Period
to 27 July 2017

The following table provides summary statistics for contract job vacancies advertised in Welwyn Garden City with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 6 months to 27 July 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Linux
Hertfordshire > Welwyn Garden City
6 months to
27 Jul 2017
Same period 2016 Same period 2015
Rank 11 23 6
Rank change year-on-year +12 -17 +15
Contract jobs citing Linux 9 2 24
As % of all contract IT jobs advertised in Welwyn Garden City 8.33% 1.46% 13.95%
As % of the Operating Systems category 39.13% 6.67% 32.00%
Number of daily rates quoted 4 2 9
Welwyn Garden City median daily rate £453 £275 £350
Median daily rate % change year-on-year +64.55% -21.43% -
10th Percentile £318 £174 £297
90th Percentile £588 £386 £388
Hertfordshire median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14% -6.67%
Number of hourly rates quoted 0 0 0
Welwyn Garden City median hourly rate - - -
Hertfordshire median hourly rate £31.50 £37.75 £40.00
% change year-on-year -16.56% -5.63% +6.67%

Linux is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Welwyn Garden City with a requirement for operating system skills.

Contract Operating System Skills
Welwyn Garden City
Contract job vacancies with a requirement for operating system skills 23 30 75
As % of all contract IT job vacancies advertised in Welwyn Garden City 21.30% 21.90% 43.60%
Number of daily rates quoted 8 13 39
Welwyn Garden City median daily rate £513 £325 £335
Median daily rate % change year-on-year +57.69% -2.99% -2.55%
10th Percentile £260 £220 £263
90th Percentile £650 £438 £388
Hertfordshire median daily rate £350 £375 £350
% change year-on-year -6.67% +7.14% +7.69%
Number of hourly rates quoted 3 6 0
Welwyn Garden City median hourly rate £13.00 £17.25 -
Median hourly rate % change year-on-year -24.64% - -
Hertfordshire median hourly rate £14.50 £16.00 £14.93
% change year-on-year -9.38% +7.20% -2.13%

Linux
Job Vacancy Trend in Welwyn Garden City

Job postings citing Linux as a percentage of all IT jobs advertised in Welwyn Garden City.

Job vacancy trend for Linux in Welwyn Garden City

Linux
Contractor Daily Rate Trend in Welwyn Garden City

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Linux in Welwyn Garden City.

Contractor daily rate trend for Linux in Welwyn Garden City

Linux
Contractor Daily Rate Histogram in Welwyn Garden City

The daily rate distribution of IT jobs citing Linux in Welwyn Garden City over the 6 months to 27 July 2017.

Contractor daily rate histogram for Linux in Welwyn Garden City

Linux
Contractor Hourly Rate Trend in Welwyn Garden City

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Linux in Welwyn Garden City.

Contractor hourly rate trend for Linux in Welwyn Garden City

For the 6 months to 27 July 2017, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Welwyn Garden City region with a requirement for Linux.

1 9 (100.00%) Python
2 8 (88.89%) Perl
3 6 (66.67%) SQL
4 5 (55.56%) Java
4 5 (55.56%) SSL
4 5 (55.56%) Apache
4 5 (55.56%) Tomcat
4 5 (55.56%) Firewall
4 5 (55.56%) Ruby
4 5 (55.56%) PostgreSQL
4 5 (55.56%) Bash Shell
4 5 (55.56%) Puppet
4 5 (55.56%) LAPP Stack
4 5 (55.56%) DevOps
5 4 (44.44%) TCP/IP
5 4 (44.44%) Clustering
6 3 (33.33%) Windows
7 2 (22.22%) Unix
7 2 (22.22%) Internet
7 2 (22.22%) Retail
7 2 (22.22%) Programme Delivery
7 2 (22.22%) Data Centre
8 1 (11.11%) FireEye
8 1 (11.11%) Kali Linux
8 1 (11.11%) Threat Analysis
8 1 (11.11%) Cyberthreat
8 1 (11.11%) Windows Server
8 1 (11.11%) Security Operations
8 1 (11.11%) Security Operations Centre
8 1 (11.11%) EnCase

Linux
Co-occurring IT Skills in Welwyn Garden City 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 5 (55.56%) Apache
1 5 (55.56%) Tomcat
Communications & Networking
1 5 (55.56%) Firewall
1 5 (55.56%) SSL
2 4 (44.44%) TCP/IP
3 2 (22.22%) Internet
4 1 (11.11%) ATM
4 1 (11.11%) HTTP
4 1 (11.11%) LAN
4 1 (11.11%) Network Security
4 1 (11.11%) WAN
4 1 (11.11%) Wireless
4 1 (11.11%) WLAN
Database & Business Intelligence
1 5 (55.56%) PostgreSQL
Development Applications
1 1 (11.11%) IDA Disassembler
1 1 (11.11%) Metasploit
1 1 (11.11%) OllyDbg
General
1 2 (22.22%) Retail
2 1 (11.11%) Banking
2 1 (11.11%) Finance
2 1 (11.11%) Retail Banking
Job Titles
1 5 (55.56%) DevOps Engineer
2 1 (11.11%) Analyst
2 1 (11.11%) Consultant
2 1 (11.11%) Dashboard Engineer
2 1 (11.11%) DevOps Systems Engineer
2 1 (11.11%) Incident Analyst
2 1 (11.11%) Infrastructure Engineer
2 1 (11.11%) Linux Engineer
2 1 (11.11%) Malware Analyst
2 1 (11.11%) Malware Consultant
2 1 (11.11%) Security Analyst
2 1 (11.11%) Security Consultant
2 1 (11.11%) Security Engineer
2 1 (11.11%) Security Incident Analyst
2 1 (11.11%) Security Incident Consultant
2 1 (11.11%) Software Engineer
2 1 (11.11%) Splunk Engineer
2 1 (11.11%) Systems Engineer
Libraries, Frameworks & Software Standards
1 5 (55.56%) LAPP Stack
2 1 (11.11%) CSS
2 1 (11.11%) HTML
2 1 (11.11%) Regular Expression
Miscellaneous
1 4 (44.44%) Clustering
2 2 (22.22%) Data Centre
3 1 (11.11%) Computer Science
3 1 (11.11%) Cyberthreat
3 1 (11.11%) EPoS
3 1 (11.11%) Linux Command Line
3 1 (11.11%) Security Operations Centre
Operating Systems
1 3 (33.33%) Windows
2 2 (22.22%) Unix
3 1 (11.11%) Kali Linux
3 1 (11.11%) VMS
3 1 (11.11%) Windows Server
3 1 (11.11%) Windows Server 2008
Processes & Methodologies
1 5 (55.56%) DevOps
2 2 (22.22%) Programme Delivery
3 1 (11.11%) Actionable Insight
3 1 (11.11%) Compliance Management
3 1 (11.11%) Computer Architecture
3 1 (11.11%) Cybersecurity
3 1 (11.11%) Data Loss Prevention
3 1 (11.11%) High Availability
3 1 (11.11%) Malware Analysis
3 1 (11.11%) Patch Management
3 1 (11.11%) Performance Management
3 1 (11.11%) Portfolio Management
3 1 (11.11%) Risk and Compliance Management
3 1 (11.11%) Security Architecture
3 1 (11.11%) Security Monitoring
3 1 (11.11%) Security Operations
3 1 (11.11%) Threat Analysis
3 1 (11.11%) Threat Intelligence
3 1 (11.11%) Use Case
3 1 (11.11%) Vulnerability Management
Programming Languages
1 9 (100.00%) Python
2 8 (88.89%) Perl
3 6 (66.67%) SQL
4 5 (55.56%) Bash Shell
4 5 (55.56%) Java
4 5 (55.56%) Ruby
5 1 (11.11%) Assembly Language
5 1 (11.11%) C++
5 1 (11.11%) JavaScript
5 1 (11.11%) PowerShell
5 1 (11.11%) Shell Script
Qualifications
1 1 (11.11%) RHCE
Quality Assurance & Compliance
1 1 (11.11%) ISO/IEC 27001
1 1 (11.11%) PCI DSS
System Software
1 1 (11.11%) Docker
1 1 (11.11%) Virtual Desktop
1 1 (11.11%) VirtualBox
1 1 (11.11%) VMware Infrastructure
Systems Management
1 5 (55.56%) Puppet
2 1 (11.11%) EnCase
2 1 (11.11%) Salt
2 1 (11.11%) Symantec Endpoint Protection
Vendors
1 1 (11.11%) Cisco
1 1 (11.11%) Dell
1 1 (11.11%) EMC
1 1 (11.11%) FireEye
1 1 (11.11%) HP
1 1 (11.11%) Intel
1 1 (11.11%) McAfee
1 1 (11.11%) Microsoft
1 1 (11.11%) Splunk
1 1 (11.11%) Symantec
1 1 (11.11%) Toshiba
1 1 (11.11%) VMware
Welwyn Garden City, Hertfordshire
NCC Group
Posted: 23 days ago