Period
to 18 September 2021

The table below provides summary statistics for permanent job vacancies with an option to work from home (WFH) and 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 18 September 2021 with a comparison to the same period in the previous 2 years.

Unix
UK > Work from Home
6 months to
18 Sep 2021
Same period 2020 Same period 2019
Rank 218 143 156
Rank change year-on-year -75 +13 -10
Permanent jobs citing Unix 372 91 150
As % of all permanent jobs with a WFH option 1.44% 1.68% 1.88%
As % of the Operating Systems category 8.64% 8.26% 10.16%
Number of salaries quoted 279 81 127
10th Percentile £38,250 £45,000 £40,000
25th Percentile £47,500 £48,750 £41,000
Median annual salary (50th Percentile) £57,500 £60,000 £55,000
Median % change year-on-year -4.17% +9.09% -7.17%
75th Percentile £73,125 £76,250 £72,500
90th Percentile £85,000 £95,000 £87,500
UK median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% -

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 with a WFH option and a requirement for operating system skills.

All Operating Systems
Work from Home
Permanent vacancies with a requirement for operating system skills 4,306 1,102 1,476
As % of all permanent jobs with a WFH option 16.72% 20.40% 18.48%
Number of salaries quoted 3,470 993 1,310
10th Percentile £32,500 £33,550 £35,745
25th Percentile £38,750 £42,500 £43,750
Median annual salary (50th Percentile) £52,500 £55,000 £62,500
Median % change year-on-year -4.55% -12.00% +19.05%
75th Percentile £68,750 £68,750 £75,000
90th Percentile £85,000 £78,750 £87,500
UK median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -5.26%

Unix
Trend for Jobs with a WFH Option

Job vacancies with a work from home option citing Unix as a proportion of all IT jobs advertised.

Unix trend for jobs with a WFH option

Unix
Salary Trend for Jobs with a WFH Option

3-month moving average salary quoted in job vacancies with a work from home option citing Unix.

Unix salary trend for jobs with a WFH option

Unix
Salary Histogram for Jobs with a WFH Option

Salary distribution for jobs with a work from home option citing Unix over the 6 months to 18 September 2021.

Unix salary histogram for jobs with a WFH option

For the 6 months to 18 September 2021, Unix job roles required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent jobs with a WFH option and a requirement for Unix.

1 273 (73.39%) Linux
2 159 (42.74%) Python
3 132 (35.48%) AWS
4 110 (29.57%) SQL
5 104 (27.96%) Windows
6 95 (25.54%) Agile Software Development
7 93 (25.00%) Java
8 88 (23.66%) JavaScript
8 88 (23.66%) Azure
9 84 (22.58%) Finance
10 81 (21.77%) Social Skills
11 80 (21.51%) Degree
12 79 (21.24%) Software Engineering
13 68 (18.28%) Microsoft
13 68 (18.28%) Docker
14 62 (16.67%) Git (software)
15 58 (15.59%) DevOps
16 56 (15.05%) GCP
16 56 (15.05%) Marketing
17 54 (14.52%) Windows Server
18 53 (14.25%) Oracle
19 51 (13.71%) Terraform
20 49 (13.17%) C
21 48 (12.90%) Web Services
22 47 (12.63%) Scrum
22 47 (12.63%) VMware
22 47 (12.63%) Kubernetes
22 47 (12.63%) React
23 46 (12.37%) C++
24 45 (12.10%) Microservices

Unix
Co-occurring IT Skills with a WFH Option 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 15 (4.03%) Elasticsearch
2 13 (3.49%) Tomcat
3 11 (2.96%) JBoss
4 6 (1.61%) Apache
4 6 (1.61%) Oracle SOA Suite
5 5 (1.34%) Umbraco
6 4 (1.08%) IIS
7 3 (0.81%) CICS
7 3 (0.81%) CMS
7 3 (0.81%) nginx
7 3 (0.81%) OpenStack
7 3 (0.81%) WebLogic
7 3 (0.81%) WebSphere
8 2 (0.54%) BizTalk Server
8 2 (0.54%) Confluence
8 2 (0.54%) WordPress
9 1 (0.27%) MS Exchange
9 1 (0.27%) NetWeaver
9 1 (0.27%) PowerExchange
9 1 (0.27%) SharePoint
Applications
1 8 (2.15%) Microsoft Project
2 6 (1.61%) Microsoft Office
3 2 (0.54%) Chatbot
3 2 (0.54%) Microsoft Excel
3 2 (0.54%) Oracle Smart View
4 1 (0.27%) Gephi
Business Applications
1 7 (1.88%) Oracle Applications
2 2 (0.54%) Distributed Ledger
2 2 (0.54%) Magento
2 2 (0.54%) NetSuite
2 2 (0.54%) Oracle BPM
2 2 (0.54%) Oracle ERP
2 2 (0.54%) R3 Corda
3 1 (0.27%) FLEXCUBE
3 1 (0.27%) SAP HCM
3 1 (0.27%) SAP S/4HANA
Cloud Services
1 132 (35.48%) AWS
2 88 (23.66%) Azure
3 56 (15.05%) GCP
4 28 (7.53%) AWS CloudFormation
5 25 (6.72%) AWS Lambda
5 25 (6.72%) GitHub
5 25 (6.72%) Serverless
6 22 (5.91%) PaaS
7 21 (5.65%) Amazon EC2
8 17 (4.57%) Amazon S3
8 17 (4.57%) SaaS
9 14 (3.76%) IaaS
10 9 (2.42%) Amazon Kinesis
11 8 (2.15%) Amazon EMR
11 8 (2.15%) Cloud Functions
11 8 (2.15%) Virtual Private Cloud
12 6 (1.61%) Azure Active Directory
12 6 (1.61%) Microsoft 365
13 5 (1.34%) Amazon CloudWatch
13 5 (1.34%) OpenShift
Communications & Networking
1 32 (8.60%) Firewall
2 21 (5.65%) SAN
3 14 (3.76%) Cisco ASA
4 13 (3.49%) F5 BIG-IP GTM
4 13 (3.49%) F5 BIG-IP LTM
5 12 (3.23%) SSH
6 10 (2.69%) VLAN
7 9 (2.42%) NAS
8 8 (2.15%) DNS
9 7 (1.88%) LAN
10 6 (1.61%) HTTP
10 6 (1.61%) IPv4
10 6 (1.61%) VPN
10 6 (1.61%) WAN
11 5 (1.34%) VSAN
12 4 (1.08%) Network Security
12 4 (1.08%) TCP/IP
13 2 (0.54%) DHCP
13 2 (0.54%) Internet
13 2 (0.54%) Intrusion Detection
Database & Business Intelligence
1 40 (10.75%) SQL Server
2 38 (10.22%) MySQL
3 35 (9.41%) PostgreSQL
4 27 (7.26%) Relational Database
5 21 (5.65%) Amazon RDS
5 21 (5.65%) NoSQL
6 19 (5.11%) RDBMS
7 17 (4.57%) JasperReports
7 17 (4.57%) MongoDB
8 15 (4.03%) Oracle Database
8 15 (4.03%) Redis
9 14 (3.76%) Hadoop
10 12 (3.23%) Amazon Redshift
11 9 (2.42%) Big Data
12 8 (2.15%) Apache Cassandra
13 7 (1.88%) SQL Server Integration Services
14 5 (1.34%) Data Warehouse
14 5 (1.34%) DB2
14 5 (1.34%) Power BI
14 5 (1.34%) SQL Server 2019
Development Applications
1 62 (16.67%) Git (software)
2 44 (11.83%) Jenkins
3 35 (9.41%) JIRA
4 17 (4.57%) GitLab
5 11 (2.96%) Postman
5 11 (2.96%) RSpec
5 11 (2.96%) webpack
6 10 (2.69%) Atlassian Bamboo
6 10 (2.69%) Bitbucket
7 8 (2.15%) Cypress.io
7 8 (2.15%) JMeter
8 7 (1.88%) JUnit
9 6 (1.61%) Cucumber
9 6 (1.61%) Visual Studio
10 5 (1.34%) Gerrit
10 5 (1.34%) Oracle Forms
10 5 (1.34%) Selenium
10 5 (1.34%) Vagrant
11 4 (1.08%) JBehave
11 4 (1.08%) Oracle APEX
General
1 84 (22.58%) Finance
2 81 (21.77%) Social Skills
3 56 (15.05%) Marketing
4 29 (7.80%) Electronics
5 28 (7.53%) Public Sector
5 28 (7.53%) Retail
6 27 (7.26%) Banking
6 27 (7.26%) Games
7 20 (5.38%) Legal
8 16 (4.30%) Telecoms
9 13 (3.49%) Presentation Skills
10 11 (2.96%) Analytical Skills
10 11 (2.96%) Local Government
11 9 (2.42%) Influencing Skills
11 9 (2.42%) Manufacturing
12 8 (2.15%) Investment Banking
13 6 (1.61%) Front Office
14 5 (1.34%) Inclusion and Diversity
14 5 (1.34%) Organisational Skills
15 4 (1.08%) Law
Job Titles
1 87 (23.39%) Developer
2 53 (14.25%) Software Engineer
3 19 (5.11%) Unix Engineer
4 18 (4.84%) Architect
4 18 (4.84%) Consultant
4 18 (4.84%) DevOps Engineer
5 16 (4.30%) Cloud Engineer
6 15 (4.03%) Embedded Engineer
6 15 (4.03%) Embedded Software Engineer
6 15 (4.03%) Linux Engineer
6 15 (4.03%) Python Engineer
7 14 (3.76%) Analyst
8 13 (3.49%) Information Security Specialist
8 13 (3.49%) Information Specialist
8 13 (3.49%) Security Operations Specialist
8 13 (3.49%) Security Specialist
8 13 (3.49%) Technical Consultant
9 12 (3.23%) Java Engineer
9 12 (3.23%) Lead Software Engineer
9 12 (3.23%) Unix Linux Engineer
Libraries, Frameworks & Software Standards
1 48 (12.90%) Web Services
2 47 (12.63%) React
3 33 (8.87%) REST
4 32 (8.60%) Middleware
5 26 (6.99%) Node.js
6 20 (5.38%) AngularJS
6 20 (5.38%) Ruby on Rails
7 19 (5.11%) .NET
7 19 (5.11%) SOAP
8 18 (4.84%) jQuery
9 17 (4.57%) EDI
10 15 (4.03%) Yocto
11 14 (3.76%) Spring
12 13 (3.49%) CSS
12 13 (3.49%) RESTful
12 13 (3.49%) XML
13 12 (3.23%) Django
13 12 (3.23%) HTML
13 12 (3.23%) Sass
14 11 (2.96%) GraphQL
Miscellaneous
1 42 (11.29%) Algorithms
2 28 (7.53%) Data Centre
2 28 (7.53%) Management Information System
3 23 (6.18%) Virtual Team
4 22 (5.91%) Public Cloud
5 17 (4.57%) Augmented Reality
6 16 (4.30%) Linux Command Line
7 13 (3.49%) Cyberthreat
7 13 (3.49%) Self-Motivation
8 12 (3.23%) Greenfield Project
9 10 (2.69%) Client/Server
10 9 (2.42%) Blog
10 9 (2.42%) HP Storage
11 8 (2.15%) DataPower
11 8 (2.15%) iPad
12 6 (1.61%) Enterprise Software
12 6 (1.61%) Private Cloud
13 5 (1.34%) Cloud Native
13 5 (1.34%) Equities
13 5 (1.34%) NHS
Operating Systems
1 273 (73.39%) Linux
2 104 (27.96%) Windows
3 54 (14.52%) Windows Server
4 19 (5.11%) Red Hat Enterprise Linux
5 17 (4.57%) AIX
5 17 (4.57%) CentOS
6 15 (4.03%) Embedded Linux
6 15 (4.03%) Solaris
7 9 (2.42%) Android
7 9 (2.42%) Apple iOS
8 4 (1.08%) Robot Operating System
8 4 (1.08%) Ubuntu
8 4 (1.08%) Windows Server 2019
8 4 (1.08%) zOS
9 3 (0.81%) Debian
9 3 (0.81%) Fedora
9 3 (0.81%) Mac OS
9 3 (0.81%) SUSE
9 3 (0.81%) Windows 2000 Server
9 3 (0.81%) Windows XP
Processes & Methodologies
1 95 (25.54%) Agile Software Development
2 79 (21.24%) Software Engineering
3 58 (15.59%) DevOps
4 47 (12.63%) Scrum
5 45 (12.10%) Microservices
6 44 (11.83%) TDD
7 42 (11.29%) ITIL
8 41 (11.02%) Infrastructure as Code
9 40 (10.75%) Open Source
10 39 (10.48%) Artificial Intelligence
11 37 (9.95%) Machine Learning
12 35 (9.41%) Test Automation
13 31 (8.33%) Data Science
13 31 (8.33%) Project Management
14 30 (8.06%) Continuous Integration
15 29 (7.80%) Computer Science
15 29 (7.80%) Problem-Solving
16 27 (7.26%) User Stories
17 25 (6.72%) OO
18 24 (6.45%) Creative Thinking
Programming Languages
1 159 (42.74%) Python
2 110 (29.57%) SQL
3 93 (25.00%) Java
4 88 (23.66%) JavaScript
5 49 (13.17%) C
6 46 (12.37%) C++
7 37 (9.95%) Ruby
8 34 (9.14%) Bash Shell
9 33 (8.87%) PowerShell
10 30 (8.06%) C#
11 29 (7.80%) TypeScript
12 26 (6.99%) PHP
13 24 (6.45%) Perl
13 24 (6.45%) PL/SQL
13 24 (6.45%) Shell Script
14 19 (5.11%) Scala
15 18 (4.84%) Java 8
16 14 (3.76%) Go
17 12 (3.23%) ES6
18 11 (2.96%) Embedded C
Qualifications
1 80 (21.51%) Degree
2 28 (7.53%) Security Cleared
3 21 (5.65%) Computer Science Degree
4 16 (4.30%) Cisco Certification
5 15 (4.03%) CCNA
6 13 (3.49%) SC Cleared
7 11 (2.96%) VMware Certified Professional (VCP)
8 10 (2.69%) CCNP
8 10 (2.69%) TOGAF Certification
9 9 (2.42%) AWS Certification
9 9 (2.42%) NCSIE
10 7 (1.88%) Microsoft Certification
11 6 (1.61%) BPSS Clearance
11 6 (1.61%) Numerate Degree
11 6 (1.61%) PMP
12 5 (1.34%) CEH
12 5 (1.34%) CISM
12 5 (1.34%) CISSP
12 5 (1.34%) GSEC
13 4 (1.08%) MCSE
Quality Assurance & Compliance
1 19 (5.11%) ISO/IEC 27001
1 19 (5.11%) PCI DSS
2 16 (4.30%) QA
3 13 (3.49%) COBIT
4 12 (3.23%) SLA
5 4 (1.08%) GDPR
6 2 (0.54%) Accessibility
6 2 (0.54%) Cyber Essentials
6 2 (0.54%) NIST
6 2 (0.54%) NIST 800
7 1 (0.27%) Data Quality
7 1 (0.27%) ISO 20022
System Software
1 68 (18.28%) Docker
2 32 (8.60%) VMware Infrastructure
3 13 (3.49%) vSphere
4 12 (3.23%) Active Directory
5 10 (2.69%) Hyper-V
6 9 (2.42%) Virtual Machines
7 4 (1.08%) Virtual Servers
8 3 (0.81%) Gluster
8 3 (0.81%) Xen
9 2 (0.54%) VMware NSX
10 1 (0.27%) HDFS
10 1 (0.27%) iptables
10 1 (0.27%) LXC
10 1 (0.27%) Microsoft App-V
10 1 (0.27%) Squid
10 1 (0.27%) Varnish
10 1 (0.27%) VMware Workstation
10 1 (0.27%) XenDesktop
Systems Management
1 51 (13.71%) Terraform
2 47 (12.63%) Kubernetes
3 43 (11.56%) Ansible
4 25 (6.72%) Puppet
5 23 (6.18%) Opscode Chef
6 10 (2.69%) Prometheus
7 8 (2.15%) SCCM
8 6 (1.61%) QRadar
9 5 (1.34%) SCOM
10 4 (1.08%) Oracle RMAN
10 4 (1.08%) Rundeck
10 4 (1.08%) vRealize Orchestrator
11 3 (0.81%) Docker Swarm
11 3 (0.81%) Salt
11 3 (0.81%) vRealize
12 2 (0.54%) Grafana
12 2 (0.54%) HP Fortify
12 2 (0.54%) logstash
12 2 (0.54%) Nagios
12 2 (0.54%) StackStorm
Vendors
1 68 (18.28%) Microsoft
2 53 (14.25%) Oracle
3 47 (12.63%) VMware
4 34 (9.14%) Google
5 31 (8.33%) Cisco
6 27 (7.26%) Red Hat
7 24 (6.45%) Atlassian
7 24 (6.45%) IBM
8 20 (5.38%) ServiceNow
9 17 (4.57%) JDA
10 14 (3.76%) Apple
10 14 (3.76%) CheckPoint
10 14 (3.76%) F5
10 14 (3.76%) NetApp
11 13 (3.49%) Pega
11 13 (3.49%) Zscaler
12 12 (3.23%) HP
12 12 (3.23%) SAP
13 11 (2.96%) EMC
13 11 (2.96%) Sun