Period
to 4 December 2020

The following table provides summary statistics for permanent job vacancies 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 4 December 2020 with a comparison to the same period in the previous 2 years.

Unix
UK
6 months to
4 Dec 2020
Same period 2019 Same period 2018
Rank 151 113 92
Rank change year-on-year -38 -21 -20
Permanent jobs citing Unix 1,238 3,826 5,378
As % of all permanent jobs advertised in the UK 2.18% 2.82% 3.32%
As % of the Operating Systems category 10.30% 12.37% 14.33%
Number of salaries quoted 1,080 2,828 4,162
Median annual salary £60,000 £55,000 £55,000
Median salary % change year-on-year +9.09% - +3.77%
10th Percentile £36,700 £32,500 £32,250
90th Percentile £87,500 £90,000 £89,995
UK excluding London median annual salary £50,000 £47,500 £49,039
% change year-on-year +5.26% -3.14% +6.61%

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 requirement for operating system skills.

All Operating Systems
UK
Permanent vacancies with a requirement for operating system skills 12,020 30,920 37,532
As % of all permanent IT jobs advertised in the UK 21.20% 22.78% 23.17%
Number of salaries quoted 10,001 24,656 30,269
Median annual salary £50,000 £45,000 £47,500
Median salary % change year-on-year +11.11% -5.26% +5.56%
10th Percentile £28,000 £25,000 £25,415
90th Percentile £80,000 £80,000 £77,500
UK excluding London median annual salary £45,000 £40,500 £41,000
% change year-on-year +11.11% -1.22% +2.50%

Unix
Job Vacancy Trend

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

Job vacancy trend for Unix in the UK

Unix
Salary Trend

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

Salary trend for Unix in the UK

Unix
Salary Histogram

Salary distribution for jobs citing Unix over the 6 months to 4 December 2020.

Salary histogram for Unix in the UK

Unix
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the UK over the 6 months to 4 December 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
England -38 1,116 £62,500 +11.61% 260
London -23 596 £70,000 -2.78% 111
UK excluding London -59 596 £50,000 +5.26% 172
Midlands +33 152 £50,000 +6.78% 22
Work from Home +1 144 £57,500 +4.55% 34
South East -61 132 £52,500 - 33
North of England -80 99 £47,500 +5.56% 61
West Midlands +12 96 £55,000 +22.22% 16
South West -33 88 £52,500 +23.53% 14
Scotland +1 73 £49,000 -2.00% 13
North West -10 73 £47,500 +11.76% 34
East Midlands +55 54 £50,000 +5.26% 6
East of England -3 34 £55,000 - 19
Yorkshire -71 18 £48,750 +2.63% 21
Northern Ireland -1 14 £52,500 +64.06% 4
North East -13 8 £42,000 +7.19% 6
Wales +38 6 £43,500 +17.57% 6

For the 6 months to 4 December 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 with a requirement for Unix.

1 801 (64.70%) Linux
2 438 (35.38%) Python
3 399 (32.23%) SQL
4 398 (32.15%) Java
5 356 (28.76%) AWS
6 344 (27.79%) Oracle
7 324 (26.17%) Windows
8 317 (25.61%) DevOps
9 311 (25.12%) Finance
10 309 (24.96%) Agile Software Development
11 220 (17.77%) Azure
12 205 (16.56%) Shell Script
13 194 (15.67%) Git (software)
14 192 (15.51%) Ansible
15 179 (14.46%) Docker
16 176 (14.22%) Terraform
17 165 (13.33%) Puppet
18 157 (12.68%) Kubernetes
19 152 (12.28%) Degree
20 151 (12.20%) Perl
21 146 (11.79%) Software Engineering
22 145 (11.71%) JavaScript
23 143 (11.55%) Configuration Management
23 143 (11.55%) Problem-Solving
24 141 (11.39%) PL/SQL
25 131 (10.58%) Jenkins
26 128 (10.34%) Analytics
26 128 (10.34%) Analytical Skills
27 127 (10.26%) VMware
28 126 (10.18%) Bash Shell

Unix
Co-occurring IT Skills 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 47 (3.80%) Confluence
2 45 (3.63%) SAS
3 37 (2.99%) WebLogic
4 32 (2.58%) Apache
5 23 (1.86%) IIS
6 21 (1.70%) WebSphere
7 19 (1.53%) Tomcat
8 16 (1.29%) Apache Spark
8 16 (1.29%) Oracle Workflow
9 14 (1.13%) Elasticsearch
10 11 (0.89%) SharePoint
11 10 (0.81%) MTS
12 9 (0.73%) OpenStack
13 7 (0.57%) JBoss
14 6 (0.48%) nginx
15 5 (0.40%) Cloud Foundry
15 5 (0.40%) GeoServer
16 4 (0.32%) CMS
16 4 (0.32%) Oracle Application Server
16 4 (0.32%) Oracle SOA Suite
Applications
1 20 (1.62%) Microsoft Office
2 16 (1.29%) Microsoft Excel
3 11 (0.89%) Microsoft PowerPoint
3 11 (0.89%) MS Visio
4 4 (0.32%) Photoshop
5 2 (0.16%) Adobe XD
5 2 (0.16%) Microsoft Project
6 1 (0.081%) Chatbot
6 1 (0.081%) Spreadsheet
Business Applications
1 15 (1.21%) Remedy ITSM
2 12 (0.97%) Oracle EBS
3 8 (0.65%) Oracle Applications
4 6 (0.48%) FLEXCUBE
5 4 (0.32%) Magento
5 4 (0.32%) Payment Gateway
6 3 (0.24%) Oracle 11i
6 3 (0.24%) Oracle EBS R12
7 2 (0.16%) Oracle ERP
7 2 (0.16%) SAP FI-CA
7 2 (0.16%) SAP PSCD
8 1 (0.081%) Dynamics CRM
8 1 (0.081%) Oracle BPM
8 1 (0.081%) Oracle Retail
8 1 (0.081%) Shopify
8 1 (0.081%) Temenos T24
Cloud Services
1 356 (28.76%) AWS
2 220 (17.77%) Azure
3 45 (3.63%) GCP
3 45 (3.63%) Power Platform
4 42 (3.39%) AWS CloudFormation
5 36 (2.91%) Office 365
6 29 (2.34%) PaaS
7 28 (2.26%) Amazon EKS
7 28 (2.26%) Serverless
8 27 (2.18%) IaaS
8 27 (2.18%) SaaS
9 25 (2.02%) GitHub
10 22 (1.78%) Amazon ECS
11 19 (1.53%) Amazon EC2
12 15 (1.21%) Amazon S3
12 15 (1.21%) AWS Lambda
13 14 (1.13%) Azure Active Directory
14 11 (0.89%) Cloud Computing
15 10 (0.81%) OpenShift
16 9 (0.73%) Amazon SQS
Communications & Networking
1 93 (7.51%) TCP/IP
2 92 (7.43%) Firewall
3 62 (5.01%) DNS
4 37 (2.99%) Internet
5 29 (2.34%) DHCP
5 29 (2.34%) VPN
6 28 (2.26%) WAN
7 27 (2.18%) LAN
8 26 (2.10%) SAN
8 26 (2.10%) SSL
9 21 (1.70%) HTTP
10 18 (1.45%) Intrusion Detection
11 17 (1.37%) Network Security
12 16 (1.29%) NAS
13 15 (1.21%) SSH
14 12 (0.97%) 2G
14 12 (0.97%) 4G
15 11 (0.89%) Wireshark
16 8 (0.65%) F5 BIG-IP LTM
16 8 (0.65%) iSCSI
Database & Business Intelligence
1 125 (10.10%) SQL Server
2 102 (8.24%) Oracle Database
3 97 (7.84%) Big Data
4 68 (5.49%) Hadoop
5 64 (5.17%) PostgreSQL
6 59 (4.77%) Relational Database
7 56 (4.52%) MySQL
8 52 (4.20%) NoSQL
9 51 (4.12%) Apache Hive
9 51 (4.12%) BusinessObjects
10 47 (3.80%) Impala
11 45 (3.63%) Power BI
12 43 (3.47%) MongoDB
13 40 (3.23%) Pentaho
14 35 (2.83%) Data Warehouse
15 24 (1.94%) RDBMS
16 20 (1.62%) DB2
16 20 (1.62%) SQL Server Integration Services
17 19 (1.53%) Oracle Database 11g
18 18 (1.45%) Data Lake
Development Applications
1 194 (15.67%) Git (software)
2 131 (10.58%) Jenkins
3 116 (9.37%) JIRA
4 47 (3.80%) GitLab
5 42 (3.39%) Bitbucket
6 37 (2.99%) Subversion
7 31 (2.50%) Selenium
8 28 (2.26%) Maven
9 23 (1.86%) Atlassian Bamboo
10 19 (1.53%) JUnit
11 18 (1.45%) Cucumber
12 17 (1.37%) TeamCity
13 15 (1.21%) Eclipse
13 15 (1.21%) JMeter
14 14 (1.13%) Team Foundation Server
14 14 (1.13%) webpack
15 13 (1.05%) Ant
15 13 (1.05%) IntelliJ
15 13 (1.05%) Visual Studio Team System
16 12 (0.97%) Postman
General
1 311 (25.12%) Finance
2 125 (10.10%) Banking
3 58 (4.68%) Front Office
4 52 (4.20%) Telecoms
5 45 (3.63%) Retail
6 43 (3.47%) Back Office
7 33 (2.67%) Public Sector
8 32 (2.58%) Electronics
8 32 (2.58%) Marketing
9 27 (2.18%) Investment Banking
9 27 (2.18%) Manufacturing
10 20 (1.62%) Financial Institution
11 14 (1.13%) Italian Language
12 12 (0.97%) Legal
13 9 (0.73%) Law
14 8 (0.65%) Advertising
14 8 (0.65%) Games
14 8 (0.65%) Publishing
15 4 (0.32%) Aerospace
16 3 (0.24%) Billing
Job Titles
1 231 (18.66%) Developer
2 142 (11.47%) DevOps Engineer
3 99 (8.00%) Analyst
4 91 (7.35%) Linux Engineer
5 90 (7.27%) Administrator
6 88 (7.11%) Applications Support
7 80 (6.46%) Java Developer
8 70 (5.65%) Systems Administrator
9 61 (4.93%) Software Engineer
10 58 (4.68%) AWS Engineer
11 56 (4.52%) Senior Developer
12 54 (4.36%) Java Engineer
13 52 (4.20%) Data Engineer
14 50 (4.04%) Architect
15 47 (3.80%) AWS DevOps
15 47 (3.80%) Unix Engineer
16 46 (3.72%) Platform Engineer
17 44 (3.55%) Support Engineer
18 42 (3.39%) Support Analyst
19 40 (3.23%) Python Engineer
Libraries, Frameworks & Software Standards
1 64 (5.17%) XML
2 59 (4.77%) CSS
3 58 (4.68%) FIX Protocol
4 57 (4.60%) HTML
5 56 (4.52%) Spring
6 53 (4.28%) Web Services
7 52 (4.20%) Middleware
8 51 (4.12%) Node.js
9 47 (3.80%) RESTful
10 46 (3.72%) AngularJS
10 46 (3.72%) REST
11 37 (2.99%) SOAP
12 31 (2.50%) React
13 30 (2.42%) .NET
13 30 (2.42%) HTML5
13 30 (2.42%) JSON
14 24 (1.94%) Kafka
15 22 (1.78%) RabbitMQ
16 20 (1.62%) JMS
17 18 (1.45%) jQuery
Miscellaneous
1 128 (10.34%) Analytical Skills
2 71 (5.74%) Management Information System
3 56 (4.52%) Linux Command Line
4 38 (3.07%) Self-Motivation
5 37 (2.99%) SWIFT
6 36 (2.91%) Virtual Team
7 35 (2.83%) Data Centre
8 28 (2.26%) Hedge funds
9 26 (2.10%) Public Cloud
10 25 (2.02%) Algorithms
10 25 (2.02%) Equities
11 21 (1.70%) User Experience
12 18 (1.45%) Cloud Native
12 18 (1.45%) Derivative
12 18 (1.45%) Fixed Income
13 16 (1.29%) Data Structures
13 16 (1.29%) Foreign Exchange (FX)
14 15 (1.21%) Greenfield Project
15 12 (0.97%) Distributed Denial-of-Service
16 11 (0.89%) Mobile App
Operating Systems
1 801 (64.70%) Linux
2 324 (26.17%) Windows
3 80 (6.46%) Windows Server
4 74 (5.98%) Red Hat Enterprise Linux
5 68 (5.49%) Solaris
6 53 (4.28%) AIX
7 50 (4.04%) CentOS
8 16 (1.29%) CoreOS
8 16 (1.29%) zOS
9 11 (0.89%) Android
9 11 (0.89%) Ubuntu
10 10 (0.81%) Mac OS
10 10 (0.81%) SUSE
11 9 (0.73%) Windows 7
11 9 (0.73%) Windows Server 2012
12 8 (0.65%) VMS
12 8 (0.65%) Windows 10
13 7 (0.57%) Debian
13 7 (0.57%) Windows Server 2003
13 7 (0.57%) Windows Server 2008
Processes & Methodologies
1 317 (25.61%) DevOps
2 309 (24.96%) Agile Software Development
3 146 (11.79%) Software Engineering
4 143 (11.55%) Configuration Management
4 143 (11.55%) Problem-Solving
5 128 (10.34%) Analytics
6 114 (9.21%) Scrum
7 106 (8.56%) Continuous Integration
8 97 (7.84%) Cybersecurity
9 95 (7.67%) Mentoring
10 93 (7.51%) Test Automation
11 91 (7.35%) Computer Science
12 78 (6.30%) Information Security
13 71 (5.74%) Data Analytics
14 67 (5.41%) ITIL
15 66 (5.33%) Fintech
16 65 (5.25%) Infrastructure as Code
16 65 (5.25%) Open Source
16 65 (5.25%) Site Reliability Engineering
17 63 (5.09%) ETL
Programming Languages
1 438 (35.38%) Python
2 399 (32.23%) SQL
3 398 (32.15%) Java
4 205 (16.56%) Shell Script
5 151 (12.20%) Perl
6 145 (11.71%) JavaScript
7 141 (11.39%) PL/SQL
8 126 (10.18%) Bash Shell
9 111 (8.97%) C++
10 94 (7.59%) PowerShell
11 74 (5.98%) C
12 60 (4.85%) Ruby
13 58 (4.68%) PHP
14 46 (3.72%) Go
15 40 (3.23%) C#
16 38 (3.07%) HiveQL
17 32 (2.58%) R
18 27 (2.18%) Scala
19 26 (2.10%) Java 8
20 20 (1.62%) T-SQL
Qualifications
1 152 (12.28%) Degree
2 43 (3.47%) Security Cleared
3 37 (2.99%) Cisco Certification
4 31 (2.50%) Computer Science Degree
5 30 (2.42%) BPSS Clearance
6 27 (2.18%) CISSP
6 27 (2.18%) SC Cleared
7 25 (2.02%) CCNA
8 15 (1.21%) CCNP
8 15 (1.21%) CISM
9 14 (1.13%) Microsoft Certification
10 13 (1.05%) PMP
11 12 (0.97%) DV Cleared
11 12 (0.97%) Master's Degree
12 11 (0.89%) (ISC)2 CCSP
12 11 (0.89%) CCSP
13 10 (0.81%) CREST Certified
13 10 (0.81%) MCSA
14 9 (0.73%) ISTQB Foundation Certification
14 9 (0.73%) MCSE
Quality Assurance & Compliance
1 102 (8.24%) QA
2 48 (3.88%) SLA
3 27 (2.18%) Data Quality
4 26 (2.10%) NIST
5 23 (1.86%) ISO/IEC 27001
6 20 (1.62%) GDPR
7 8 (0.65%) COBIT
8 7 (0.57%) NIST 800
8 7 (0.57%) PCI DSS
9 6 (0.48%) Sarbanes-Oxley
10 5 (0.40%) Dodd-Frank
10 5 (0.40%) EMIR
10 5 (0.40%) MiFID
11 2 (0.16%) ISO 9001
12 1 (0.081%) Cyber Essentials
12 1 (0.081%) FINRA
12 1 (0.081%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 179 (14.46%) Docker
2 97 (7.84%) Active Directory
3 84 (6.79%) VMware Infrastructure
4 47 (3.80%) HDFS
5 19 (1.53%) Hyper-V
6 18 (1.45%) Firmware
7 16 (1.29%) Virtual Machines
8 13 (1.05%) BitLocker
9 11 (0.89%) Xen
10 10 (0.81%) RHEV
11 9 (0.73%) Oracle RAC
12 8 (0.65%) NFS
13 7 (0.57%) KVM
13 7 (0.57%) VMware ESXi
13 7 (0.57%) VMware Workstation
14 5 (0.40%) Apache ZooKeeper
14 5 (0.40%) vSphere
15 4 (0.32%) Samba
16 3 (0.24%) Citrix Presentation Server
16 3 (0.24%) XenDesktop
Systems Management
1 192 (15.51%) Ansible
2 176 (14.22%) Terraform
3 165 (13.33%) Puppet
4 157 (12.68%) Kubernetes
5 87 (7.03%) Opscode Chef
6 32 (2.58%) Oracle RMAN
7 28 (2.26%) Data Guard
8 20 (1.62%) Nagios
9 19 (1.53%) Prometheus
9 19 (1.53%) SCCM
10 18 (1.45%) Norton AntiVirus
11 14 (1.13%) Control-M
11 14 (1.13%) Istio
12 13 (1.05%) Oracle Enterprise Manager
13 12 (0.97%) Salt
14 11 (0.89%) Grafana
15 8 (0.65%) Red Hat Satellite
15 8 (0.65%) SELinux
16 7 (0.57%) Hadoop YARN
16 7 (0.57%) Single Sign-On
Vendors
1 344 (27.79%) Oracle
2 127 (10.26%) VMware
3 118 (9.53%) Microsoft
4 96 (7.75%) Red Hat
5 76 (6.14%) IBM
6 60 (4.85%) Informatica
7 59 (4.77%) Google
8 55 (4.44%) Cisco
9 52 (4.20%) Cloudera
10 49 (3.96%) SAP
11 42 (3.39%) Sybase
12 38 (3.07%) Talend
13 27 (2.18%) ServiceNow
14 22 (1.78%) Citrix
15 20 (1.62%) Sun
16 19 (1.53%) HP
16 19 (1.53%) McAfee
16 19 (1.53%) Symantec
17 17 (1.37%) Atlassian
17 17 (1.37%) JDA