Period
to 17 January 2022

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 17 January 2022 with a comparison to the same period in the previous 2 years.

Unix
Central London > City of London
6 months to
17 Jan 2022
Same period 2021 Same period 2020
Rank 99 111 82
Rank change year-on-year +12 -29 +11
Permanent jobs citing Unix 180 105 317
As % of all permanent jobs advertised in the City of London 2.95% 2.50% 3.46%
As % of the Operating Systems category 16.57% 14.75% 16.37%
Number of salaries quoted 176 96 256
10th Percentile £47,500 £48,750 £47,500
25th Percentile £57,500 £60,000 £57,500
Median annual salary (50th Percentile) £70,000 £70,000 £75,000
Median % change year-on-year - -6.67% +7.14%
75th Percentile £87,813 £83,438 £97,500
90th Percentile £112,500 £91,250 £120,000
Central London median annual salary £70,000 £70,000 £75,000
% change year-on-year - -6.67% +7.14%

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 1,086 712 1,936
As % of all permanent IT jobs advertised in the City of London 17.82% 16.92% 21.12%
Number of salaries quoted 961 635 1,643
10th Percentile £32,750 £35,650 £27,500
25th Percentile £46,250 £47,500 £40,000
Median annual salary (50th Percentile) £65,000 £65,000 £60,000
Median % change year-on-year - +8.33% -
75th Percentile £85,000 £78,750 £80,000
90th Percentile £103,750 £92,500 £97,500
Central London median annual salary £62,000 £63,750 £60,000
% change year-on-year -2.75% +6.25% -

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 17 January 2022.

Salary histogram for Unix in the City of London

For the 6 months to 17 January 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.

1 105 (58.33%) Linux
2 78 (43.33%) Python
3 72 (40.00%) Java
4 67 (37.22%) Finance
5 65 (36.11%) SQL
6 52 (28.89%) AWS
7 44 (24.44%) DevOps
8 43 (23.89%) Azure
9 42 (23.33%) Oracle
10 39 (21.67%) Windows
11 38 (21.11%) Analytics
12 34 (18.89%) Agile Software Development
13 32 (17.78%) Terraform
14 27 (15.00%) Front Office
15 26 (14.44%) Multithreading
15 26 (14.44%) Bash
16 25 (13.89%) Banking
17 24 (13.33%) Scrum
18 23 (12.78%) Software Engineering
18 23 (12.78%) FIX Protocol
18 23 (12.78%) Hadoop
18 23 (12.78%) Mentoring
18 23 (12.78%) Windows Server
19 21 (11.67%) Cybersecurity
19 21 (11.67%) JIRA
19 21 (11.67%) Investment Management
19 21 (11.67%) PostgreSQL
19 21 (11.67%) Data Warehouse
20 20 (11.11%) Process Improvement
20 20 (11.11%) AWS CloudFormation

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 19 (10.56%) SAS
2 8 (4.44%) Confluence
3 7 (3.89%) Oracle Workflow
4 5 (2.78%) Jetty
5 4 (2.22%) Apache Spark
5 4 (2.22%) Appian
5 4 (2.22%) SharePoint
6 2 (1.11%) Apache
6 2 (1.11%) Apache Airflow
7 1 (0.56%) IIS
7 1 (0.56%) OpenStack
Applications
1 1 (0.56%) Microsoft Excel
Business Applications
1 6 (3.33%) Remedy ITSM
2 2 (1.11%) Temenos Globus
2 2 (1.11%) Temenos T24
3 1 (0.56%) Bloomberg TOMS
3 1 (0.56%) Oracle EBS
3 1 (0.56%) Oracle EBS R12
3 1 (0.56%) Salerio
Cloud Services
1 52 (28.89%) AWS
2 43 (23.89%) Azure
3 20 (11.11%) AWS CloudFormation
4 15 (8.33%) Amazon ECS
5 14 (7.78%) IaaS
5 14 (7.78%) Serverless
6 11 (6.11%) Amazon EC2
7 10 (5.56%) AWS Lambda
7 10 (5.56%) GCP
7 10 (5.56%) Virtual Private Cloud
8 9 (5.00%) AWS Fargate
8 9 (5.00%) Microsoft 365
9 8 (4.44%) PaaS
10 6 (3.33%) Amazon CloudWatch
10 6 (3.33%) Azure Active Directory
11 5 (2.78%) Amazon S3
11 5 (2.78%) Power Platform
12 4 (2.22%) Amazon EMR
12 4 (2.22%) Amazon Kinesis
12 4 (2.22%) Collibra
Communications & Networking
1 17 (9.44%) DNS
2 5 (2.78%) Network Security
3 3 (1.67%) LAN
3 3 (1.67%) WAN
4 2 (1.11%) Cisco ASA
4 2 (1.11%) DHCP
4 2 (1.11%) Firewall
4 2 (1.11%) Kerberos
4 2 (1.11%) VPN
4 2 (1.11%) Wi-Fi
5 1 (0.56%) Cisco IOS
5 1 (0.56%) Cisco IPT
5 1 (0.56%) DMZ
5 1 (0.56%) EIGRP
5 1 (0.56%) Internet
5 1 (0.56%) IP Telephony
5 1 (0.56%) IPsec
5 1 (0.56%) MPLS
5 1 (0.56%) RSVP
5 1 (0.56%) VPLS
Database & Business Intelligence
1 23 (12.78%) Hadoop
2 21 (11.67%) Data Warehouse
2 21 (11.67%) PostgreSQL
3 16 (8.89%) Amazon Redshift
4 13 (7.22%) Oracle Database
5 11 (6.11%) MySQL
5 11 (6.11%) Pentaho
6 10 (5.56%) Apache Hive
6 10 (5.56%) Impala
7 9 (5.00%) SQL Server
8 7 (3.89%) Big Data
8 7 (3.89%) Relational Database
9 6 (3.33%) Tableau
10 5 (2.78%) Amazon RDS
10 5 (2.78%) DB2
10 5 (2.78%) NoSQL
10 5 (2.78%) Power BI
10 5 (2.78%) SAS Visual Analytics
11 4 (2.22%) Ataccama
12 3 (1.67%) SAS Data Integration Studio
Development Applications
1 21 (11.67%) JIRA
2 11 (6.11%) Git (software)
3 10 (5.56%) Bitbucket
4 9 (5.00%) Jenkins
5 8 (4.44%) Cucumber
6 6 (3.33%) Gradle
6 6 (3.33%) JUnit
6 6 (3.33%) Maven
7 5 (2.78%) Ant
7 5 (2.78%) Apache Ivy
7 5 (2.78%) Concordion
7 5 (2.78%) Mockito
8 4 (2.22%) Atlassian Bamboo
8 4 (2.22%) GitLab
9 3 (1.67%) REST Assured
9 3 (1.67%) Selenium
9 3 (1.67%) Sonatype Nexus
10 2 (1.11%) Artifactory
10 2 (1.11%) RStudio
11 1 (0.56%) TestNG
General
1 67 (37.22%) Finance
2 27 (15.00%) Front Office
3 25 (13.89%) Banking
4 14 (7.78%) Investment Banking
5 13 (7.22%) Public Sector
5 13 (7.22%) Social Skills
6 10 (5.56%) Advertising
7 9 (5.00%) Corporate Banking
8 6 (3.33%) Financial Institution
8 6 (3.33%) Italian Language
9 5 (2.78%) Back Office
10 3 (1.67%) Analytical Skills
11 2 (1.11%) Retail
12 1 (0.56%) Law
12 1 (0.56%) Publishing
Job Titles
1 27 (15.00%) Developer
2 21 (11.67%) Linux Engineer
3 18 (10.00%) Architect
4 17 (9.44%) Analyst
4 17 (9.44%) Applications Support
4 17 (9.44%) Support Engineer
5 16 (8.89%) Java Developer
5 16 (8.89%) Senior Developer
6 14 (7.78%) Data Engineer
7 13 (7.22%) Applications Support Analyst
7 13 (7.22%) DevOps Engineer
7 13 (7.22%) Infrastructure Engineer
7 13 (7.22%) Linux Support
7 13 (7.22%) Linux Support Engineer
7 13 (7.22%) Support Analyst
7 13 (7.22%) Support Specialist
8 12 (6.67%) FIX Specialist
9 11 (6.11%) Senior Architect
9 11 (6.11%) Unix Specialist
9 11 (6.11%) Unix Support Specialist
Libraries, Frameworks & Software Standards
1 23 (12.78%) FIX Protocol
2 16 (8.89%) REST
3 11 (6.11%) JSON
4 9 (5.00%) Spring
5 8 (4.44%) Kafka
6 6 (3.33%) JMS
7 5 (2.78%) JAX-RS
7 5 (2.78%) JDBC
7 5 (2.78%) JPA
7 5 (2.78%) Swagger
7 5 (2.78%) Web Services
7 5 (2.78%) XML
8 3 (1.67%) .NET
8 3 (1.67%) ARM Templates
8 3 (1.67%) Gherkin
8 3 (1.67%) Play Framework
9 2 (1.11%) Apache Beam
9 2 (1.11%) J2EE
9 2 (1.11%) LDAP
9 2 (1.11%) Velocity
Miscellaneous
1 19 (10.56%) Equities
2 16 (8.89%) Fixed Income
3 14 (7.78%) Hedge funds
4 10 (5.56%) Derivative
5 7 (3.89%) Data Structures
6 6 (3.33%) Enterprise Cloud
7 5 (2.78%) Enterprise Software
7 5 (2.78%) SWIFT
8 4 (2.22%) Foreign Exchange (FX)
8 4 (2.22%) Hybrid Cloud
8 4 (2.22%) Self-Motivation
9 3 (1.67%) Data Centre
9 3 (1.67%) Public Cloud
10 2 (1.11%) Algorithms
10 2 (1.11%) Cloud Native
10 2 (1.11%) Data Protection Act
10 2 (1.11%) Eurex
10 2 (1.11%) Grid Computing
10 2 (1.11%) Management Information System
11 1 (0.56%) Replication
Operating Systems
1 105 (58.33%) Linux
2 39 (21.67%) Windows
3 23 (12.78%) Windows Server
4 6 (3.33%) Red Hat Enterprise Linux
4 6 (3.33%) Windows Server 2016
5 3 (1.67%) Solaris
6 2 (1.11%) AIX
6 2 (1.11%) CentOS
6 2 (1.11%) Ubuntu
7 1 (0.56%) Debian
7 1 (0.56%) Mac OS
7 1 (0.56%) Windows 10
7 1 (0.56%) Windows 7
7 1 (0.56%) Windows Server 2008
Processes & Methodologies
1 44 (24.44%) DevOps
2 38 (21.11%) Analytics
3 34 (18.89%) Agile Software Development
4 26 (14.44%) Multithreading
5 24 (13.33%) Scrum
6 23 (12.78%) Mentoring
6 23 (12.78%) Software Engineering
7 21 (11.67%) Cybersecurity
7 21 (11.67%) Investment Management
8 20 (11.11%) Process Improvement
9 19 (10.56%) Coaching
9 19 (10.56%) ITIL
9 19 (10.56%) Requirements Gathering
9 19 (10.56%) Software Testing
10 18 (10.00%) Data Management
10 18 (10.00%) Software Delivery
11 17 (9.44%) Data Modelling
12 16 (8.89%) ETL
13 15 (8.33%) Fintech
13 15 (8.33%) Infrastructure Engineering
Programming Languages
1 78 (43.33%) Python
2 72 (40.00%) Java
3 65 (36.11%) SQL
4 26 (14.44%) Bash
5 19 (10.56%) PowerShell
6 13 (7.22%) PL/SQL
6 13 (7.22%) Shell Script
7 12 (6.67%) Perl
8 10 (5.56%) HiveQL
9 7 (3.89%) C#
10 5 (2.78%) Go
10 5 (2.78%) JavaScript
11 3 (1.67%) C++
11 3 (1.67%) Scala
12 2 (1.11%) R
12 2 (1.11%) Ruby
13 1 (0.56%) Groovy
13 1 (0.56%) Kotlin
13 1 (0.56%) Objective-C
13 1 (0.56%) T-SQL
Qualifications
1 14 (7.78%) Degree
2 6 (3.33%) PMP
2 6 (3.33%) SAS Certification
3 4 (2.22%) AWS Certification
3 4 (2.22%) SC Cleared
3 4 (2.22%) Security Cleared
4 3 (1.67%) CHECK Team Member
4 3 (1.67%) Computer Science Degree
4 3 (1.67%) ITIL Certification
5 1 (0.56%) CCNA
5 1 (0.56%) CCNP
5 1 (0.56%) Cisco Certification
5 1 (0.56%) CREST Certified
5 1 (0.56%) Cyber Scheme
5 1 (0.56%) GIAC
5 1 (0.56%) JNCIP
5 1 (0.56%) Master's Degree
5 1 (0.56%) RHCE
5 1 (0.56%) RHCSA
5 1 (0.56%) SANS
Quality Assurance & Compliance
1 6 (3.33%) QA
2 5 (2.78%) Data Quality
3 2 (1.11%) GDPR
4 1 (0.56%) Sarbanes-Oxley
4 1 (0.56%) SLA
System Software
1 19 (10.56%) Active Directory
2 12 (6.67%) Docker
3 10 (5.56%) HDFS
4 6 (3.33%) Hyper-V
4 6 (3.33%) Microsoft App-V
4 6 (3.33%) XenApp
5 4 (2.22%) VMware Infrastructure
6 3 (1.67%) Virtual Desktop
7 2 (1.11%) Samba
7 2 (1.11%) vSphere
Systems Management
1 32 (17.78%) Terraform
2 16 (8.89%) Ansible
3 10 (5.56%) Kubernetes
4 9 (5.00%) Nagios
5 8 (4.44%) SCOM
6 6 (3.33%) EdgeSight
6 6 (3.33%) SCCM
6 6 (3.33%) SCOrch
6 6 (3.33%) SCVMM
7 3 (1.67%) Control-M
7 3 (1.67%) Puppet
8 2 (1.11%) Ambari
8 2 (1.11%) Automic
8 2 (1.11%) Grafana
8 2 (1.11%) Hadoop YARN
8 2 (1.11%) Prometheus
8 2 (1.11%) vRealize Orchestrator
9 1 (0.56%) Red Hat Satellite
9 1 (0.56%) Rundeck
9 1 (0.56%) Zipkin
Vendors
1 42 (23.33%) Oracle
2 18 (10.00%) Microsoft
3 17 (9.44%) Google
4 15 (8.33%) Informatica
5 12 (6.67%) ServiceNow
6 11 (6.11%) Talend
7 10 (5.56%) Citrix
7 10 (5.56%) VMware
8 8 (4.44%) Splunk
9 6 (3.33%) Cloudera
9 6 (3.33%) Hortonworks
9 6 (3.33%) HP
9 6 (3.33%) Remedy
10 5 (2.78%) Teradata
11 4 (2.22%) Alteryx
11 4 (2.22%) Atlassian
11 4 (2.22%) Cisco
11 4 (2.22%) Red Hat
11 4 (2.22%) Trayport
12 3 (1.67%) DataFlux