Period
to 24 February 2021

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 24 February 2021 with a comparison to the same period in the previous 2 years.

Unix
UK
6 months to
24 Feb 2021
Same period 2020 Same period 2019
Rank 163 128 100
Rank change year-on-year -35 -28 -23
Permanent jobs citing Unix 1,499 3,171 4,778
As % of all permanent jobs advertised in the UK 2.03% 2.58% 3.20%
As % of the Operating Systems category 10.22% 11.71% 13.81%
Number of salaries quoted 1,387 2,521 3,812
Median annual salary £61,000 £55,087 £55,000
Median salary % change year-on-year +10.73% +0.16% +4.76%
10th Percentile £35,000 £32,500 £31,750
90th Percentile £87,500 £93,750 £87,500
UK excluding London median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

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 14,667 27,085 34,587
As % of all permanent IT jobs advertised in the UK 19.87% 22.07% 23.19%
Number of salaries quoted 11,985 22,028 28,163
Median annual salary £50,000 £45,000 £47,500
Median salary % change year-on-year +11.11% -5.26% +5.56%
10th Percentile £27,500 £25,500 £25,750
90th Percentile £81,250 £80,000 £78,750
UK excluding London median annual salary £45,000 £42,500 £42,000
% change year-on-year +5.88% +1.19% +5.00%

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 24 February 2021.

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 24 February 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
England -32 1,356 £62,500 +8.70% 315
UK excluding London -55 741 £50,000 - 213
London -13 711 £73,750 +5.36% 133
Work from Home -16 225 £57,500 -4.17% 73
South East -70 178 £55,000 +4.76% 43
Midlands +20 165 £55,000 +15.79% 34
North of England -30 160 £47,500 +5.56% 42
West Midlands +16 111 £61,500 +29.47% 24
North West +5 107 £52,500 +23.53% 20
South West -77 83 £50,000 - 33
Scotland +10 82 £47,000 -5.05% 20
East of England +13 56 £72,500 +3.57% 29
East Midlands +29 53 £47,500 +5.56% 10
Yorkshire -37 47 £42,500 -15.00% 16
Northern Ireland -7 21 £33,750 +5.47% 7
Wales +13 8 £43,500 +8.75% 5
North East -2 6 £47,500 +28.38% 6

For the 6 months to 24 February 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 with a requirement for Unix.

1 998 (66.58%) Linux
2 602 (40.16%) Python
3 475 (31.69%) SQL
4 468 (31.22%) AWS
5 460 (30.69%) DevOps
6 434 (28.95%) Java
7 411 (27.42%) Finance
8 399 (26.62%) Agile Software Development
9 390 (26.02%) Windows
10 374 (24.95%) Oracle
11 339 (22.62%) Docker
12 336 (22.41%) Azure
13 279 (18.61%) Ansible
14 270 (18.01%) Git (software)
15 249 (16.61%) Kubernetes
16 223 (14.88%) Terraform
16 223 (14.88%) Puppet
17 213 (14.21%) Bash Shell
17 213 (14.21%) Shell Script
17 213 (14.21%) Configuration Management
18 197 (13.14%) Jenkins
19 196 (13.08%) Problem-Solving
19 196 (13.08%) Degree
20 181 (12.07%) Software Engineering
21 173 (11.54%) JavaScript
22 170 (11.34%) Perl
23 165 (11.01%) SQL Server
24 157 (10.47%) Analytical Skills
25 156 (10.41%) Microsoft
26 151 (10.07%) VMware

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 79 (5.27%) Confluence
2 43 (2.87%) Apache
3 42 (2.80%) WebLogic
4 37 (2.47%) SAS
5 31 (2.07%) Elasticsearch
6 22 (1.47%) IIS
7 21 (1.40%) Tomcat
8 20 (1.33%) OpenStack
9 19 (1.27%) Apache Spark
10 18 (1.20%) nginx
11 17 (1.13%) JBoss
12 16 (1.07%) MTS
13 15 (1.00%) WebSphere
14 12 (0.80%) Oracle SOA Suite
15 10 (0.67%) SharePoint
16 8 (0.53%) Cloud Foundry
17 7 (0.47%) Drupal
18 6 (0.40%) Camunda
18 6 (0.40%) Oracle Application Server
19 5 (0.33%) SharePoint Server
Applications
1 22 (1.47%) Microsoft Office
2 19 (1.27%) Microsoft Excel
3 12 (0.80%) Microsoft PowerPoint
4 10 (0.67%) MS Visio
5 4 (0.27%) Photoshop
6 2 (0.13%) Adobe XD
6 2 (0.13%) Microsoft Project
7 1 (0.067%) EngageOne
7 1 (0.067%) Quicktime
7 1 (0.067%) Spreadsheet
Business Applications
1 19 (1.27%) R3 Corda
2 15 (1.00%) Oracle EBS
3 11 (0.73%) Oracle Applications
4 6 (0.40%) Dynamics AX
4 6 (0.40%) NetSuite
4 6 (0.40%) Oracle 11i
4 6 (0.40%) Oracle EBS R12
5 4 (0.27%) Magento
5 4 (0.27%) Payment Gateway
6 3 (0.20%) Distributed Ledger
7 2 (0.13%) Oracle ERP
7 2 (0.13%) SAP FI-CA
7 2 (0.13%) SAP PSCD
8 1 (0.067%) FLEXCUBE
8 1 (0.067%) Markit EDM
8 1 (0.067%) Oracle BPM
8 1 (0.067%) Remedy ITSM
8 1 (0.067%) Sentinel
8 1 (0.067%) Shopify
Cloud Services
1 468 (31.22%) AWS
2 336 (22.41%) Azure
3 105 (7.00%) GCP
4 67 (4.47%) AWS CloudFormation
5 62 (4.14%) IaaS
6 50 (3.34%) Amazon EKS
6 50 (3.34%) Microsoft 365
6 50 (3.34%) SaaS
7 45 (3.00%) PaaS
8 43 (2.87%) Amazon ECS
8 43 (2.87%) Power Platform
9 34 (2.27%) Serverless
10 28 (1.87%) GitHub
11 21 (1.40%) Azure Active Directory
12 19 (1.27%) Amazon EC2
12 19 (1.27%) Amazon S3
12 19 (1.27%) AWS Lambda
13 18 (1.20%) Cloud Computing
14 14 (0.93%) OpenShift
15 12 (0.80%) Amazon SQS
Communications & Networking
1 132 (8.81%) Firewall
2 126 (8.41%) TCP/IP
3 74 (4.94%) DNS
4 55 (3.67%) VPN
5 38 (2.54%) Internet
6 36 (2.40%) VLAN
7 35 (2.33%) OSPF
7 35 (2.33%) SSL
8 33 (2.20%) DHCP
9 32 (2.13%) HTTP
10 30 (2.00%) SAN
11 25 (1.67%) IPv4
11 25 (1.67%) WAN
12 24 (1.60%) SSH
13 23 (1.53%) LAN
14 22 (1.47%) NAS
15 20 (1.33%) Intrusion Detection
16 17 (1.13%) IPsec
16 17 (1.13%) Network Security
16 17 (1.13%) Wireshark
Database & Business Intelligence
1 165 (11.01%) SQL Server
2 97 (6.47%) Oracle Database
3 95 (6.34%) PostgreSQL
4 91 (6.07%) MySQL
5 85 (5.67%) Big Data
6 77 (5.14%) Relational Database
7 72 (4.80%) Hadoop
8 60 (4.00%) NoSQL
9 57 (3.80%) Data Warehouse
10 56 (3.74%) MongoDB
11 43 (2.87%) Power BI
12 42 (2.80%) Apache Hive
12 42 (2.80%) BusinessObjects
13 41 (2.74%) RDBMS
14 37 (2.47%) Impala
14 37 (2.47%) SQL Server Integration Services
15 35 (2.33%) Pentaho
16 34 (2.27%) SQL Server Reporting Services
17 31 (2.07%) Blockchain
18 23 (1.53%) Redis
Development Applications
1 270 (18.01%) Git (software)
2 197 (13.14%) Jenkins
3 142 (9.47%) JIRA
4 92 (6.14%) GitLab
5 56 (3.74%) Subversion
6 49 (3.27%) Selenium
7 36 (2.40%) Atlassian Bamboo
7 36 (2.40%) Cucumber
8 34 (2.27%) Maven
9 33 (2.20%) JUnit
9 33 (2.20%) TeamCity
10 27 (1.80%) Eclipse
11 25 (1.67%) IntelliJ
12 23 (1.53%) Bitbucket
13 22 (1.47%) Postman
14 20 (1.33%) Sonatype Nexus
15 16 (1.07%) JMeter
15 16 (1.07%) SonarQube
15 16 (1.07%) Team Foundation Server
16 14 (0.93%) SoapUI
General
1 411 (27.42%) Finance
2 143 (9.54%) Banking
3 59 (3.94%) Front Office
4 58 (3.87%) Marketing
5 57 (3.80%) Back Office
6 54 (3.60%) Retail
7 48 (3.20%) Telecoms
8 42 (2.80%) Public Sector
9 41 (2.74%) Electronics
10 32 (2.13%) Investment Banking
11 27 (1.80%) Manufacturing
12 26 (1.73%) Financial Institution
13 19 (1.27%) Law
14 17 (1.13%) Publishing
15 14 (0.93%) Advertising
16 12 (0.80%) Local Government
17 9 (0.60%) Games
18 8 (0.53%) Aerospace
19 7 (0.47%) Automotive
20 6 (0.40%) Military
Job Titles
1 298 (19.88%) Developer
2 210 (14.01%) DevOps Engineer
3 119 (7.94%) Analyst
4 115 (7.67%) Linux Engineer
5 111 (7.40%) Applications Support
6 101 (6.74%) Java Developer
7 74 (4.94%) Software Engineer
8 68 (4.54%) Unix Engineer
9 67 (4.47%) Support Analyst
10 65 (4.34%) Architect
10 65 (4.34%) AWS Engineer
11 62 (4.14%) Platform Engineer
12 61 (4.07%) Administrator
13 57 (3.80%) Senior Developer
14 54 (3.60%) AWS DevOps
15 52 (3.47%) Applications Support Analyst
16 47 (3.14%) Data Engineer
16 47 (3.14%) Infrastructure Engineer
16 47 (3.14%) Site Reliability Engineer
17 46 (3.07%) Support Engineer
Libraries, Frameworks & Software Standards
1 107 (7.14%) Web Services
2 101 (6.74%) Node.js
3 82 (5.47%) REST
4 78 (5.20%) HTML
5 75 (5.00%) Spring
6 74 (4.94%) FIX Protocol
7 71 (4.74%) CSS
8 70 (4.67%) XML
9 68 (4.54%) .NET
10 67 (4.47%) RESTful
11 65 (4.34%) Middleware
12 58 (3.87%) Kafka
13 52 (3.47%) React
14 49 (3.27%) SOAP
15 41 (2.74%) JSON
16 38 (2.54%) HTML5
17 31 (2.07%) AngularJS
18 29 (1.93%) Hibernate
19 25 (1.67%) Elastic Stack
20 24 (1.60%) LDAP
Miscellaneous
1 157 (10.47%) Analytical Skills
2 92 (6.14%) Management Information System
3 65 (4.34%) Linux Command Line
4 58 (3.87%) Public Cloud
5 53 (3.54%) Data Centre
6 51 (3.40%) Self-Motivation
7 47 (3.14%) SWIFT
8 43 (2.87%) Virtual Team
9 39 (2.60%) Derivative
10 36 (2.40%) Equities
11 34 (2.27%) PKI
12 31 (2.07%) Cloud Native
12 31 (2.07%) Fixed Income
13 30 (2.00%) Hedge funds
14 26 (1.73%) Algorithms
15 22 (1.47%) Foreign Exchange (FX)
16 20 (1.33%) Data Structures
16 20 (1.33%) User Experience
17 17 (1.13%) Enterprise Software
18 15 (1.00%) Hybrid Cloud
Operating Systems
1 998 (66.58%) Linux
2 390 (26.02%) Windows
3 87 (5.80%) Red Hat Enterprise Linux
4 66 (4.40%) Windows Server
5 60 (4.00%) CentOS
6 48 (3.20%) Solaris
7 42 (2.80%) Ubuntu
8 39 (2.60%) AIX
9 21 (1.40%) Mac OS
10 16 (1.07%) Android
10 16 (1.07%) Debian
11 15 (1.00%) Windows Server 2012
12 13 (0.87%) SUSE
13 12 (0.80%) CoreOS
13 12 (0.80%) zOS
14 11 (0.73%) Windows Server 2016
15 8 (0.53%) Windows Server 2008
16 7 (0.47%) VMS
16 7 (0.47%) Windows 10
17 6 (0.40%) Apple iOS
Processes & Methodologies
1 460 (30.69%) DevOps
2 399 (26.62%) Agile Software Development
3 213 (14.21%) Configuration Management
4 196 (13.08%) Problem-Solving
5 181 (12.07%) Software Engineering
6 142 (9.47%) Test Automation
7 139 (9.27%) Scrum
8 137 (9.14%) Continuous Integration
9 132 (8.81%) Analytics
10 117 (7.81%) Computer Science
11 114 (7.61%) Infrastructure as Code
12 111 (7.40%) Site Reliability Engineering
13 102 (6.80%) SDLC
14 101 (6.74%) Cybersecurity
15 95 (6.34%) Fintech
16 94 (6.27%) ITIL
17 85 (5.67%) TDD
18 83 (5.54%) Mentoring
19 81 (5.40%) Microservices
20 80 (5.34%) Open Source
Programming Languages
1 602 (40.16%) Python
2 475 (31.69%) SQL
3 434 (28.95%) Java
4 213 (14.21%) Bash Shell
4 213 (14.21%) Shell Script
5 173 (11.54%) JavaScript
6 170 (11.34%) Perl
7 141 (9.41%) PowerShell
8 130 (8.67%) PL/SQL
9 119 (7.94%) C++
10 86 (5.74%) C#
11 78 (5.20%) C
12 70 (4.67%) Ruby
13 63 (4.20%) Go
14 48 (3.20%) PHP
15 39 (2.60%) Scala
16 33 (2.20%) HiveQL
17 26 (1.73%) Kotlin
18 25 (1.67%) Java 8
19 21 (1.40%) TypeScript
Qualifications
1 196 (13.08%) Degree
2 69 (4.60%) Security Cleared
3 48 (3.20%) SC Cleared
4 44 (2.94%) Computer Science Degree
5 37 (2.47%) Cisco Certification
6 32 (2.13%) CISSP
7 27 (1.80%) RHCE
8 23 (1.53%) CCNA
8 23 (1.53%) GIAC
9 19 (1.27%) BPSS Clearance
10 17 (1.13%) CCNP
11 16 (1.07%) CISM
11 16 (1.07%) Microsoft Certification
11 16 (1.07%) Numerate Degree
11 16 (1.07%) SANS
12 14 (0.93%) MCSE
13 13 (0.87%) Master's Degree
13 13 (0.87%) MCSA
14 11 (0.73%) ISEB
14 11 (0.73%) ISTQB
Quality Assurance & Compliance
1 99 (6.60%) QA
2 46 (3.07%) SLA
3 32 (2.13%) ISO/IEC 27001
4 28 (1.87%) Data Quality
5 26 (1.73%) GDPR
6 21 (1.40%) PCI DSS
7 14 (0.93%) NIST
8 11 (0.73%) COBIT
8 11 (0.73%) MiFID
9 10 (0.67%) ISO 9001
10 5 (0.33%) Dodd-Frank
10 5 (0.33%) EMIR
10 5 (0.33%) NIST 800
11 2 (0.13%) Cyber Essentials
11 2 (0.13%) GLBA
12 1 (0.067%) Cyber Essentials PLUS
12 1 (0.067%) FedRAMP
12 1 (0.067%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
12 1 (0.067%) Sarbanes-Oxley
12 1 (0.067%) WCAG
System Software
1 339 (22.62%) Docker
2 104 (6.94%) Active Directory
3 101 (6.74%) VMware Infrastructure
4 36 (2.40%) HDFS
5 30 (2.00%) VMware ESXi
6 28 (1.87%) Oracle RAC
7 25 (1.67%) Hyper-V
8 24 (1.60%) Firmware
9 21 (1.40%) Virtual Machines
10 14 (0.93%) BitLocker
11 10 (0.67%) NFS
11 10 (0.67%) Xen
12 8 (0.53%) KVM
13 6 (0.40%) RHEV
14 5 (0.33%) Postfix
14 5 (0.33%) PowerHA
14 5 (0.33%) vSphere
15 4 (0.27%) Samba
16 3 (0.20%) qmail
16 3 (0.20%) VMware Workstation
Systems Management
1 279 (18.61%) Ansible
2 249 (16.61%) Kubernetes
3 223 (14.88%) Puppet
3 223 (14.88%) Terraform
4 116 (7.74%) Opscode Chef
5 56 (3.74%) Prometheus
6 36 (2.40%) Nagios
7 35 (2.33%) SCCM
8 30 (2.00%) Grafana
9 24 (1.60%) Oracle RMAN
10 23 (1.53%) Data Guard
11 21 (1.40%) Norton AntiVirus
12 20 (1.33%) Istio
13 15 (1.00%) CFEngine
13 15 (1.00%) HAProxy
14 14 (0.93%) Salt
15 13 (0.87%) Control-M
16 11 (0.73%) SCOM
17 10 (0.67%) CSIRT
18 9 (0.60%) Microsoft Data Protection Manager
Vendors
1 374 (24.95%) Oracle
2 156 (10.41%) Microsoft
3 151 (10.07%) VMware
4 123 (8.21%) Red Hat
5 79 (5.27%) IBM
6 67 (4.47%) Google
7 58 (3.87%) Cisco
7 58 (3.87%) Informatica
8 41 (2.74%) Sybase
9 37 (2.47%) Cloudera
10 33 (2.20%) Talend
11 29 (1.93%) SAP
11 29 (1.93%) Splunk
12 22 (1.47%) EMC
13 21 (1.40%) Atlassian
13 21 (1.40%) Symantec
14 20 (1.33%) Dynatrace
14 20 (1.33%) TOWER Software
15 18 (1.20%) Citrix
15 18 (1.20%) McAfee