 (1.16%) Amazon EC2
5 6 (0.99%) Amazon S3
5 6 (0.99%) Google Cloud Platform
6 4 (0.66%) Google Compute Engine
7 3 (0.50%) GitHub
7 3 (0.50%) PaaS
8 1 (0.17%) AdWords
8 1 (0.17%) Amazon EMR
8 1 (0.17%) Amazon SQS
8 1 (0.17%) AWS CloudFormation
8 1 (0.17%) AWS Lambda
8 1 (0.17%) Cloud Computing
8 1 (0.17%) CloudFront
8 1 (0.17%) IaaS
8 1 (0.17%) Office 365
8 1 (0.17%) Route 53
8 1 (0.17%) SaaS
Communications & Networking
1 41 (6.78%) Firewall
2 37 (6.12%) TCP/IP
3 26 (4.30%) SSL
4 21 (3.47%) Intrusion Detection
4 21 (3.47%) SAN
5 20 (3.31%) Internet
5 20 (3.31%) NAS
6 19 (3.14%) LDAP
7 17 (2.81%) DNS
8 13 (2.15%) Cisco ASA
8 13 (2.15%) Network Security
9 11 (1.82%) NetScaler
10 10 (1.65%) VPN
11 8 (1.32%) DHCP
11 8 (1.32%) FTP
11 8 (1.32%) HTTP
11 8 (1.32%) LAN
11 8 (1.32%) WAN
12 6 (0.99%) Kerberos
12 6 (0.99%) Wireshark
Database & Business Intelligence
1 51 (8.43%) KDB
2 40 (6.61%) MySQL
3 39 (6.45%) SQL Server
4 35 (5.79%) Kdb+
4 35 (5.79%) Oracle Database
5 32 (5.29%) Relational Database
6 18 (2.98%) Hadoop
7 17 (2.81%) Oracle Database 11g
8 16 (2.64%) Big Data
9 12 (1.98%) PostgreSQL
10 11 (1.82%) Data Warehouse
10 11 (1.82%) NoSQL
11 9 (1.49%) BusinessObjects
12 8 (1.32%) Apache Cassandra
12 8 (1.32%) Apache Hive
12 8 (1.32%) DB2
12 8 (1.32%) GIS
12 8 (1.32%) MongoDB
13 7 (1.16%) Oracle Reports
14 6 (0.99%) PowerCenter
Development Applications
1 39 (6.45%) Jenkins
2 33 (5.45%) Git (software)
3 30 (4.96%) Subversion
4 24 (3.97%) Maven
5 21 (3.47%) JIRA
6 12 (1.98%) Gradle
7 11 (1.82%) JUnit
8 10 (1.65%) Vagrant
9 9 (1.49%) Selenium
10 8 (1.32%) Ant
11 7 (1.16%) IntelliJ
12 6 (0.99%) Cucumber
12 6 (0.99%) Grunt
12 6 (0.99%) Mockito
12 6 (0.99%) TeamCity
13 5 (0.83%) Jasmine
13 5 (0.83%) Protractor
13 5 (0.83%) webpack
14 4 (0.66%) Eclipse
15 3 (0.50%) Burp Suite
General
1 296 (48.93%) Finance
2 153 (25.29%) Banking
3 81 (13.39%) Front Office
4 57 (9.42%) Investment Banking
5 24 (3.97%) Legal
6 22 (3.64%) Back Office
7 17 (2.81%) French Language
8 12 (1.98%) Retail
9 8 (1.32%) Financial Institution
10 7 (1.16%) Advertising
10 7 (1.16%) Marketing
11 6 (0.99%) Telecoms
12 4 (0.66%) German Language
12 4 (0.66%) Law
12 4 (0.66%) Spanish Language
13 3 (0.50%) Billing
13 3 (0.50%) Electronics
13 3 (0.50%) Multimedia
14 2 (0.33%) Automotive
15 1 (0.17%) Manufacturing
Job Titles
1 175 (28.93%) Developer
2 82 (13.55%) Analyst
3 59 (9.75%) Applications Support
4 49 (8.10%) C++ Developer
5 47 (7.77%) Support Analyst
6 44 (7.27%) Java Developer
7 41 (6.78%) Administrator
8 40 (6.61%) KDB Developer
9 31 (5.12%) Unix Engineer
10 28 (4.63%) Applications Support Analyst
11 26 (4.30%) Linux Engineer
12 25 (4.13%) Linux Administrator
13 24 (3.97%) Support Engineer
14 22 (3.64%) DevOps Engineer
15 21 (3.47%) Unix Administrator
16 20 (3.31%) Junior
17 18 (2.98%) Senior Developer
17 18 (2.98%) Unix Analyst
18 17 (2.81%) Network Engineer
18 17 (2.81%) Systems Administrator
Libraries, Frameworks & Software Standards
1 55 (9.09%) FIX Protocol
2 41 (6.78%) XML
3 37 (6.12%) HTML
4 23 (3.80%) CSS
4 23 (3.80%) Web Services
5 22 (3.64%) .NET
6 20 (3.31%) STL
7 19 (3.14%) Boost C++ Libraries
7 19 (3.14%) LAMP
8 18 (2.98%) J2EE
9 17 (2.81%) SOAP
9 17 (2.81%) Spring
10 16 (2.64%) HTML5
10 16 (2.64%) Middleware
11 14 (2.31%) JMS
12 13 (2.15%) REST
13 11 (1.82%) RESTful
13 11 (1.82%) WPF
14 10 (1.65%) jQuery
14 10 (1.65%) Symfony
Miscellaneous
1 67 (11.07%) Equities
2 61 (10.08%) Computer Science
3 55 (9.09%) Fintech
4 49 (8.10%) Derivative
5 45 (7.44%) Fixed Income
6 44 (7.27%) Foreign Exchange (FX)
7 32 (5.29%) Analytical Skills
8 26 (4.30%) Management Information System
9 21 (3.47%) Hedge funds
10 19 (3.14%) Clustering
11 18 (2.98%) Security Operations Centre
12 14 (2.31%) Algorithms
13 13 (2.15%) Data Centre
14 10 (1.65%) EMC VNX
14 10 (1.65%) Equity Derivative
15 9 (1.49%) Replication
16 8 (1.32%) Cyber Attack
16 8 (1.32%) Linux Command Line
17 7 (1.16%) Data Structures
18 6 (0.99%) Enterprise Software
Operating Systems
1 377 (62.31%) Linux
2 149 (24.63%) Windows
3 99 (16.36%) Red Hat Enterprise Linux
4 52 (8.60%) Solaris
5 34 (5.62%) Windows Server
6 18 (2.98%) Ubuntu
7 16 (2.64%) CentOS
7 16 (2.64%) SUSE
8 11 (1.82%) Debian
9 10 (1.65%) Mac OS X
9 10 (1.65%) NetWare
10 9 (1.49%) Windows Server 2008
10 9 (1.49%) Windows Server 2012
11 8 (1.32%) AIX
12 2 (0.33%) Android
12 2 (0.33%) Fedora
12 2 (0.33%) HPUX
12 2 (0.33%) VMS
13 1 (0.17%) Apple iOS
13 1 (0.17%) SUSE Linux Enterprise Server
Processes & Methodologies
1 65 (10.74%) Multithreading
2 58 (9.59%) Agile Software Development
2 58 (9.59%) Low Latency
3 53 (8.76%) Configuration Management
3 53 (8.76%) DevOps
4 48 (7.93%) ITIL
5 41 (6.78%) Open Source
6 39 (6.45%) Disaster Recovery
7 38 (6.28%) Incident Management
8 37 (6.12%) Analytics
9 35 (5.79%) Electronic Trading
10 34 (5.62%) Information Security
11 32 (5.29%) Mathematics
12 29 (4.79%) Data Management
12 29 (4.79%) Risk Management
13 27 (4.46%) Continuous Improvement
13 27 (4.46%) High Availability
13 27 (4.46%) Project Management
14 26 (4.30%) Performance Tuning
14 26 (4.30%) SDLC
Programming Languages
1 221 (36.53%) SQL
2 167 (27.60%) Python
3 160 (26.45%) Java
4 138 (22.81%) Perl
5 93 (15.37%) C++
6 82 (13.55%) Shell Script
7 63 (10.41%) JavaScript
8 61 (10.08%) Bash Shell
9 45 (7.44%) C
10 33 (5.45%) PHP
11 27 (4.46%) Ruby
12 24 (3.97%) C#
13 19 (3.14%) PowerShell
14 18 (2.98%) PL/SQL
15 15 (2.48%) Scala
15 15 (2.48%) VB
16 8 (1.32%) Korn
16 8 (1.32%) R
17 7 (1.16%) VB.NET
18 6 (0.99%) C-shell
Qualifications
1 139 (22.98%) Degree
2 19 (3.14%) Cisco Certification
2 19 (3.14%) CISSP
2 19 (3.14%) RHCE
3 16 (2.64%) CISM
4 14 (2.31%) Security Cleared
5 12 (1.98%) SANS
6 11 (1.82%) CEH
6 11 (1.82%) RHCA
7 10 (1.65%) GCIA
7 10 (1.65%) GCIH
7 10 (1.65%) SC Cleared
8 9 (1.49%) CCNP
9 8 (1.32%) GCED
9 8 (1.32%) GSEC
9 8 (1.32%) Microsoft Certification
9 8 (1.32%) PhD
10 7 (1.16%) CCNA
11 6 (0.99%) MCSE
12 5 (0.83%) CISA
Quality Assurance & Compliance
1 33 (5.45%) QA
2 8 (1.32%) Data Quality
2 8 (1.32%) MiFID
2 8 (1.32%) SLA
3 5 (0.83%) Dodd-Frank
4 4 (0.66%) PMO
5 1 (0.17%) EMIR
5 1 (0.17%) GCP
5 1 (0.17%) IAS 39
5 1 (0.17%) IFRS
5 1 (0.17%) IFRS 9
5 1 (0.17%) ISAE 3402
5 1 (0.17%) Sarbanes-Oxley
System Software
1 44 (7.27%) Active Directory
2 23 (3.80%) Docker
3 22 (3.64%) VMware Infrastructure
4 19 (3.14%) vSphere
5 13 (2.15%) Veritas Cluster Server
5 13 (2.15%) Virtual Servers
6 12 (1.98%) XenApp
7 10 (1.65%) Microsoft Virtual Server
7 10 (1.65%) NFS
8 9 (1.49%) Virtual Machines
9 6 (0.99%) HDFS
10 5 (0.83%) Xen
10 5 (0.83%) XenServer
11 3 (0.50%) Cronacle
11 3 (0.50%) KVM
11 3 (0.50%) LXC
11 3 (0.50%) Samba
11 3 (0.50%) vCloud
11 3 (0.50%) VirtualBox
12 2 (0.33%) XenDesktop
Systems Management
1 78 (12.89%) Puppet
2 41 (6.78%) Ansible
3 24 (3.97%) Opscode Chef
4 23 (3.80%) Nagios
5 14 (2.31%) Network Intrusion Detection System
6 10 (1.65%) EMC VPLEX
6 10 (1.65%) NetIQ Identity Manager
6 10 (1.65%) Simpana
7 9 (1.49%) SCCM
8 7 (1.16%) ITRS Geneos
8 7 (1.16%) Kubernetes
8 7 (1.16%) Nessus
8 7 (1.16%) Red Hat Satellite
8 7 (1.16%) Terraform
8 7 (1.16%) Tivoli
9 6 (0.99%) BMC PATROL
10 5 (0.83%) Ambari
10 5 (0.83%) Cobbler
10 5 (0.83%) Oozie
10 5 (0.83%) Salt
Vendors
1 103 (17.02%) Oracle
2 86 (14.21%) Red Hat
3 45 (7.44%) VMware
4 35 (5.79%) Microsoft
5 30 (4.96%) Veritas
6 22 (3.64%) Citrix
6 22 (3.64%) EMC
7 21 (3.47%) NetApp
8 19 (3.14%) Cisco
9 16 (2.64%) Google
9 16 (2.64%) IBM
9 16 (2.64%) Splunk
9 16 (2.64%) Sun
10 15 (2.48%) Sybase
11 12 (1.98%) HP
11 12 (1.98%) Palo Alto
12 11 (1.82%) CommVault
12 11 (1.82%) Solace
12 11 (1.82%) TIBCO
13 10 (1.65%) Novell
City, London
Client Server
Salary: £75k to £90k + bonus + benefits
Posted: 10 hours ago
City, London
Harvey Nash plc
Salary: £36000 - £40000 per annum
Posted: 6 hours ago
City, London
Digitech Resourcing Ltd
Salary: From £70,000 to £85,000 per annum plus 15% bonus and benefits
Posted: Yesterday
City, London
Miller Maxwell Ltd
Salary: Up to £75,000 per annum + Bonus + Benefits
Posted: 9 hours ago
City, London
Absolute Solution Limited
Salary: From £25,000 to £45,000 per annum
Posted: Yesterday
City, London
Senitor Associates
Salary: £30000 - £35000 per annum
Posted: 2 days ago
City, London
Quant Capital
Salary: Up to £70,000 per annum Bonus Medical Pension
Posted: Yesterday
City, London
Senitor Associates
Salary: £45000 - £50000 per annum
Posted: 2 days ago
City, London
Harvey Nash plc
Salary: £80000 - £90000 per annum
Posted: Yesterday
City, London
Energon People
Salary: £40000 - £55000 per annum + Amazing Package
Posted: Yesterday
City, London
Energon People
Salary: £40000.00 - £55000.00 per annum + benefits + bonus
Posted: 2 days ago
City, London
Quant Capital
Salary: Up to £68,000 per annum Bonus Medical Pension
Posted: Yesterday
City, London
GridCell
Salary: From £40,000 to £60,000 per annum Bonuses, Pension, Training Allowance
Posted: Yesterday
City, London
Harrington Starr
Salary: £80000 - £90000 per annum + plus package and large bonus
Posted: 2 days ago
City, London
Miller Maxwell Ltd
Salary: From £75,000 to £100,000 per annum + Bonus + Benefits Package
Posted: 2 days ago
City, London
TEKsystems
Salary: £45000 - £75000 per annum + Bonus + Benefits
Posted: 4 days ago
City, London
Hatstand Limited
Salary: £35000 - £45000 per annum + Bonus, Pension, Training
Posted: 2 days ago
City, London
Quant Capital
Salary: Up to £90,000 per annum Bonus Medical Pension
Posted: 2 days ago
City, London
TEKsystems
Salary: £70000 - £130000 per annum + bonus and pension
Posted: 4 days ago
City, London
TEKsystems
Salary: £70000 - £140000 per annum + bonus and pension
Posted: 3 days ago
City, London
Thebes IT
Posted: 2 days ago
City, London
Quant Capital
Salary: Up to £45,000 per annum + benefits and bonus
Posted: 5 days ago
City, London
Asset Resourcing Ltd
Salary: £55000 - £60000 per annum + full benefits (incl bupa, gym etc)
Posted: 2 days ago
City, London
ANSON MCCADE
Salary: £45,000 -£60,000
Posted: 6 days ago
City, London
TEKsystems
Salary: £60000 - £120000 per annum + extensive benefits
Posted: 2 days ago
City, London
Harrington Starr
Salary: £50000 - £60000 per annum + plus package and bonus
Posted: 4 days ago
City, London
TEKsystems
Salary: £60000 - £150000 per annum + bonus and pension
Posted: 4 days ago
City, London
KV Recruitment
Salary: £35000 - £45000 per annum + Benefits + Bonus
Posted: 2 days ago
City, London
Harrington Starr
Salary: £50000 - £60000 per annum + Bonus + Benefits + Training
Posted: 4 days ago
City, London
Harrington Starr
Salary: £60000 - £70000 per annum + Benefits, Bonus
Posted: 5 days ago