The following table provides summary statistics for contract job vacancies advertised in London with a requirement for SNA skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SNA 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.

IBM Systems Network Architecture (SNA)
England / London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 410 426 419
Rank change year-on-year +16 -7  
Contract jobs citing SNA 2 2 3
As % of all contract IT jobs advertised in London 0.010% 0.009% 0.013%
As % of the Communications & Networking category 0.089% 0.066% 0.096%
Number of daily rates quoted 0 1 3
Median daily rate - £525 £300
Median daily rate % change year-on-year - +75.00%  
UK excluding London median daily rate - - £331
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - £31.30

SNA is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
London
Contract job vacancies with a requirement for communications and computer networking skills 2244 3010 3113
As % of all contract IT job vacancies advertised in London 10.98% 13.89% 13.30%
Number of daily rates quoted 1497 2047 2008
Median daily rate £450 £425 £388
Median daily rate % change year-on-year +5.88% +9.67%  
90% offered a daily rate of more than £238 £245 £225
10% offered a daily rate of more than £600 £585 £550
UK excluding London median daily rate £375 £368 £345
% change year-on-year +2.04% +6.52%  
Number of hourly rates quoted 66 47 93
Median hourly rate £24.93 £22.00 £18.86
Median hourly rate % change year-on-year +13.31% +16.67%  
90% offered a hourly rate of more than £14.78 £12.05 £13.00
10% offered a hourly rate of more than £50.00 £42.50 £50.00
UK excluding London median hourly rate £28.00 £32.50 £25.00
% change year-on-year -13.84% +30.00%  

SNA
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing SNA as a proportion of all contract or permanent IT jobs with a match in the Communications & Networking category.

Job vacancy trend for SNA in London

SNA
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for SNA in London

SNA
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for SNA in London

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

1 3 (100.00%) Scala
1 3 (100.00%) Hadoop
1 3 (100.00%) Web Development
1 3 (100.00%) QA
1 3 (100.00%) Big Data
1 3 (100.00%) Data Cleansing
1 3 (100.00%) Elasticsearch
1 3 (100.00%) Mentoring
1 3 (100.00%) Apache Spark
1 3 (100.00%) GraphX
2 2 (66.67%) SDLC
2 2 (66.67%) Spark SQL
2 2 (66.67%) Greenfield Project
2 2 (66.67%) Analytical Skills
2 2 (66.67%) Impala
2 2 (66.67%) Reference Data
2 2 (66.67%) Palantir
2 2 (66.67%) Sqoop
2 2 (66.67%) Apache Flume
2 2 (66.67%) AngularJS
2 2 (66.67%) Social Network
2 2 (66.67%) CouchDB
2 2 (66.67%) Open Source
2 2 (66.67%) HTML5
2 2 (66.67%) BDD
2 2 (66.67%) Apache Hive
2 2 (66.67%) MongoDB
2 2 (66.67%) Parallel Processing
2 2 (66.67%) Machine Learning
2 2 (66.67%) D3.js

SNA
Co-occurring IT Skills in London 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 3 (100.00%) Apache Spark
1 3 (100.00%) Elasticsearch
2 2 (66.67%) SAS
Database & Business Intelligence
1 3 (100.00%) Big Data
1 3 (100.00%) Hadoop
2 2 (66.67%) Apache Hive
2 2 (66.67%) CouchDB
2 2 (66.67%) Impala
2 2 (66.67%) MongoDB
2 2 (66.67%) Spark SQL
2 2 (66.67%) Sqoop
General
1 2 (66.67%) Finance
1 2 (66.67%) Retail
Job Titles
1 2 (66.67%) Developer
1 2 (66.67%) Scala Developer
2 1 (33.33%) Data Scientist
Libraries, Frameworks & Software Standards
1 3 (100.00%) GraphX
2 2 (66.67%) AngularJS
2 2 (66.67%) D3.js
2 2 (66.67%) HTML
2 2 (66.67%) HTML5
2 2 (66.67%) Lucene
Miscellaneous
1 2 (66.67%) Analytical Skills
1 2 (66.67%) Greenfield Project
1 2 (66.67%) Reference Data
1 2 (66.67%) Social Network
2 1 (33.33%) Algorithms
Operating Systems
1 2 (66.67%) Unix
Processes & Methodologies
1 3 (100.00%) Data Cleansing
1 3 (100.00%) Mentoring
1 3 (100.00%) Web Development
2 2 (66.67%) Agile Software Development
2 2 (66.67%) BDD
2 2 (66.67%) Machine Learning
2 2 (66.67%) Open Source
2 2 (66.67%) Parallel Processing
2 2 (66.67%) SDLC
2 2 (66.67%) TDD
3 1 (33.33%) Business Development
3 1 (33.33%) Complexity Analysis
3 1 (33.33%) Microservices
Programming Languages
1 3 (100.00%) Scala
2 2 (66.67%) Java
2 2 (66.67%) Shell Script
Quality Assurance & Compliance
1 3 (100.00%) QA
System Software
1 2 (66.67%) Apache Flume
Vendors
1 2 (66.67%) Palantir