Period
to 21 September 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for TCP/IP skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TCP/IP over the 6 months to 21 September 2021 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.

Transmission Control Protocol/Internet Protocol (TCP/IP)
Central London > City of London
6 months to
21 Sep 2021
Same period 2020 Same period 2019
Rank 149 93 148
Rank change year-on-year -56 +55 0
Contract jobs citing TCP/IP 24 24 90
As % of all contract jobs advertised in the City of London 0.66% 1.37% 1.45%
As % of the Communications & Networking category 7.55% 10.53% 13.33%
Number of daily rates quoted 22 21 68
10th Percentile £335 £238 £123
25th Percentile £463 £285 £296
Median daily rate (50th Percentile) £550 £500 £455
Median % change year-on-year +10.00% +9.89% -4.21%
75th Percentile £650 £538 £541
90th Percentile " £575 £675
Central London median daily rate £538 £500 £455
% change year-on-year +7.50% +9.89% +2.54%
Number of hourly rates quoted 1 1 3
10th Percentile " " £22.25
25th Percentile £21.25 £53.50 £25.63
Median hourly rate £22.50 £55.00 £32.50
Median % change year-on-year -59.09% +69.23% +30.00%
75th Percentile £23.75 £56.50 £42.50
90th Percentile " " £47.75
Central London median hourly rate £22.50 £55.00 £27.00
% change year-on-year -59.09% +103.70% +8.00%

TCP/IP is in the Communications and Computer Networking category. The following 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 communications or computer networking skills.

All Communications and Computer Networking Skills
City of London
Contract vacancies with a requirement for communications or computer networking skills 318 228 675
As % of all contract IT jobs advertised in the City of London 8.72% 12.98% 10.89%
Number of daily rates quoted 246 174 525
10th Percentile £323 £314 £208
25th Percentile £413 £411 £363
Median daily rate (50th Percentile) £525 £500 £475
Median % change year-on-year +5.00% +5.26% +5.56%
75th Percentile £588 £575 £575
90th Percentile £695 £638 £666
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 4 5 17
10th Percentile £21.08 £28.20 £13.05
25th Percentile £21.19 £36.75 £16.50
Median hourly rate £29.50 £37.75 £20.50
Median % change year-on-year -21.85% +84.15% +9.63%
75th Percentile £37.75 £56.50 £37.50
90th Percentile " £59.65 £44.80
Central London median hourly rate £23.75 £37.75 £21.00
% change year-on-year -37.09% +79.76% +12.30%

TCP/IP
Job Vacancy Trend in the City of London

Job postings citing TCP/IP as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for TCP/IP in the City of London

TCP/IP
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing TCP/IP in the City of London.

Daily rate trend for TCP/IP in the City of London

TCP/IP
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing TCP/IP in the City of London over the 6 months to 21 September 2021.

Daily rate histogram for TCP/IP in the City of London

TCP/IP
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing TCP/IP in the City of London.

Hourly rate trend for TCP/IP in the City of London

For the 6 months to 21 September 2021, IT contractor jobs citing TCP/IP also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for TCP/IP.

1 12 (50.00%) Windows
2 11 (45.83%) Microsoft
2 11 (45.83%) Azure
3 10 (41.67%) AWS
3 10 (41.67%) DevOps
3 10 (41.67%) Active Directory
4 9 (37.50%) Finance
4 9 (37.50%) VMware
5 8 (33.33%) Agile Software Development
5 8 (33.33%) Banking
5 8 (33.33%) Python
5 8 (33.33%) SQL
5 8 (33.33%) Windows Server
6 7 (29.17%) VMware ESXi
6 7 (29.17%) VMware Infrastructure
6 7 (29.17%) PowerShell
6 7 (29.17%) LDAP
6 7 (29.17%) SharePoint
6 7 (29.17%) DNS
7 6 (25.00%) EMC
7 6 (25.00%) Cisco
7 6 (25.00%) C#
7 6 (25.00%) .NET
7 6 (25.00%) Disaster Recovery
7 6 (25.00%) High Availability
8 5 (20.83%) Splunk
8 5 (20.83%) GitHub
8 5 (20.83%) AngularJS
8 5 (20.83%) IaaS
8 5 (20.83%) TypeScript

TCP/IP
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 7 (29.17%) SharePoint
2 5 (20.83%) Confluence
3 2 (8.33%) MS Exchange
4 1 (4.17%) IIS
Applications
1 3 (12.50%) Microsoft Excel
1 3 (12.50%) Microsoft Office
Business Applications
1 2 (8.33%) SunGard Martini
2 1 (4.17%) RMDS
Cloud Services
1 11 (45.83%) Azure
2 10 (41.67%) AWS
3 5 (20.83%) GitHub
3 5 (20.83%) IaaS
4 4 (16.67%) GCP
4 4 (16.67%) Microsoft 365
4 4 (16.67%) PaaS
5 3 (12.50%) OneDrive
5 3 (12.50%) SaaS
6 1 (4.17%) Amazon EC2
6 1 (4.17%) Azure Active Directory
6 1 (4.17%) Azure ExpressRoute
6 1 (4.17%) Cloud Computing
6 1 (4.17%) Serverless
Communications & Networking
1 7 (29.17%) DNS
2 5 (20.83%) Kerberos
3 3 (12.50%) Firewall
3 3 (12.50%) HTTP
3 3 (12.50%) LAN
4 2 (8.33%) DHCP
4 2 (8.33%) NAS
4 2 (8.33%) SAN
5 1 (4.17%) Cisco IOS
5 1 (4.17%) HTTPS
5 1 (4.17%) Internet
5 1 (4.17%) Multicast
5 1 (4.17%) OSPF
5 1 (4.17%) Radio Access Network
5 1 (4.17%) SNMP
5 1 (4.17%) SSH
5 1 (4.17%) WebEx
Database & Business Intelligence
1 2 (8.33%) SQL Server
Development Applications
1 5 (20.83%) JIRA
1 5 (20.83%) Subversion
2 4 (16.67%) Git (software)
2 4 (16.67%) TeamCity
3 1 (4.17%) Bitbucket
3 1 (4.17%) Serena SBM
General
1 9 (37.50%) Finance
2 8 (33.33%) Banking
3 5 (20.83%) Front Office
3 5 (20.83%) International Banking
4 2 (8.33%) Financial Institution
5 1 (4.17%) Back Office
5 1 (4.17%) Documentation Skills
5 1 (4.17%) Law
5 1 (4.17%) Legal
5 1 (4.17%) Social Skills
Job Titles
1 7 (29.17%) Developer
2 5 (20.83%) C# Developer
3 2 (8.33%) 2nd Line Support
3 2 (8.33%) Administrator
3 2 (8.33%) Analyst
3 2 (8.33%) C++ Developer
3 2 (8.33%) Desktop Support
3 2 (8.33%) Infrastructure Engineer
3 2 (8.33%) Linux Administrator
3 2 (8.33%) Linux Systems Administrator
3 2 (8.33%) Server Engineer
3 2 (8.33%) Site Engineer
3 2 (8.33%) Site Reliability Engineer
3 2 (8.33%) Support Analyst
3 2 (8.33%) Systems Administrator
3 2 (8.33%) VMware Engineer
3 2 (8.33%) Windows Engineer
3 2 (8.33%) Windows Server Engineer
4 1 (4.17%) Service Desk Support
4 1 (4.17%) Service Desk Support Analyst
Libraries, Frameworks & Software Standards
1 7 (29.17%) LDAP
2 6 (25.00%) .NET
3 5 (20.83%) .NET Core
3 5 (20.83%) AngularJS
3 5 (20.83%) gRPC
3 5 (20.83%) Protocol Buffers
4 4 (16.67%) REST
5 2 (8.33%) FIX Protocol
6 1 (4.17%) JSON
6 1 (4.17%) OAuth
6 1 (4.17%) SAML
6 1 (4.17%) Web Services
6 1 (4.17%) XML
Miscellaneous
1 5 (20.83%) Client/Server
2 3 (12.50%) Clustering
2 3 (12.50%) Replication
3 2 (8.33%) Derivative
3 2 (8.33%) DTCC
3 2 (8.33%) Fixed Income
4 1 (4.17%) Blackberry
4 1 (4.17%) BYOD
4 1 (4.17%) Cyber Defence
4 1 (4.17%) Enterprise Software
4 1 (4.17%) Eurex
4 1 (4.17%) Public Cloud
4 1 (4.17%) Video Conferencing
4 1 (4.17%) Virtual Team
Operating Systems
1 12 (50.00%) Windows
2 8 (33.33%) Windows Server
3 5 (20.83%) Linux
4 3 (12.50%) Solaris
4 3 (12.50%) Unix
4 3 (12.50%) Windows 10
4 3 (12.50%) Windows Server 2008
4 3 (12.50%) Windows Server 2012
4 3 (12.50%) Windows Server 2016
5 2 (8.33%) Windows 7
5 2 (8.33%) Windows Server 2019
6 1 (4.17%) Red Hat Enterprise Linux
Processes & Methodologies
1 10 (41.67%) DevOps
2 8 (33.33%) Agile Software Development
3 6 (25.00%) Disaster Recovery
3 6 (25.00%) High Availability
4 5 (20.83%) Electronic Trading
4 5 (20.83%) Microservices
4 5 (20.83%) Security Hardening
4 5 (20.83%) TDD
5 4 (16.67%) Storage Management
6 3 (12.50%) API Integration
6 3 (12.50%) Configuration Management
6 3 (12.50%) Data Security
6 3 (12.50%) Infrastructure Engineering
6 3 (12.50%) ITIL
6 3 (12.50%) Kernel Tuning
6 3 (12.50%) Problem-Solving
7 2 (8.33%) Performance Analysis
7 2 (8.33%) Release Management
7 2 (8.33%) Site Reliability Engineering
7 2 (8.33%) Task Automation
Programming Languages
1 8 (33.33%) Python
1 8 (33.33%) SQL
2 7 (29.17%) PowerShell
3 6 (25.00%) C#
4 5 (20.83%) TypeScript
5 4 (16.67%) Perl
5 4 (16.67%) Shell Script
6 3 (12.50%) Java
6 3 (12.50%) VBA
7 2 (8.33%) Bash Shell
7 2 (8.33%) C++
8 1 (4.17%) JavaScript
8 1 (4.17%) VBScript
Qualifications
1 2 (8.33%) Computer Science Degree
1 2 (8.33%) Degree
2 1 (4.17%) CISSP
2 1 (4.17%) ITIL Foundation Certificate
2 1 (4.17%) Master's Degree
2 1 (4.17%) MOS
Quality Assurance & Compliance
1 2 (8.33%) SLA
2 1 (4.17%) GDPR
2 1 (4.17%) Sarbanes-Oxley
System Software
1 10 (41.67%) Active Directory
2 7 (29.17%) VMware ESXi
2 7 (29.17%) VMware Infrastructure
3 2 (8.33%) Docker
3 2 (8.33%) NFS
3 2 (8.33%) Veritas File System
3 2 (8.33%) Veritas Volume Manager
3 2 (8.33%) Virtual Desktop
3 2 (8.33%) vSphere
4 1 (4.17%) BitLocker
4 1 (4.17%) Microsoft App-V
4 1 (4.17%) Virtual Machines
4 1 (4.17%) XenApp
4 1 (4.17%) XenDesktop
Systems Management
1 5 (20.83%) Ansible
1 5 (20.83%) SCCM
2 4 (16.67%) Control-M
2 4 (16.67%) EMC NetWorker
2 4 (16.67%) Netcool
2 4 (16.67%) QRadar
2 4 (16.67%) Tivoli
2 4 (16.67%) Tivoli Storage Manager
3 3 (12.50%) Red Hat Satellite
4 2 (8.33%) Failover Clustering
4 2 (8.33%) Kubernetes
4 2 (8.33%) Microsoft Clustering
4 2 (8.33%) NetBackup
4 2 (8.33%) Opscode Chef
4 2 (8.33%) Puppet
4 2 (8.33%) Symantec Enterprise Vault
4 2 (8.33%) Terraform
4 2 (8.33%) vCenter Server
5 1 (4.17%) Grafana
5 1 (4.17%) Norton AntiVirus
Vendors
1 11 (45.83%) Microsoft
2 9 (37.50%) VMware
3 6 (25.00%) Cisco
3 6 (25.00%) EMC
4 5 (20.83%) Splunk
5 4 (16.67%) BMC
5 4 (16.67%) CyberArk
5 4 (16.67%) IBM
5 4 (16.67%) Qualys
5 4 (16.67%) SaltStack
6 3 (12.50%) Dell
6 3 (12.50%) Oracle
6 3 (12.50%) Red Hat
6 3 (12.50%) Symantec
7 2 (8.33%) Bloomberg
7 2 (8.33%) Citrix
7 2 (8.33%) Forcepoint
7 2 (8.33%) NetApp
7 2 (8.33%) SunGard
7 2 (8.33%) Veritas