The following table provides summary statistics for contract job vacancies advertised in Northern Ireland with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 3 months to 27 June 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
UK / Northern Ireland
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 5 15 11
Rank change year-on-year +10 -4  
Contract jobs citing Linux 133 5 10
As % of all contract IT jobs advertised in Northern Ireland 37.05% 4.90% 11.63%
As % of the Operating Systems category 67.86% 31.25% 35.71%
Number of daily rates quoted 124 3 6
Median daily rate £416 £300 £463
Median daily rate % change year-on-year +38.66% -35.13%  
90% offered a daily rate of more than £368 £300 £430
10% offered a daily rate of more than £518 £380 £488
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.66%  

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 Northern Ireland with a requirement for operating system skills.

Contract Operating System Skills
Northern Ireland
Contract job vacancies with a requirement for operating system skills 196 16 28
As % of all contract IT job vacancies advertised in Northern Ireland 54.60% 15.69% 32.56%
Number of daily rates quoted 164 6 16
Median daily rate £413 £300 £200
Median daily rate % change year-on-year +37.50% +50.00%  
90% offered a daily rate of more than £299 £100 £108
10% offered a daily rate of more than £475 £355 £475
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 1 2 0
Median hourly rate £13.78 £23.50 -
Median hourly rate % change year-on-year -41.38% -  
UK excluding London median hourly rate £15.50 £17.50 £16.50
% change year-on-year -11.42% +6.06%  

Linux
Job Vacancy Trend in Northern Ireland

The job posting trend of jobs advertised in Northern Ireland citing Linux as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for Linux in Northern Ireland

Linux
Contractor Daily Rate Trend in Northern Ireland

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Linux in Northern Ireland.

Contractor daily rate trend for Linux in Northern Ireland

Linux
Contractor Daily Rate Histogram in Northern Ireland

The daily rate distribution of IT jobs citing Linux in Northern Ireland over the 3 months to 27 June 2017.

Contractor daily rate histogram for Linux in Northern Ireland

Linux
Contractor Hourly Rate Trend in Northern Ireland

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

Contractor hourly rate trend for Linux in Northern Ireland

Linux
Contract Job Locations in Northern Ireland

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Linux within the Northern Ireland region over the 3 months to 27 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
County Antrim +7 120 £416 +38.66% 5
Linux
UK

For the 6 months to 27 June 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 Northern Ireland region with a requirement for Linux.

1 153 (75.00%) Finance
2 140 (68.63%) Unix
3 97 (47.55%) Banking
4 81 (39.71%) Java
5 78 (38.24%) Low Latency
6 77 (37.75%) Front Office
7 75 (36.76%) SQL
8 73 (35.78%) C++
9 59 (28.92%) FIX Protocol
10 57 (27.94%) Market Making
11 56 (27.45%) Multithreading
12 54 (26.47%) OOP
12 54 (26.47%) OOA/OOD
13 52 (25.49%) SQL Server
14 50 (24.51%) OO
15 47 (23.04%) Electronic Trading
16 43 (21.08%) Oracle
17 42 (20.59%) Continuous Integration
18 41 (20.10%) Analytical Skills
19 32 (15.69%) Jenkins
20 31 (15.20%) Node.js
20 31 (15.20%) JavaScript
21 30 (14.71%) TeamCity
21 30 (14.71%) Artifactory
22 29 (14.22%) Sonatype Nexus
23 28 (13.73%) KDB
23 28 (13.73%) Equities
24 27 (13.24%) Perl
25 25 (12.25%) Unit Testing
26 24 (11.76%) Degree

Linux
Co-occurring IT Skills in Northern Ireland 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 4 (1.96%) WebSphere
2 2 (0.98%) JBoss
3 1 (0.49%) SharePoint
Applications
1 1 (0.49%) Microsoft Excel
1 1 (0.49%) Microsoft PowerPoint
1 1 (0.49%) Microsoft Project
1 1 (0.49%) MS Visio
Business Applications
1 7 (3.43%) Actimize
Cloud Services
1 16 (7.84%) Cloud Computing
2 2 (0.98%) Amazon AWS
2 2 (0.98%) Microsoft Azure
Communications & Networking
1 17 (8.33%) LDAP
2 4 (1.96%) TCP/IP
3 3 (1.47%) Firewall
Database & Business Intelligence
1 52 (25.49%) SQL Server
2 28 (13.73%) KDB
3 19 (9.31%) Relational Database
4 16 (7.84%) Big Data
5 15 (7.35%) Kdb+
6 11 (5.39%) Apache Hive
6 11 (5.39%) MongoDB
6 11 (5.39%) NoSQL
7 7 (3.43%) SQL Server Integration Services
8 6 (2.94%) Hadoop
8 6 (2.94%) SQL Server Reporting Services
9 5 (2.45%) SQL Server Analysis Services
10 4 (1.96%) PostgreSQL
10 4 (1.96%) Sybase ASE
11 1 (0.49%) DB2
11 1 (0.49%) DB2 UDB
11 1 (0.49%) RDBMS
Development Applications
1 32 (15.69%) Jenkins
2 30 (14.71%) Artifactory
2 30 (14.71%) TeamCity
3 29 (14.22%) Sonatype Nexus
4 14 (6.86%) Visual Studio
General
1 153 (75.00%) Finance
2 97 (47.55%) Banking
3 77 (37.75%) Front Office
4 10 (4.90%) Investment Banking
5 4 (1.96%) Billing
6 1 (0.49%) Financial Institution
Job Titles
1 158 (77.45%) Developer
2 70 (34.31%) C++ Developer
3 45 (22.06%) Senior Developer
4 39 (19.12%) Java Developer
5 29 (14.22%) Electronic Trading Developer
6 28 (13.73%) KDB Developer
6 28 (13.73%) Low Latency C++ Developer
6 28 (13.73%) Senior Java Developer
7 27 (13.24%) Electronic Trading C++ Developer
8 16 (7.84%) Senior C++ Developer
9 13 (6.37%) DevOps Engineer
10 11 (5.39%) JavaScript Engineer
10 11 (5.39%) Sybase Developer
11 10 (4.90%) Front Office C++ Developer
11 10 (4.90%) Front Office Developer
12 8 (3.92%) Database Developer
12 8 (3.92%) JavaScript Developer
12 8 (3.92%) Support Engineer
13 7 (3.43%) Consultant
13 7 (3.43%) SQL Developer
Libraries, Frameworks & Software Standards
1 59 (28.92%) FIX Protocol
2 31 (15.20%) Node.js
3 12 (5.88%) .NET
4 8 (3.92%) XML
5 5 (2.45%) WPF
6 4 (1.96%) Middleware
7 3 (1.47%) Spring
8 2 (0.98%) Hibernate
8 2 (0.98%) J2EE
8 2 (0.98%) JSON
8 2 (0.98%) STL
9 1 (0.49%) Java EE
9 1 (0.49%) Web Services
Miscellaneous
1 41 (20.10%) Analytical Skills
2 28 (13.73%) Equities
3 22 (10.78%) Virtual Team
4 8 (3.92%) Computer Science
5 7 (3.43%) Replication
6 5 (2.45%) Social Network
7 4 (1.96%) Data Structures
7 4 (1.96%) Equity Derivative
8 3 (1.47%) Algorithms
8 3 (1.47%) Data Centre
8 3 (1.47%) N-Tier
9 2 (0.98%) Foreign Exchange (FX)
9 2 (0.98%) Greenfield Project
10 1 (0.49%) SWIFT
Operating Systems
1 140 (68.63%) Unix
2 22 (10.78%) Windows
3 14 (6.86%) Solaris
4 1 (0.49%) AIX
4 1 (0.49%) Red Hat Enterprise Linux
Processes & Methodologies
1 78 (38.24%) Low Latency
2 57 (27.94%) Market Making
3 56 (27.45%) Multithreading
4 54 (26.47%) OOA/OOD
4 54 (26.47%) OOP
5 50 (24.51%) OO
6 47 (23.04%) Electronic Trading
7 42 (20.59%) Continuous Integration
8 25 (12.25%) Unit Testing
9 19 (9.31%) Agile Software Development
9 19 (9.31%) DevOps
10 16 (7.84%) Integration Testing
11 15 (7.35%) Mentoring
12 14 (6.86%) Information Security
12 14 (6.86%) UML
13 13 (6.37%) Analytics
13 13 (6.37%) SDLC
14 8 (3.92%) Performance Tuning
14 8 (3.92%) Requirements Analysis
15 7 (3.43%) TDD
Programming Languages
1 81 (39.71%) Java
2 75 (36.76%) SQL
3 73 (35.78%) C++
4 31 (15.20%) JavaScript
5 27 (13.24%) Perl
6 13 (6.37%) C#
7 11 (5.39%) Python
8 3 (1.47%) Korn
9 1 (0.49%) Bash Shell
9 1 (0.49%) PL/SQL
9 1 (0.49%) Ruby
9 1 (0.49%) Shell Script
Qualifications
1 24 (11.76%) Degree
2 11 (5.39%) Computer Science Degree
System Software
1 19 (9.31%) Active Directory
2 6 (2.94%) Docker
3 5 (2.45%) VMware Infrastructure
4 4 (1.96%) vSphere
5 2 (0.98%) Hyper-V
5 2 (0.98%) Virtual Machines
Systems Management
1 6 (2.94%) Opscode Chef
2 2 (0.98%) Ansible
2 2 (0.98%) HP SiteScope
Vendors
1 43 (21.08%) Oracle
2 11 (5.39%) Sybase
3 5 (2.45%) Microsoft
3 5 (2.45%) VMware
4 3 (1.47%) Red Hat
5 2 (0.98%) Bloomberg
5 2 (0.98%) Fidessa
5 2 (0.98%) HP
5 2 (0.98%) NetApp
5 2 (0.98%) Reuters
6 1 (0.49%) Ab Initio
Northern Ireland
Harvey Nash plc
Rate: £500 - £575 per day
Posted: 15 hours ago
Northern Ireland
Harvey Nash plc
Rate: £375 - £425 per day
Posted: 15 hours ago
Belfast, County Antrim
McGregor Boyall
Rate: £450 - £600 per day
Posted: 6 days ago