Period
to 30 March 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 30 March 2020 with a comparison to the same period in the previous 2 years.

Unix
Central London > City of London
6 months to
30 Mar 2020
Same period 2019 Same period 2018
Rank 99 79 81
Rank change year-on-year -20 +2 -47
Permanent jobs citing Unix 259 365 409
As % of all permanent jobs advertised in the City of London 2.94% 3.52% 3.80%
As % of the Operating Systems category 14.72% 15.55% 17.14%
Number of salaries quoted 216 341 371
Median annual salary £75,000 £70,000 £70,000
Median salary % change year-on-year +7.14% - +7.69%
10th Percentile £51,338 £45,000 £46,250
90th Percentile £112,500 £96,250 £93,750
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 1,759 2,348 2,386
As % of all permanent IT jobs advertised in the City of London 20.00% 22.64% 22.16%
Number of salaries quoted 1,508 2,091 2,170
Median annual salary £62,500 £60,000 £60,000
Median salary % change year-on-year +4.17% - +4.35%
10th Percentile £29,134 £30,000 £31,250
90th Percentile £95,000 £91,250 £87,500
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 proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing Unix in the City of London over the 6 months to 30 March 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 30 March 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 -9 2 £45,000 +12.50%
Moorgate - 1 £52,500 -
Unix
Central London

For the 6 months to 30 March 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.

1 182 (70.27%) Linux
2 139 (53.67%) Finance
3 107 (41.31%) Java
4 102 (39.38%) SQL
5 85 (32.82%) Python
6 78 (30.12%) Windows
7 58 (22.39%) Oracle
8 54 (20.85%) Agile Software Development
8 54 (20.85%) DevOps
9 53 (20.46%) AWS
10 41 (15.83%) Azure
11 39 (15.06%) Ansible
12 36 (13.90%) Shell Script
12 36 (13.90%) JavaScript
12 36 (13.90%) Banking
13 33 (12.74%) Git (software)
14 30 (11.58%) Computer Science
14 30 (11.58%) Degree
15 29 (11.20%) Management Information System
16 28 (10.81%) C++
16 28 (10.81%) OO
16 28 (10.81%) Microsoft
16 28 (10.81%) JIRA
16 28 (10.81%) Continuous Integration
16 28 (10.81%) Bash Shell
17 27 (10.42%) CSS
18 26 (10.04%) Docker
19 25 (9.65%) Information Security
20 24 (9.27%) Fintech
21 23 (8.88%) Front Office

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 16 (6.18%) MQSeries
2 7 (2.70%) Confluence
2 7 (2.70%) SAS
3 4 (1.54%) Apache Spark
3 4 (1.54%) MS Exchange
3 4 (1.54%) OpenStack
4 3 (1.16%) Tomcat
5 2 (0.77%) Apache
5 2 (0.77%) IIS
5 2 (0.77%) SharePoint
5 2 (0.77%) SharePoint Server
6 1 (0.39%) Elasticsearch
6 1 (0.39%) MTS
6 1 (0.39%) Oracle SOA Suite
6 1 (0.39%) Oracle Workflow
6 1 (0.39%) WebLogic
Applications
1 10 (3.86%) Microsoft Office
2 8 (3.09%) Microsoft Excel
3 1 (0.39%) Spreadsheet
Business Applications
1 9 (3.47%) Salerio
2 7 (2.70%) R3 Corda
3 2 (0.77%) Oracle EBS
3 2 (0.77%) Sentinel
4 1 (0.39%) Distributed Ledger
4 1 (0.39%) Oracle Cash Management
4 1 (0.39%) Oracle EBS R12
4 1 (0.39%) Oracle E-Business Tax
4 1 (0.39%) Oracle General Ledger
4 1 (0.39%) Oracle Internet Expenses
4 1 (0.39%) Oracle iProcurement
4 1 (0.39%) Oracle Payables
4 1 (0.39%) Oracle Receivables
4 1 (0.39%) Temenos T24
Cloud Services
1 53 (20.46%) AWS
2 41 (15.83%) Azure
3 16 (6.18%) GCP
4 10 (3.86%) Office 365
5 8 (3.09%) Datadog
6 7 (2.70%) AWS CloudFormation
7 5 (1.93%) IaaS
8 4 (1.54%) DigitalOcean
8 4 (1.54%) Linode
8 4 (1.54%) Serverless
9 3 (1.16%) AWS Lambda
9 3 (1.16%) Virtual Private Cloud
10 2 (0.77%) Amazon CloudWatch
10 2 (0.77%) Amazon ECS
10 2 (0.77%) Amazon Kinesis
10 2 (0.77%) Amazon S3
10 2 (0.77%) Azure Active Directory
10 2 (0.77%) NuGet
10 2 (0.77%) PaaS
10 2 (0.77%) SaaS
Communications & Networking
1 17 (6.56%) Firewall
1 17 (6.56%) TCP/IP
2 11 (4.25%) DNS
2 11 (4.25%) Intrusion Detection
3 10 (3.86%) HTTP
4 6 (2.32%) Network Security
5 5 (1.93%) DHCP
5 5 (1.93%) HTTPS
6 4 (1.54%) VPN
7 3 (1.16%) DMZ
7 3 (1.16%) Internet
7 3 (1.16%) IPsec
7 3 (1.16%) Kerberos
7 3 (1.16%) LAN
7 3 (1.16%) SSL
8 2 (0.77%) Intranet
8 2 (0.77%) WAN
9 1 (0.39%) FTP
9 1 (0.39%) IPv6
9 1 (0.39%) SAN
Database & Business Intelligence
1 20 (7.72%) SQL Server
2 15 (5.79%) MySQL
3 13 (5.02%) SQL Server Integration Services
4 11 (4.25%) DataStage
4 11 (4.25%) Hadoop
4 11 (4.25%) Snowflake Schema
5 10 (3.86%) Big Data
5 10 (3.86%) NoSQL
6 9 (3.47%) Blockchain
7 8 (3.09%) KDB
8 7 (2.70%) Amazon Redshift
8 7 (2.70%) MongoDB
8 7 (2.70%) Oracle Database
8 7 (2.70%) Pentaho
9 4 (1.54%) Relational Database
10 3 (1.16%) Amazon DynamoDB
10 3 (1.16%) Data Warehouse
10 3 (1.16%) SQL Server Reporting Services
11 2 (0.77%) Oracle Reports
11 2 (0.77%) SQL Server Analysis Services
Development Applications
1 33 (12.74%) Git (software)
2 28 (10.81%) JIRA
3 18 (6.95%) Jenkins
4 11 (4.25%) Maven
5 10 (3.86%) Artifactory
6 9 (3.47%) Bitbucket
7 8 (3.09%) Subversion
8 7 (2.70%) Visual Studio
9 5 (1.93%) GCC
9 5 (1.93%) JUnit
10 4 (1.54%) Atlassian Bamboo
10 4 (1.54%) Gradle
11 3 (1.16%) Burp Suite
11 3 (1.16%) Postman
12 2 (0.77%) FishEye
12 2 (0.77%) IntelliJ
12 2 (0.77%) NetBeans
12 2 (0.77%) Oracle Forms
12 2 (0.77%) SonarQube
12 2 (0.77%) Sonatype Nexus
General
1 139 (53.67%) Finance
2 36 (13.90%) Banking
3 23 (8.88%) Front Office
4 22 (8.49%) Financial Institution
5 15 (5.79%) Investment Banking
6 8 (3.09%) Marketing
7 7 (2.70%) Back Office
8 1 (0.39%) Advertising
8 1 (0.39%) General Ledger
8 1 (0.39%) Manufacturing
8 1 (0.39%) Retail
8 1 (0.39%) Retail Banking
8 1 (0.39%) Telecoms
Job Titles
1 78 (30.12%) Developer
2 45 (17.37%) Analyst
3 35 (13.51%) Java Developer
4 29 (11.20%) Support Analyst
5 26 (10.04%) Senior Developer
6 20 (7.72%) Applications Support
6 20 (7.72%) DevOps Engineer
7 16 (6.18%) JavaScript Developer
8 14 (5.41%) Java Programmer
8 14 (5.41%) Programmer
9 13 (5.02%) Applications Support Analyst
9 13 (5.02%) Data Engineer
9 13 (5.02%) Linux Engineer
10 12 (4.63%) Junior
11 11 (4.25%) Informatica Specialist
11 11 (4.25%) Senior Informatica Specialist
11 11 (4.25%) Senior Technical Specialist
11 11 (4.25%) Senior Unix Technical Specialist
11 11 (4.25%) Support Engineer
11 11 (4.25%) Technical Specialist
Libraries, Frameworks & Software Standards
1 27 (10.42%) CSS
2 22 (8.49%) XML
3 21 (8.11%) FIX Protocol
4 18 (6.95%) Elastic Stack
5 16 (6.18%) J2EE
5 16 (6.18%) XSLT
6 15 (5.79%) REST
7 14 (5.41%) .NET
7 14 (5.41%) Dojo
7 14 (5.41%) JSP
7 14 (5.41%) Node.js
8 13 (5.02%) Web Services
9 11 (4.25%) JSON
10 9 (3.47%) HTML
10 9 (3.47%) Regular Expression
11 8 (3.09%) Spring
12 7 (2.70%) LDAP
12 7 (2.70%) Middleware
12 7 (2.70%) React
13 6 (2.32%) Boost C++ Libraries
Miscellaneous
1 29 (11.20%) Management Information System
2 22 (8.49%) Hedge funds
3 19 (7.34%) Equities
4 18 (6.95%) Fixed Income
5 17 (6.56%) Analytical Skills
6 15 (5.79%) SWIFT
7 13 (5.02%) Derivative
8 10 (3.86%) Algorithms
8 10 (3.86%) Self-Motivation
9 9 (3.47%) Data Structures
9 9 (3.47%) Foreign Exchange (FX)
10 8 (3.09%) Linux Command Line
11 6 (2.32%) Cyberthreat
11 6 (2.32%) Greenfield Project
12 5 (1.93%) Mobile Banking
13 4 (1.54%) Cyber Kill Chain
13 4 (1.54%) Enterprise Software
13 4 (1.54%) Public Cloud
13 4 (1.54%) Security Operations Centre
13 4 (1.54%) Virtual Team
Operating Systems
1 182 (70.27%) Linux
2 78 (30.12%) Windows
3 16 (6.18%) Windows Server
4 10 (3.86%) Windows 7
4 10 (3.86%) Windows Server 2008
5 9 (3.47%) Windows 10
6 5 (1.93%) Solaris
7 3 (1.16%) Red Hat Enterprise Linux
7 3 (1.16%) Ubuntu
8 2 (0.77%) CentOS
8 2 (0.77%) Mac OS X
8 2 (0.77%) Windows Server 2012
8 2 (0.77%) Windows Server 2016
9 1 (0.39%) Android
9 1 (0.39%) Debian
9 1 (0.39%) FreeBSD
9 1 (0.39%) Kali Linux
9 1 (0.39%) Mac OS
9 1 (0.39%) Oracle Linux
Processes & Methodologies
1 54 (20.85%) Agile Software Development
1 54 (20.85%) DevOps
2 30 (11.58%) Computer Science
3 28 (10.81%) Continuous Integration
3 28 (10.81%) OO
4 25 (9.65%) Information Security
5 24 (9.27%) Fintech
6 23 (8.88%) Configuration Management
7 22 (8.49%) Problem-Solving
8 21 (8.11%) TDD
9 18 (6.95%) Incident Management
10 17 (6.56%) Analytics
10 17 (6.56%) ETL
10 17 (6.56%) Investment Management
11 16 (6.18%) Artificial Intelligence
11 16 (6.18%) Continuous Delivery
11 16 (6.18%) Microservices
11 16 (6.18%) SIEM
12 15 (5.79%) Pair Programming
12 15 (5.79%) Unit Testing
Programming Languages
1 107 (41.31%) Java
2 102 (39.38%) SQL
3 85 (32.82%) Python
4 36 (13.90%) JavaScript
4 36 (13.90%) Shell Script
5 28 (10.81%) Bash Shell
5 28 (10.81%) C++
6 22 (8.49%) PowerShell
7 17 (6.56%) C#
8 14 (5.41%) C
9 11 (4.25%) PL/SQL
9 11 (4.25%) VBA
10 9 (3.47%) Perl
11 7 (2.70%) Scala
12 5 (1.93%) Java 8
12 5 (1.93%) PHP
12 5 (1.93%) Ruby
13 4 (1.54%) TypeScript
14 3 (1.16%) MATLAB
14 3 (1.16%) R
Qualifications
1 30 (11.58%) Degree
2 15 (5.79%) CISSP
3 14 (5.41%) CISM
4 7 (2.70%) PhD
5 6 (2.32%) CCIE
5 6 (2.32%) CCNA
5 6 (2.32%) CCSA
5 6 (2.32%) CEH
5 6 (2.32%) Cisco Certification
5 6 (2.32%) JNCIA
5 6 (2.32%) TOGAF Certification
6 5 (1.93%) Computer Science Degree
6 5 (1.93%) Master's Degree
6 5 (1.93%) OSCP
7 4 (1.54%) GIAC
8 3 (1.16%) CISA
8 3 (1.16%) Microsoft Certification
8 3 (1.16%) RHCE
8 3 (1.16%) SC Cleared
8 3 (1.16%) Security Cleared
Quality Assurance & Compliance
1 19 (7.34%) QA
2 11 (4.25%) SLA
3 7 (2.70%) GDPR
4 6 (2.32%) ISO/IEC 27001
5 4 (1.54%) Data Quality
6 2 (0.77%) FINRA
7 1 (0.39%) Dodd-Frank
7 1 (0.39%) EMIR
7 1 (0.39%) ISO/IEC 20000
7 1 (0.39%) MiFID
System Software
1 26 (10.04%) Docker
2 18 (6.95%) Active Directory
3 4 (1.54%) VMware Workstation
3 4 (1.54%) Xen
4 3 (1.16%) Firmware
4 3 (1.16%) NFS
4 3 (1.16%) VMware Infrastructure
5 2 (0.77%) Hyper-V
6 1 (0.39%) Cronacle
6 1 (0.39%) OpenAM
6 1 (0.39%) Snort
6 1 (0.39%) VMware ESXi
Systems Management
1 39 (15.06%) Ansible
2 22 (8.49%) Kubernetes
3 20 (7.72%) Terraform
4 19 (7.34%) Puppet
5 14 (5.41%) Opscode Chef
6 10 (3.86%) Nagios
6 10 (3.86%) Salt
7 7 (2.70%) Grafana
7 7 (2.70%) Graphite
8 5 (1.93%) Consul
8 5 (1.93%) Control-M
9 4 (1.54%) Single Sign-On
10 3 (1.16%) Host Intrusion Detection System
10 3 (1.16%) Nessus
11 2 (0.77%) BMC PATROL
11 2 (0.77%) Microsoft Intune
11 2 (0.77%) Prometheus
12 1 (0.39%) Kibana
12 1 (0.39%) QRadar
12 1 (0.39%) Rancher
Vendors
1 58 (22.39%) Oracle
2 28 (10.81%) Microsoft
3 18 (6.95%) Google
4 16 (6.18%) Sybase
5 14 (5.41%) Informatica
5 14 (5.41%) VMware
6 12 (4.63%) ServiceNow
7 9 (3.47%) Atlassian
8 8 (3.09%) Bloomberg
8 8 (3.09%) Red Hat
9 7 (2.70%) Cloudera
10 6 (2.32%) Remedy
11 5 (1.93%) Perforce
11 5 (1.93%) Reuters
11 5 (1.93%) Splunk
12 3 (1.16%) F5
12 3 (1.16%) Tanium
12 3 (1.16%) Tradeweb
13 2 (0.77%) CyberArk
13 2 (0.77%) Qualys