Period
to 26 September 2020

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 26 September 2020 with a comparison to the same period in the previous 2 years.

Unix
Central London > City of London
6 months to
26 Sep 2020
Same period 2019 Same period 2018
Rank 88 79 94
Rank change year-on-year -9 +15 -50
Permanent jobs citing Unix 121 376 374
As % of all permanent jobs advertised in the City of London 3.22% 3.72% 3.38%
As % of the Operating Systems category 15.24% 15.66% 15.54%
Number of salaries quoted 109 309 351
Median annual salary £70,000 £72,500 £70,000
Median salary % change year-on-year -3.45% +3.57% +7.69%
10th Percentile £55,750 £45,000 £47,500
90th Percentile £95,000 £106,500 £102,500
Central London median annual salary £70,000 £70,000 £70,000

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Permanent vacancies with a requirement for operating system skills 794 2,401 2,406
As % of all permanent IT jobs advertised in the City of London 21.13% 23.76% 21.76%
Number of salaries quoted 692 2,060 2,144
Median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +9.09%
10th Percentile £36,250 £28,500 £29,000
90th Percentile £91,475 £95,000 £90,000
Central London median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +13.21%

Unix
Job Vacancy Trend in the City of London

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

Job vacancy trend for Unix in the City of London

Unix
Salary Trend in the City of London

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

Salary trend for Unix in the City of London

Unix
Salary Histogram in the City of London

Salary distribution for jobs citing Unix in the City of London over the 6 months to 26 September 2020.

Salary histogram for Unix in the City of London

For the 6 months to 26 September 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 City of London region with a requirement for Unix.

1 61 (50.41%) Linux
2 53 (43.80%) Java
3 51 (42.15%) Finance
4 46 (38.02%) Python
5 41 (33.88%) Oracle
6 38 (31.40%) DevOps
7 35 (28.93%) JIRA
8 33 (27.27%) Agile Software Development
9 32 (26.45%) AWS
10 31 (25.62%) SQL
11 24 (19.83%) Data Management
12 23 (19.01%) Workflow
12 23 (19.01%) Project Management
12 23 (19.01%) ServiceNow
13 22 (18.18%) Shell Script
13 22 (18.18%) Windows
13 22 (18.18%) Banking
14 21 (17.36%) ITIL
15 20 (16.53%) Ansible
15 20 (16.53%) SQL Server
16 19 (15.70%) Active Directory
16 19 (15.70%) Remedy
16 19 (15.70%) Oracle Workflow
16 19 (15.70%) ITSM
16 19 (15.70%) Italian Language
16 19 (15.70%) Remedy ITSM
17 18 (14.88%) VMware
17 18 (14.88%) Azure
17 18 (14.88%) Puppet
18 17 (14.05%) Opscode Chef

Unix
Co-occurring IT Skills in the City of 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 19 (15.70%) Oracle Workflow
2 8 (6.61%) Tomcat
3 5 (4.13%) Apache
3 5 (4.13%) Confluence
3 5 (4.13%) IIS
3 5 (4.13%) SAS
4 4 (3.31%) Apache Spark
5 2 (1.65%) MQSeries
6 1 (0.83%) Cloud Foundry
Applications
1 1 (0.83%) Microsoft Excel
Business Applications
1 19 (15.70%) Remedy ITSM
2 3 (2.48%) Salerio
3 1 (0.83%) Temenos T24
Cloud Services
1 32 (26.45%) AWS
2 18 (14.88%) Azure
3 5 (4.13%) Office 365
3 5 (4.13%) Power Platform
4 3 (2.48%) Amazon ECS
4 3 (2.48%) GCP
5 2 (1.65%) Amazon EC2
5 2 (1.65%) PaaS
5 2 (1.65%) SaaS
6 1 (0.83%) Amazon CloudWatch
6 1 (0.83%) Azure Active Directory
6 1 (0.83%) Azure Data Factory
6 1 (0.83%) Azure Functions
6 1 (0.83%) Datadog
6 1 (0.83%) Heroku
6 1 (0.83%) Lucidchart
6 1 (0.83%) Serverless
Communications & Networking
1 17 (14.05%) Firewall
2 8 (6.61%) LAN
2 8 (6.61%) WAN
3 6 (4.96%) DNS
3 6 (4.96%) SSL
3 6 (4.96%) VPN
3 6 (4.96%) Wireshark
4 5 (4.13%) Cisco ASA
4 5 (4.13%) F5 BIG-IP GTM
4 5 (4.13%) F5 BIG-IP LTM
4 5 (4.13%) SNMP
4 5 (4.13%) TCP/IP
5 4 (3.31%) Network Security
6 3 (2.48%) SSH
7 2 (1.65%) Ethernet
7 2 (1.65%) Junos
7 2 (1.65%) MPLS
7 2 (1.65%) VPLS
8 1 (0.83%) HTTPS
8 1 (0.83%) NAS
Database & Business Intelligence
1 20 (16.53%) SQL Server
2 9 (7.44%) SQL Server Integration Services
3 8 (6.61%) Hadoop
4 6 (4.96%) DataStage
4 6 (4.96%) Oracle Database
4 6 (4.96%) Snowflake Schema
5 5 (4.13%) Apache Hive
5 5 (4.13%) Big Data
5 5 (4.13%) BusinessObjects
5 5 (4.13%) Impala
5 5 (4.13%) Pentaho
5 5 (4.13%) PostgreSQL
5 5 (4.13%) Power BI
6 4 (3.31%) MongoDB
6 4 (3.31%) NoSQL
7 2 (1.65%) Data Warehouse
7 2 (1.65%) KDB
7 2 (1.65%) Kdb+
7 2 (1.65%) MySQL
7 2 (1.65%) Relational Database
Development Applications
1 35 (28.93%) JIRA
2 8 (6.61%) Jenkins
3 7 (5.79%) Git (software)
4 4 (3.31%) Atlassian Bamboo
5 3 (2.48%) Bitbucket
5 3 (2.48%) Maven
6 2 (1.65%) Subversion
6 2 (1.65%) Vagrant
7 1 (0.83%) Artifactory
7 1 (0.83%) eggPlant
7 1 (0.83%) GitLab
7 1 (0.83%) Hudson
7 1 (0.83%) Locust
7 1 (0.83%) Visual Studio
7 1 (0.83%) Visual Studio Team System
7 1 (0.83%) Visual Studio Tools for Office
General
1 51 (42.15%) Finance
2 22 (18.18%) Banking
3 19 (15.70%) Italian Language
4 16 (13.22%) Investment Banking
5 8 (6.61%) Front Office
6 2 (1.65%) Advertising
6 2 (1.65%) Back Office
6 2 (1.65%) Financial Institution
7 1 (0.83%) Electronics
7 1 (0.83%) International Banking
7 1 (0.83%) Manufacturing
7 1 (0.83%) Marketing
7 1 (0.83%) Public Sector
7 1 (0.83%) Retail
7 1 (0.83%) Telecoms
Job Titles
1 21 (17.36%) DevOps Engineer
2 19 (15.70%) Customer Support Manager
2 19 (15.70%) Support Manager
3 16 (13.22%) Analyst
4 14 (11.57%) Developer
5 13 (10.74%) ITIL Manager
6 12 (9.92%) Python Engineer
7 11 (9.09%) Administrator
8 10 (8.26%) Applications Support
8 10 (8.26%) Support Analyst
9 9 (7.44%) AWS DevOps
9 9 (7.44%) AWS DevOps Engineer
9 9 (7.44%) AWS Engineer
9 9 (7.44%) Site Engineer
9 9 (7.44%) Site Reliability Engineer
10 7 (5.79%) Applications Support Analyst
10 7 (5.79%) Data Engineer
10 7 (5.79%) Network Engineer
10 7 (5.79%) Senior Developer
11 6 (4.96%) Information Analyst
Libraries, Frameworks & Software Standards
1 9 (7.44%) Spring
2 8 (6.61%) Elastic Stack
2 8 (6.61%) Web Services
3 7 (5.79%) .NET
3 7 (5.79%) XML
4 6 (4.96%) XSLT
4 6 (4.96%) YAML
5 5 (4.13%) 802.1X
5 5 (4.13%) Node.js
5 5 (4.13%) React
6 4 (3.31%) AngularJS
6 4 (3.31%) Hibernate
6 4 (3.31%) JMS
6 4 (3.31%) XSD
7 3 (2.48%) Akka
7 3 (2.48%) Dask
7 3 (2.48%) JAXB
7 3 (2.48%) Regular Expression
7 3 (2.48%) REST
7 3 (2.48%) Spring WebFlux
Miscellaneous
1 9 (7.44%) Analytical Skills
2 7 (5.79%) Equities
2 7 (5.79%) Management Information System
3 6 (4.96%) Cyber Kill Chain
3 6 (4.96%) Robotics
3 6 (4.96%) SWIFT
4 5 (4.13%) Derivative
4 5 (4.13%) Linux Command Line
5 4 (3.31%) Market Risk
6 3 (2.48%) Foreign Exchange (FX)
6 3 (2.48%) Public Cloud
7 2 (1.65%) Algorithms
7 2 (1.65%) Data Structures
7 2 (1.65%) Fixed Income
7 2 (1.65%) Greenfield Project
7 2 (1.65%) Self-Motivation
8 1 (0.83%) Blog
8 1 (0.83%) Cyber Defence
8 1 (0.83%) Enterprise Software
8 1 (0.83%) Wiki
Operating Systems
1 61 (50.41%) Linux
2 22 (18.18%) Windows
3 11 (9.09%) Windows Server
4 10 (8.26%) Solaris
5 6 (4.96%) Red Hat Enterprise Linux
5 6 (4.96%) Windows XP
6 3 (2.48%) Windows 10
6 3 (2.48%) Windows 7
6 3 (2.48%) Windows Server 2008
7 2 (1.65%) VMS
8 1 (0.83%) CentOS
8 1 (0.83%) Fedora
8 1 (0.83%) Mac OS
8 1 (0.83%) Ubuntu
Processes & Methodologies
1 38 (31.40%) DevOps
2 33 (27.27%) Agile Software Development
3 24 (19.83%) Data Management
4 23 (19.01%) Project Management
4 23 (19.01%) Workflow
5 21 (17.36%) ITIL
6 19 (15.70%) ITSM
7 13 (10.74%) Continuous Integration
8 12 (9.92%) Problem-Solving
9 11 (9.09%) Configuration Management
9 11 (9.09%) ETL
9 11 (9.09%) Software Engineering
10 10 (8.26%) Site Reliability Engineering
10 10 (8.26%) TDD
11 9 (7.44%) Data Modelling
11 9 (7.44%) Mentoring
12 8 (6.61%) Fintech
12 8 (6.61%) Information Security
12 8 (6.61%) Infrastructure Automation
12 8 (6.61%) Problem Management
Programming Languages
1 53 (43.80%) Java
2 46 (38.02%) Python
3 31 (25.62%) SQL
4 22 (18.18%) Shell Script
5 16 (13.22%) JavaScript
6 13 (10.74%) C++
7 11 (9.09%) Bash Shell
8 9 (7.44%) PowerShell
9 6 (4.96%) PL/SQL
10 5 (4.13%) C#
10 5 (4.13%) HiveQL
10 5 (4.13%) Perl
10 5 (4.13%) R
11 4 (3.31%) PHP
11 4 (3.31%) Scala
12 3 (2.48%) C
12 3 (2.48%) Ruby
13 2 (1.65%) Go
13 2 (1.65%) Groovy
13 2 (1.65%) Korn
Qualifications
1 13 (10.74%) PMP
2 11 (9.09%) Cisco Certification
3 6 (4.96%) (ISC)2 CCSP
3 6 (4.96%) CCSP
3 6 (4.96%) CISM
3 6 (4.96%) CISSP
3 6 (4.96%) CREST Certified
3 6 (4.96%) GCFA
3 6 (4.96%) GCIA
3 6 (4.96%) GCIH
4 5 (4.13%) CCNP
5 4 (3.31%) Degree
6 2 (1.65%) ITIL Foundation Certificate
7 1 (0.83%) AWS Certification
7 1 (0.83%) Computer Science Degree
7 1 (0.83%) GIAC
Quality Assurance & Compliance
1 6 (4.96%) COBIT
1 6 (4.96%) Data Quality
1 6 (4.96%) NIST
2 4 (3.31%) QA
3 2 (1.65%) SLA
4 1 (0.83%) GDPR
System Software
1 19 (15.70%) Active Directory
2 14 (11.57%) Docker
3 11 (9.09%) VMware Infrastructure
4 5 (4.13%) HDFS
5 2 (1.65%) VirtualBox
6 1 (0.83%) Cronacle
6 1 (0.83%) VMware Workstation
6 1 (0.83%) XenApp
Systems Management
1 20 (16.53%) Ansible
2 18 (14.88%) Puppet
3 17 (14.05%) Opscode Chef
4 13 (10.74%) Kubernetes
5 10 (8.26%) Control-M
6 9 (7.44%) Terraform
7 6 (4.96%) CSIRT
8 4 (3.31%) BMC PATROL
8 4 (3.31%) Nagios
8 4 (3.31%) Salt
9 3 (2.48%) logstash
9 3 (2.48%) Prometheus
10 1 (0.83%) Grafana
10 1 (0.83%) Icinga
10 1 (0.83%) Red Hat Satellite
10 1 (0.83%) Single Sign-On
10 1 (0.83%) ZABBIX
Vendors
1 41 (33.88%) Oracle
2 23 (19.01%) ServiceNow
3 19 (15.70%) Remedy
4 18 (14.88%) VMware
5 15 (12.40%) Microsoft
6 11 (9.09%) Cisco
6 11 (9.09%) Informatica
7 6 (4.96%) Red Hat
7 6 (4.96%) Teradata
8 5 (4.13%) CheckPoint
8 5 (4.13%) Cloudera
8 5 (4.13%) F5
8 5 (4.13%) Palo Alto
8 5 (4.13%) Talend
9 3 (2.48%) Google
9 3 (2.48%) Sybase
10 2 (1.65%) Bloomberg
10 2 (1.65%) Citrix
10 2 (1.65%) Juniper
10 2 (1.65%) Reuters