Period
to 19 January 2020

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 19 January 2020 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
19 Jan 2020
Same period 2019 Same period 2018
Rank 20 21 16
Rank change year-on-year +1 -5 0
Permanent jobs citing Linux 197 347 543
As % of all permanent IT jobs advertised in Hertfordshire 10.06% 9.75% 12.12%
As % of the Operating Systems category 36.89% 35.23% 42.26%
Number of salaries quoted 142 254 423
Hertfordshire median annual salary £47,500 £60,000 £57,500
Median salary % change year-on-year -20.83% +4.35% +15.00%
10th Percentile £26,250 £30,750 £31,250
90th Percentile £62,500 £78,750 £75,250
East of England median annual salary £47,500 £52,000 £50,000
% change year-on-year -8.65% +4.00% +11.11%

Linux 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 Hertfordshire with a requirement for operating system skills.

All Operating Systems
Hertfordshire
Permanent vacancies with a requirement for operating system skills 534 985 1,285
As % of all permanent IT jobs advertised in Hertfordshire 27.27% 27.68% 28.69%
Number of salaries quoted 430 757 1,062
Hertfordshire median annual salary £42,500 £42,500 £45,000
Median salary % change year-on-year - -5.56% -
10th Percentile £25,250 £25,000 £23,000
90th Percentile £75,000 £71,800 £71,250
East of England median annual salary £42,500 £45,000 £45,000
% change year-on-year -5.56% - +5.88%

Linux
Job Vacancy Trend in Hertfordshire

Job postings citing Linux as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Linux in Hertfordshire

Linux
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux in Hertfordshire.

Salary trend for Linux in Hertfordshire

Linux
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Linux in Hertfordshire over the 6 months to 19 January 2020.

Salary histogram for Linux in Hertfordshire

Linux
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the Hertfordshire region over the 6 months to 19 January 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
Watford +21 76 £32,500 -31.58% 8
Hemel Hempstead +20 23 £52,500 +13.51% 7
Borehamwood +19 12 £52,500 +2.94% 1
Potters Bar +1 8 £41,460 -2.45%
Letchworth +5 7 £47,500 +126.19%
Hatfield -20 5 £55,000 -12.00% 4
Bishop's Stortford - 3 £55,000 - 3
Welwyn Garden City +12 2 £47,500 -34.03%
Hertford -3 2 £41,250 +58.65% 3
Royston -2 1 £47,500 -5.00% 4
Stevenage -8 1 £47,500 +26.67% 12
St Albans -21 1 £35,000 -26.32% 8
Baldock - 1 £47,500 - 1
Linux
East of England

For the 6 months to 19 January 2020, IT jobs citing Linux 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 Hertfordshire region with a requirement for Linux.

1 73 (37.06%) Windows
2 71 (36.04%) DevOps
3 46 (23.35%) Python
4 44 (22.34%) Puppet
5 43 (21.83%) Firewall
6 40 (20.30%) GCP
7 38 (19.29%) Git (software)
8 36 (18.27%) Bash Shell
8 36 (18.27%) TCP/IP
9 35 (17.77%) Microsoft
9 35 (17.77%) Active Directory
10 33 (16.75%) Google
11 32 (16.24%) ISO/IEC 27001
12 31 (15.74%) Agile Software Development
12 31 (15.74%) Kubernetes
13 30 (15.23%) Software Engineering
13 30 (15.23%) VMware
14 29 (14.72%) Ansible
14 29 (14.72%) Docker
14 29 (14.72%) AWS
15 28 (14.21%) Jenkins
15 28 (14.21%) Problem-Solving
15 28 (14.21%) DNS
16 27 (13.71%) C
16 27 (13.71%) PHP
16 27 (13.71%) Microsoft Office
16 27 (13.71%) Windows Server
16 27 (13.71%) Azure
17 26 (13.20%) Analytical Skills
18 25 (12.69%) Infrastructure Engineering

Linux
Co-occurring IT Skills in Hertfordshire 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 18 (9.14%) nginx
2 9 (4.57%) Apache
3 8 (4.06%) Tomcat
4 7 (3.55%) Elasticsearch
5 6 (3.05%) SharePoint
6 3 (1.52%) Confluence
6 3 (1.52%) OpenStack
7 1 (0.51%) OpenEdge
7 1 (0.51%) SugarCRM
Applications
1 27 (13.71%) Microsoft Office
2 5 (2.54%) Microsoft Excel
3 4 (2.03%) Microsoft PowerPoint
Business Applications
1 1 (0.51%) Dynamics CRM
Cloud Services
1 40 (20.30%) GCP
2 29 (14.72%) AWS
3 27 (13.71%) Azure
4 16 (8.12%) Office 365
5 12 (6.09%) Cloud Computing
6 10 (5.08%) Stackdriver
7 7 (3.55%) SaaS
8 5 (2.54%) AWS CloudFormation
9 4 (2.03%) Azure Active Directory
9 4 (2.03%) Cloudflare
9 4 (2.03%) Dynamics 365
9 4 (2.03%) G Suite
9 4 (2.03%) GitHub
10 2 (1.02%) Amazon EC2
11 1 (0.51%) AWS Elastic Beanstalk
11 1 (0.51%) Google App Engine
11 1 (0.51%) Google Compute Engine
11 1 (0.51%) IaaS
11 1 (0.51%) SuccessFactors
11 1 (0.51%) Virtual Private Cloud
Communications & Networking
1 43 (21.83%) Firewall
2 36 (18.27%) TCP/IP
3 28 (14.21%) DNS
4 16 (8.12%) Wi-Fi
5 15 (7.61%) LAN
5 15 (7.61%) WAN
6 12 (6.09%) VPN
7 7 (3.55%) 2.5G
7 7 (3.55%) 2G
7 7 (3.55%) 3G
7 7 (3.55%) 4G
7 7 (3.55%) 5G
8 5 (2.54%) Broadband
8 5 (2.54%) Modbus
9 4 (2.03%) EIGRP
9 4 (2.03%) HTTP
9 4 (2.03%) HTTPS
9 4 (2.03%) OSPF
9 4 (2.03%) RIP
9 4 (2.03%) SSL
Database & Business Intelligence
1 16 (8.12%) MongoDB
2 15 (7.61%) MySQL
3 9 (4.57%) SQL Server
4 7 (3.55%) Relational Database
5 6 (3.05%) BigQuery
6 5 (2.54%) SQL Server Integration Services
6 5 (2.54%) SQL Server Reporting Services
7 4 (2.03%) Big Data
7 4 (2.03%) FileMaker
7 4 (2.03%) SQL Server 2005
7 4 (2.03%) SQL Server 2017
8 3 (1.52%) PostgreSQL
9 2 (1.02%) RDBMS
10 1 (0.51%) Amazon RDS
10 1 (0.51%) Apache Cassandra
10 1 (0.51%) Azure SQL Database
10 1 (0.51%) MariaDB
10 1 (0.51%) NoSQL
10 1 (0.51%) Oracle Database
10 1 (0.51%) SQL Server Analysis Services
Development Applications
1 38 (19.29%) Git (software)
2 28 (14.21%) Jenkins
3 23 (11.68%) Artifactory
3 23 (11.68%) Sonatype Nexus
4 8 (4.06%) JIRA
5 6 (3.05%) TeamCity
6 5 (2.54%) Visual Studio
7 1 (0.51%) Apache Archiva
7 1 (0.51%) GitLab
7 1 (0.51%) WebSpeed
General
1 13 (6.60%) Retail
2 6 (3.05%) Manufacturing
3 5 (2.54%) Telecoms
4 4 (2.03%) Banking
5 3 (1.52%) Finance
6 2 (1.02%) Aerospace
6 2 (1.02%) Electronics
7 1 (0.51%) French Language
7 1 (0.51%) Legal
7 1 (0.51%) Public Sector
7 1 (0.51%) Spanish Language
Job Titles
1 45 (22.84%) DevOps Engineer
2 35 (17.77%) Developer
3 27 (13.71%) IT Support
4 23 (11.68%) Infrastructure Engineer
5 21 (10.66%) IT Support Technician
5 21 (10.66%) IT Technician
5 21 (10.66%) Service Desk Support
5 21 (10.66%) Service Desk Technician
5 21 (10.66%) Support Technician
6 18 (9.14%) PHP Developer
7 17 (8.63%) 2nd Line Support
7 17 (8.63%) 2nd Line Support Technician
8 13 (6.60%) IT Engineer
9 11 (5.58%) Linux Engineer
9 11 (5.58%) Software Engineer
10 10 (5.08%) Administrator
10 10 (5.08%) Analyst
10 10 (5.08%) Junior
10 10 (5.08%) Network Engineer
11 8 (4.06%) Python Developer
Libraries, Frameworks & Software Standards
1 16 (8.12%) Elastic Stack
1 16 (8.12%) LAMP
2 14 (7.11%) Laravel
3 12 (6.09%) jQuery
4 10 (5.08%) LDAP
5 8 (4.06%) .NET
5 8 (4.06%) Web Services
6 7 (3.55%) AngularJS
6 7 (3.55%) CodeIgniter
6 7 (3.55%) CSS
6 7 (3.55%) React
7 6 (3.05%) HTML
7 6 (3.05%) LEMP Stack
7 6 (3.05%) Symfony
8 5 (2.54%) ASP.NET
8 5 (2.54%) Django
8 5 (2.54%) Node.js
9 3 (1.52%) Middleware
10 2 (1.02%) ODBC
10 2 (1.02%) Unity (Game Engine)
Miscellaneous
1 26 (13.20%) Analytical Skills
2 12 (6.09%) Replication
2 12 (6.09%) Self-Motivation
3 9 (4.57%) Data Centre
4 8 (4.06%) Enterprise Cloud
4 8 (4.06%) Management Information System
5 7 (3.55%) Mobile App
6 6 (3.05%) Virtual Team
7 5 (2.54%) CAN bus
7 5 (2.54%) Clustering
8 4 (2.03%) Video Conferencing
9 2 (1.02%) Driving Licence
9 2 (1.02%) Private Cloud
9 2 (1.02%) Public Cloud
9 2 (1.02%) Smartphone
10 1 (0.51%) Algorithms
10 1 (0.51%) Analytical Mindset
10 1 (0.51%) Greenfield Project
10 1 (0.51%) Hybrid Cloud
10 1 (0.51%) Social Media
Operating Systems
1 73 (37.06%) Windows
2 27 (13.71%) Windows Server
3 22 (11.17%) Unix
4 15 (7.61%) CentOS
5 8 (4.06%) Red Hat Enterprise Linux
6 6 (3.05%) AIX
6 6 (3.05%) Ubuntu
7 5 (2.54%) Android
7 5 (2.54%) Apple iOS
8 3 (1.52%) Windows 10
8 3 (1.52%) Windows 7
9 2 (1.02%) Debian
9 2 (1.02%) Embedded Linux
9 2 (1.02%) Solaris
10 1 (0.51%) Mac OS
Processes & Methodologies
1 71 (36.04%) DevOps
2 31 (15.74%) Agile Software Development
3 30 (15.23%) Software Engineering
4 28 (14.21%) Problem-Solving
5 25 (12.69%) Continuous Integration
5 25 (12.69%) Infrastructure Engineering
6 22 (11.17%) Migration
7 21 (10.66%) Data Migration
8 20 (10.15%) Configuration Management
9 18 (9.14%) Performance Tuning
10 16 (8.12%) Infrastructure Automation
10 16 (8.12%) Microservices
10 16 (8.12%) Performance Measurement
11 14 (7.11%) Computer Science
11 14 (7.11%) OO
12 13 (6.60%) ITIL
12 13 (6.60%) Load Balancing
13 12 (6.09%) Cybersecurity
13 12 (6.09%) Information Security
14 11 (5.58%) Scrum
Programming Languages
1 46 (23.35%) Python
2 36 (18.27%) Bash Shell
3 27 (13.71%) C
3 27 (13.71%) PHP
4 22 (11.17%) Ruby
5 14 (7.11%) Perl
6 13 (6.60%) C++
7 12 (6.09%) PowerShell
7 12 (6.09%) SQL
8 10 (5.08%) Java
9 8 (4.06%) JavaScript
10 6 (3.05%) Embedded C
11 5 (2.54%) Embedded C++
12 3 (1.52%) C#
12 3 (1.52%) Go
13 2 (1.02%) PL/SQL
14 1 (0.51%) Ada
14 1 (0.51%) Progress 4GL
14 1 (0.51%) TypeScript
14 1 (0.51%) VB
Qualifications
1 21 (10.66%) SC Cleared
1 21 (10.66%) Security Cleared
2 20 (10.15%) Degree
3 11 (5.58%) Cisco Certification
4 10 (5.08%) CCNA
4 10 (5.08%) Computer Science Degree
5 6 (3.05%) CCNP
6 4 (2.03%) Microsoft Certification
7 3 (1.52%) ITIL Foundation Certificate
7 3 (1.52%) RHCE
8 1 (0.51%) A+ Certification
8 1 (0.51%) CEH
8 1 (0.51%) CISSP
8 1 (0.51%) Linux+ Certification
8 1 (0.51%) MCP
8 1 (0.51%) Microsoft Certified Architect
8 1 (0.51%) Postgraduate
8 1 (0.51%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 32 (16.24%) ISO/IEC 27001
2 4 (2.03%) Cyber Essentials
2 4 (2.03%) Cyber Essentials PLUS
3 3 (1.52%) SLA
4 2 (1.02%) GDPR
4 2 (1.02%) PCI DSS
4 2 (1.02%) QA
5 1 (0.51%) HIPAA
System Software
1 35 (17.77%) Active Directory
2 29 (14.72%) Docker
3 20 (10.15%) VMware Infrastructure
4 12 (6.09%) Hyper-V
5 8 (4.06%) Virtual Servers
6 4 (2.03%) Virtual Machines
6 4 (2.03%) vSphere
7 3 (1.52%) LXC
8 2 (1.02%) VMware ESXi
9 1 (0.51%) Firmware
Systems Management
1 44 (22.34%) Puppet
2 31 (15.74%) Kubernetes
3 29 (14.72%) Ansible
4 19 (9.64%) Opscode Chef
5 14 (7.11%) Terraform
6 12 (6.09%) logstash
7 11 (5.58%) Kibana
8 10 (5.08%) Single Sign-On
9 5 (2.54%) Nagios
10 4 (2.03%) HAProxy
10 4 (2.03%) Opsgenie
11 3 (1.52%) Grafana
11 3 (1.52%) Red Hat Satellite
11 3 (1.52%) ZABBIX
12 2 (1.02%) Prometheus
13 1 (0.51%) BMC PATROL
13 1 (0.51%) Data Guard
13 1 (0.51%) Fluentd
13 1 (0.51%) McAfee ePO
13 1 (0.51%) Oracle Enterprise Manager
Vendors
1 35 (17.77%) Microsoft
2 33 (16.75%) Google
3 30 (15.23%) VMware
4 13 (6.60%) Cisco
5 12 (6.09%) Red Hat
5 12 (6.09%) SolarWinds
6 11 (5.58%) Percona
7 9 (4.57%) Splunk
8 8 (4.06%) Zend
9 6 (3.05%) New Relic
9 6 (3.05%) Oracle
10 5 (2.54%) Dell
10 5 (2.54%) McAfee
11 4 (2.03%) Atlassian
11 4 (2.03%) CheckPoint
11 4 (2.03%) Okta
11 4 (2.03%) PagerDuty
11 4 (2.03%) Palo Alto
11 4 (2.03%) Symantec
12 3 (1.52%) F5