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

Network File System (NFS)
London / City of London
3 months to
24 Apr 2017
Same period 2016 Same period 2015
Rank 155 157 187
Rank change year-on-year +2 +30  
Contract jobs citing NFS 4 9 13
As % of all contract IT jobs advertised in the City of London 0.13% 0.26% 0.24%
As % of the System Software category 1.19% 2.56% 2.39%
Number of daily rates quoted 3 8 12
Median daily rate £388 £475 £320
Median daily rate % change year-on-year -18.42% +48.43%  
90% offered a daily rate of more than £218 £340 £191
10% offered a daily rate of more than £478 £660 £625
UK excluding London median daily rate £480 £425 £391
% change year-on-year +12.94% +8.62%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £27.50 - £45.00

NFS is in the system software skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for system software skills.

Contract System Software Skills
City of London
Contract job vacancies with a requirement for system software skills 335 351 545
As % of all contract IT job vacancies advertised in the City of London 10.50% 10.08% 9.90%
Number of daily rates quoted 271 275 408
Median daily rate £450 £440 £400
Median daily rate % change year-on-year +2.27% +10.00%  
90% offered a daily rate of more than £190 £277 £225
10% offered a daily rate of more than £600 £595 £575
UK excluding London median daily rate £363 £360 £347
% change year-on-year +0.69% +3.60%  
Number of hourly rates quoted 4 21 25
Median hourly rate £22.34 £19.00 £17.50
Median hourly rate % change year-on-year +17.55% +8.57%  
UK excluding London median hourly rate £16.00 £16.50 £16.14
% change year-on-year -3.03% +2.23%  

NFS
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing NFS as a proportion of all contract or permanent IT jobs with a match in the System Software category.

Job vacancy trend for NFS in the City of London

NFS
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for NFS in the City of London

NFS
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing NFS in the City of London over the 3 months to 24 April 2017.

Contractor daily rate histogram for NFS in the City of London

NFS
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for NFS in the City of London

For the 6 months to 24 April 2017, IT contractor jobs citing NFS 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 City of London region with a requirement for NFS.

1 5 (71.43%) Linux
2 4 (57.14%) Perl
2 4 (57.14%) Red Hat Enterprise Linux
2 4 (57.14%) Bash Shell
3 3 (42.86%) Unix
3 3 (42.86%) Windows
3 3 (42.86%) Solaris
3 3 (42.86%) Oracle
3 3 (42.86%) Python
3 3 (42.86%) SAN
3 3 (42.86%) Shell Script
3 3 (42.86%) Banking
3 3 (42.86%) VMware
4 2 (28.57%) iSCSI
4 2 (28.57%) TCP/IP
4 2 (28.57%) DNS
4 2 (28.57%) PowerShell
4 2 (28.57%) NAS
4 2 (28.57%) Investment Banking
4 2 (28.57%) NetApp
4 2 (28.57%) Red Hat
4 2 (28.57%) Cisco
4 2 (28.57%) Java
4 2 (28.57%) Tomcat
4 2 (28.57%) SQL Server
4 2 (28.57%) IIS
4 2 (28.57%) SQL
4 2 (28.57%) Fibre Channel
4 2 (28.57%) Opscode Chef
4 2 (28.57%) DevOps

NFS
Co-occurring IT Skills in the City of 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 2 (28.57%) IIS
1 2 (28.57%) Tomcat
2 1 (14.29%) Apache
Applications
1 1 (14.29%) Microsoft Excel
Cloud Services
1 1 (14.29%) Amazon AWS
1 1 (14.29%) Amazon ELB
1 1 (14.29%) Microsoft Azure
Communications & Networking
1 3 (42.86%) SAN
2 2 (28.57%) DNS
2 2 (28.57%) Fibre Channel
2 2 (28.57%) iSCSI
2 2 (28.57%) NAS
2 2 (28.57%) TCP/IP
3 1 (14.29%) Cisco ASA
3 1 (14.29%) DHCP
3 1 (14.29%) Firewall
3 1 (14.29%) LDAP
3 1 (14.29%) SMTP
3 1 (14.29%) SSL
3 1 (14.29%) Wireshark
Database & Business Intelligence
1 2 (28.57%) SQL Server
2 1 (14.29%) Oracle Database
2 1 (14.29%) PostgreSQL
General
1 3 (42.86%) Banking
2 2 (28.57%) Investment Banking
3 1 (14.29%) Back Office
Job Titles
1 2 (28.57%) Administrator
1 2 (28.57%) Linux Administrator
2 1 (14.29%) Analyst
2 1 (14.29%) Applications Engineer
2 1 (14.29%) Applications Support
2 1 (14.29%) Applications Support Engineer
2 1 (14.29%) Consultant
2 1 (14.29%) Data Centre Engineer
2 1 (14.29%) DevOps Consultant
2 1 (14.29%) Hardware Engineer
2 1 (14.29%) Linux Engineer
2 1 (14.29%) Linux Support
2 1 (14.29%) Linux Support Engineer
2 1 (14.29%) Support Engineer
2 1 (14.29%) Unix Administrator
2 1 (14.29%) Unix Analyst
Libraries, Frameworks & Software Standards
1 1 (14.29%) .NET
1 1 (14.29%) JMS
1 1 (14.29%) LAPP Stack
1 1 (14.29%) Web Services
Miscellaneous
1 2 (28.57%) Data Centre
2 1 (14.29%) Clustering
2 1 (14.29%) Derivative
2 1 (14.29%) Enterprise Storage
2 1 (14.29%) Private Cloud
2 1 (14.29%) Replication
Operating Systems
1 5 (71.43%) Linux
2 4 (57.14%) Red Hat Enterprise Linux
3 3 (42.86%) Solaris
3 3 (42.86%) Unix
3 3 (42.86%) Windows
4 1 (14.29%) CentOS
4 1 (14.29%) Data ONTAP
4 1 (14.29%) Windows Server
Processes & Methodologies
1 2 (28.57%) DevOps
2 1 (14.29%) Capacity Planning
2 1 (14.29%) Change Control
2 1 (14.29%) Change Management
2 1 (14.29%) Configuration Management
2 1 (14.29%) Data Centre Operations
2 1 (14.29%) Disaster Recovery
2 1 (14.29%) Load Balancing
2 1 (14.29%) Microservices
2 1 (14.29%) Network Monitoring
2 1 (14.29%) Operational Acceptance Testing
2 1 (14.29%) SDLC
2 1 (14.29%) Service Delivery
2 1 (14.29%) Test Strategy
2 1 (14.29%) Virtual Environments
Programming Languages
1 4 (57.14%) Bash Shell
1 4 (57.14%) Perl
2 3 (42.86%) Python
2 3 (42.86%) Shell Script
3 2 (28.57%) Java
3 2 (28.57%) PowerShell
3 2 (28.57%) SQL
4 1 (14.29%) Korn
4 1 (14.29%) Ruby
Qualifications
1 1 (14.29%) DV Cleared
1 1 (14.29%) Security Cleared
System Software
1 1 (14.29%) Active Directory
1 1 (14.29%) Docker
1 1 (14.29%) Firmware
1 1 (14.29%) Gluster
1 1 (14.29%) Hyper-V
1 1 (14.29%) iptables
1 1 (14.29%) Samba
1 1 (14.29%) VMware Infrastructure
Systems Management
1 2 (28.57%) Opscode Chef
1 2 (28.57%) Puppet
2 1 (14.29%) Ansible
2 1 (14.29%) HAProxy
2 1 (14.29%) Nagios
2 1 (14.29%) NetBackup
2 1 (14.29%) Salt
2 1 (14.29%) vCenter Server
Vendors
1 3 (42.86%) Oracle
1 3 (42.86%) VMware
2 2 (28.57%) Cisco
2 2 (28.57%) NetApp
2 2 (28.57%) Red Hat
2 2 (28.57%) SaltStack
3 1 (14.29%) Dell
3 1 (14.29%) HP
3 1 (14.29%) Huawei
3 1 (14.29%) IBM
3 1 (14.29%) Remedy