Period
to 16 February 2020

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 16 February 2020 with a comparison to the same period in the previous 2 years.

Unix
Central London > City of London
6 months to
16 Feb 2020
Same period 2019 Same period 2018
Rank 98 83 66
Rank change year-on-year -15 -17 -28
Permanent jobs citing Unix 285 349 453
As % of all permanent IT jobs advertised in the City of London 3.18% 3.38% 4.23%
As % of the Operating Systems category 15.18% 14.76% 19.05%
Number of salaries quoted 226 317 385
City of London median annual salary £75,000 £70,000 £70,000
Median salary % change year-on-year +7.14% - +7.69%
10th Percentile £49,375 £48,750 £42,500
90th Percentile £120,000 £97,500 £91,500
Central London median annual salary £75,000 £70,000 £70,000
% change year-on-year +7.14% - +7.69%

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 1,878 2,364 2,378
As % of all permanent IT jobs advertised in the City of London 20.92% 22.91% 22.19%
Number of salaries quoted 1,576 2,080 2,164
City of London median annual salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.35% -
10th Percentile £28,375 £30,000 £31,250
90th Percentile £95,000 £93,750 £86,250
Central London median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% -

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 16 February 2020.

Salary histogram for Unix in the City of London

Unix
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the City of London region over the 6 months to 16 February 2020. 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
London Bridge -12 2 £45,000 +12.50%
Unix
Central London

For the 6 months to 16 February 2020, 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.

1 205 (71.93%) Linux
2 151 (52.98%) Finance
3 118 (41.40%) SQL
4 110 (38.60%) Java
5 107 (37.54%) Python
6 82 (28.77%) Windows
7 72 (25.26%) AWS
8 63 (22.11%) Oracle
9 59 (20.70%) Agile Software Development
10 52 (18.25%) DevOps
11 50 (17.54%) Degree
12 49 (17.19%) Banking
13 47 (16.49%) Problem-Solving
14 41 (14.39%) Azure
15 40 (14.04%) Computer Science
15 40 (14.04%) JavaScript
16 39 (13.68%) Bash Shell
17 38 (13.33%) Ansible
18 36 (12.63%) Hedge funds
19 34 (11.93%) Shell Script
20 33 (11.58%) XML
21 31 (10.88%) Management Information System
22 29 (10.18%) C++
22 29 (10.18%) Analytical Skills
23 28 (9.82%) QA
24 27 (9.47%) Git (software)
25 26 (9.12%) FIX Protocol
25 26 (9.12%) Continuous Integration
25 26 (9.12%) Docker
26 25 (8.77%) Kubernetes

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 11 (3.86%) MQSeries
2 7 (2.46%) Apache Spark
2 7 (2.46%) SAS
3 5 (1.75%) Apache
3 5 (1.75%) IIS
4 4 (1.40%) Confluence
4 4 (1.40%) MS Exchange
4 4 (1.40%) OpenStack
5 3 (1.05%) MTS
5 3 (1.05%) Tomcat
6 1 (0.35%) Elasticsearch
6 1 (0.35%) Oracle SOA Suite
6 1 (0.35%) WebLogic
Applications
1 7 (2.46%) Microsoft Excel
2 1 (0.35%) Microsoft Office
2 1 (0.35%) Spreadsheet
Business Applications
1 7 (2.46%) Salerio
2 6 (2.11%) R3 Corda
3 3 (1.05%) SnowdropKCS
4 2 (0.70%) Temenos T24
5 1 (0.35%) Oracle EBS
5 1 (0.35%) Salesforce.com CRM
5 1 (0.35%) Temenos Globus
Cloud Services
1 72 (25.26%) AWS
2 41 (14.39%) Azure
3 16 (5.61%) GCP
4 7 (2.46%) AWS CloudFormation
4 7 (2.46%) Datadog
5 6 (2.11%) IaaS
6 4 (1.40%) DigitalOcean
6 4 (1.40%) Linode
6 4 (1.40%) Office 365
6 4 (1.40%) SaaS
6 4 (1.40%) Serverless
7 3 (1.05%) AWS Lambda
7 3 (1.05%) Virtual Private Cloud
8 2 (0.70%) Amazon CloudWatch
8 2 (0.70%) Amazon Kinesis
8 2 (0.70%) Amazon S3
8 2 (0.70%) GitHub
8 2 (0.70%) PaaS
8 2 (0.70%) Trello
9 1 (0.35%) Amazon ECS
Communications & Networking
1 19 (6.67%) TCP/IP
2 13 (4.56%) Intrusion Detection
3 12 (4.21%) Firewall
4 11 (3.86%) DNS
5 9 (3.16%) HTTP
6 8 (2.81%) DHCP
6 8 (2.81%) Network Security
7 4 (1.40%) DMZ
7 4 (1.40%) HTTPS
8 3 (1.05%) IPsec
8 3 (1.05%) SMTP
9 2 (0.70%) Cisco ASA
9 2 (0.70%) LAN
9 2 (0.70%) SAN
10 1 (0.35%) Cisco ISE
10 1 (0.35%) Cisco Nexus
10 1 (0.35%) F5 BIG-IP LTM
10 1 (0.35%) FTP
10 1 (0.35%) tcpdump
10 1 (0.35%) WAN
Database & Business Intelligence
1 20 (7.02%) SQL Server
2 16 (5.61%) Big Data
2 16 (5.61%) MySQL
3 14 (4.91%) Hadoop
4 13 (4.56%) KDB
4 13 (4.56%) SQL Server Integration Services
5 12 (4.21%) Oracle Database
6 11 (3.86%) NoSQL
7 10 (3.51%) Relational Database
8 9 (3.16%) Blockchain
9 8 (2.81%) MongoDB
10 7 (2.46%) Amazon Redshift
10 7 (2.46%) Pentaho
11 6 (2.11%) DataStage
11 6 (2.11%) Snowflake Schema
11 6 (2.11%) SQL Server Reporting Services
12 4 (1.40%) CouchDB
12 4 (1.40%) SQL Server 2005
12 4 (1.40%) SQL Server 2017
13 3 (1.05%) Data Warehouse
Development Applications
1 27 (9.47%) Git (software)
2 21 (7.37%) JIRA
3 17 (5.96%) Jenkins
4 10 (3.51%) Maven
5 8 (2.81%) Artifactory
5 8 (2.81%) Subversion
6 7 (2.46%) Bitbucket
6 7 (2.46%) Visual Studio
7 4 (1.40%) Cucumber
7 4 (1.40%) GCC
7 4 (1.40%) JUnit
8 3 (1.05%) NetBeans
8 3 (1.05%) Postman
9 2 (0.70%) Atlassian Bamboo
9 2 (0.70%) Burp Suite
9 2 (0.70%) Eclipse
9 2 (0.70%) Team Foundation Server
10 1 (0.35%) git-flow
10 1 (0.35%) Mercurial
10 1 (0.35%) Visual Studio Tools for Office
General
1 151 (52.98%) Finance
2 49 (17.19%) Banking
3 23 (8.07%) Front Office
4 21 (7.37%) Investment Banking
5 17 (5.96%) Financial Institution
6 11 (3.86%) Marketing
7 9 (3.16%) Back Office
8 4 (1.40%) Retail
9 3 (1.05%) Advertising
9 3 (1.05%) International Banking
9 3 (1.05%) Legal
10 2 (0.70%) Law
10 2 (0.70%) Retail Banking
11 1 (0.35%) Manufacturing
11 1 (0.35%) Telecoms
Job Titles
1 79 (27.72%) Developer
2 46 (16.14%) Analyst
3 34 (11.93%) Java Developer
4 28 (9.82%) Support Analyst
5 24 (8.42%) Senior Developer
6 22 (7.72%) Applications Support
6 22 (7.72%) Support Engineer
7 21 (7.37%) DevOps Engineer
8 16 (5.61%) Data Engineer
9 15 (5.26%) Applications Support Analyst
9 15 (5.26%) Python Developer
10 13 (4.56%) JavaScript Developer
10 13 (4.56%) Linux Engineer
11 11 (3.86%) Java Programmer
11 11 (3.86%) Programmer
12 10 (3.51%) Consultant
12 10 (3.51%) Senior Java Developer
13 9 (3.16%) Junior
13 9 (3.16%) Operations Analyst
14 8 (2.81%) C++ Developer
Libraries, Frameworks & Software Standards
1 33 (11.58%) XML
2 26 (9.12%) FIX Protocol
3 24 (8.42%) CSS
4 22 (7.72%) XSLT
5 19 (6.67%) Web Services
6 18 (6.32%) J2EE
6 18 (6.32%) Node.js
7 14 (4.91%) HTML
7 14 (4.91%) REST
8 13 (4.56%) Elastic Stack
9 12 (4.21%) .NET
9 12 (4.21%) JSON
10 11 (3.86%) Dojo
10 11 (3.86%) JSP
10 11 (3.86%) React
11 10 (3.51%) Regular Expression
11 10 (3.51%) XSD
12 9 (3.16%) Spring
13 8 (2.81%) LDAP
13 8 (2.81%) TensorFlow
Miscellaneous
1 36 (12.63%) Hedge funds
2 31 (10.88%) Management Information System
3 29 (10.18%) Analytical Skills
4 22 (7.72%) Equities
5 18 (6.32%) Fixed Income
6 11 (3.86%) Algorithms
6 11 (3.86%) Data Structures
6 11 (3.86%) Derivative
6 11 (3.86%) Linux Command Line
6 11 (3.86%) Public Cloud
6 11 (3.86%) Self-Motivation
6 11 (3.86%) SWIFT
7 8 (2.81%) Mobile Banking
8 7 (2.46%) Enterprise Software
9 6 (2.11%) Cyberthreat
9 6 (2.11%) Greenfield Project
10 5 (1.75%) Foreign Exchange (FX)
10 5 (1.75%) Security Operations Centre
11 4 (1.40%) Cyber Kill Chain
11 4 (1.40%) Virtual Team
Operating Systems
1 205 (71.93%) Linux
2 82 (28.77%) Windows
3 18 (6.32%) Solaris
4 11 (3.86%) Windows Server
5 7 (2.46%) Windows 10
5 7 (2.46%) Windows 7
5 7 (2.46%) Windows Server 2008
6 4 (1.40%) Mac OS X
6 4 (1.40%) Red Hat Enterprise Linux
7 2 (0.70%) Mac OS
7 2 (0.70%) Ubuntu
8 1 (0.35%) Android
8 1 (0.35%) Debian
8 1 (0.35%) Kali Linux
8 1 (0.35%) Oracle Linux
8 1 (0.35%) Windows Server 2012
Processes & Methodologies
1 59 (20.70%) Agile Software Development
2 52 (18.25%) DevOps
3 47 (16.49%) Problem-Solving
4 40 (14.04%) Computer Science
5 26 (9.12%) Continuous Integration
6 25 (8.77%) ITIL
7 24 (8.42%) OO
8 23 (8.07%) Information Security
9 22 (7.72%) Analytics
9 22 (7.72%) Configuration Management
9 22 (7.72%) Fintech
10 21 (7.37%) Artificial Intelligence
10 21 (7.37%) TDD
11 20 (7.02%) Infrastructure as Code
12 19 (6.67%) Cybersecurity
12 19 (6.67%) SDLC
13 18 (6.32%) Project Management
14 17 (5.96%) Machine Learning
14 17 (5.96%) Risk Management
15 15 (5.26%) Microservices
Programming Languages
1 118 (41.40%) SQL
2 110 (38.60%) Java
3 107 (37.54%) Python
4 40 (14.04%) JavaScript
5 39 (13.68%) Bash Shell
6 34 (11.93%) Shell Script
7 29 (10.18%) C++
8 21 (7.37%) PowerShell
9 17 (5.96%) C#
10 12 (4.21%) C
10 12 (4.21%) Perl
11 10 (3.51%) Korn
11 10 (3.51%) PL/SQL
12 9 (3.16%) Bourne shell
12 9 (3.16%) C-shell
13 8 (2.81%) Scala
13 8 (2.81%) VBA
14 7 (2.46%) TypeScript
15 4 (1.40%) Ruby
15 4 (1.40%) VB
Qualifications
1 50 (17.54%) Degree
2 11 (3.86%) CISSP
3 10 (3.51%) PhD
4 9 (3.16%) CISM
4 9 (3.16%) Computer Science Degree
5 8 (2.81%) Master's Degree
5 8 (2.81%) MCP
5 8 (2.81%) Microsoft Certification
6 6 (2.11%) CEH
7 5 (1.75%) GIAC
8 4 (1.40%) OSCP
8 4 (1.40%) RHCE
9 3 (1.05%) CISA
9 3 (1.05%) CRISC
9 3 (1.05%) SC Cleared
9 3 (1.05%) Security Cleared
10 2 (0.70%) CompTIA Security+
10 2 (0.70%) IISP
11 1 (0.35%) CREST Certified
11 1 (0.35%) SANS
Quality Assurance & Compliance
1 28 (9.82%) QA
2 23 (8.07%) SLA
3 9 (3.16%) GDPR
4 2 (0.70%) Data Quality
4 2 (0.70%) Dodd-Frank
4 2 (0.70%) EMIR
4 2 (0.70%) ISO/IEC 20000
4 2 (0.70%) MiFID
5 1 (0.35%) COBIT
5 1 (0.35%) FINRA
5 1 (0.35%) Sarbanes-Oxley
5 1 (0.35%) Solvency II
System Software
1 26 (9.12%) Docker
2 20 (7.02%) Active Directory
3 4 (1.40%) Firmware
3 4 (1.40%) NFS
3 4 (1.40%) VMware Workstation
3 4 (1.40%) Xen
4 2 (0.70%) VMware ESXi
4 2 (0.70%) VMware Infrastructure
5 1 (0.35%) Cronacle
5 1 (0.35%) Hyper-V
5 1 (0.35%) OpenAM
5 1 (0.35%) ProxySG
5 1 (0.35%) Snort
Systems Management
1 38 (13.33%) Ansible
2 25 (8.77%) Kubernetes
3 23 (8.07%) Terraform
4 20 (7.02%) Puppet
5 15 (5.26%) Opscode Chef
6 13 (4.56%) Salt
7 8 (2.81%) Consul
7 8 (2.81%) Nagios
8 6 (2.11%) Grafana
8 6 (2.11%) Graphite
9 5 (1.75%) Data Guard
10 4 (1.40%) Control-M
10 4 (1.40%) Single Sign-On
11 3 (1.05%) Host Intrusion Detection System
12 2 (0.70%) Nessus
12 2 (0.70%) QRadar
13 1 (0.35%) BladeLogic
13 1 (0.35%) FortiGate
13 1 (0.35%) Packer
13 1 (0.35%) Red Hat Spacewalk
Vendors
1 63 (22.11%) Oracle
2 24 (8.42%) Google
3 23 (8.07%) Microsoft
4 21 (7.37%) Sybase
5 17 (5.96%) ServiceNow
6 13 (4.56%) VMware
7 10 (3.51%) Splunk
8 9 (3.16%) Remedy
9 8 (2.81%) Bloomberg
9 8 (2.81%) Red Hat
10 7 (2.46%) Cloudera
10 7 (2.46%) Informatica
11 6 (2.11%) Atlassian
12 5 (1.75%) Reuters
13 4 (1.40%) F5
13 4 (1.40%) Perforce
14 3 (1.05%) BMC
14 3 (1.05%) GoldenSource
14 3 (1.05%) Tradeweb
15 2 (0.70%) Temenos