The following table provides summary statistics for contract job vacancies with a requirement for POSIX skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited POSIX over the 3 months to 26 March 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Portable Operating System Interface (POSIX)
UK
Rank 605 637 616
Rank change year-on-year +32 -21  
Contract jobs citing POSIX 4 4 7
As % of all contract IT jobs advertised in the UK 0.009% 0.008% 0.013%
As % of the Libraries, Frameworks & Software Standards category 0.029% 0.027% 0.050%
Number of daily rates quoted 1 1 4
Median daily rate £425 £388 £375
Median daily rate % change year-on-year +9.67% +3.33%  
UK excluding London median daily rate - £388 £375
% change year-on-year - +3.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

POSIX is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14027 14876 14126
As % of all contract IT job vacancies advertised in the UK 31.36% 27.95% 26.54%
Number of daily rates quoted 9735 10312 9157
Median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.22%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 182 227 189
Median hourly rate £42.50 £38.75 £35.00
Median hourly rate % change year-on-year +9.67% +10.71%  
90% offered a hourly rate of more than £16.00 £13.50 £20.00
10% offered a hourly rate of more than £55.00 £60.62 £46.50
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

POSIX
Job Vacancy Trend

The job posting trend of jobs advertised citing POSIX as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for POSIX in the UK

POSIX
Contractor Daily Rate Trend

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

Contractor daily rate trend for POSIX in the UK

POSIX
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for POSIX in the UK

POSIX
Top 8 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing POSIX within the UK over the 3 months to 26 March 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
England +39 4 £425 +9.67% 9
London - 2 £425 - 1
East of England - 1 - - 6
Essex - 1 - - 1
Camborne - 1 - - 1
Saffron Walden - 1 - - 1
Cornwall - 1 - - 1
South West - 1 - - 1

POSIX
Top 30 Related IT Skills

For the 6 months to 26 March 2017, IT contractor jobs citing POSIX also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for POSIX.

1 10 (100.00%) Java
1 10 (100.00%) Linux
1 10 (100.00%) Python
2 9 (90.00%) C
3 8 (80.00%) Open Source
4 7 (70.00%) Software Engineering
4 7 (70.00%) nginx
4 7 (70.00%) HTTP
4 7 (70.00%) TCP/IP
4 7 (70.00%) Internet
4 7 (70.00%) Shell Script
5 6 (60.00%) BGP
5 6 (60.00%) DNS
5 6 (60.00%) SSL
5 6 (60.00%) Unix
5 6 (60.00%) PKI
5 6 (60.00%) Load Testing
5 6 (60.00%) Graphite
6 5 (50.00%) Kernel Tuning
6 5 (50.00%) Apache
7 3 (30.00%) IPv4
7 3 (30.00%) IPv6
7 3 (30.00%) Ruby
7 3 (30.00%) Mentoring
8 2 (20.00%) Data Privacy
8 2 (20.00%) LXC
8 2 (20.00%) KVM
8 2 (20.00%) Docker
8 2 (20.00%) SABSA
8 2 (20.00%) Go

POSIX
Top Related IT Skills 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 7 (70.00%) nginx
2 5 (50.00%) Apache
3 2 (20.00%) OpenStack
4 1 (10.00%) JBoss
4 1 (10.00%) Tomcat
Cloud Services
1 1 (10.00%) Amazon AWS
1 1 (10.00%) Amazon CloudWatch
1 1 (10.00%) Amazon EC2
1 1 (10.00%) Amazon Glacier
1 1 (10.00%) Amazon S3
1 1 (10.00%) AWS CloudFormation
1 1 (10.00%) Route 53
1 1 (10.00%) Virtual Private Cloud
Communications & Networking
1 7 (70.00%) HTTP
1 7 (70.00%) Internet
1 7 (70.00%) TCP/IP
2 6 (60.00%) BGP
2 6 (60.00%) DNS
2 6 (60.00%) SSL
3 3 (30.00%) IPv4
3 3 (30.00%) IPv6
4 1 (10.00%) Kerberos
4 1 (10.00%) LDAP
Database & Business Intelligence
1 1 (10.00%) Amazon RDS
1 1 (10.00%) Apache Cassandra
1 1 (10.00%) CouchDB
1 1 (10.00%) MariaDB
1 1 (10.00%) MongoDB
1 1 (10.00%) MySQL
1 1 (10.00%) Neo4j
1 1 (10.00%) PostgreSQL
1 1 (10.00%) Relational Database
Job Titles
1 7 (70.00%) Software Engineer
2 6 (60.00%) Senior Software Engineer
3 2 (20.00%) Developer
3 2 (20.00%) Java Engineer
3 2 (20.00%) Java Software Engineer
3 2 (20.00%) Principal Developer
3 2 (20.00%) Principal Software Developer
3 2 (20.00%) Python Software Engineer
3 2 (20.00%) Software Developer
4 1 (10.00%) Architect
4 1 (10.00%) AWS Architect
4 1 (10.00%) Senior Java Engineer
4 1 (10.00%) Senior Java Software Engineer
4 1 (10.00%) Systems Architect
Miscellaneous
1 6 (60.00%) PKI
2 2 (20.00%) Computer Science
2 2 (20.00%) e-Health
3 1 (10.00%) Linux Command Line
3 1 (10.00%) MPEG
Operating Systems
1 10 (100.00%) Linux
2 6 (60.00%) Unix
3 1 (10.00%) CentOS
3 1 (10.00%) Debian
3 1 (10.00%) Ubuntu
Processes & Methodologies
1 8 (80.00%) Open Source
2 7 (70.00%) Software Engineering
3 6 (60.00%) Load Testing
4 5 (50.00%) Kernel Tuning
5 3 (30.00%) Mentoring
6 2 (20.00%) Agile Software Development
6 2 (20.00%) Bioinformatics
6 2 (20.00%) Data Management
6 2 (20.00%) Data Privacy
6 2 (20.00%) Data Security
6 2 (20.00%) Extreme Programming
6 2 (20.00%) Informatics
6 2 (20.00%) Mathematics
6 2 (20.00%) Physics
6 2 (20.00%) SABSA
7 1 (10.00%) Continuous Improvement
7 1 (10.00%) Continuous Integration
7 1 (10.00%) Data Analysis
7 1 (10.00%) High Availability
7 1 (10.00%) Statistics
Programming Languages
1 10 (100.00%) Java
1 10 (100.00%) Python
2 9 (90.00%) C
3 7 (70.00%) Shell Script
4 3 (30.00%) Ruby
5 2 (20.00%) C++
5 2 (20.00%) Go
5 2 (20.00%) Haskell
5 2 (20.00%) Perl
5 2 (20.00%) R
6 1 (10.00%) AWK
6 1 (10.00%) Bash Shell
6 1 (10.00%) Scala
6 1 (10.00%) sed
Qualifications
1 2 (20.00%) CISA
1 2 (20.00%) CISM
1 2 (20.00%) CISSP
1 2 (20.00%) Degree
1 2 (20.00%) GSEC
System Software
1 2 (20.00%) Docker
1 2 (20.00%) KVM
1 2 (20.00%) LXC
1 2 (20.00%) Xen
2 1 (10.00%) iptables
2 1 (10.00%) Slurm Workload Manager
Systems Management
1 6 (60.00%) Graphite
2 1 (10.00%) Ansible
2 1 (10.00%) HAProxy
2 1 (10.00%) Mesos
2 1 (10.00%) Opscode Chef
2 1 (10.00%) Puppet
2 1 (10.00%) SELinux
Vendors
1 1 (10.00%) Pegasus
Saffron Walden, Essex
The Wellcome Trust Sanger Institute
Posted: 12 days ago
Camborne, Cornwall
The Wellcome Trust Sanger Institute
Posted: 12 days ago