Period
to

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 1 July 2022 with a comparison to the same period in the previous 2 years.

Unix
Central London > City of London
6 months to
1 Jul 2022
Same period 2021 Same period 2020
Rank 131 102 105
Rank change year-on-year -29 +3 -18
Permanent jobs citing Unix 200 156 167
As % of all permanent jobs advertised in the City of London 2.48% 2.88% 2.76%
As % of the Operating Systems category 16.29% 19.14% 13.52%
Number of salaries quoted 166 135 138
10th Percentile £47,500 £52,500 £51,600
25th Percentile £56,250 £57,500 £60,000
Median annual salary (50th Percentile) £80,000 £75,000 £73,750
Median % change year-on-year +6.67% +1.69% +5.36%
75th Percentile £103,750 £93,750 £86,250
90th Percentile £112,500 £108,750 £104,875
Central London median annual salary £80,000 £75,000 £73,000
% change year-on-year +6.67% +2.74% +4.29%

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 1,228 815 1,235
As % of all permanent IT jobs advertised in the City of London 15.25% 15.03% 20.38%
Number of salaries quoted 960 719 1,083
10th Percentile £35,700 £40,500 £31,250
25th Percentile £46,250 £51,250 £45,000
Median annual salary (50th Percentile) £67,500 £67,500 £65,000
Median % change year-on-year - +3.85% +4.00%
75th Percentile £90,313 £86,875 £77,500
90th Percentile £107,500 £98,750 £91,250
Central London median annual salary £65,000 £65,000 £65,000
% change year-on-year - - +8.33%

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 1 July 2022.

Salary histogram for Unix in the City of London

For the 6 months to 1 July 2022, 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.

1 148 (74.00%) Linux
2 96 (48.00%) Java
3 89 (44.50%) SQL
4 88 (44.00%) Python
5 70 (35.00%) Finance
6 52 (26.00%) Windows
7 51 (25.50%) CI/CD
8 48 (24.00%) Oracle
9 46 (23.00%) AWS
10 45 (22.50%) Multithreading
11 40 (20.00%) Azure
11 40 (20.00%) C#
11 40 (20.00%) Agile
12 36 (18.00%) Front Office
13 32 (16.00%) Fixed Income
14 31 (15.50%) Analytics
15 29 (14.50%) TDD
16 27 (13.50%) Shell Script
16 27 (13.50%) Cucumber
16 27 (13.50%) Git (software)
17 26 (13.00%) QA
17 26 (13.00%) Cybersecurity
17 26 (13.00%) Low Latency
17 26 (13.00%) REST
17 26 (13.00%) Data Warehouse
17 26 (13.00%) ETL
18 24 (12.00%) Data Modelling
18 24 (12.00%) DevOps
19 23 (11.50%) Test Automation
19 23 (11.50%) Social Skills

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 17 (8.50%) Jetty
2 15 (7.50%) Apache Spark
3 6 (3.00%) JBoss
3 6 (3.00%) Tomcat
4 5 (2.50%) Apache
5 4 (2.00%) Confluence
5 4 (2.00%) SharePoint
5 4 (2.00%) WebLogic
6 3 (1.50%) Appian
6 3 (1.50%) Oracle Workflow
6 3 (1.50%) SAS
7 2 (1.00%) IIS
8 1 (0.50%) MQSeries
8 1 (0.50%) nginx
8 1 (0.50%) Skype for Business
Applications
1 3 (1.50%) Microsoft Office
Business Applications
1 5 (2.50%) Fidessa
2 3 (1.50%) Dynamics CRM
2 3 (1.50%) ION MarketView
2 3 (1.50%) Remedy ITSM
2 3 (1.50%) Temenos T24
3 1 (0.50%) Payment Gateway
3 1 (0.50%) Summit
Cloud Services
1 46 (23.00%) AWS
2 40 (20.00%) Azure
3 11 (5.50%) Microsoft 365
4 10 (5.00%) Amazon EC2
4 10 (5.00%) GCP
4 10 (5.00%) Snowflake
5 6 (3.00%) IaaS
6 5 (2.50%) Amazon S3
6 5 (2.50%) AWS CloudFormation
6 5 (2.50%) Serverless
6 5 (2.50%) Virtual Private Cloud
7 4 (2.00%) Power Platform
8 3 (1.50%) Amazon CloudWatch
8 3 (1.50%) Amazon ECS
8 3 (1.50%) AWS Lambda
8 3 (1.50%) Azure Active Directory
8 3 (1.50%) Collibra
8 3 (1.50%) GitHub
8 3 (1.50%) OpenShift
8 3 (1.50%) PaaS
Communications & Networking
1 10 (5.00%) Firewall
2 7 (3.50%) LAN
2 7 (3.50%) TCP/IP
2 7 (3.50%) VPN
3 6 (3.00%) DNS
3 6 (3.00%) Internet
3 6 (3.00%) WAN
4 5 (2.50%) Network Security
5 4 (2.00%) HTTP
5 4 (2.00%) Wi-Fi
6 3 (1.50%) Cisco ASA
6 3 (1.50%) SMTP
7 2 (1.00%) Cisco Firepower
7 2 (1.00%) Intrusion Detection
7 2 (1.00%) IPsec
7 2 (1.00%) MPLS
7 2 (1.00%) SSH
8 1 (0.50%) BGP
8 1 (0.50%) EIGRP
8 1 (0.50%) OSPF
Database & Business Intelligence
1 26 (13.00%) Data Warehouse
2 20 (10.00%) SQL Server
3 18 (9.00%) Big Data
4 15 (7.50%) PostgreSQL
5 14 (7.00%) Apache Hive
5 14 (7.00%) Relational Database
6 13 (6.50%) MongoDB
6 13 (6.50%) MySQL
7 12 (6.00%) Amazon Redshift
8 11 (5.50%) KDB
9 10 (5.00%) Hadoop
10 8 (4.00%) Apache Cassandra
11 7 (3.50%) Enterprise Data Warehouse
11 7 (3.50%) Impala
12 6 (3.00%) Oracle Database
13 5 (2.50%) NoSQL
14 4 (2.00%) Apache Ignite
14 4 (2.00%) Power BI
14 4 (2.00%) RDBMS
14 4 (2.00%) SQL Server Integration Services
Development Applications
1 27 (13.50%) Cucumber
1 27 (13.50%) Git (software)
2 19 (9.50%) JUnit
2 19 (9.50%) Maven
3 18 (9.00%) Bitbucket
4 17 (8.50%) Ant
4 17 (8.50%) Apache Ivy
4 17 (8.50%) Concordion
4 17 (8.50%) Gradle
4 17 (8.50%) Mockito
5 13 (6.50%) GitLab
6 12 (6.00%) JIRA
7 10 (5.00%) REST Assured
7 10 (5.00%) Selenium
7 10 (5.00%) SoapUI
8 9 (4.50%) Jenkins
9 3 (1.50%) WiX
10 2 (1.00%) Grunt
10 2 (1.00%) gulp
11 1 (0.50%) Artifactory
General
1 70 (35.00%) Finance
2 36 (18.00%) Front Office
3 23 (11.50%) Social Skills
4 19 (9.50%) Advertising
5 18 (9.00%) Banking
6 14 (7.00%) Analytical Skills
7 13 (6.50%) Financial Institution
8 7 (3.50%) Back Office
8 7 (3.50%) Investment Banking
8 7 (3.50%) Public Sector
9 5 (2.50%) Retail
10 4 (2.00%) Legal
10 4 (2.00%) Manufacturing
11 3 (1.50%) Italian Language
11 3 (1.50%) Law
11 3 (1.50%) Telecoms
12 2 (1.00%) Corporate Banking
12 2 (1.00%) Marketing
13 1 (0.50%) Documentation Skills
13 1 (0.50%) Inclusion and Diversity
Job Titles
1 66 (33.00%) Developer
2 50 (25.00%) Java Developer
3 30 (15.00%) Senior Developer
4 27 (13.50%) Senior Java Developer
5 21 (10.50%) Architect
6 20 (10.00%) Analyst
7 19 (9.50%) Senior Architect
8 17 (8.50%) Java Pricing Developer
8 17 (8.50%) Pricing Developer
9 16 (8.00%) Java Architect
9 16 (8.00%) Senior Java Architect
10 14 (7.00%) Data Engineer
11 12 (6.00%) Automation Engineer
11 12 (6.00%) Support Analyst
11 12 (6.00%) Support Engineer
12 11 (5.50%) QA Automation Engineer
12 11 (5.50%) QA Engineer
13 10 (5.00%) Applications Support
13 10 (5.00%) Applications Support Analyst
14 7 (3.50%) Systems Engineer
Libraries, Frameworks & Software Standards
1 26 (13.00%) REST
2 22 (11.00%) FIX Protocol
3 20 (10.00%) Web Services
4 18 (9.00%) JMS
5 17 (8.50%) JAX-RS
5 17 (8.50%) JDBC
5 17 (8.50%) JPA
5 17 (8.50%) JSON
5 17 (8.50%) Swagger
5 17 (8.50%) XML
6 15 (7.50%) Spring
7 10 (5.00%) .NET
7 10 (5.00%) Gherkin
8 5 (2.50%) Hibernate
8 5 (2.50%) HTML
8 5 (2.50%) HTML5
9 4 (2.00%) J2EE
9 4 (2.00%) Kafka
9 4 (2.00%) Oracle Fusion
9 4 (2.00%) React
Miscellaneous
1 32 (16.00%) Fixed Income
2 20 (10.00%) Derivative
3 14 (7.00%) Equities
4 13 (6.50%) Data Structures
5 10 (5.00%) Algorithms
5 10 (5.00%) Hedge funds
6 8 (4.00%) Grid Computing
6 8 (4.00%) Public Cloud
7 7 (3.50%) Linux Command Line
7 7 (3.50%) Management Information System
7 7 (3.50%) Virtual Team
8 4 (2.00%) Data Centre
9 3 (1.50%) AS400
9 3 (1.50%) Enterprise Software
9 3 (1.50%) Foreign Exchange (FX)
9 3 (1.50%) Hybrid Cloud
9 3 (1.50%) RSA SecurID
9 3 (1.50%) VAX
10 2 (1.00%) Credit Risk
10 2 (1.00%) Life Science
Operating Systems
1 148 (74.00%) Linux
2 52 (26.00%) Windows
3 13 (6.50%) Windows Server
4 9 (4.50%) Solaris
5 8 (4.00%) Red Hat Enterprise Linux
6 4 (2.00%) Ubuntu
7 3 (1.50%) CentOS
7 3 (1.50%) HPUX
7 3 (1.50%) VMS
8 1 (0.50%) FreeBSD
8 1 (0.50%) Oracle Linux
8 1 (0.50%) Windows 10
Processes & Methodologies
1 51 (25.50%) CI/CD
2 45 (22.50%) Multithreading
3 40 (20.00%) Agile
4 31 (15.50%) Analytics
5 29 (14.50%) TDD
6 26 (13.00%) Cybersecurity
6 26 (13.00%) ETL
6 26 (13.00%) Low Latency
7 24 (12.00%) Data Modelling
7 24 (12.00%) DevOps
8 23 (11.50%) Problem-Solving
8 23 (11.50%) Test Automation
9 21 (10.50%) Business Intelligence
9 21 (10.50%) Computer Science
9 21 (10.50%) Risk Management
10 20 (10.00%) Line Management
10 20 (10.00%) Multithreaded Programming
11 19 (9.50%) BDD
12 18 (9.00%) Software Engineering
13 17 (8.50%) API Design
Programming Languages
1 96 (48.00%) Java
2 89 (44.50%) SQL
3 88 (44.00%) Python
4 40 (20.00%) C#
5 27 (13.50%) Shell Script
6 21 (10.50%) Scala
7 16 (8.00%) Perl
8 15 (7.50%) PowerShell
9 13 (6.50%) JavaScript
10 11 (5.50%) Bash
11 10 (5.00%) PL/SQL
12 8 (4.00%) Ruby
13 7 (3.50%) Go
13 7 (3.50%) HiveQL
14 3 (1.50%) C
14 3 (1.50%) C++
15 2 (1.00%) Groovy
15 2 (1.00%) Objective-C
16 1 (0.50%) Kotlin
16 1 (0.50%) T-SQL
Qualifications
1 19 (9.50%) Degree
2 11 (5.50%) Computer Science Degree
3 6 (3.00%) Microsoft Certification
3 6 (3.00%) SC Cleared
3 6 (3.00%) Security Cleared
4 4 (2.00%) CCNA
4 4 (2.00%) Cisco Certification
5 3 (1.50%) MCITP
5 3 (1.50%) MCSA
5 3 (1.50%) MCTS
5 3 (1.50%) PMP
6 2 (1.00%) CISM
6 2 (1.00%) CREST Certified
6 2 (1.00%) Cyber Scheme
6 2 (1.00%) DV Cleared
6 2 (1.00%) GIAC
6 2 (1.00%) GPEN
6 2 (1.00%) ITIL Certification
6 2 (1.00%) OSCP
6 2 (1.00%) SANS
Quality Assurance & Compliance
1 26 (13.00%) QA
2 14 (7.00%) Data Quality
2 14 (7.00%) SLA
3 4 (2.00%) GDPR
3 4 (2.00%) ISO/IEC 20000
4 2 (1.00%) Accessibility
5 1 (0.50%) ISO/IEC 27001
5 1 (0.50%) NIST
System Software
1 14 (7.00%) Active Directory
2 8 (4.00%) Docker
3 7 (3.50%) HDFS
4 5 (2.50%) VMware Infrastructure
5 3 (1.50%) Hyper-V
5 3 (1.50%) Virtual Servers
5 3 (1.50%) VMware NSX
6 2 (1.00%) Virtual Machines
6 2 (1.00%) XenApp
7 1 (0.50%) Virtual Desktop
7 1 (0.50%) VMware ESXi
7 1 (0.50%) VMware Workstation
7 1 (0.50%) XenDesktop
Systems Management
1 19 (9.50%) Ansible
2 11 (5.50%) Kubernetes
3 10 (5.00%) Puppet
4 7 (3.50%) Terraform
5 5 (2.50%) Control-M
6 4 (2.00%) Opscode Chef
6 4 (2.00%) SCCM
7 3 (1.50%) Backup Exec
7 3 (1.50%) BMC PATROL
7 3 (1.50%) EMC NetWorker
7 3 (1.50%) FortiGate
7 3 (1.50%) HP SIM
7 3 (1.50%) Microsoft Intune
7 3 (1.50%) NetBackup
7 3 (1.50%) Netcool
7 3 (1.50%) NetVault Backup
7 3 (1.50%) OpenView
7 3 (1.50%) Tivoli
7 3 (1.50%) Tivoli NetView
8 2 (1.00%) Kibana
Vendors
1 48 (24.00%) Oracle
2 22 (11.00%) Microsoft
3 16 (8.00%) Informatica
4 12 (6.00%) VMware
5 10 (5.00%) IBM
5 10 (5.00%) Talend
6 7 (3.50%) Red Hat
6 7 (3.50%) Sybase
6 7 (3.50%) Veritas
7 6 (3.00%) Citrix
7 6 (3.00%) Google
7 6 (3.00%) Remedy
8 5 (2.50%) HP
9 4 (2.00%) ION Trading
9 4 (2.00%) SolarWinds
10 3 (1.50%) Alteryx
10 3 (1.50%) Cloudera
10 3 (1.50%) Hortonworks
10 3 (1.50%) Palo Alto
10 3 (1.50%) ServiceNow