Period
to 27 October 2020

The following table provides summary statistics for permanent job vacancies advertised in 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 27 October 2020 with a comparison to the same period in the previous 2 years.

Unix
England > London
6 months to
27 Oct 2020
Same period 2019 Same period 2018
Rank 119 99 83
Rank change year-on-year -20 -16 -28
Permanent jobs citing Unix 555 1,691 2,528
As % of all permanent jobs advertised in London 2.79% 3.11% 3.74%
As % of the Operating Systems category 14.43% 14.43% 16.56%
Number of salaries quoted 472 1,272 1,883
Median annual salary £70,000 £70,000 £65,000
Median salary % change year-on-year - +7.69% +4.00%
10th Percentile £45,125 £42,500 £42,500
90th Percentile £95,000 £103,625 £102,500
England median annual salary £60,000 £55,000 £56,000
% change year-on-year +9.09% -1.79% +1.82%

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 London with a requirement for operating system skills.

All Operating Systems
London
Permanent vacancies with a requirement for operating system skills 3,847 11,720 15,264
As % of all permanent IT jobs advertised in London 19.34% 21.58% 22.60%
Number of salaries quoted 3,199 9,591 12,592
Median annual salary £65,000 £57,500 £57,500
Median salary % change year-on-year +13.04% - +4.55%
10th Percentile £36,250 £28,500 £30,000
90th Percentile £95,000 £92,500 £90,000
England median annual salary £50,000 £45,591 £47,500
% change year-on-year +9.67% -4.02% +5.56%

Unix
Job Vacancy Trend in London

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

Job vacancy trend for Unix in London

Unix
Salary Trend in London

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

Salary trend for Unix in London

Unix
Salary Histogram in London

Salary distribution for jobs citing Unix in London over the 6 months to 27 October 2020.

Salary histogram for Unix in London

Unix
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the London region over the 6 months to 27 October 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
Central London -8 119 £70,000 -3.45% 46
West London +18 17 £50,000 -16.67% 6
South London +22 11 £60,000 -12.73% 2
East London +7 6 £80,000 +3.23% 6
North London +34 2 £80,000 +45.45%
Unix
England

For the 6 months to 27 October 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 London region with a requirement for Unix.

1 357 (64.32%) Linux
2 260 (46.85%) Python
3 204 (36.76%) Java
4 183 (32.97%) SQL
5 167 (30.09%) AWS
6 165 (29.73%) Finance
7 163 (29.37%) Oracle
8 149 (26.85%) Agile Software Development
8 149 (26.85%) DevOps
9 115 (20.72%) Shell Script
10 112 (20.18%) Windows
10 112 (20.18%) Azure
11 98 (17.66%) Ansible
12 93 (16.76%) JavaScript
13 91 (16.40%) Banking
14 85 (15.32%) Software Engineering
15 81 (14.59%) Puppet
16 78 (14.05%) Analytics
17 76 (13.69%) Git (software)
18 73 (13.15%) PL/SQL
19 70 (12.61%) Perl
19 70 (12.61%) Terraform
20 69 (12.43%) Mentoring
21 67 (12.07%) Docker
21 67 (12.07%) Scrum
22 66 (11.89%) VMware
23 65 (11.71%) SQL Server
24 63 (11.35%) Degree
25 61 (10.99%) Kubernetes
26 59 (10.63%) JIRA

Unix
Co-occurring IT Skills in 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 42 (7.57%) SAS
2 23 (4.14%) Confluence
3 19 (3.42%) Apache
4 17 (3.06%) Oracle Workflow
5 16 (2.88%) Tomcat
6 14 (2.52%) Apache Spark
6 14 (2.52%) IIS
7 12 (2.16%) WebSphere
8 11 (1.98%) WebLogic
9 9 (1.62%) MTS
10 5 (0.90%) GeoServer
11 4 (0.72%) Elasticsearch
12 3 (0.54%) Cloud Foundry
12 3 (0.54%) Hyperledger
12 3 (0.54%) OpenStack
13 2 (0.36%) nginx
14 1 (0.18%) Drupal
14 1 (0.18%) JBoss
14 1 (0.18%) Joomla!
14 1 (0.18%) Red Hat Fuse
Applications
1 16 (2.88%) Microsoft Office
2 9 (1.62%) Microsoft Excel
3 6 (1.08%) MS Visio
4 5 (0.90%) Microsoft PowerPoint
5 1 (0.18%) Chatbot
5 1 (0.18%) Spreadsheet
Business Applications
1 20 (3.60%) Remedy ITSM
2 1 (0.18%) Dynamics CRM
2 1 (0.18%) Magento
2 1 (0.18%) Temenos T24
Cloud Services
1 167 (30.09%) AWS
2 112 (20.18%) Azure
3 46 (8.29%) Power Platform
4 27 (4.86%) Office 365
5 22 (3.96%) AWS CloudFormation
6 19 (3.42%) GCP
7 15 (2.70%) Serverless
8 13 (2.34%) Amazon EC2
9 11 (1.98%) Azure Active Directory
10 10 (1.80%) Amazon ECS
10 10 (1.80%) Amazon S3
10 10 (1.80%) AWS Lambda
11 9 (1.62%) SaaS
12 8 (1.44%) Amazon CloudWatch
13 7 (1.26%) Amazon EKS
13 7 (1.26%) IaaS
13 7 (1.26%) PaaS
14 6 (1.08%) Amazon SQS
14 6 (1.08%) Datadog
14 6 (1.08%) GitHub
Communications & Networking
1 51 (9.19%) TCP/IP
2 35 (6.31%) Firewall
3 22 (3.96%) DNS
4 17 (3.06%) VPN
5 15 (2.70%) WAN
6 14 (2.52%) LAN
7 12 (2.16%) Network Security
8 11 (1.98%) FIX Connectivity
9 10 (1.80%) DHCP
9 10 (1.80%) SSH
10 8 (1.44%) Internet
10 8 (1.44%) SNMP
10 8 (1.44%) SSL
10 8 (1.44%) Wireshark
11 7 (1.26%) HTTP
12 6 (1.08%) Broadband
12 6 (1.08%) SAN
13 5 (0.90%) Cisco ASA
13 5 (0.90%) F5 BIG-IP LTM
13 5 (0.90%) IPsec
Database & Business Intelligence
1 65 (11.71%) SQL Server
2 56 (10.09%) Hadoop
3 51 (9.19%) Oracle Database
4 46 (8.29%) Power BI
5 44 (7.93%) Apache Hive
5 44 (7.93%) Big Data
6 42 (7.57%) Impala
7 41 (7.39%) Pentaho
8 38 (6.85%) BusinessObjects
9 33 (5.95%) PostgreSQL
10 26 (4.68%) Relational Database
11 20 (3.60%) Data Warehouse
11 20 (3.60%) SQL Server Integration Services
12 18 (3.24%) MongoDB
12 18 (3.24%) MySQL
12 18 (3.24%) NoSQL
13 15 (2.70%) SQL Server Reporting Services
14 13 (2.34%) Amazon RDS
15 11 (1.98%) Redis
16 10 (1.80%) Tableau
Development Applications
1 76 (13.69%) Git (software)
2 59 (10.63%) JIRA
3 57 (10.27%) Jenkins
4 22 (3.96%) Bitbucket
5 21 (3.78%) GitLab
6 16 (2.88%) Maven
7 15 (2.70%) Atlassian Bamboo
8 12 (2.16%) Subversion
9 11 (1.98%) JMeter
9 11 (1.98%) Team Foundation Server
10 9 (1.62%) Visual Studio Team System
11 8 (1.44%) Artifactory
11 8 (1.44%) LoadRunner
11 8 (1.44%) Locust
12 7 (1.26%) Gatling
12 7 (1.26%) Gerrit
12 7 (1.26%) TeamCity
13 6 (1.08%) eggPlant
13 6 (1.08%) Sonatype Nexus
14 5 (0.90%) Selenium
General
1 165 (29.73%) Finance
2 91 (16.40%) Banking
3 34 (6.13%) Back Office
4 33 (5.95%) Front Office
5 25 (4.50%) Investment Banking
6 17 (3.06%) Italian Language
7 9 (1.62%) Legal
8 8 (1.44%) Financial Institution
8 8 (1.44%) Retail
8 8 (1.44%) Telecoms
9 7 (1.26%) Law
10 4 (0.72%) Marketing
11 3 (0.54%) Advertising
11 3 (0.54%) Public Sector
12 2 (0.36%) Games
13 1 (0.18%) Electronics
13 1 (0.18%) International Banking
13 1 (0.18%) Manufacturing
13 1 (0.18%) Military
13 1 (0.18%) Pharmaceutical
Job Titles
1 104 (18.74%) Developer
2 65 (11.71%) DevOps Engineer
3 51 (9.19%) Linux Engineer
4 50 (9.01%) Data Engineer
5 38 (6.85%) Analyst
5 38 (6.85%) Applications Support
5 38 (6.85%) Java Developer
6 35 (6.31%) Administrator
7 30 (5.41%) Python Engineer
7 30 (5.41%) Site Reliability Engineer
8 29 (5.23%) Systems Administrator
9 28 (5.05%) Senior Developer
10 27 (4.86%) Site Engineer
11 25 (4.50%) Support Engineer
11 25 (4.50%) Systems Engineer
12 24 (4.32%) Software Engineer
13 22 (3.96%) AWS Engineer
13 22 (3.96%) Support Analyst
14 20 (3.60%) Linux Administrator
14 20 (3.60%) Support Manager
Libraries, Frameworks & Software Standards
1 43 (7.75%) XML
2 40 (7.21%) FIX Protocol
3 32 (5.77%) CSS
4 31 (5.59%) HTML
4 31 (5.59%) Spring
5 30 (5.41%) AngularJS
6 28 (5.05%) REST
7 26 (4.68%) Node.js
8 25 (4.50%) HTML5
8 25 (4.50%) Web Services
9 20 (3.60%) .NET
9 20 (3.60%) RESTful
10 19 (3.42%) React
11 17 (3.06%) Middleware
11 17 (3.06%) RabbitMQ
12 13 (2.34%) JMS
13 12 (2.16%) SOAP
14 11 (1.98%) JAXB
14 11 (1.98%) JSON
14 11 (1.98%) Spring Boot
Miscellaneous
1 34 (6.13%) Analytical Skills
2 32 (5.77%) SWIFT
3 31 (5.59%) Management Information System
4 25 (4.50%) Linux Command Line
5 17 (3.06%) Self-Motivation
6 15 (2.70%) Fixed Income
7 14 (2.52%) Derivative
7 14 (2.52%) Hedge funds
8 13 (2.34%) Public Cloud
9 12 (2.16%) Foreign Exchange (FX)
10 10 (1.80%) Virtual Team
11 9 (1.62%) Algorithms
11 9 (1.62%) Equities
12 8 (1.44%) Data Centre
13 7 (1.26%) Cyber Kill Chain
13 7 (1.26%) Data Structures
13 7 (1.26%) Market Risk
13 7 (1.26%) Replication
13 7 (1.26%) Robotics
14 6 (1.08%) PKI
Operating Systems
1 357 (64.32%) Linux
2 112 (20.18%) Windows
3 38 (6.85%) Windows Server
4 31 (5.59%) Red Hat Enterprise Linux
5 18 (3.24%) Solaris
6 17 (3.06%) CentOS
7 15 (2.70%) Windows Server 2008
8 10 (1.80%) Ubuntu
8 10 (1.80%) Windows Server 2003
8 10 (1.80%) Windows Server 2012
9 9 (1.62%) Mac OS
10 8 (1.44%) Android
10 8 (1.44%) CoreOS
10 8 (1.44%) zOS
11 7 (1.26%) Windows XP
12 6 (1.08%) Fedora
12 6 (1.08%) VMS
12 6 (1.08%) Windows 10
12 6 (1.08%) Windows 2000 Server
13 4 (0.72%) Oracle Linux
Processes & Methodologies
1 149 (26.85%) Agile Software Development
1 149 (26.85%) DevOps
2 85 (15.32%) Software Engineering
3 78 (14.05%) Analytics
4 69 (12.43%) Mentoring
5 67 (12.07%) Scrum
6 56 (10.09%) Data Analytics
7 52 (9.37%) Configuration Management
7 52 (9.37%) ETL
8 50 (9.01%) Requirements Gathering
8 50 (9.01%) Site Reliability Engineering
9 49 (8.83%) Process Improvement
10 47 (8.47%) Continuous Integration
11 43 (7.75%) Coaching
12 41 (7.39%) ITIL
12 41 (7.39%) Software Delivery
13 40 (7.21%) Computer Science
14 39 (7.03%) Data Management
14 39 (7.03%) Fintech
15 38 (6.85%) Test Automation
Programming Languages
1 260 (46.85%) Python
2 204 (36.76%) Java
3 183 (32.97%) SQL
4 115 (20.72%) Shell Script
5 93 (16.76%) JavaScript
6 73 (13.15%) PL/SQL
7 70 (12.61%) Perl
8 51 (9.19%) Bash Shell
9 45 (8.11%) C++
10 39 (7.03%) PowerShell
11 38 (6.85%) HiveQL
11 38 (6.85%) Ruby
12 35 (6.31%) C
13 29 (5.23%) PHP
14 24 (4.32%) Go
15 21 (3.78%) C#
16 19 (3.42%) R
17 16 (2.88%) T-SQL
18 14 (2.52%) Kotlin
19 10 (1.80%) Java 8
Qualifications
1 63 (11.35%) Degree
2 30 (5.41%) BPSS Clearance
3 29 (5.23%) Computer Science Degree
4 21 (3.78%) Cisco Certification
5 15 (2.70%) CISSP
6 14 (2.52%) CISM
7 13 (2.34%) Master's Degree
7 13 (2.34%) PMP
8 11 (1.98%) (ISC)2 CCSP
8 11 (1.98%) CCSP
8 11 (1.98%) CREST Certified
9 9 (1.62%) Microsoft Certification
10 8 (1.44%) CCNA
10 8 (1.44%) GCFA
10 8 (1.44%) GCIH
11 7 (1.26%) GCIA
11 7 (1.26%) SANS
12 6 (1.08%) CCNP
12 6 (1.08%) MCSA
12 6 (1.08%) MCSE
Quality Assurance & Compliance
1 45 (8.11%) QA
2 18 (3.24%) SLA
3 9 (1.62%) GDPR
3 9 (1.62%) NIST
4 8 (1.44%) COBIT
4 8 (1.44%) ISO/IEC 27001
5 7 (1.26%) Data Quality
6 2 (0.36%) FINRA
7 1 (0.18%) Dodd-Frank
7 1 (0.18%) EMIR
7 1 (0.18%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 1 (0.18%) MiFID
7 1 (0.18%) NIST 800
7 1 (0.18%) PCI DSS
System Software
1 67 (12.07%) Docker
2 53 (9.55%) VMware Infrastructure
3 45 (8.11%) Active Directory
4 38 (6.85%) HDFS
5 10 (1.80%) RHEV
6 9 (1.62%) Hyper-V
6 9 (1.62%) VMware ESXi
7 7 (1.26%) Virtual Machines
8 6 (1.08%) VMware Workstation
9 4 (0.72%) vCloud
9 4 (0.72%) Xen
10 3 (0.54%) NFS
10 3 (0.54%) Samba
10 3 (0.54%) vSphere
11 2 (0.36%) Apache Flume
11 2 (0.36%) VirtualBox
12 1 (0.18%) Active Directory Lightweight Directory Services
12 1 (0.18%) BitLocker
12 1 (0.18%) Cronacle
12 1 (0.18%) Virtual Servers
Systems Management
1 98 (17.66%) Ansible
2 81 (14.59%) Puppet
3 70 (12.61%) Terraform
4 61 (10.99%) Kubernetes
5 45 (8.11%) Opscode Chef
6 13 (2.34%) Control-M
7 10 (1.80%) Salt
8 9 (1.62%) Nagios
9 8 (1.44%) Grafana
9 8 (1.44%) Prometheus
10 7 (1.26%) CSIRT
11 6 (1.08%) ZABBIX
12 5 (0.90%) Ambari
12 5 (0.90%) BMC PATROL
12 5 (0.90%) Hadoop YARN
12 5 (0.90%) logstash
13 4 (0.72%) Istio
13 4 (0.72%) Microsoft Intune
13 4 (0.72%) Packer
13 4 (0.72%) vRealize Orchestrator
Vendors
1 163 (29.37%) Oracle
2 66 (11.89%) VMware
3 59 (10.63%) Microsoft
4 47 (8.47%) Cloudera
5 43 (7.75%) Informatica
6 38 (6.85%) Talend
7 34 (6.13%) Red Hat
8 31 (5.59%) Google
9 25 (4.50%) Sybase
10 23 (4.14%) Cisco
10 23 (4.14%) ServiceNow
11 22 (3.96%) IBM
12 20 (3.60%) Remedy
13 11 (1.98%) Sun
14 9 (1.62%) Bloomberg
14 9 (1.62%) Reuters
15 8 (1.44%) Atlassian
16 7 (1.26%) TIBCO
17 6 (1.08%) CheckPoint
17 6 (1.08%) Dynatrace