Period
to 21 September 2021

The following table provides summary statistics for permanent job vacancies advertised in Central 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 21 September 2021 with a comparison to the same period in the previous 2 years.

Unix
London > Central London
6 months to
21 Sep 2021
Same period 2020 Same period 2019
Rank 114 86 90
Rank change year-on-year -28 +4 +4
Permanent jobs citing Unix 175 146 428
As % of all permanent jobs advertised in Central London 2.57% 3.26% 3.35%
As % of the Operating Systems category 16.06% 15.37% 14.12%
Number of salaries quoted 159 128 361
10th Percentile £47,500 £49,250 £42,500
25th Percentile £57,500 £62,500 £52,500
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - -
75th Percentile £95,000 £81,563 £90,000
90th Percentile £105,750 £91,250 £103,750
London median annual salary £71,750 £70,000 £70,000
% change year-on-year +2.50% - +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 Central London with a requirement for operating system skills.

All Operating Systems
Central London
Permanent vacancies with a requirement for operating system skills 1,090 950 3,032
As % of all permanent IT jobs advertised in Central London 15.99% 21.19% 23.73%
Number of salaries quoted 987 836 2,664
10th Percentile £32,500 £35,000 £28,250
25th Percentile £43,375 £47,500 £42,000
Median annual salary (50th Percentile) £62,500 £65,000 £60,000
Median % change year-on-year -3.85% +8.33% -
75th Percentile £85,000 £77,500 £78,750
90th Percentile £97,500 £93,125 £92,500
London median annual salary £65,000 £65,000 £60,000
% change year-on-year - +8.33% +4.35%

Unix
Job Vacancy Trend in Central London

Job postings citing Unix as a proportion of all IT jobs advertised in Central London.

Job vacancy trend for Unix in Central London

Unix
Salary Trend in Central London

3-month moving average salary quoted in jobs citing Unix in Central London.

Salary trend for Unix in Central London

Unix
Salary Histogram in Central London

Salary distribution for jobs citing Unix in Central London over the 6 months to 21 September 2021.

Salary histogram for Unix in Central London

Unix
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the Central London region over the 6 months to 21 September 2021. 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
City of London -25 158 £75,000 +7.14% 52
City of Westminster - 2 £95,000 -
Kensington and Chelsea - 2 £85,000 -
Camden - 1 - -
Unix
London

For the 6 months to 21 September 2021, 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 Central London region with a requirement for Unix.

1 117 (66.86%) Linux
2 93 (53.14%) Finance
3 88 (50.29%) Python
4 70 (40.00%) Java
4 70 (40.00%) AWS
5 57 (32.57%) Windows
6 51 (29.14%) SQL
7 49 (28.00%) DevOps
8 39 (22.29%) Agile Software Development
9 33 (18.86%) Terraform
10 30 (17.14%) Azure
11 28 (16.00%) Banking
12 27 (15.43%) Oracle
12 27 (15.43%) Docker
12 27 (15.43%) SDLC
13 26 (14.86%) Site Reliability Engineering
14 25 (14.29%) Low Latency
14 25 (14.29%) Software Engineering
15 24 (13.71%) C++
15 24 (13.71%) Ansible
16 22 (12.57%) OOD
16 22 (12.57%) QA
16 22 (12.57%) Multithreading
17 21 (12.00%) Advertising
17 21 (12.00%) Front Office
18 20 (11.43%) Data Warehouse
18 20 (11.43%) JIRA
18 20 (11.43%) Jenkins
18 20 (11.43%) Test Automation
19 19 (10.86%) Bash Shell

Unix
Co-occurring IT Skills in Central 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 13 (7.43%) SAS
2 5 (2.86%) Apache Spark
2 5 (2.86%) Confluence
2 5 (2.86%) Elasticsearch
3 3 (1.71%) Apache Airflow
3 3 (1.71%) WebSphere
4 2 (1.14%) Appian
4 2 (1.14%) OpenStack
5 1 (0.57%) Apache
5 1 (0.57%) Oracle Workflow
Applications
1 1 (0.57%) Microsoft Excel
Business Applications
1 3 (1.71%) Temenos T24
2 1 (0.57%) Bloomberg TOMS
2 1 (0.57%) Oracle EBS
2 1 (0.57%) Oracle EBS R12
2 1 (0.57%) Salerio
2 1 (0.57%) SAP HCM
2 1 (0.57%) SunGard Martini
2 1 (0.57%) Temenos Globus
Cloud Services
1 70 (40.00%) AWS
2 30 (17.14%) Azure
3 15 (8.57%) Amazon EC2
4 14 (8.00%) Amazon S3
4 14 (8.00%) AWS Lambda
4 14 (8.00%) Serverless
5 13 (7.43%) AWS CloudFormation
6 12 (6.86%) GCP
7 7 (4.00%) Amazon ECS
7 7 (4.00%) AWS Fargate
8 4 (2.29%) Amazon EMR
8 4 (2.29%) Amazon Kinesis
8 4 (2.29%) Azure Active Directory
8 4 (2.29%) Microsoft 365
8 4 (2.29%) Snowflake
8 4 (2.29%) Virtual Private Cloud
9 3 (1.71%) SaaS
10 2 (1.14%) Collibra
10 2 (1.14%) GitHub
10 2 (1.14%) Power Platform
Communications & Networking
1 19 (10.86%) DNS
2 14 (8.00%) TCP/IP
3 7 (4.00%) LAN
4 5 (2.86%) DHCP
4 5 (2.86%) IPv4
4 5 (2.86%) IPv6
4 5 (2.86%) Radio Access Network
4 5 (2.86%) SNMP
4 5 (2.86%) tcpdump
4 5 (2.86%) Wireshark
5 4 (2.29%) Firewall
6 3 (1.71%) SSH
6 3 (1.71%) WAN
7 2 (1.14%) Internet
7 2 (1.14%) Intrusion Detection
7 2 (1.14%) Network Security
7 2 (1.14%) VPN
8 1 (0.57%) Cisco ASA
8 1 (0.57%) iSCSI
8 1 (0.57%) Wireless
Database & Business Intelligence
1 20 (11.43%) Data Warehouse
2 17 (9.71%) SQL Server
3 14 (8.00%) PostgreSQL
4 13 (7.43%) Hadoop
5 12 (6.86%) KDB
6 11 (6.29%) Relational Database
6 11 (6.29%) SQL Server Integration Services
6 11 (6.29%) SQL Server Reporting Services
7 10 (5.71%) MySQL
8 8 (4.57%) Amazon Redshift
9 7 (4.00%) Oracle Database
10 6 (3.43%) Amazon RDS
10 6 (3.43%) Apache Cassandra
10 6 (3.43%) Big Data
10 6 (3.43%) MongoDB
11 5 (2.86%) NoSQL
12 4 (2.29%) DB2
12 4 (2.29%) Impala
12 4 (2.29%) Pentaho
12 4 (2.29%) SAS Visual Analytics
Development Applications
1 20 (11.43%) Jenkins
1 20 (11.43%) JIRA
2 15 (8.57%) Git (software)
3 14 (8.00%) GitLab
4 12 (6.86%) Cucumber
4 12 (6.86%) Selenium
5 11 (6.29%) Bitbucket
5 11 (6.29%) REST Assured
6 7 (4.00%) SoapUI
7 4 (2.29%) Atlassian Bamboo
7 4 (2.29%) TeamCity
8 3 (1.71%) Octopus Deploy
9 2 (1.14%) Sonatype Nexus
10 1 (0.57%) Arsenale Dataplane
10 1 (0.57%) Artifactory
10 1 (0.57%) CircleCI
10 1 (0.57%) Gatling
10 1 (0.57%) Oracle APEX
10 1 (0.57%) Oracle Forms
10 1 (0.57%) Toad
General
1 93 (53.14%) Finance
2 28 (16.00%) Banking
3 21 (12.00%) Advertising
3 21 (12.00%) Front Office
4 17 (9.71%) Social Skills
5 14 (8.00%) Investment Banking
6 10 (5.71%) Analytical Skills
7 6 (3.43%) Back Office
8 4 (2.29%) Public Sector
9 2 (1.14%) Publishing
10 1 (0.57%) Financial Institution
10 1 (0.57%) Influencing Skills
10 1 (0.57%) Retail
10 1 (0.57%) Retail Banking
Job Titles
1 38 (21.71%) Developer
2 25 (14.29%) DevOps Engineer
3 20 (11.43%) Applications Support
4 16 (9.14%) Analyst
5 15 (8.57%) Java Developer
6 14 (8.00%) Senior Developer
7 12 (6.86%) Automation Engineer
7 12 (6.86%) Senior DevOps
7 12 (6.86%) Senior DevOps Engineer
7 12 (6.86%) Team Leader
8 11 (6.29%) AWS Engineer
8 11 (6.29%) Cloud Engineer
8 11 (6.29%) QA Automation Engineer
8 11 (6.29%) QA Engineer
9 10 (5.71%) Applications Support Analyst
9 10 (5.71%) Site Reliability Engineer
9 10 (5.71%) Support Analyst
10 9 (5.14%) Data Engineer
11 8 (4.57%) C++ Developer
11 8 (4.57%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 14 (8.00%) FIX Protocol
2 13 (7.43%) Elastic Stack
3 12 (6.86%) Spring
3 12 (6.86%) STL
4 11 (6.29%) Gherkin
5 10 (5.71%) .NET
5 10 (5.71%) Kafka
6 7 (4.00%) XML
7 5 (2.86%) RESTful
8 4 (2.29%) Web Services
9 3 (1.71%) AngularJS
9 3 (1.71%) Play Framework
9 3 (1.71%) React Native
9 3 (1.71%) WebSphere MQ
10 2 (1.14%) NestJS
10 2 (1.14%) Node.js
10 2 (1.14%) OAuth
10 2 (1.14%) OAuth2
10 2 (1.14%) OpenID
10 2 (1.14%) PySpark
Miscellaneous
1 17 (9.71%) Fixed Income
2 12 (6.86%) Derivative
2 12 (6.86%) Greenfield Project
2 12 (6.86%) Spread Betting
3 8 (4.57%) Data Structures
3 8 (4.57%) Equities
4 7 (4.00%) Linux Command Line
5 6 (3.43%) Foreign Exchange (FX)
6 5 (2.86%) Hedge funds
6 5 (2.86%) Self-Motivation
6 5 (2.86%) SWIFT
7 4 (2.29%) Algorithms
7 4 (2.29%) Management Information System
7 4 (2.29%) Public Cloud
8 3 (1.71%) Cloud Native
8 3 (1.71%) Data Centre
8 3 (1.71%) Hybrid Cloud
9 2 (1.14%) Data Protection Act
9 2 (1.14%) Exotic Derivative
9 2 (1.14%) PKI
Operating Systems
1 117 (66.86%) Linux
2 57 (32.57%) Windows
3 18 (10.29%) Red Hat Enterprise Linux
4 12 (6.86%) Windows Server
5 11 (6.29%) CentOS
6 10 (5.71%) Ubuntu
7 3 (1.71%) Android
7 3 (1.71%) Apple iOS
8 2 (1.14%) Mac OS
9 1 (0.57%) Mac OS X
9 1 (0.57%) Solaris
9 1 (0.57%) Windows 10
9 1 (0.57%) Windows 7
9 1 (0.57%) Windows Server 2008
9 1 (0.57%) Windows Server 2016
Processes & Methodologies
1 49 (28.00%) DevOps
2 39 (22.29%) Agile Software Development
3 27 (15.43%) SDLC
4 26 (14.86%) Site Reliability Engineering
5 25 (14.29%) Low Latency
5 25 (14.29%) Software Engineering
6 22 (12.57%) Multithreading
6 22 (12.57%) OOD
7 20 (11.43%) Test Automation
8 18 (10.29%) Mentoring
9 17 (9.71%) Analytics
9 17 (9.71%) Scrum
10 16 (9.14%) Automated Trading
10 16 (9.14%) OO
10 16 (9.14%) Process Improvement
11 15 (8.57%) Clean Code
11 15 (8.57%) Coaching
11 15 (8.57%) Electronic Trading
11 15 (8.57%) Investment Management
12 14 (8.00%) Data Modelling
Programming Languages
1 88 (50.29%) Python
2 70 (40.00%) Java
3 51 (29.14%) SQL
4 24 (13.71%) C++
5 19 (10.86%) Bash Shell
5 19 (10.86%) Shell Script
6 16 (9.14%) C#
7 12 (6.86%) Perl
8 9 (5.14%) JavaScript
8 9 (5.14%) PowerShell
8 9 (5.14%) Scala
9 8 (4.57%) PL/SQL
10 4 (2.29%) Go
10 4 (2.29%) HiveQL
11 3 (1.71%) R
12 2 (1.14%) Haskell
12 2 (1.14%) Kotlin
12 2 (1.14%) T-SQL
12 2 (1.14%) TypeScript
13 1 (0.57%) Groovy
Qualifications
1 11 (6.29%) Degree
2 6 (3.43%) SAS Certification
3 5 (2.86%) CCNP
3 5 (2.86%) Cisco Certification
4 4 (2.29%) AWS Certification
5 3 (1.71%) BPSS Clearance
5 3 (1.71%) Computer Science Degree
5 3 (1.71%) ITIL Foundation Certificate
5 3 (1.71%) SC Cleared
5 3 (1.71%) Security Cleared
6 2 (1.14%) CHECK Team Member
6 2 (1.14%) CISSP
6 2 (1.14%) GIAC
6 2 (1.14%) GPEN
6 2 (1.14%) ITIL Certification
7 1 (0.57%) ISEB
7 1 (0.57%) ISTQB
7 1 (0.57%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 22 (12.57%) QA
2 2 (1.14%) Data Quality
2 2 (1.14%) SLA
System Software
1 27 (15.43%) Docker
2 5 (2.86%) Virtual Servers
3 4 (2.29%) Active Directory
3 4 (2.29%) HDFS
4 1 (0.57%) Xen
Systems Management
1 33 (18.86%) Terraform
2 24 (13.71%) Ansible
3 18 (10.29%) Kubernetes
4 8 (4.57%) Puppet
5 6 (3.43%) Packer
6 5 (2.86%) Nagios
6 5 (2.86%) Nmap
6 5 (2.86%) OpenNMS
7 3 (1.71%) Control-M
7 3 (1.71%) Docker Swarm
7 3 (1.71%) Grafana
7 3 (1.71%) NetBackup
8 2 (1.14%) Opscode Chef
8 2 (1.14%) Rundeck
8 2 (1.14%) Salt
9 1 (0.57%) Ambari
9 1 (0.57%) Graylog
9 1 (0.57%) Hadoop YARN
9 1 (0.57%) Opsgenie
Vendors
1 27 (15.43%) Oracle
2 14 (8.00%) Google
3 12 (6.86%) Microsoft
4 8 (4.57%) Cisco
5 7 (4.00%) Atlassian
6 6 (3.43%) Informatica
7 5 (2.86%) Red Hat
8 4 (2.29%) Bloomberg
8 4 (2.29%) Greenplum
8 4 (2.29%) IBM
8 4 (2.29%) Rapid7
8 4 (2.29%) Talend
8 4 (2.29%) Teradata
9 3 (1.71%) Cloudera
9 3 (1.71%) DataFlux
9 3 (1.71%) Hortonworks
9 3 (1.71%) jBASE
9 3 (1.71%) ServiceNow
9 3 (1.71%) Temenos
10 2 (1.14%) Murex