Period
to 18 January 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for TCP/IP skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TCP/IP over the 6 months to 18 January 2021 with a comparison to the same period in the previous 2 years.

Transmission Control Protocol/Internet Protocol (TCP/IP)
Central London > City of London
6 months to
18 Jan 2021
Same period 2020 Same period 2019
Rank 135 116 108
Rank change year-on-year -19 -8 +37
Permanent jobs citing TCP/IP 82 235 284
As % of all permanent jobs advertised in the City of London 1.92% 2.58% 2.77%
As % of the Communications & Networking category 17.23% 20.07% 21.96%
Number of salaries quoted 103 234 251
Median annual salary £77,000 £57,500 £52,500
Median salary % change year-on-year +33.91% +9.52% +5.00%
10th Percentile £45,000 £27,325 £31,250
90th Percentile £94,000 £89,625 £95,000
Central London median annual salary £77,000 £57,500 £50,000
% change year-on-year +33.91% +15.00% +3.09%

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 permanent 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
Permanent vacancies with a requirement for communications or computer networking skills 476 1,171 1,293
As % of all permanent IT jobs advertised in the City of London 11.14% 12.84% 12.59%
Number of salaries quoted 418 1,043 1,151
Median annual salary £67,500 £57,500 £55,000
Median salary % change year-on-year +17.39% +4.55% -
10th Percentile £40,625 £30,100 £31,250
90th Percentile £97,500 £91,000 £90,000
Central London median annual salary £65,000 £57,500 £55,000
% change year-on-year +13.04% +4.55% +4.76%

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
Salary Trend in the City of London

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

Salary trend for TCP/IP in the City of London

TCP/IP
Salary Histogram in the City of London

Salary distribution for jobs citing TCP/IP in the City of London over the 6 months to 18 January 2021.

Salary histogram for TCP/IP in the City of London

For the 6 months to 18 January 2021, IT 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 permanent job ads across the City of London region with a requirement for TCP/IP.

1 39 (47.56%) Finance
2 38 (46.34%) Python
3 32 (39.02%) Banking
3 32 (39.02%) Data Centre
4 26 (31.71%) Cisco
5 25 (30.49%) DNS
5 25 (30.49%) AWS
6 23 (28.05%) VMware
7 22 (26.83%) PowerShell
8 21 (25.61%) Windows
9 19 (23.17%) Ansible
10 18 (21.95%) Android
10 18 (21.95%) Linux
10 18 (21.95%) DHCP
11 17 (20.73%) Firewall
11 17 (20.73%) Multicast
12 16 (19.51%) DevOps
12 16 (19.51%) Change Control
12 16 (19.51%) HTTP
12 16 (19.51%) Java
12 16 (19.51%) Apple
12 16 (19.51%) Proactive Monitoring
13 15 (18.29%) SaaS
13 15 (18.29%) Azure
14 13 (15.85%) VMware Infrastructure
14 13 (15.85%) Office 365
14 13 (15.85%) WAN
15 12 (14.63%) Active Directory
15 12 (14.63%) OO
15 12 (14.63%) BGP

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 4 (4.88%) SharePoint
2 3 (3.66%) Confluence
2 3 (3.66%) Elasticsearch
3 1 (1.22%) Cloud Foundry
3 1 (1.22%) MS Exchange
Applications
1 2 (2.44%) Microsoft Office
2 1 (1.22%) Microsoft Excel
Business Applications
1 3 (3.66%) Eikon
Cloud Services
1 25 (30.49%) AWS
2 15 (18.29%) Azure
2 15 (18.29%) SaaS
3 13 (15.85%) Office 365
4 8 (9.76%) AWS CloudFormation
5 7 (8.54%) Azure Active Directory
6 6 (7.32%) IaaS
7 3 (3.66%) Mimecast
8 2 (2.44%) Amazon EKS
8 2 (2.44%) Cloud Computing
8 2 (2.44%) GCP
9 1 (1.22%) Amazon CloudWatch
9 1 (1.22%) Datadog
9 1 (1.22%) Slack
Communications & Networking
1 25 (30.49%) DNS
2 18 (21.95%) DHCP
3 17 (20.73%) Firewall
3 17 (20.73%) Multicast
4 16 (19.51%) HTTP
5 13 (15.85%) WAN
6 12 (14.63%) BGP
7 11 (13.41%) OSPF
7 11 (13.41%) VoIP
8 10 (12.20%) LAN
8 10 (12.20%) VPN
9 9 (10.98%) Cisco ASA
9 9 (10.98%) DMZ
9 9 (10.98%) Network Security
10 8 (9.76%) Cisco Nexus
10 8 (9.76%) NetScaler
10 8 (9.76%) VSAN
10 8 (9.76%) Wireless
11 7 (8.54%) MPLS
11 7 (8.54%) Unified Communications
Database & Business Intelligence
1 3 (3.66%) Blockchain
2 2 (2.44%) MySQL
Development Applications
1 5 (6.10%) Git (software)
2 4 (4.88%) JIRA
3 3 (3.66%) Sonatype Nexus
4 1 (1.22%) eggPlant
4 1 (1.22%) GitLab
4 1 (1.22%) Locust
General
1 39 (47.56%) Finance
2 32 (39.02%) Banking
3 3 (3.66%) Financial Institution
3 3 (3.66%) Front Office
3 3 (3.66%) Telecoms
4 1 (1.22%) Law
4 1 (1.22%) Legal
4 1 (1.22%) Manufacturing
Job Titles
1 19 (23.17%) Developer
2 17 (20.73%) Python Developer
3 12 (14.63%) Senior Developer
3 12 (14.63%) Senior Python Developer
3 12 (14.63%) Systems Engineer
4 11 (13.41%) DevOps Engineer
5 8 (9.76%) AWS DevOps
5 8 (9.76%) Backup Engineer
5 8 (9.76%) Citrix Engineer
5 8 (9.76%) Network Engineer
5 8 (9.76%) Storage and Backup Engineer
5 8 (9.76%) Storage Engineer
5 8 (9.76%) VMware Engineer
6 7 (8.54%) Architect
7 6 (7.32%) AWS DevOps Engineer
7 6 (7.32%) AWS Engineer
7 6 (7.32%) Linux Engineer
7 6 (7.32%) Python Engineer
7 6 (7.32%) Senior Network Engineer
8 5 (6.10%) Python Developer - Fintech
Libraries, Frameworks & Software Standards
1 7 (8.54%) Web Services
2 6 (7.32%) FIX Protocol
3 5 (6.10%) Sensu
4 4 (4.88%) XMPP
5 3 (3.66%) 802.1X
5 3 (3.66%) HTML
5 3 (3.66%) JSON
5 3 (3.66%) OAuth
5 3 (3.66%) OAuth2
5 3 (3.66%) OpenID
5 3 (3.66%) Regular Expression
5 3 (3.66%) RESTful
5 3 (3.66%) SAML
5 3 (3.66%) YAML
6 2 (2.44%) AngularJS
6 2 (2.44%) Elastic Stack
7 1 (1.22%) XML
Miscellaneous
1 32 (39.02%) Data Centre
2 11 (13.41%) Analytical Skills
3 8 (9.76%) Client/Server
3 8 (9.76%) EMC VNXe
3 8 (9.76%) Enterprise Storage
3 8 (9.76%) FlexPod
3 8 (9.76%) VxBlock/Vblock
4 6 (7.32%) Video Conferencing
5 3 (3.66%) Derivative
5 3 (3.66%) Enterprise Cloud
6 2 (2.44%) Hedge funds
6 2 (2.44%) Smartphone
6 2 (2.44%) User Experience
7 1 (1.22%) Cyber Kill Chain
7 1 (1.22%) Cyberattack
7 1 (1.22%) Fixed Income
Operating Systems
1 21 (25.61%) Windows
2 18 (21.95%) Android
2 18 (21.95%) Linux
3 12 (14.63%) Windows Server 2012
4 10 (12.20%) Windows 7
5 9 (10.98%) Windows 10
5 9 (10.98%) Windows Server 2008
5 9 (10.98%) Windows Server 2016
6 7 (8.54%) Red Hat Enterprise Linux
7 6 (7.32%) CentOS
7 6 (7.32%) Unix
8 5 (6.10%) Fedora
8 5 (6.10%) Ubuntu
8 5 (6.10%) Windows Server
9 1 (1.22%) Apple iOS
9 1 (1.22%) Check Point GAiA
9 1 (1.22%) Mac OS
9 1 (1.22%) Windows 8
Processes & Methodologies
1 16 (19.51%) Change Control
1 16 (19.51%) DevOps
1 16 (19.51%) Proactive Monitoring
2 12 (14.63%) Android Development
2 12 (14.63%) API Design
2 12 (14.63%) Concurrent Programming
2 12 (14.63%) Fintech
2 12 (14.63%) Machine Learning
2 12 (14.63%) Mobile Development
2 12 (14.63%) OO
2 12 (14.63%) Performance Optimisation
2 12 (14.63%) Problem-Solving
3 11 (13.41%) Load Balancing
4 8 (9.76%) Configuration Management
4 8 (9.76%) Infrastructure Engineering
4 8 (9.76%) Performance Tuning
5 7 (8.54%) Migration
6 6 (7.32%) ITIL
6 6 (7.32%) SIEM
6 6 (7.32%) Vulnerability Management
Programming Languages
1 38 (46.34%) Python
2 22 (26.83%) PowerShell
3 16 (19.51%) Java
4 12 (14.63%) Bash Shell
5 7 (8.54%) SQL
6 6 (7.32%) PHP
7 5 (6.10%) Ruby
7 5 (6.10%) Shell Script
8 4 (4.88%) JavaScript
9 3 (3.66%) C++
9 3 (3.66%) Perl
9 3 (3.66%) R
10 1 (1.22%) C#
Qualifications
1 10 (12.20%) Cisco Certification
2 9 (10.98%) CCNP
3 6 (7.32%) CCIE
4 2 (2.44%) CISM
4 2 (2.44%) CISSP
5 1 (1.22%) Degree
5 1 (1.22%) MCP
Quality Assurance & Compliance
1 2 (2.44%) ISO/IEC 27001
System Software
1 13 (15.85%) VMware Infrastructure
2 12 (14.63%) Active Directory
3 11 (13.41%) XenDesktop
4 9 (10.98%) VMware ESXi
5 7 (8.54%) Docker
6 2 (2.44%) VMware NSX
Systems Management
1 19 (23.17%) Ansible
2 11 (13.41%) Opscode Chef
2 11 (13.41%) Puppet
3 10 (12.20%) vCenter Server
4 8 (9.76%) Cisco CUCM
5 6 (7.32%) Kubernetes
5 6 (7.32%) Nagios
5 6 (7.32%) Prometheus
5 6 (7.32%) Terraform
6 3 (3.66%) Cisco Prime
6 3 (3.66%) ITRS Geneos
6 3 (3.66%) Single Sign-On
7 2 (2.44%) Docker Swarm
7 2 (2.44%) Packer
7 2 (2.44%) SCCM
8 1 (1.22%) Cacti
8 1 (1.22%) Grafana
8 1 (1.22%) Jamf Pro
8 1 (1.22%) Microsoft Intune
8 1 (1.22%) ZABBIX
Vendors
1 26 (31.71%) Cisco
2 23 (28.05%) VMware
3 16 (19.51%) Apple
4 11 (13.41%) Citrix
5 10 (12.20%) Microsoft
5 10 (12.20%) Palo Alto
6 9 (10.98%) F5
7 8 (9.76%) Dell
7 8 (9.76%) EMC
7 8 (9.76%) HP
7 8 (9.76%) Isilon
7 8 (9.76%) Ivanti
7 8 (9.76%) NetApp
8 7 (8.54%) CheckPoint
8 7 (8.54%) SolarWinds
9 4 (4.88%) Avaya
9 4 (4.88%) NICE Systems
10 3 (3.66%) Arista
10 3 (3.66%) ExtraHop
10 3 (3.66%) ForeScout