Period
to 18 January 2020

The table below looks at the prevalence of the term Linux Command Line in permanent job vacancies advertised in the City of London. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux Command Line over the 6 months to 18 January 2020 with a comparison to the same period over the previous 2 years.

Linux/Unix Command Line Interface (CLI)
Central London > City of London
6 months to
18 Jan 2020
Same period 2019 Same period 2018
Rank 261 300 281
Rank change year-on-year +39 -19 +25
Permanent jobs citing Linux Command Line 43 35 52
As % of all permanent IT jobs advertised in the City of London 0.47% 0.34% 0.50%
As % of the Miscellaneous category 1.16% 0.82% 1.22%
Number of salaries quoted 34 31 47
City of London median annual salary £85,000 £60,000 £55,000
Median salary % change year-on-year +41.67% +9.09% +18.92%
10th Percentile £65,750 £47,500 £37,000
90th Percentile £97,500 £92,500 £67,500
Central London median annual salary £80,000 £60,000 £57,500
% change year-on-year +33.33% +4.35% +27.78%

Linux Command Line is in the Generic IT Skills 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 generic IT skills.

All Generic IT Skills
City of London
Permanent vacancies with a requirement for generic IT skills 3,695 4,258 4,274
As % of all permanent IT jobs advertised in the City of London 40.50% 41.46% 40.94%
Number of salaries quoted 3,155 3,797 3,794
City of London median annual salary £70,000 £65,000 £62,000
Median salary % change year-on-year +7.69% +4.84% +7.83%
10th Percentile £39,500 £40,000 £37,500
90th Percentile £105,450 £96,250 £97,500
Central London median annual salary £67,500 £65,000 £60,000
% change year-on-year +3.85% +8.33% +7.14%

Linux Command Line
Job Vacancy Trend in the City of London

Job postings citing Linux Command Line as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Linux Command Line in the City of London

Linux Command Line
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux Command Line in the City of London.

Salary trend for Linux Command Line in the City of London

Linux Command Line
Salary Histogram in the City of London

The salary distribution of IT jobs citing Linux Command Line in the City of London over the 6 months to 18 January 2020.

Salary histogram for Linux Command Line in the City of London

For the 6 months to 18 January 2020, IT jobs citing Linux Command Line 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 Linux Command Line.

1 34 (79.07%) Python
2 26 (60.47%) SQL
2 26 (60.47%) Azure
2 26 (60.47%) AWS
3 25 (58.14%) Unix
4 24 (55.81%) DevOps
4 24 (55.81%) Terraform
5 23 (53.49%) Java
6 21 (48.84%) Linux
6 21 (48.84%) Storage Management
6 21 (48.84%) Machine Learning
6 21 (48.84%) Analytics
7 20 (46.51%) Hadoop
7 20 (46.51%) Algorithms
7 20 (46.51%) Statistics
8 19 (44.19%) Computer Science
8 19 (44.19%) C++
8 19 (44.19%) Problem-Solving
8 19 (44.19%) Docker
8 19 (44.19%) Apache Spark
9 18 (41.86%) Analytical Skills
9 18 (41.86%) Big Data
9 18 (41.86%) Scala
9 18 (41.86%) Kubernetes
10 17 (39.53%) scikit-learn
10 17 (39.53%) TensorFlow
10 17 (39.53%) Data Science
10 17 (39.53%) Keras
10 17 (39.53%) Master's Degree
10 17 (39.53%) Data Structures

Linux Command Line
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 (44.19%) Apache Spark
2 2 (4.65%) WebSphere
3 1 (2.33%) Apache
3 1 (2.33%) CICS
3 1 (2.33%) Confluence
3 1 (2.33%) SAS
3 1 (2.33%) Tomcat
3 1 (2.33%) WebSphere Application Server
Cloud Services
1 26 (60.47%) AWS
1 26 (60.47%) Azure
2 5 (11.63%) Azure Active Directory
2 5 (11.63%) GCP
2 5 (11.63%) Office 365
3 4 (9.30%) Datadog
4 1 (2.33%) npm
4 1 (2.33%) Sumo Logic
Communications & Networking
1 8 (18.60%) DNS
2 6 (13.95%) SAN
3 5 (11.63%) TCP/IP
4 4 (9.30%) Firewall
5 3 (6.98%) Cisco ASA
5 3 (6.98%) Cisco Firepower
5 3 (6.98%) DHCP
5 3 (6.98%) HTTPS
5 3 (6.98%) Intrusion Detection
5 3 (6.98%) Network Security
6 2 (4.65%) BIG-IP
6 2 (4.65%) tcpdump
6 2 (4.65%) Wireshark
7 1 (2.33%) Broadband
7 1 (2.33%) HTTP
7 1 (2.33%) IPsec
7 1 (2.33%) SSH
Database & Business Intelligence
1 20 (46.51%) Hadoop
2 18 (41.86%) Big Data
3 6 (13.95%) Relational Database
4 4 (9.30%) PostgreSQL
5 2 (4.65%) Data Mining
5 2 (4.65%) Flink
5 2 (4.65%) Looker
5 2 (4.65%) MongoDB
5 2 (4.65%) Neo4j
5 2 (4.65%) NoSQL
5 2 (4.65%) RDBMS
5 2 (4.65%) Redis
5 2 (4.65%) SQL Server
6 1 (2.33%) Apache Hive
6 1 (2.33%) DB2
6 1 (2.33%) MySQL
6 1 (2.33%) Presto
Development Applications
1 6 (13.95%) Git (software)
2 2 (4.65%) Fiddler
3 1 (2.33%) Ant
3 1 (2.33%) Burp Suite
3 1 (2.33%) Gradle
3 1 (2.33%) Jenkins
3 1 (2.33%) JIRA
3 1 (2.33%) Maven
3 1 (2.33%) Metasploit
3 1 (2.33%) Octopus Deploy
3 1 (2.33%) TeamCity
General
1 11 (25.58%) Finance
2 5 (11.63%) Banking
3 1 (2.33%) Public Sector
Job Titles
1 16 (37.21%) Data Engineer
2 12 (27.91%) Senior Data Engineer
3 5 (11.63%) Administrator
3 5 (11.63%) Azure Administrator
3 5 (11.63%) Office 365 Administrator
4 4 (9.30%) Developer
4 4 (9.30%) Linux Engineer
5 3 (6.98%) Principal Engineer
6 2 (4.65%) DevOps Engineer
6 2 (4.65%) Infrastructure Engineer
6 2 (4.65%) Java Developer
6 2 (4.65%) Junior
6 2 (4.65%) Junior Java Developer
6 2 (4.65%) Machine Learning Engineer
6 2 (4.65%) Network Engineer
6 2 (4.65%) Network Security Engineer
6 2 (4.65%) Python Developer
6 2 (4.65%) Security Engineer
6 2 (4.65%) Senior Network Security Engineer
6 2 (4.65%) Senior Security Engineer
Libraries, Frameworks & Software Standards
1 17 (39.53%) Keras
1 17 (39.53%) Pandas
1 17 (39.53%) scikit-learn
1 17 (39.53%) TensorFlow
2 15 (34.88%) GraphQL
3 6 (13.95%) REST
4 2 (4.65%) .NET
4 2 (4.65%) Apache Beam
4 2 (4.65%) Caffe
4 2 (4.65%) Django
4 2 (4.65%) MXNet
4 2 (4.65%) NumPy
4 2 (4.65%) PyTorch
4 2 (4.65%) SciPy
4 2 (4.65%) Web Services
5 1 (2.33%) Kafka
5 1 (2.33%) LAMP
5 1 (2.33%) LAPP Stack
5 1 (2.33%) Symfony
5 1 (2.33%) WebSphere MQ
Miscellaneous
1 20 (46.51%) Algorithms
2 18 (41.86%) Analytical Skills
3 17 (39.53%) Data Structures
4 6 (13.95%) Fixed Income
5 5 (11.63%) Self-Motivation
6 2 (4.65%) Equities
7 1 (2.33%) Analytical Mindset
7 1 (2.33%) Cyber Kill Chain
7 1 (2.33%) Cyberthreat
7 1 (2.33%) Greenfield Project
7 1 (2.33%) IBM Mainframe
7 1 (2.33%) Mainframe
7 1 (2.33%) User Experience
Operating Systems
1 25 (58.14%) Unix
2 21 (48.84%) Linux
3 8 (18.60%) Windows
4 6 (13.95%) Red Hat Enterprise Linux
5 1 (2.33%) CentOS
5 1 (2.33%) Kali Linux
5 1 (2.33%) Ubuntu
5 1 (2.33%) Windows Server
Processes & Methodologies
1 24 (55.81%) DevOps
2 21 (48.84%) Analytics
2 21 (48.84%) Machine Learning
2 21 (48.84%) Storage Management
3 20 (46.51%) Statistics
4 19 (44.19%) Computer Science
4 19 (44.19%) Problem-Solving
5 17 (39.53%) Data Science
6 16 (37.21%) Mathematics
7 15 (34.88%) Data Analytics
7 15 (34.88%) Deep Learning
7 15 (34.88%) Infrastructure as Code
7 15 (34.88%) Operations Research
7 15 (34.88%) Parallel Computing
8 9 (20.93%) Configuration Management
9 7 (16.28%) Data Loss Prevention
9 7 (16.28%) Fintech
10 6 (13.95%) Agile Software Development
10 6 (13.95%) Electronic Trading
10 6 (13.95%) Identity Access Management
Programming Languages
1 34 (79.07%) Python
2 26 (60.47%) SQL
3 23 (53.49%) Java
4 19 (44.19%) C++
5 18 (41.86%) Scala
6 16 (37.21%) JavaScript
7 15 (34.88%) TypeScript
8 14 (32.56%) Bash Shell
9 5 (11.63%) PowerShell
10 4 (9.30%) C#
11 3 (6.98%) VB
12 1 (2.33%) C
12 1 (2.33%) COBOL
12 1 (2.33%) Perl
12 1 (2.33%) PHP
12 1 (2.33%) PHP 7
12 1 (2.33%) PL/1
12 1 (2.33%) REXX
12 1 (2.33%) VBScript
Qualifications
1 17 (39.53%) Degree
1 17 (39.53%) Master's Degree
2 15 (34.88%) PhD
3 5 (11.63%) Microsoft Certification
4 3 (6.98%) GIAC
5 2 (4.65%) AWS Certification
5 2 (4.65%) CCNA
5 2 (4.65%) CCNP
5 2 (4.65%) Cisco Certification
5 2 (4.65%) Computer Science Degree
5 2 (4.65%) SANS
6 1 (2.33%) CEH
6 1 (2.33%) CISSP
6 1 (2.33%) CREST Certified
6 1 (2.33%) CSSLP
6 1 (2.33%) ISEB
6 1 (2.33%) ISTQB
6 1 (2.33%) OSCP
6 1 (2.33%) PMI Certification
6 1 (2.33%) PMP
Quality Assurance & Compliance
1 1 (2.33%) QA
System Software
1 19 (44.19%) Docker
2 8 (18.60%) Active Directory
3 7 (16.28%) VMware Infrastructure
4 3 (6.98%) ProxySG
5 1 (2.33%) ACF2
5 1 (2.33%) HDFS
5 1 (2.33%) RACF
Systems Management
1 24 (55.81%) Terraform
2 18 (41.86%) Kubernetes
3 15 (34.88%) Consul
4 12 (27.91%) Ansible
5 6 (13.95%) Opscode Chef
5 6 (13.95%) Puppet
6 3 (6.98%) Nagios
6 3 (6.98%) Packer
6 3 (6.98%) Red Hat Satellite
7 1 (2.33%) HP ALM
7 1 (2.33%) Nessus
7 1 (2.33%) Salt
Vendors
1 17 (39.53%) Google
2 11 (25.58%) Microsoft
3 8 (18.60%) VMware
4 6 (13.95%) Cisco
4 6 (13.95%) Red Hat
5 4 (9.30%) IBM
6 3 (6.98%) Blue Coat
6 3 (6.98%) F5
6 3 (6.98%) FireEye
6 3 (6.98%) Palo Alto
6 3 (6.98%) SolarWinds
7 2 (4.65%) Tableau
7 2 (4.65%) Zscaler
8 1 (2.33%) HP
8 1 (2.33%) New Relic
8 1 (2.33%) RedGate