Period
to 27 November 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 27 November 2020 with a comparison to the same period in the previous 2 years.

Unix
Central London > City of London
6 months to
27 Nov 2020
Same period 2019 Same period 2018
Rank 97 78 90
Rank change year-on-year -19 +12 -44
Permanent jobs citing Unix 117 358 389
As % of all permanent jobs advertised in the City of London 2.89% 3.59% 3.48%
As % of the Operating Systems category 15.35% 16.04% 15.33%
Number of salaries quoted 114 291 371
Median annual salary £70,000 £75,000 £70,000
Median salary % change year-on-year -6.67% +7.14% +3.70%
10th Percentile £52,875 £46,250 £46,500
90th Percentile £91,250 £120,000 £98,750
Central London median annual salary £70,000 £75,000 £70,000
% change year-on-year -6.67% +7.14% +7.69%

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 762 2,232 2,538
As % of all permanent IT jobs advertised in the City of London 18.83% 22.36% 22.73%
Number of salaries quoted 675 1,872 2,242
Median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +9.09%
10th Percentile £35,000 £27,750 £28,500
90th Percentile £92,500 £96,250 £93,750
Central London median annual salary £65,000 £60,000 £58,625
% change year-on-year +8.33% +2.35% +6.59%

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 27 November 2020.

Salary histogram for Unix in the City of London

Unix
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Unix within the City of London region over the 6 months to 27 November 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
London Bridge +20 1 £60,000 +33.33%
Unix
Central London

For the 6 months to 27 November 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 64 (54.70%) Linux
2 49 (41.88%) Java
2 49 (41.88%) Finance
3 46 (39.32%) Python
4 42 (35.90%) AWS
5 40 (34.19%) Agile Software Development
6 38 (32.48%) DevOps
7 33 (28.21%) Oracle
8 31 (26.50%) SQL
9 25 (21.37%) Windows
9 25 (21.37%) JIRA
10 23 (19.66%) Banking
10 23 (19.66%) Azure
11 22 (18.80%) Active Directory
12 19 (16.24%) ITIL
12 19 (16.24%) VMware
12 19 (16.24%) Data Management
13 18 (15.38%) Ansible
13 18 (15.38%) Firewall
14 17 (14.53%) Project Management
14 17 (14.53%) Shell Script
14 17 (14.53%) SQL Server
14 17 (14.53%) Puppet
15 16 (13.68%) Opscode Chef
15 16 (13.68%) JavaScript
15 16 (13.68%) Microsoft
15 16 (13.68%) Investment Banking
15 16 (13.68%) Continuous Integration
16 15 (12.82%) Workflow
17 14 (11.97%) ITSM

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 14 (11.97%) Oracle Workflow
2 7 (5.98%) Tomcat
3 6 (5.13%) Apache
3 6 (5.13%) Confluence
3 6 (5.13%) SAS
4 5 (4.27%) IIS
5 4 (3.42%) Apache Spark
6 1 (0.85%) Cloud Foundry
Applications
1 1 (0.85%) Microsoft Excel
1 1 (0.85%) Spreadsheet
Business Applications
1 14 (11.97%) Remedy ITSM
2 1 (0.85%) Temenos T24
Cloud Services
1 42 (35.90%) AWS
2 23 (19.66%) Azure
3 6 (5.13%) Power Platform
4 5 (4.27%) Office 365
4 5 (4.27%) PaaS
5 3 (2.56%) Amazon ECS
5 3 (2.56%) GCP
6 2 (1.71%) Amazon EC2
6 2 (1.71%) SaaS
7 1 (0.85%) Amazon CloudWatch
7 1 (0.85%) Azure Active Directory
7 1 (0.85%) Azure Data Factory
7 1 (0.85%) Azure Functions
7 1 (0.85%) Datadog
7 1 (0.85%) Heroku
7 1 (0.85%) IaaS
7 1 (0.85%) Lucidchart
7 1 (0.85%) OpenShift
7 1 (0.85%) Salesforce Sales Cloud
7 1 (0.85%) Serverless
Communications & Networking
1 18 (15.38%) Firewall
2 11 (9.40%) LAN
2 11 (9.40%) WAN
3 9 (7.69%) DNS
4 8 (6.84%) VPN
5 7 (5.98%) SSL
5 7 (5.98%) Wireshark
6 6 (5.13%) Network Security
7 5 (4.27%) TCP/IP
8 4 (3.42%) Cisco ASA
8 4 (3.42%) F5 BIG-IP GTM
8 4 (3.42%) F5 BIG-IP LTM
8 4 (3.42%) SNMP
9 3 (2.56%) Intrusion Detection
9 3 (2.56%) SSH
10 1 (0.85%) Ethernet
10 1 (0.85%) HTTPS
10 1 (0.85%) Internet
10 1 (0.85%) MPLS
10 1 (0.85%) VPLS
Database & Business Intelligence
1 17 (14.53%) SQL Server
2 9 (7.69%) Hadoop
3 8 (6.84%) Oracle Database
4 7 (5.98%) SQL Server Integration Services
5 6 (5.13%) Apache Hive
5 6 (5.13%) Big Data
5 6 (5.13%) BusinessObjects
5 6 (5.13%) Impala
5 6 (5.13%) Pentaho
5 6 (5.13%) PostgreSQL
5 6 (5.13%) Power BI
6 4 (3.42%) DataStage
6 4 (3.42%) MongoDB
6 4 (3.42%) MySQL
6 4 (3.42%) NoSQL
6 4 (3.42%) Relational Database
6 4 (3.42%) Snowflake Schema
7 2 (1.71%) Data Warehouse
7 2 (1.71%) KDB
7 2 (1.71%) SQL Server Reporting Services
Development Applications
1 25 (21.37%) JIRA
2 11 (9.40%) Jenkins
3 6 (5.13%) GitLab
4 5 (4.27%) Git (software)
5 4 (3.42%) Atlassian Bamboo
5 4 (3.42%) Cucumber
5 4 (3.42%) REST Assured
5 4 (3.42%) Selenium
5 4 (3.42%) SoapUI
6 3 (2.56%) Bitbucket
6 3 (2.56%) Maven
7 2 (1.71%) Subversion
7 2 (1.71%) Vagrant
8 1 (0.85%) eggPlant
8 1 (0.85%) Hudson
8 1 (0.85%) Locust
8 1 (0.85%) Visual Studio
8 1 (0.85%) Visual Studio Team System
8 1 (0.85%) Visual Studio Tools for Office
General
1 49 (41.88%) Finance
2 23 (19.66%) Banking
3 16 (13.68%) Investment Banking
4 14 (11.97%) Italian Language
5 11 (9.40%) Front Office
6 6 (5.13%) Advertising
7 5 (4.27%) Back Office
8 1 (0.85%) Electronics
8 1 (0.85%) Financial Institution
8 1 (0.85%) International Banking
8 1 (0.85%) Manufacturing
8 1 (0.85%) Marketing
8 1 (0.85%) Public Sector
8 1 (0.85%) Retail
8 1 (0.85%) Telecoms
Job Titles
1 19 (16.24%) Developer
1 19 (16.24%) DevOps Engineer
2 14 (11.97%) Customer Support Manager
2 14 (11.97%) Support Manager
3 13 (11.11%) Analyst
3 13 (11.11%) ITIL Manager
4 12 (10.26%) AWS DevOps
5 10 (8.55%) Administrator
5 10 (8.55%) AWS DevOps Engineer
5 10 (8.55%) AWS Engineer
5 10 (8.55%) Java Developer
5 10 (8.55%) Senior Developer
5 10 (8.55%) Site Engineer
5 10 (8.55%) Site Reliability Engineer
6 8 (6.84%) Data Engineer
6 8 (6.84%) Risk Analyst
7 7 (5.98%) Information Analyst
7 7 (5.98%) Information Risk Analyst
7 7 (5.98%) Information Security Analyst
7 7 (5.98%) Python Engineer
Libraries, Frameworks & Software Standards
1 13 (11.11%) Spring
2 9 (7.69%) Web Services
3 8 (6.84%) AngularJS
3 8 (6.84%) XML
4 7 (5.98%) FIX Protocol
4 7 (5.98%) JMS
4 7 (5.98%) React
4 7 (5.98%) YAML
5 6 (5.13%) Node.js
6 4 (3.42%) .NET
6 4 (3.42%) 802.1X
6 4 (3.42%) Gherkin
6 4 (3.42%) Hibernate
6 4 (3.42%) XSD
6 4 (3.42%) XSLT
7 3 (2.56%) Dask
7 3 (2.56%) JAXB
7 3 (2.56%) Middleware
7 3 (2.56%) Spring WebFlux
7 3 (2.56%) Ultra Messaging
Miscellaneous
1 9 (7.69%) Analytical Skills
1 9 (7.69%) Management Information System
2 7 (5.98%) Cyber Kill Chain
2 7 (5.98%) Robotics
3 6 (5.13%) Derivative
4 5 (4.27%) Algorithms
4 5 (4.27%) Fixed Income
4 5 (4.27%) Linux Command Line
4 5 (4.27%) SWIFT
5 4 (3.42%) Data Structures
5 4 (3.42%) Market Risk
6 3 (2.56%) Equities
6 3 (2.56%) Public Cloud
6 3 (2.56%) Reference Data
7 2 (1.71%) Hedge funds
8 1 (0.85%) Distributed Denial-of-Service
8 1 (0.85%) Enterprise Software
8 1 (0.85%) Foreign Exchange (FX)
8 1 (0.85%) OTC Derivatives
8 1 (0.85%) Self-Motivation
Operating Systems
1 64 (54.70%) Linux
2 25 (21.37%) Windows
3 9 (7.69%) Windows Server
4 7 (5.98%) Red Hat Enterprise Linux
4 7 (5.98%) Solaris
4 7 (5.98%) Windows XP
5 2 (1.71%) Ubuntu
5 2 (1.71%) VMS
6 1 (0.85%) CentOS
6 1 (0.85%) Fedora
Processes & Methodologies
1 40 (34.19%) Agile Software Development
2 38 (32.48%) DevOps
3 19 (16.24%) Data Management
3 19 (16.24%) ITIL
4 17 (14.53%) Project Management
5 16 (13.68%) Continuous Integration
6 15 (12.82%) Workflow
7 14 (11.97%) Configuration Management
7 14 (11.97%) ITSM
7 14 (11.97%) TDD
8 12 (10.26%) Information Security
8 12 (10.26%) Software Engineering
9 11 (9.40%) Fintech
9 11 (9.40%) Site Reliability Engineering
10 10 (8.55%) ETL
10 10 (8.55%) Test Automation
11 9 (7.69%) Infrastructure as Code
11 9 (7.69%) Scrum
12 8 (6.84%) Problem-Solving
12 8 (6.84%) SIEM
Programming Languages
1 49 (41.88%) Java
2 46 (39.32%) Python
3 31 (26.50%) SQL
4 17 (14.53%) Shell Script
5 16 (13.68%) JavaScript
6 13 (11.11%) Bash Shell
7 10 (8.55%) C++
7 10 (8.55%) PHP
8 8 (6.84%) PowerShell
9 7 (5.98%) Perl
9 7 (5.98%) PL/SQL
10 6 (5.13%) HiveQL
11 5 (4.27%) C#
11 5 (4.27%) R
12 4 (3.42%) Ruby
12 4 (3.42%) Scala
13 2 (1.71%) Groovy
13 2 (1.71%) Korn
14 1 (0.85%) T-SQL
14 1 (0.85%) VBScript
Qualifications
1 13 (11.11%) PMP
2 12 (10.26%) Cisco Certification
3 10 (8.55%) CISSP
4 8 (6.84%) (ISC)2 CCSP
4 8 (6.84%) CCSP
4 8 (6.84%) CISM
5 7 (5.98%) CREST Certified
5 7 (5.98%) GCFA
5 7 (5.98%) GCIA
5 7 (5.98%) GCIH
6 5 (4.27%) Degree
7 4 (3.42%) CCNP
8 3 (2.56%) GSEC
9 2 (1.71%) ITIL Foundation Certificate
10 1 (0.85%) CISA
10 1 (0.85%) Computer Science Degree
10 1 (0.85%) CRISC
Quality Assurance & Compliance
1 9 (7.69%) QA
2 7 (5.98%) COBIT
2 7 (5.98%) NIST
3 4 (3.42%) Data Quality
4 3 (2.56%) ISO/IEC 27001
5 1 (0.85%) GDPR
5 1 (0.85%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 22 (18.80%) Active Directory
2 13 (11.11%) Docker
3 11 (9.40%) VMware Infrastructure
4 6 (5.13%) HDFS
5 2 (1.71%) VirtualBox
6 1 (0.85%) Cronacle
6 1 (0.85%) VMware Workstation
Systems Management
1 18 (15.38%) Ansible
2 17 (14.53%) Puppet
3 16 (13.68%) Opscode Chef
4 12 (10.26%) Kubernetes
5 11 (9.40%) Terraform
6 9 (7.69%) Control-M
7 7 (5.98%) CSIRT
8 5 (4.27%) Salt
9 3 (2.56%) ITRS Geneos
9 3 (2.56%) logstash
10 2 (1.71%) BMC PATROL
10 2 (1.71%) Nagios
10 2 (1.71%) Packer
10 2 (1.71%) vCenter Server
11 1 (0.85%) CASB
11 1 (0.85%) Grafana
11 1 (0.85%) HAProxy
11 1 (0.85%) Single Sign-On
11 1 (0.85%) ZABBIX
Vendors
1 33 (28.21%) Oracle
2 19 (16.24%) VMware
3 16 (13.68%) Microsoft
4 14 (11.97%) Remedy
4 14 (11.97%) ServiceNow
5 12 (10.26%) Cisco
6 10 (8.55%) Informatica
7 6 (5.13%) Cloudera
7 6 (5.13%) Talend
8 4 (3.42%) CheckPoint
8 4 (3.42%) F5
8 4 (3.42%) Palo Alto
8 4 (3.42%) Red Hat
8 4 (3.42%) Sybase
8 4 (3.42%) Teradata
9 3 (2.56%) Google
9 3 (2.56%) Solace
10 2 (1.71%) Bloomberg
10 2 (1.71%) Reuters
11 1 (0.85%) Salesforce.com