Period
to 18 July 2018

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 6 months to 18 July 2018 with a comparison to the same period in the previous 2 years.

Unix
Central London > City of London
6 months to
18 Jul 2018
Same period 2017 Same period 2016
Rank 94 39 36
Rank change year-on-year -55 -3 -11
Permanent jobs citing Unix 389 595 786
As % of all permanent IT jobs advertised in the City of London 3.49% 5.78% 5.78%
As % of the Operating Systems category 15.65% 22.49% 22.29%
Number of salaries quoted 347 540 713
City of London median annual salary £70,000 £65,000 £65,000
Median salary % change year-on-year +7.69% - +18.18%
10th Percentile £47,500 £35,000 £38,850
90th Percentile £102,500 £96,250 £101,250
Central London median annual salary £70,000 £60,000 £65,000
% change year-on-year +16.67% -7.69% +18.18%

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Permanent vacancies with a requirement for operating system skills 2,486 2,646 3,527
As % of all permanent IT jobs advertised in the City of London 22.28% 25.70% 25.95%
Number of salaries quoted 2,243 2,373 3,211
City of London median annual salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% - +4.76%
10th Percentile £30,000 £29,350 £30,000
90th Percentile £90,000 £87,500 £82,500
Central London median annual salary £57,500 £54,500 £55,000
% change year-on-year +5.50% -0.91% +10.00%

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
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 6 months to 18 July 2018.

Salary histogram for Unix in the City of London

For the 6 months to 18 July 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 City of London region with a requirement for Unix.

1 261 (67.10%) Linux
2 234 (60.15%) Finance
3 149 (38.30%) SQL
4 135 (34.70%) Java
5 124 (31.88%) Python
6 106 (27.25%) Banking
7 87 (22.37%) Windows
8 83 (21.34%) Oracle
9 74 (19.02%) Shell Script
10 70 (17.99%) Agile Software Development
11 64 (16.45%) Degree
12 63 (16.20%) C++
12 63 (16.20%) Bash Shell
13 60 (15.42%) DevOps
13 60 (15.42%) Perl
14 56 (14.40%) Microsoft
14 56 (14.40%) Amazon AWS
15 53 (13.62%) FIX Protocol
16 50 (12.85%) Computer Science
17 49 (12.60%) Front Office
18 44 (11.31%) Low Latency
19 42 (10.80%) Problem-Solving
19 42 (10.80%) SQL Server
20 41 (10.54%) JavaScript
20 41 (10.54%) XML
21 40 (10.28%) Active Directory
22 39 (10.03%) TCP/IP
22 39 (10.03%) Firewall
23 37 (9.51%) ITIL
23 37 (9.51%) Apache Spark

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 37 (9.51%) Apache Spark
2 23 (5.91%) Apache
2 23 (5.91%) Tomcat
3 8 (2.06%) WebLogic
4 7 (1.80%) SAS
4 7 (1.80%) WebSphere
5 6 (1.54%) JBoss
6 5 (1.29%) MQSeries
6 5 (1.29%) Oracle Workflow
6 5 (1.29%) WildFly
7 4 (1.03%) OpenStack
8 3 (0.77%) SharePoint
9 2 (0.51%) Ethereum
9 2 (0.51%) Exchange Server 2013
9 2 (0.51%) GlassFish
9 2 (0.51%) MS Exchange
9 2 (0.51%) nginx
10 1 (0.26%) BizTalk Server
10 1 (0.26%) Confluence
10 1 (0.26%) Oracle HTTP Server
Applications
1 7 (1.80%) Microsoft Office
2 6 (1.54%) MS Visio
3 3 (0.77%) Microsoft Excel
3 3 (0.77%) Microsoft PowerPoint
Business Applications
1 3 (0.77%) RMDS
2 2 (0.51%) Eikon
2 2 (0.51%) Sentinel
3 1 (0.26%) Actimize
3 1 (0.26%) BusinessWorks
3 1 (0.26%) CSG Singleview
3 1 (0.26%) Dynamics CRM
3 1 (0.26%) Infor M3
3 1 (0.26%) Kondor
3 1 (0.26%) MetaTrader
3 1 (0.26%) Oracle ERP
3 1 (0.26%) PeopleSoft CRM
Cloud Services
1 56 (14.40%) Amazon AWS
2 29 (7.46%) Microsoft Azure
3 9 (2.31%) IaaS
4 7 (1.80%) PaaS
5 5 (1.29%) Office 365
6 3 (0.77%) Amazon EC2
6 3 (0.77%) Amazon ElastiCache
6 3 (0.77%) Amazon S3
6 3 (0.77%) Cloud Computing
6 3 (0.77%) CloudFront
6 3 (0.77%) Google Cloud Platform
6 3 (0.77%) Route 53
7 2 (0.51%) GitHub
7 2 (0.51%) SaaS
7 2 (0.51%) Serverless
8 1 (0.26%) AWS CloudFormation
8 1 (0.26%) AWS Lambda
8 1 (0.26%) Azure Active Directory
8 1 (0.26%) DigitalOcean
8 1 (0.26%) OpenShift
Communications & Networking
1 39 (10.03%) Firewall
1 39 (10.03%) TCP/IP
2 23 (5.91%) DNS
3 22 (5.66%) HTTP
4 16 (4.11%) Cisco ASA
4 16 (4.11%) F5 BIG-IP GTM
4 16 (4.11%) F5 BIG-IP LTM
4 16 (4.11%) SNMP
5 14 (3.60%) SSH
6 13 (3.34%) Internet
6 13 (3.34%) LAN
6 13 (3.34%) WAN
7 11 (2.83%) DHCP
7 11 (2.83%) Intrusion Detection
7 11 (2.83%) SAN
7 11 (2.83%) SMTP
8 8 (2.06%) Multicast
8 8 (2.06%) SMS
9 5 (1.29%) FIX Connectivity
9 5 (1.29%) OpenLDAP
Database & Business Intelligence
1 42 (10.80%) SQL Server
2 34 (8.74%) Relational Database
3 30 (7.71%) MySQL
4 28 (7.20%) Big Data
5 22 (5.66%) RDBMS
6 21 (5.40%) Oracle Database
7 20 (5.14%) NoSQL
8 19 (4.88%) Hadoop
9 15 (3.86%) Data Warehouse
9 15 (3.86%) PostgreSQL
10 11 (2.83%) Apache Cassandra
10 11 (2.83%) KDB
11 10 (2.57%) Apache Hive
11 10 (2.57%) BusinessObjects
12 9 (2.31%) Data Lake
13 8 (2.06%) MongoDB
14 6 (1.54%) OLTP
14 6 (1.54%) QlikView
15 5 (1.29%) Blockchain
16 4 (1.03%) SQL Server Integration Services
Development Applications
1 24 (6.17%) Maven
2 22 (5.66%) Git (software)
3 16 (4.11%) Jenkins
4 10 (2.57%) Subversion
5 8 (2.06%) Emacs
6 7 (1.80%) Eclipse
6 7 (1.80%) Sonatype Nexus
7 6 (1.54%) JIRA
8 5 (1.29%) Gradle
8 5 (1.29%) JMeter
8 5 (1.29%) TeamCity
9 4 (1.03%) LoadRunner
10 3 (0.77%) JUnit
10 3 (0.77%) Octopus Deploy
10 3 (0.77%) Selenium
11 2 (0.51%) Mockito
11 2 (0.51%) WebDriver
12 1 (0.26%) Cucumber
12 1 (0.26%) Gerrit
12 1 (0.26%) SoapUI
General
1 234 (60.15%) Finance
2 106 (27.25%) Banking
3 49 (12.60%) Front Office
4 22 (5.66%) Advertising
5 20 (5.14%) Investment Banking
6 16 (4.11%) Financial Institution
7 11 (2.83%) Back Office
8 10 (2.57%) Publishing
9 9 (2.31%) Games
9 9 (2.31%) Telecoms
10 6 (1.54%) Marketing
10 6 (1.54%) Retail Banking
11 4 (1.03%) Billing
11 4 (1.03%) Retail
12 3 (0.77%) Law
12 3 (0.77%) Legal
13 2 (0.51%) French Language
14 1 (0.26%) International Banking
14 1 (0.26%) Retail Finance
14 1 (0.26%) Wholesale Banking
Job Titles
1 89 (22.88%) Developer
2 65 (16.71%) Analyst
3 39 (10.03%) Administrator
3 39 (10.03%) Support Analyst
4 38 (9.77%) C++ Developer
5 35 (9.00%) Applications Support
6 31 (7.97%) Systems Administrator
7 24 (6.17%) Java Developer
8 22 (5.66%) Network Engineer
9 21 (5.40%) DevOps Engineer
10 20 (5.14%) Applications Support Analyst
10 20 (5.14%) Linux Administrator
11 19 (4.88%) Linux Systems Administrator
11 19 (4.88%) Senior Developer
12 15 (3.86%) Linux Engineer
13 13 (3.34%) Consultant
13 13 (3.34%) Infrastructure Engineer
14 12 (3.08%) Architect
14 12 (3.08%) Unix Administrator
14 12 (3.08%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 53 (13.62%) FIX Protocol
2 41 (10.54%) XML
3 35 (9.00%) Web Services
4 28 (7.20%) Spring
5 25 (6.43%) Kafka
6 19 (4.88%) .NET
6 19 (4.88%) JSON
7 18 (4.63%) LDAP
8 16 (4.11%) 802.1X
9 15 (3.86%) HTML
10 13 (3.34%) Middleware
10 13 (3.34%) Spring Boot
11 12 (3.08%) J2EE
12 11 (2.83%) Hibernate
12 11 (2.83%) JMS
13 10 (2.57%) Java EE
13 10 (2.57%) STL
14 9 (2.31%) React
14 9 (2.31%) WebSockets
14 9 (2.31%) XML Schema
Miscellaneous
1 50 (12.85%) Computer Science
2 34 (8.74%) Foreign Exchange (FX)
3 31 (7.97%) Fintech
4 26 (6.68%) Equities
5 25 (6.43%) Fixed Income
6 22 (5.66%) Analytical Skills
6 22 (5.66%) Linux Command Line
7 18 (4.63%) Algorithms
8 15 (3.86%) Management Information System
9 14 (3.60%) Derivative
10 12 (3.08%) Hedge funds
11 10 (2.57%) Data Centre
12 8 (2.06%) Data Structures
13 7 (1.80%) Credit Risk
13 7 (1.80%) Greenfield Project
13 7 (1.80%) Market Risk
13 7 (1.80%) Self-Motivation
14 6 (1.54%) Grid Computing
14 6 (1.54%) Mainframe
15 5 (1.29%) Client/Server
Operating Systems
1 261 (67.10%) Linux
2 87 (22.37%) Windows
3 32 (8.23%) Red Hat Enterprise Linux
4 24 (6.17%) Windows Server
5 23 (5.91%) Solaris
6 12 (3.08%) AIX
6 12 (3.08%) HPUX
7 10 (2.57%) Windows Server 2008
8 9 (2.31%) Oracle Linux
8 9 (2.31%) Ubuntu
9 8 (2.06%) CentOS
10 7 (1.80%) Windows Server 2003
11 5 (1.29%) Windows Server 2012
11 5 (1.29%) Windows XP
12 3 (0.77%) Windows 10
13 2 (0.51%) Android
13 2 (0.51%) Apple iOS
13 2 (0.51%) Mac OS
13 2 (0.51%) Windows 8
14 1 (0.26%) Windows 7
Processes & Methodologies
1 70 (17.99%) Agile Software Development
2 60 (15.42%) DevOps
3 44 (11.31%) Low Latency
4 42 (10.80%) Problem-Solving
5 37 (9.51%) ITIL
6 36 (9.25%) Open Source
7 30 (7.71%) Mathematics
7 30 (7.71%) TDD
7 30 (7.71%) Test Automation
8 29 (7.46%) Analytics
9 27 (6.94%) Multithreading
10 25 (6.43%) Continuous Improvement
10 25 (6.43%) Time Management
11 24 (6.17%) Continuous Integration
12 23 (5.91%) Root Cause Analysis
13 22 (5.66%) Electronic Trading
14 21 (5.40%) Configuration Management
14 21 (5.40%) OO
15 20 (5.14%) SDLC
15 20 (5.14%) Software Engineering
Programming Languages
1 149 (38.30%) SQL
2 135 (34.70%) Java
3 124 (31.88%) Python
4 74 (19.02%) Shell Script
5 63 (16.20%) Bash Shell
5 63 (16.20%) C++
6 60 (15.42%) Perl
7 41 (10.54%) JavaScript
8 37 (9.51%) Scala
9 27 (6.94%) C
9 27 (6.94%) C#
10 26 (6.68%) Ruby
11 21 (5.40%) Korn
12 17 (4.37%) Java 8
12 17 (4.37%) PowerShell
12 17 (4.37%) VB
13 11 (2.83%) PL/SQL
14 8 (2.06%) PHP
15 5 (1.29%) Go
15 5 (1.29%) T-SQL
Qualifications
1 64 (16.45%) Degree
2 27 (6.94%) Computer Science Degree
3 23 (5.91%) Cisco Certification
4 19 (4.88%) CCIE
4 19 (4.88%) CISSP
5 17 (4.37%) CISM
6 16 (4.11%) CCNP
7 11 (2.83%) CISA
8 9 (2.31%) ITIL Certification
9 5 (1.29%) PhD
9 5 (1.29%) RHCE
9 5 (1.29%) VERITAS Certified Professional (VCP)
9 5 (1.29%) VMware Certified Professional (VCP)
10 4 (1.03%) Master's Degree
11 3 (0.77%) CCNA
11 3 (0.77%) CEH
11 3 (0.77%) ISEB
12 2 (0.51%) CCSP
12 2 (0.51%) Numerate Degree
12 2 (0.51%) Security Cleared
Quality Assurance & Compliance
1 20 (5.14%) QA
2 12 (3.08%) Data Quality
3 6 (1.54%) PCI DSS
4 5 (1.29%) SLA
5 3 (0.77%) MiFID
5 3 (0.77%) SEPA
6 1 (0.26%) GCP
6 1 (0.26%) ISO 20022
6 1 (0.26%) ISO/IEC 27001
System Software
1 40 (10.28%) Active Directory
2 25 (6.43%) Docker
3 19 (4.88%) VMware Infrastructure
4 7 (1.80%) Virtual Machines
5 6 (1.54%) KVM
5 6 (1.54%) Xen
6 5 (1.29%) Hyper-V
6 5 (1.29%) LXC
6 5 (1.29%) Veritas Cluster Server
7 4 (1.03%) Oracle RAC
8 3 (0.77%) Apache Flume
8 3 (0.77%) HDFS
8 3 (0.77%) NFS
9 2 (0.51%) Firmware
9 2 (0.51%) iptables
9 2 (0.51%) OpenAM
9 2 (0.51%) ProxySG
9 2 (0.51%) Virtual Servers
9 2 (0.51%) XenApp
10 1 (0.26%) Cronacle
Systems Management
1 37 (9.51%) Puppet
2 22 (5.66%) Ansible
2 22 (5.66%) Opscode Chef
3 11 (2.83%) Kubernetes
4 9 (2.31%) Nagios
5 7 (1.80%) Terraform
6 6 (1.54%) Control-M
6 6 (1.54%) ZABBIX
7 5 (1.29%) Docker Swarm
7 5 (1.29%) ITRS Geneos
7 5 (1.29%) Mesos
7 5 (1.29%) Red Hat Spacewalk
8 4 (1.03%) CFEngine
8 4 (1.03%) Prometheus
8 4 (1.03%) Salt
9 3 (0.77%) Data Guard
9 3 (0.77%) Network Intrusion Detection System
9 3 (0.77%) Oracle RMAN
10 1 (0.26%) Grafana
10 1 (0.26%) vRealize
Vendors
1 83 (21.34%) Oracle
2 56 (14.40%) Microsoft
3 34 (8.74%) Red Hat
4 30 (7.71%) Sybase
4 30 (7.71%) VMware
5 29 (7.46%) Cisco
6 20 (5.14%) F5
7 18 (4.63%) CheckPoint
8 16 (4.11%) Palo Alto
9 11 (2.83%) Reuters
9 11 (2.83%) Sun
10 10 (2.57%) Bloomberg
11 9 (2.31%) Hortonworks
11 9 (2.31%) MapR
11 9 (2.31%) Tableau
12 8 (2.06%) Citrix
12 8 (2.06%) Cloudera
12 8 (2.06%) Murex
13 6 (1.54%) SAP
14 5 (1.29%) HP