Period
to 22 September 2018

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 22 September 2018 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
22 Sep 2018
Same period 2017 Same period 2016
Rank 22 21 15
Rank change year-on-year -1 -6 +4
Permanent jobs citing Linux 391 389 504
As % of all permanent IT jobs advertised in Hertfordshire 9.49% 9.43% 11.30%
As % of the Operating Systems category 38.33% 35.24% 47.64%
Number of salaries quoted 308 358 420
Hertfordshire median annual salary £57,500 £47,000 £46,000
Median salary % change year-on-year +22.34% +2.17% +2.22%
10th Percentile £39,500 £31,250 £27,500
90th Percentile £77,500 £71,250 £67,500
East of England median annual salary £52,500 £47,000 £45,000
% change year-on-year +11.70% +4.44% -

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 1,020 1,104 1,058
As % of all permanent IT jobs advertised in Hertfordshire 24.75% 26.75% 23.73%
Number of salaries quoted 773 936 870
Hertfordshire median annual salary £45,000 £42,500 £43,250
Median salary % change year-on-year +5.88% -1.73% +1.76%
10th Percentile £26,250 £23,500 £24,000
90th Percentile £71,250 £66,250 £65,000
East of England median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

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 22 September 2018.

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 22 September 2018. 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
Hatfield +7 106 £65,000 +13.04% 17
Watford -10 79 £47,500 +11.76% 5
Welwyn Garden City 0 42 £72,000 +80.00% 3
Hemel Hempstead -8 26 £38,500 +16.67%
Stevenage +14 17 £35,000 +29.63% 12
Borehamwood +15 14 £47,500 +1.06% 1
Rickmansworth -1 13 £55,000 -15.38%
St Albans -14 7 £55,000 +41.03% 3
Broxbourne - 5 £57,500 -
Bishop's Stortford -3 4 £57,500 +53.33% 3
Letchworth +15 2 £24,750 -23.85% 1
Potters Bar - 2 £45,000 - 1
Royston - 2 £63,750 - 1
Hitchin - 2 £43,000 - 2
Linux
East of England

For the 6 months to 22 September 2018, 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.

1 166 (42.46%) Windows
2 162 (41.43%) Unix
3 130 (33.25%) Agile Software Development
4 124 (31.71%) Amazon AWS
5 120 (30.69%) Python
6 119 (30.43%) DevOps
7 114 (29.16%) Java
8 102 (26.09%) Oracle
9 93 (23.79%) VMware
10 90 (23.02%) Puppet
11 85 (21.74%) Problem-Solving
12 84 (21.48%) ITIL
13 80 (20.46%) SQL
13 80 (20.46%) Degree
14 77 (19.69%) Web Services
15 70 (17.90%) Docker
16 61 (15.60%) Microsoft Azure
17 60 (15.35%) Microsoft
18 59 (15.09%) SQL Server
19 58 (14.83%) Windows Server
20 54 (13.81%) E-Commerce
20 54 (13.81%) IBM
21 53 (13.55%) Ansible
22 52 (13.30%) VMware Infrastructure
23 51 (13.04%) TCP/IP
24 49 (12.53%) Jenkins
25 48 (12.28%) SIEM
26 47 (12.02%) DNS
26 47 (12.02%) Firewall
27 45 (11.51%) JavaScript

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 45 (11.51%) WebSphere
2 42 (10.74%) Tomcat
3 39 (9.97%) OpenStack
4 25 (6.39%) Oracle SOA Suite
5 23 (5.88%) GlassFish
6 20 (5.12%) JBoss
6 20 (5.12%) WebLogic
7 16 (4.09%) Apache
8 15 (3.84%) Elasticsearch
9 14 (3.58%) MQSeries
9 14 (3.58%) Oracle Service Bus
10 13 (3.32%) IIS
11 12 (3.07%) SharePoint
12 11 (2.81%) Confluence
13 10 (2.56%) nginx
14 6 (1.53%) Skype for Business
14 6 (1.53%) WebSphere Application Server
15 4 (1.02%) Exchange Server 2013
15 4 (1.02%) MS Exchange
16 3 (0.77%) SharePoint Server
Applications
1 4 (1.02%) HipChat
2 3 (0.77%) Microsoft Excel
Business Applications
1 7 (1.79%) Salesforce.com CRM
2 4 (1.02%) Oracle EBS R12
3 3 (0.77%) Magento
4 2 (0.51%) Oracle BPM
4 2 (0.51%) Oracle EBS
Cloud Services
1 124 (31.71%) Amazon AWS
2 61 (15.60%) Microsoft Azure
3 31 (7.93%) SaaS
4 28 (7.16%) Google Cloud Platform
5 19 (4.86%) Office 365
6 16 (4.09%) AWS CloudFormation
6 16 (4.09%) IaaS
7 12 (3.07%) PaaS
8 10 (2.56%) GitHub
9 9 (2.30%) Runscope
10 6 (1.53%) AWS CloudTrail
10 6 (1.53%) Cloud Computing
11 5 (1.28%) Stackdriver
12 4 (1.02%) Akamai
12 4 (1.02%) Amazon EC2
12 4 (1.02%) Amazon SQS
12 4 (1.02%) Mimecast
12 4 (1.02%) Virtual Private Cloud
13 3 (0.77%) Amazon CloudWatch
13 3 (0.77%) Amazon S3
Communications & Networking
1 51 (13.04%) TCP/IP
2 47 (12.02%) DNS
2 47 (12.02%) Firewall
3 33 (8.44%) VPN
4 27 (6.91%) DHCP
5 24 (6.14%) Internet
5 24 (6.14%) SAN
6 19 (4.86%) SNMP
7 17 (4.35%) Network Security
8 15 (3.84%) HTTP
9 12 (3.07%) Reverse Proxy
10 11 (2.81%) ICMP
11 8 (2.05%) LAN
11 8 (2.05%) WAN
12 6 (1.53%) Wireless
13 5 (1.28%) Intrusion Detection
14 4 (1.02%) 802.11
14 4 (1.02%) Cisco ASA
14 4 (1.02%) Unified Communications
15 3 (0.77%) DVB
Database & Business Intelligence
1 59 (15.09%) SQL Server
2 32 (8.18%) Relational Database
3 28 (7.16%) Oracle Database
4 25 (6.39%) MySQL
5 22 (5.63%) PostgreSQL
6 15 (3.84%) Apache Cassandra
7 13 (3.32%) MongoDB
8 12 (3.07%) Amazon RDS
8 12 (3.07%) RDBMS
8 12 (3.07%) SQL Server 2008
9 10 (2.56%) NoSQL
10 9 (2.30%) Oracle Database 12c
11 7 (1.79%) Amazon Redshift
11 7 (1.79%) DB2
11 7 (1.79%) MariaDB
11 7 (1.79%) Oracle Database 10g
11 7 (1.79%) Oracle Database 11g
12 6 (1.53%) Data Warehouse
12 6 (1.53%) SQL Server 2012
12 6 (1.53%) SQL Server 2014
Development Applications
1 49 (12.53%) Jenkins
2 45 (11.51%) JIRA
3 41 (10.49%) Git (software)
4 22 (5.63%) Eclipse
5 19 (4.86%) Rational Team Concert
6 16 (4.09%) Metasploit
7 13 (3.32%) Selenium
8 11 (2.81%) Subversion
9 10 (2.56%) JUnit
10 9 (2.30%) TeamCity
11 8 (2.05%) Maven
11 8 (2.05%) MSTest
11 8 (2.05%) NUnit
11 8 (2.05%) VSS/SourceSafe
12 7 (1.79%) Jasmine
12 7 (1.79%) Octopus Deploy
13 6 (1.53%) Visual Studio Team System
14 5 (1.28%) Cucumber
14 5 (1.28%) LabVIEW
14 5 (1.28%) Mockito
General
1 39 (9.97%) Retail
2 34 (8.70%) Finance
3 27 (6.91%) Advertising
4 10 (2.56%) Telecoms
5 9 (2.30%) French Language
5 9 (2.30%) German Language
5 9 (2.30%) Swedish Language
6 6 (1.53%) Marketing
6 6 (1.53%) Publishing
7 5 (1.28%) Banking
8 4 (1.02%) Automotive
9 3 (0.77%) Multimedia
10 2 (0.51%) Manufacturing
11 1 (0.26%) Electronics
11 1 (0.26%) Games
Job Titles
1 63 (16.11%) Developer
2 44 (11.25%) DevOps Engineer
3 39 (9.97%) Analyst
4 36 (9.21%) Java Developer
5 35 (8.95%) Linux Engineer
6 32 (8.18%) Senior Developer
7 29 (7.42%) Security Engineer
8 26 (6.65%) Administrator
9 25 (6.39%) Infrastructure Engineer
10 23 (5.88%) Linux DevOps Engineer
10 23 (5.88%) Linux/Unix DevOps
11 21 (5.37%) Architect
11 21 (5.37%) Security Manager
12 20 (5.12%) Senior Java Developer
13 18 (4.60%) Infrastructure Architect
13 18 (4.60%) Software Engineer
14 16 (4.09%) Cloud Engineer
14 16 (4.09%) Information Manager
14 16 (4.09%) Information Security Manager
14 16 (4.09%) Python Engineer
Libraries, Frameworks & Software Standards
1 77 (19.69%) Web Services
2 40 (10.23%) HTML
3 34 (8.70%) Hibernate
4 29 (7.42%) Spring
5 28 (7.16%) jQuery
6 27 (6.91%) .NET
6 27 (6.91%) J2EE
7 23 (5.88%) CSS
8 21 (5.37%) AngularJS
9 19 (4.86%) Middleware
9 19 (4.86%) XML
10 17 (4.35%) Java EE
10 17 (4.35%) Velocity
11 16 (4.09%) HTML5
12 15 (3.84%) ActiveMQ
13 14 (3.58%) EJB
13 14 (3.58%) JMS
14 13 (3.32%) ASP.NET
15 12 (3.07%) Java SE
15 12 (3.07%) WebSphere MQ
Miscellaneous
1 39 (9.97%) Analytical Skills
1 39 (9.97%) Computer Science
2 33 (8.44%) Management Information System
3 29 (7.42%) Enterprise Software
4 24 (6.14%) Data Centre
5 20 (5.12%) Self-Motivation
6 19 (4.86%) Security Operations Centre
7 17 (4.35%) Replication
8 16 (4.09%) Hybrid Cloud
9 15 (3.84%) Public Cloud
10 14 (3.58%) Linux Command Line
11 13 (3.32%) Private Cloud
12 10 (2.56%) HP Storage
13 9 (2.30%) User Experience
14 7 (1.79%) Data Structures
15 6 (1.53%) Mainframe
16 5 (1.28%) Algorithms
16 5 (1.28%) Client/Server
16 5 (1.28%) Fintech
16 5 (1.28%) Video\Live Streaming
Operating Systems
1 166 (42.46%) Windows
2 162 (41.43%) Unix
3 58 (14.83%) Windows Server
4 26 (6.65%) AIX
5 23 (5.88%) Ubuntu
6 22 (5.63%) Debian
6 22 (5.63%) HPUX
7 19 (4.86%) Kali Linux
8 15 (3.84%) CentOS
9 13 (3.32%) Mac OS X
10 10 (2.56%) CoreOS
10 10 (2.56%) Solaris
11 9 (2.30%) Windows Server 2012
12 8 (2.05%) Red Hat Enterprise Linux
13 7 (1.79%) Windows 10
13 7 (1.79%) Windows 8
14 6 (1.53%) Windows 7
14 6 (1.53%) Windows Server 2008
15 3 (0.77%) Android
16 2 (0.51%) Windows Server 2003
Processes & Methodologies
1 130 (33.25%) Agile Software Development
2 119 (30.43%) DevOps
3 85 (21.74%) Problem-Solving
4 84 (21.48%) ITIL
5 54 (13.81%) E-Commerce
6 48 (12.28%) SIEM
7 43 (11.00%) Site Reliability Engineering
8 42 (10.74%) MVC
9 40 (10.23%) Infrastructure Engineering
10 37 (9.46%) Information Security
10 37 (9.46%) Open Source
11 33 (8.44%) Vulnerability Management
12 30 (7.67%) Continuous Integration
12 30 (7.67%) Security Architecture
13 28 (7.16%) Software Engineering
14 25 (6.39%) Migration
14 25 (6.39%) SOA
15 24 (6.14%) Continuous Improvement
15 24 (6.14%) Mentoring
15 24 (6.14%) Security Operations
Programming Languages
1 120 (30.69%) Python
2 114 (29.16%) Java
3 80 (20.46%) SQL
4 45 (11.51%) JavaScript
5 38 (9.72%) Shell Script
6 36 (9.21%) Bash Shell
7 29 (7.42%) PHP
7 29 (7.42%) PowerShell
8 28 (7.16%) C#
9 27 (6.91%) Perl
10 23 (5.88%) Ruby
11 22 (5.63%) Groovy
12 19 (4.86%) C++
13 11 (2.81%) AWK
14 10 (2.56%) T-SQL
15 9 (2.30%) C
16 8 (2.05%) Go
17 5 (1.28%) ANSI SQL
18 3 (0.77%) Java 8
18 3 (0.77%) VBA
Qualifications
1 80 (20.46%) Degree
2 36 (9.21%) Computer Science Degree
3 32 (8.18%) CISM
3 32 (8.18%) CISSP
4 19 (4.86%) SSCP
5 17 (4.35%) Cisco Certification
6 14 (3.58%) CCNA
7 12 (3.07%) CISA
7 12 (3.07%) CRISC
8 11 (2.81%) CEH
8 11 (2.81%) CompTIA Security+
8 11 (2.81%) GCIA
8 11 (2.81%) GCIH
8 11 (2.81%) GSEC
9 10 (2.56%) ITIL Certification
10 9 (2.30%) Master's Degree
11 8 (2.05%) AWS Certification
11 8 (2.05%) GIAC
11 8 (2.05%) SANS
11 8 (2.05%) Security Cleared
Quality Assurance & Compliance
1 25 (6.39%) ISO/IEC 27001
2 23 (5.88%) PCI DSS
3 15 (3.84%) GDPR
4 14 (3.58%) ISO 22301
5 13 (3.32%) SLA
6 10 (2.56%) COBIT
7 5 (1.28%) Cyber Essentials
8 4 (1.02%) QA
9 3 (0.77%) BS7799
10 1 (0.26%) SEPA
System Software
1 70 (17.90%) Docker
2 52 (13.30%) VMware Infrastructure
3 45 (11.51%) VMware ESXi
4 34 (8.70%) Active Directory
5 20 (5.12%) Ceph
6 16 (4.09%) vSphere
7 14 (3.58%) Hyper-V
8 9 (2.30%) VMware NSX
9 3 (0.77%) Virtual Machines
10 2 (0.51%) NFS
10 2 (0.51%) VMware Server
11 1 (0.26%) ISA Server
11 1 (0.26%) Microsoft App-V
11 1 (0.26%) Postfix
11 1 (0.26%) Samba
11 1 (0.26%) XenApp
11 1 (0.26%) XenDesktop
Systems Management
1 90 (23.02%) Puppet
2 53 (13.55%) Ansible
3 45 (11.51%) Opscode Chef
4 44 (11.25%) Kubernetes
5 21 (5.37%) HP Data Protector
6 16 (4.09%) Grafana
6 16 (4.09%) Nessus
6 16 (4.09%) Nmap
7 10 (2.56%) Terraform
7 10 (2.56%) vCenter Server
8 9 (2.30%) HAProxy
9 8 (2.05%) Prometheus
10 6 (1.53%) Backup Exec
10 6 (1.53%) Docker Swarm
11 5 (1.28%) Rancher
11 5 (1.28%) SCCM
11 5 (1.28%) SCOM
11 5 (1.28%) vRealize
12 4 (1.02%) vRealize Orchestrator
12 4 (1.02%) yum
Vendors
1 102 (26.09%) Oracle
2 93 (23.79%) VMware
3 60 (15.35%) Microsoft
4 54 (13.81%) IBM
5 34 (8.70%) NetApp
6 26 (6.65%) Google
7 25 (6.39%) HP
7 25 (6.39%) Splunk
8 16 (4.09%) LogRhythm
8 16 (4.09%) Netsparker
8 16 (4.09%) Qualys
8 16 (4.09%) Red Hat
9 15 (3.84%) Cisco
10 14 (3.58%) 3PAR
10 14 (3.58%) Citrix
10 14 (3.58%) Sybase
11 10 (2.56%) Brocade
11 10 (2.56%) New Relic
11 10 (2.56%) Salesforce.com
11 10 (2.56%) SolarWinds