Period
to 7 December 2019

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 7 December 2019 with a comparison to the same period in the previous 2 years.

Unix
Central London > City of London
6 months to
7 Dec 2019
Same period 2018 Same period 2017
Rank 85 93 46
Rank change year-on-year +8 -47 -7
Permanent jobs citing Unix 344 374 515
As % of all permanent IT jobs advertised in the City of London 3.51% 3.44% 5.00%
As % of the Operating Systems category 15.80% 15.07% 21.79%
Number of salaries quoted 275 337 445
City of London median annual salary £75,000 £70,000 £67,500
Median salary % change year-on-year +7.14% +3.70% +3.85%
10th Percentile £46,750 £47,500 £42,500
90th Percentile £120,000 £101,750 £90,000
Central London median annual salary £75,000 £70,000 £67,500
% change year-on-year +7.14% +3.70% +8.00%

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 2,177 2,481 2,364
As % of all permanent IT jobs advertised in the City of London 22.20% 22.79% 22.96%
Number of salaries quoted 1,823 2,193 2,146
City of London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £27,500 £28,500 £31,250
90th Percentile £97,500 £93,500 £86,875
Central London median annual salary £60,000 £57,750 £55,000
% change year-on-year +3.90% +5.00% -

Unix
Job Vacancy Trend in the City of London

Job postings citing Unix as a percentage 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

This chart provides the 3-month moving average for salaries quoted in permanent IT 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

The salary distribution of IT jobs citing Unix in the City of London over the 6 months to 7 December 2019.

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 7 December 2019. 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 -11 2 £45,000 +12.50%
Unix
Central London

For the 6 months to 7 December 2019, 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.

1 238 (69.19%) Linux
2 164 (47.67%) Finance
3 142 (41.28%) Python
4 137 (39.83%) SQL
5 113 (32.85%) Java
6 112 (32.56%) AWS
7 102 (29.65%) Windows
8 80 (23.26%) DevOps
9 77 (22.38%) Degree
10 70 (20.35%) Azure
10 70 (20.35%) Problem-Solving
11 66 (19.19%) Agile Software Development
12 61 (17.73%) Computer Science
13 59 (17.15%) Oracle
14 54 (15.70%) JavaScript
15 51 (14.83%) Docker
16 50 (14.53%) Analytical Skills
16 50 (14.53%) C++
16 50 (14.53%) Banking
17 48 (13.95%) Hedge funds
17 48 (13.95%) Analytics
18 45 (13.08%) Kubernetes
19 43 (12.50%) Bash Shell
19 43 (12.50%) Google
20 41 (11.92%) Machine Learning
21 38 (11.05%) Big Data
21 38 (11.05%) SQL Server
21 38 (11.05%) XML
22 36 (10.47%) Hadoop
22 36 (10.47%) Ansible

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 26 (7.56%) Apache Spark
2 10 (2.91%) Confluence
3 8 (2.33%) Apache
4 6 (1.74%) SAS
5 4 (1.16%) MQSeries
5 4 (1.16%) MS Exchange
5 4 (1.16%) OpenStack
5 4 (1.16%) Tomcat
6 3 (0.87%) IIS
7 2 (0.58%) MTS
8 1 (0.29%) nginx
8 1 (0.29%) Oracle SOA Suite
8 1 (0.29%) WordPress
Applications
1 5 (1.45%) Microsoft Excel
2 4 (1.16%) Microsoft Office
3 1 (0.29%) Spreadsheet
Business Applications
1 7 (2.03%) Salesforce.com CRM
2 5 (1.45%) R3 Corda
3 3 (0.87%) SnowdropKCS
3 3 (0.87%) Temenos T24
4 2 (0.58%) Temenos Globus
5 1 (0.29%) Dynamics CRM
5 1 (0.29%) Oracle EBS
5 1 (0.29%) Salerio
Cloud Services
1 112 (32.56%) AWS
2 70 (20.35%) Azure
3 32 (9.30%) GCP
4 9 (2.62%) AWS CloudFormation
5 7 (2.03%) IaaS
5 7 (2.03%) SaaS
5 7 (2.03%) Salesforce Sales Cloud
6 6 (1.74%) Datadog
7 5 (1.45%) GitHub
7 5 (1.45%) Serverless
8 4 (1.16%) Azure Data Factory
8 4 (1.16%) DigitalOcean
8 4 (1.16%) Linode
8 4 (1.16%) Office 365
8 4 (1.16%) Power Platform
8 4 (1.16%) Trello
8 4 (1.16%) Virtual Private Cloud
9 3 (0.87%) Amazon EC2
9 3 (0.87%) AWS Lambda
9 3 (0.87%) PaaS
Communications & Networking
1 28 (8.14%) TCP/IP
2 19 (5.52%) Firewall
2 19 (5.52%) Intrusion Detection
3 17 (4.94%) HTTP
4 15 (4.36%) HTTPS
5 13 (3.78%) DNS
6 12 (3.49%) IPsec
7 8 (2.33%) DHCP
7 8 (2.33%) Network Security
8 4 (1.16%) Cisco ASA
8 4 (1.16%) DMZ
9 3 (0.87%) Cisco Firepower
9 3 (0.87%) LAN
9 3 (0.87%) SAN
9 3 (0.87%) SMTP
10 2 (0.58%) BIG-IP
10 2 (0.58%) SSL
10 2 (0.58%) tcpdump
10 2 (0.58%) WAN
10 2 (0.58%) Wireless
Database & Business Intelligence
1 38 (11.05%) Big Data
1 38 (11.05%) SQL Server
2 36 (10.47%) Hadoop
3 29 (8.43%) MySQL
4 21 (6.10%) NoSQL
5 19 (5.52%) Relational Database
6 17 (4.94%) Oracle Database
7 15 (4.36%) KDB
8 13 (3.78%) Data Warehouse
9 12 (3.49%) MongoDB
10 11 (3.20%) SQL Server Integration Services
11 10 (2.91%) Amazon Redshift
11 10 (2.91%) SQL Server Reporting Services
12 8 (2.33%) Blockchain
13 7 (2.03%) OLTP
14 6 (1.74%) Data Lake
14 6 (1.74%) Pentaho
14 6 (1.74%) RDBMS
15 4 (1.16%) Azure SQL Data Warehouse
15 4 (1.16%) Power BI
Development Applications
1 33 (9.59%) Git (software)
2 21 (6.10%) JIRA
3 15 (4.36%) Jenkins
4 11 (3.20%) Bitbucket
5 8 (2.33%) Visual Studio
6 7 (2.03%) Artifactory
6 7 (2.03%) ER Studio
6 7 (2.03%) ERwin
6 7 (2.03%) Maven
6 7 (2.03%) PowerDesigner
6 7 (2.03%) Subversion
7 6 (1.74%) Cucumber
8 5 (1.45%) NetBeans
9 4 (1.16%) Eclipse
9 4 (1.16%) Team Foundation Server
10 3 (0.87%) GCC
10 3 (0.87%) Postman
11 2 (0.58%) Jasmine
11 2 (0.58%) JUnit
11 2 (0.58%) PhantomJS
General
1 164 (47.67%) Finance
2 50 (14.53%) Banking
3 28 (8.14%) Investment Banking
4 24 (6.98%) Front Office
5 13 (3.78%) Financial Institution
6 11 (3.20%) Marketing
7 10 (2.91%) Advertising
8 9 (2.62%) Back Office
8 9 (2.62%) Legal
9 3 (0.87%) International Banking
9 3 (0.87%) Law
9 3 (0.87%) Retail
10 1 (0.29%) Retail Banking
10 1 (0.29%) Telecoms
Job Titles
1 90 (26.16%) Developer
2 47 (13.66%) Analyst
3 28 (8.14%) DevOps Engineer
4 26 (7.56%) Data Engineer
4 26 (7.56%) Senior Developer
4 26 (7.56%) Support Engineer
5 24 (6.98%) Java Developer
5 24 (6.98%) Python Developer
6 22 (6.40%) Support Analyst
7 20 (5.81%) Linux Engineer
8 15 (4.36%) Python Engineer
9 14 (4.07%) Applications Support
9 14 (4.07%) Senior Data Engineer
10 13 (3.78%) C++ Developer
10 13 (3.78%) Consultant
10 13 (3.78%) Security Engineer
11 12 (3.49%) Quantitative Developer
12 11 (3.20%) Cloud Engineer
12 11 (3.20%) Operations Analyst
13 10 (2.91%) AWS Engineer
Libraries, Frameworks & Software Standards
1 38 (11.05%) XML
2 31 (9.01%) FIX Protocol
3 23 (6.69%) Keras
3 23 (6.69%) Pandas
3 23 (6.69%) scikit-learn
3 23 (6.69%) TensorFlow
4 21 (6.10%) Web Services
5 20 (5.81%) Node.js
6 19 (5.52%) CSS
6 19 (5.52%) GraphQL
6 19 (5.52%) HTML
6 19 (5.52%) XSLT
7 16 (4.65%) REST
8 15 (4.36%) J2EE
8 15 (4.36%) JSON
9 14 (4.07%) React
9 14 (4.07%) XSD
10 12 (3.49%) Regular Expression
11 11 (3.20%) Elastic Stack
11 11 (3.20%) Spring
Miscellaneous
1 50 (14.53%) Analytical Skills
2 48 (13.95%) Hedge funds
3 32 (9.30%) Linux Command Line
4 27 (7.85%) Algorithms
5 22 (6.40%) Data Structures
6 19 (5.52%) Equities
6 19 (5.52%) Management Information System
7 15 (4.36%) Fixed Income
8 14 (4.07%) Public Cloud
9 13 (3.78%) Enterprise Software
10 11 (3.20%) Greenfield Project
10 11 (3.20%) Self-Motivation
11 9 (2.62%) Foreign Exchange (FX)
12 8 (2.33%) User Experience
13 7 (2.03%) Mobile Banking
14 6 (1.74%) Cyberthreat
15 5 (1.45%) Derivative
15 5 (1.45%) Security Operations Centre
15 5 (1.45%) SWIFT
16 4 (1.16%) Virtual Team
Operating Systems
1 238 (69.19%) Linux
2 102 (29.65%) Windows
3 21 (6.10%) Solaris
4 5 (1.45%) Mac OS
4 5 (1.45%) Windows Server
5 3 (0.87%) Mac OS X
5 3 (0.87%) Red Hat Enterprise Linux
6 2 (0.58%) Windows Server 2008
7 1 (0.29%) Kali Linux
7 1 (0.29%) Ubuntu
7 1 (0.29%) VyOS
7 1 (0.29%) Windows 10
7 1 (0.29%) Windows 7
7 1 (0.29%) Windows Server 2012
Processes & Methodologies
1 80 (23.26%) DevOps
2 70 (20.35%) Problem-Solving
3 66 (19.19%) Agile Software Development
4 61 (17.73%) Computer Science
5 48 (13.95%) Analytics
6 41 (11.92%) Machine Learning
7 30 (8.72%) Infrastructure as Code
7 30 (8.72%) SDLC
8 29 (8.43%) Artificial Intelligence
9 27 (7.85%) ITIL
9 27 (7.85%) Statistics
10 26 (7.56%) Continuous Integration
10 26 (7.56%) OO
11 25 (7.27%) Cybersecurity
11 25 (7.27%) Information Security
11 25 (7.27%) Security Operations
11 25 (7.27%) TDD
12 24 (6.98%) Data Analytics
13 23 (6.69%) Fintech
13 23 (6.69%) SIEM
Programming Languages
1 142 (41.28%) Python
2 137 (39.83%) SQL
3 113 (32.85%) Java
4 54 (15.70%) JavaScript
5 50 (14.53%) C++
6 43 (12.50%) Bash Shell
7 27 (7.85%) Scala
7 27 (7.85%) Shell Script
8 22 (6.40%) C#
8 22 (6.40%) Perl
9 21 (6.10%) TypeScript
10 13 (3.78%) PowerShell
11 12 (3.49%) Bourne shell
11 12 (3.49%) C-shell
11 12 (3.49%) Korn
12 11 (3.20%) C
12 11 (3.20%) VB
13 9 (2.62%) PL/SQL
14 7 (2.03%) VBA
15 5 (1.45%) Ruby
Qualifications
1 77 (22.38%) Degree
2 22 (6.40%) PhD
3 19 (5.52%) Master's Degree
4 10 (2.91%) Computer Science Degree
5 8 (2.33%) CISSP
5 8 (2.33%) MCP
5 8 (2.33%) Microsoft Certification
6 5 (1.45%) CISM
7 4 (1.16%) GIAC
7 4 (1.16%) RHCE
8 2 (0.58%) AWS Certification
8 2 (0.58%) CCNA
8 2 (0.58%) CCNP
8 2 (0.58%) CEH
8 2 (0.58%) Cisco Certification
8 2 (0.58%) OSCP
8 2 (0.58%) SANS
9 1 (0.29%) CREST Certified
9 1 (0.29%) ISTQB
9 1 (0.29%) SC Cleared
Quality Assurance & Compliance
1 28 (8.14%) QA
2 25 (7.27%) SLA
3 13 (3.78%) GDPR
4 4 (1.16%) Data Quality
5 2 (0.58%) Dodd-Frank
5 2 (0.58%) EMIR
5 2 (0.58%) ISO/IEC 20000
5 2 (0.58%) MiFID
6 1 (0.29%) COBIT
6 1 (0.29%) Sarbanes-Oxley
6 1 (0.29%) Solvency II
System Software
1 51 (14.83%) Docker
2 16 (4.65%) Active Directory
3 4 (1.16%) Firmware
3 4 (1.16%) NFS
3 4 (1.16%) VMware Workstation
3 4 (1.16%) Xen
4 3 (0.87%) Cronacle
4 3 (0.87%) ProxySG
5 2 (0.58%) HDFS
5 2 (0.58%) Veritas File System
5 2 (0.58%) Veritas Volume Manager
5 2 (0.58%) VMware ESXi
5 2 (0.58%) VMware Infrastructure
6 1 (0.29%) Hyper-V
6 1 (0.29%) Postfix
6 1 (0.29%) Snort
6 1 (0.29%) vSphere
Systems Management
1 45 (13.08%) Kubernetes
2 36 (10.47%) Ansible
3 33 (9.59%) Terraform
4 20 (5.81%) Puppet
5 19 (5.52%) Consul
6 16 (4.65%) Opscode Chef
7 12 (3.49%) Salt
8 5 (1.45%) Grafana
8 5 (1.45%) Graphite
8 5 (1.45%) Kibana
8 5 (1.45%) Prometheus
9 4 (1.16%) Data Guard
9 4 (1.16%) ITRS Geneos
10 3 (0.87%) Nagios
11 2 (0.58%) Control-M
11 2 (0.58%) QRadar
12 1 (0.29%) Host Intrusion Detection System
12 1 (0.29%) Packer
12 1 (0.29%) Rancher
12 1 (0.29%) Single Sign-On
Vendors
1 59 (17.15%) Oracle
2 43 (12.50%) Google
3 29 (8.43%) Microsoft
4 24 (6.98%) Sybase
5 16 (4.65%) VMware
6 11 (3.20%) CyberArk
6 11 (3.20%) ServiceNow
7 10 (2.91%) Splunk
8 9 (2.62%) Remedy
9 8 (2.33%) Cisco
10 7 (2.03%) Salesforce.com
11 6 (1.74%) Atlassian
11 6 (1.74%) Cloudera
11 6 (1.74%) Red Hat
12 5 (1.45%) F5
13 4 (1.16%) Bloomberg
13 4 (1.16%) Blue Prism
13 4 (1.16%) GoldenSource
13 4 (1.16%) MuleSoft
13 4 (1.16%) Reuters