The following table provides summary statistics for contract job vacancies advertised in Belfast with a requirement for Unix skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unix over the 3 months to 24 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.

Unix
County Antrim / Belfast
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 7 13 9
Rank change year-on-year +6 -4  
Contract jobs citing Unix 110 4 16
As % of all contract IT jobs advertised in Belfast 33.85% 4.76% 19.75%
As % of the Operating Systems category 63.22% 26.67% 53.33%
Number of daily rates quoted 88 2 11
Median daily rate £416 £350 £350
Median daily rate % change year-on-year +18.77% +0.07%  
90% offered a daily rate of more than £400 £310 £121
10% offered a daily rate of more than £469 £390 £463
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 £39.50 £27.50 £38.25
% change year-on-year +43.63% -28.10%  

Unix 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 Belfast with a requirement for operating system skills.

Contract Operating System Skills
Belfast
Contract job vacancies with a requirement for operating system skills 174 15 30
As % of all contract IT job vacancies advertised in Belfast 53.54% 17.86% 37.04%
Number of daily rates quoted 144 6 17
Median daily rate £413 £300 £206
Median daily rate % change year-on-year +37.50% +45.45%  
90% offered a daily rate of more than £250 £100 £109
10% offered a daily rate of more than £500 £355 £475
UK excluding London median daily rate £375 £363 £348
% change year-on-year +3.44% +4.31%  
Number of hourly rates quoted 1 1 1
Median hourly rate £13.78 £13.00 £17.50
Median hourly rate % change year-on-year +5.96% -25.71%  
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

Unix
Job Vacancy Trend in Belfast

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

Job vacancy trend for Unix in Belfast

Unix
Contractor Daily Rate Trend in Belfast

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unix in Belfast.

Contractor daily rate trend for Unix in Belfast

Unix
Contractor Daily Rate Histogram in Belfast

The daily rate distribution of IT jobs citing Unix in Belfast over the 3 months to 24 June 2017.

Contractor daily rate histogram for Unix in Belfast

Unix
Contractor Hourly Rate Trend in Belfast

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Unix in Belfast.

Contractor hourly rate trend for Unix in Belfast

For the 6 months to 24 June 2017, IT contractor jobs citing Unix 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 Belfast region with a requirement for Unix.

1 119 (72.56%) Linux
2 106 (64.63%) Finance
3 78 (47.56%) Banking
4 75 (45.73%) Java
5 60 (36.59%) Front Office
6 59 (35.98%) SQL
7 56 (34.15%) Low Latency
8 48 (29.27%) Analytical Skills
9 47 (28.66%) FIX Protocol
10 41 (25.00%) OO
11 40 (24.39%) Market Making
12 39 (23.78%) Multithreading
12 39 (23.78%) C++
12 39 (23.78%) Equities
13 38 (23.17%) Relational Database
14 37 (22.56%) OOP
14 37 (22.56%) OOA/OOD
15 32 (19.51%) Perl
16 28 (17.07%) Continuous Integration
17 23 (14.02%) KDB
18 21 (12.80%) Mentoring
18 21 (12.80%) Degree
19 20 (12.20%) Agile Software Development
19 20 (12.20%) Virtual Team
20 18 (10.98%) Node.js
20 18 (10.98%) JavaScript
20 18 (10.98%) Oracle
21 17 (10.37%) Electronic Trading
21 17 (10.37%) TeamCity
21 17 (10.37%) Artifactory

Unix
Co-occurring IT Skills in Belfast 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 2 (1.22%) Apache Solr
1 2 (1.22%) Confluence
1 2 (1.22%) Elasticsearch
2 1 (0.61%) Apache Spark
2 1 (0.61%) Jetty
2 1 (0.61%) Tomcat
2 1 (0.61%) WebSphere
Applications
1 4 (2.44%) Microsoft Office
Business Applications
1 4 (2.44%) ION MarketView
Cloud Services
1 5 (3.05%) Cloud Computing
Communications & Networking
1 5 (3.05%) FIX Connectivity
2 4 (2.44%) LDAP
2 4 (2.44%) TCP/IP
3 1 (0.61%) Firewall
Database & Business Intelligence
1 38 (23.17%) Relational Database
2 23 (14.02%) KDB
3 16 (9.76%) Kdb+
4 14 (8.54%) RDBMS
5 12 (7.32%) MongoDB
5 12 (7.32%) NoSQL
6 10 (6.10%) SQL Server
7 6 (3.66%) Big Data
7 6 (3.66%) DB2
8 2 (1.22%) Apache Cassandra
8 2 (1.22%) Endeca
8 2 (1.22%) Hadoop
8 2 (1.22%) Sybase ASE
9 1 (0.61%) Apache Hive
9 1 (0.61%) IDOL
9 1 (0.61%) Oracle Database
Development Applications
1 17 (10.37%) Artifactory
1 17 (10.37%) Jenkins
1 17 (10.37%) Sonatype Nexus
1 17 (10.37%) TeamCity
2 2 (1.22%) Ant
2 2 (1.22%) Apache Ivy
2 2 (1.22%) Bitbucket
2 2 (1.22%) Git (software)
2 2 (1.22%) JIRA
2 2 (1.22%) JUnit
2 2 (1.22%) Maven
2 2 (1.22%) Subversion
General
1 106 (64.63%) Finance
2 78 (47.56%) Banking
3 60 (36.59%) Front Office
4 16 (9.76%) Investment Banking
5 1 (0.61%) Financial Institution
5 1 (0.61%) Manufacturing
5 1 (0.61%) Retail
5 1 (0.61%) Telecoms
Job Titles
1 125 (76.22%) Developer
2 48 (29.27%) Senior Developer
3 39 (23.78%) Java Developer
4 36 (21.95%) C++ Developer
5 29 (17.68%) Senior Java Developer
6 19 (11.59%) KDB Developer
7 15 (9.15%) Sybase Developer
8 14 (8.54%) Low Latency C++ Developer
9 13 (7.93%) Electronic Trading C++ Developer
9 13 (7.93%) Electronic Trading Developer
9 13 (7.93%) Senior C++ Developer
10 11 (6.71%) DevOps Engineer
11 10 (6.10%) Front Office C++ Developer
11 10 (6.10%) Front Office Developer
11 10 (6.10%) Murex Developer
12 6 (3.66%) Database Developer
12 6 (3.66%) JavaScript Developer
12 6 (3.66%) Senior SQL Developer
12 6 (3.66%) SQL Developer
13 5 (3.05%) Unix Developer
Libraries, Frameworks & Software Standards
1 47 (28.66%) FIX Protocol
2 18 (10.98%) Node.js
3 9 (5.49%) FpML
3 9 (5.49%) Murex MxML
3 9 (5.49%) Spring
4 8 (4.88%) Struts
5 7 (4.27%) J2EE
6 6 (3.66%) Apache Flex
6 6 (3.66%) WPF
7 3 (1.83%) JSON
7 3 (1.83%) Middleware
8 2 (1.22%) Natural Language Processing
8 2 (1.22%) RESTful
8 2 (1.22%) STL
8 2 (1.22%) Web Services
8 2 (1.22%) XML
9 1 (0.61%) Java EE
9 1 (0.61%) JDBC
9 1 (0.61%) Kafka
9 1 (0.61%) SAP Basis
Miscellaneous
1 48 (29.27%) Analytical Skills
2 39 (23.78%) Equities
3 20 (12.20%) Virtual Team
4 11 (6.71%) Foreign Exchange (FX)
5 10 (6.10%) Derivative
6 9 (5.49%) Computer Science
6 9 (5.49%) Equity Derivative
7 6 (3.66%) Fixed Income
8 4 (2.44%) iPad
8 4 (2.44%) N-Tier
8 4 (2.44%) Social Network
9 3 (1.83%) Replication
10 2 (1.22%) Algorithms
10 2 (1.22%) Data Structures
10 2 (1.22%) Greenfield Project
10 2 (1.22%) Linux Command Line
11 1 (0.61%) Data Centre
11 1 (0.61%) Enterprise Software
11 1 (0.61%) Management Information System
Operating Systems
1 119 (72.56%) Linux
2 16 (9.76%) Solaris
3 11 (6.71%) Windows
4 4 (2.44%) Windows 7
4 4 (2.44%) Windows 8
5 1 (0.61%) AIX
Processes & Methodologies
1 56 (34.15%) Low Latency
2 41 (25.00%) OO
3 40 (24.39%) Market Making
4 39 (23.78%) Multithreading
5 37 (22.56%) OOA/OOD
5 37 (22.56%) OOP
6 28 (17.07%) Continuous Integration
7 21 (12.80%) Mentoring
8 20 (12.20%) Agile Software Development
9 17 (10.37%) Electronic Trading
10 16 (9.76%) DevOps
10 16 (9.76%) Integration Testing
11 14 (8.54%) Analytics
11 14 (8.54%) Information Security
11 14 (8.54%) Requirements Analysis
12 11 (6.71%) SDLC
13 10 (6.10%) TDD
13 10 (6.10%) Unit Testing
13 10 (6.10%) Workflow
13 10 (6.10%) Workflow Development
Programming Languages
1 75 (45.73%) Java
2 59 (35.98%) SQL
3 39 (23.78%) C++
4 32 (19.51%) Perl
5 18 (10.98%) JavaScript
6 14 (8.54%) C#
7 5 (3.05%) Shell Script
8 4 (2.44%) PowerShell
9 2 (1.22%) Python
9 2 (1.22%) Ruby
10 1 (0.61%) PL/SQL
Qualifications
1 21 (12.80%) Degree
2 10 (6.10%) Computer Science Degree
System Software
1 5 (3.05%) Docker
2 4 (2.44%) Active Directory
3 1 (0.61%) HDFS
3 1 (0.61%) VMware Infrastructure
Systems Management
1 5 (3.05%) Opscode Chef
2 1 (0.61%) HP SiteScope
Vendors
1 18 (10.98%) Oracle
2 15 (9.15%) Sybase
3 11 (6.71%) Bloomberg
4 10 (6.10%) Murex
5 7 (4.27%) Fidessa
6 6 (3.66%) Reuters
7 5 (3.05%) Ab Initio
7 5 (3.05%) HP
7 5 (3.05%) NYFIX
8 2 (1.22%) Atlassian
9 1 (0.61%) Microsoft
9 1 (0.61%) Red Hat
9 1 (0.61%) SAP
9 1 (0.61%) Sun
9 1 (0.61%) VMware