TCP/IP Job Trends in London

Transmission Control Protocol/Internet Protocol (TCP/IP)
England > London

The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring TCP/IP skills. It covers permanent job vacancies from the 6 months leading up to 18 December 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Dec 2025
Same period 2024 Same period 2023
Rank 206 241 226
Rank change year-on-year +35 -15 +51
Permanent jobs citing TCP/IP 183 205 232
As % of all permanent jobs in London 1.37% 1.27% 1.30%
As % of the Communications & Networking category 11.02% 9.98% 10.24%
Number of salaries quoted 119 123 214
10th Percentile £27,750 £33,200 £32,500
25th Percentile £34,750 £40,000 £40,000
Median annual salary (50th Percentile) £46,000 £53,000 £61,250
Median % change year-on-year -13.21% -13.47% +9.38%
75th Percentile £78,750 £77,500 £78,438
90th Percentile £88,000 £90,000 £91,750
England median annual salary £37,500 £50,000 £45,000
% change year-on-year -25.00% +11.11% -

All Communications and Computer Networking Skills
London

TCP/IP falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring communications or computer networking skills in London.

Permanent vacancies with a requirement for communications or computer networking skills 1,661 2,055 2,266
As % of all permanent jobs advertised in London 12.40% 12.74% 12.73%
Number of salaries quoted 889 1,168 1,812
10th Percentile £28,697 £37,000 £35,000
25th Percentile £36,250 £50,000 £46,250
Median annual salary (50th Percentile) £60,000 £67,500 £65,000
Median % change year-on-year -11.11% +3.85% +4.00%
75th Percentile £85,000 £85,000 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £54,000 £50,000
% change year-on-year -25.93% +8.00% -4.76%

TCP/IP
Job Vacancy Trend in London

Historical trend showing the proportion of permanent IT job postings citing TCP/IP relative to all permanent IT jobs advertised in London.

TCP/IP job vacancy trend in London

TCP/IP
Salary Trend in London

Salary distribution trend for jobs in London citing TCP/IP.

Salary distribution trend for jobs in London citing TCP/IP

TCP/IP
Salary Histogram in London

Salary distribution for jobs citing TCP/IP in London over the 6 months to 18 December 2025.

Salary histogram for TCP/IP in London

TCP/IP
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TCP/IP within the London region over the 6 months to 18 December 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Central London +27 33 £57,500 +22.34% 6
South London +37 9 £46,000 -8.46% 9
East London - 7 £34,000 - 4
West London +2 1 £32,500 -18.75% 2
North London - 1 £32,500 -
TCP/IP
England

TCP/IP
Co-Occurring Skills & Capabilities in London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 43 (23.50%) Microsoft Exchange
2 28 (15.30%) SharePoint
3 4 (2.19%) nginx
4 3 (1.64%) IIS
5 2 (1.09%) Apache
5 2 (1.09%) Apache Airflow
5 2 (1.09%) Confluence
Applications
1 6 (3.28%) Microsoft Office
2 2 (1.09%) Microsoft Excel
2 2 (1.09%) Microsoft PowerPoint
2 2 (1.09%) MS Visio
3 1 (0.55%) Acrobat
3 1 (0.55%) Adobe Creative Suite
3 1 (0.55%) Photoshop
Business Applications
1 2 (1.09%) Fidessa
Cloud Services
1 77 (42.08%) Azure
1 77 (42.08%) Microsoft 365
2 50 (27.32%) Entra ID
3 37 (20.22%) AWS
4 19 (10.38%) SaaS
5 16 (8.74%) Google Workspace
6 12 (6.56%) GCP
6 12 (6.56%) OneDrive
7 8 (4.37%) Amazon ECS
7 8 (4.37%) GitHub
8 5 (2.73%) Azure Monitor
8 5 (2.73%) Virtual Private Cloud
9 4 (2.19%) Amazon EC2
9 4 (2.19%) Amazon ECR
9 4 (2.19%) Amazon EKS
9 4 (2.19%) Amazon S3
9 4 (2.19%) AWS CloudFormation
9 4 (2.19%) AWS Direct Connect
9 4 (2.19%) dbt
9 4 (2.19%) Pulumi
Communications & Networking
1 88 (48.09%) DNS
2 75 (40.98%) DHCP
3 64 (34.97%) VPN
4 62 (33.88%) WAN
5 61 (33.33%) Firewall
6 53 (28.96%) LAN
7 37 (20.22%) VLAN
8 30 (16.39%) Wi-Fi
9 17 (9.29%) BGP
9 17 (9.29%) Wireless
10 16 (8.74%) VoIP
11 14 (7.65%) OSPF
12 10 (5.46%) SD-WAN
13 9 (4.92%) MPLS
14 7 (3.83%) Fibre Channel
14 7 (3.83%) IPsec
15 6 (3.28%) Network Security
16 5 (2.73%) Cisco Nexus
16 5 (2.73%) SAN
17 4 (2.19%) Cisco IOS
Database & Business Intelligence
1 8 (4.37%) Amazon RDS
2 7 (3.83%) MySQL
2 7 (3.83%) SQL Server
3 6 (3.28%) PostgreSQL
4 4 (2.19%) Elasticsearch
4 4 (2.19%) Redis
5 2 (1.09%) Data Lake
5 2 (1.09%) Metadata
5 2 (1.09%) MongoDB
6 1 (0.55%) DynamoDB
6 1 (0.55%) Oracle Exadata
6 1 (0.55%) Power BI
Development Applications
1 12 (6.56%) JIRA
2 10 (5.46%) Git
3 3 (1.64%) Jenkins
4 2 (1.09%) GitLab
4 2 (1.09%) Jaeger
4 2 (1.09%) MLflow
4 2 (1.09%) Snyk
4 2 (1.09%) Sonatype Nexus
General
1 89 (48.63%) Social Skills
2 70 (38.25%) Finance
3 32 (17.49%) Banking
4 18 (9.84%) Investment Banking
4 18 (9.84%) Legal
5 16 (8.74%) Analytical Skills
6 9 (4.92%) Law
7 8 (4.37%) Manufacturing
8 7 (3.83%) Inclusion and Diversity
9 4 (2.19%) Billing
9 4 (2.19%) Front Office
9 4 (2.19%) Marketing
9 4 (2.19%) Retail
9 4 (2.19%) Telecoms
9 4 (2.19%) Wholesale Banking
10 3 (1.64%) Back Office
10 3 (1.64%) Financial Institution
10 3 (1.64%) Organisational Skills
10 3 (1.64%) Presentation Skills
11 2 (1.09%) Public Sector
Job Titles
1 39 (21.31%) Support Engineer
2 32 (17.49%) IT Support
3 28 (15.30%) IT Engineer
4 27 (14.75%) Developer
5 24 (13.11%) Linux Scripter
6 23 (12.57%) IT Support Engineer
7 22 (12.02%) Analyst
8 20 (10.93%) C++ Developer
8 20 (10.93%) Senior
9 19 (10.38%) Infrastructure Engineer
10 18 (9.84%) Investment Banking C++ Developer
10 18 (9.84%) Linux Developer
10 18 (9.84%) Low Latency C++ Developer
10 18 (9.84%) Support Analyst
11 15 (8.20%) Windows Engineer
12 14 (7.65%) 2nd Line Support
13 13 (7.10%) Network Engineer
13 13 (7.10%) Systems Engineer
14 11 (6.01%) 2nd Line Engineer
14 11 (6.01%) Desktop Support
Libraries, Frameworks & Software Standards
1 6 (3.28%) FIX Protocol
2 4 (2.19%) .NET
2 4 (2.19%) Django
2 4 (2.19%) LDAP
3 3 (1.64%) RESTful
3 3 (1.64%) Sass
3 3 (1.64%) ZeroMQ
4 2 (1.09%) FastAPI
4 2 (1.09%) Kafka
4 2 (1.09%) Keycloak
4 2 (1.09%) OAuth
4 2 (1.09%) OAuth2
4 2 (1.09%) WebRTC
5 1 (0.55%) AWS CDK
5 1 (0.55%) Elastic Stack
5 1 (0.55%) MFC
5 1 (0.55%) WebSockets
5 1 (0.55%) WSH
Miscellaneous
1 29 (15.85%) Onboarding
2 20 (10.93%) FPGA
3 15 (8.20%) Enterprise Software
4 14 (7.65%) iPhone
4 14 (7.65%) Video Conferencing
5 12 (6.56%) Hedge funds
6 11 (6.01%) Hybrid Cloud
7 10 (5.46%) iPad
8 9 (4.92%) CCTV
8 9 (4.92%) Cloud Native
9 8 (4.37%) Distributed Systems
9 8 (4.37%) Management Information System
10 7 (3.83%) Data Centre
10 7 (3.83%) Self-Motivation
11 6 (3.28%) Mobile App
12 5 (2.73%) Analytical Mindset
12 5 (2.73%) Social Media
13 4 (2.19%) Algorithms
13 4 (2.19%) Linux Command Line
13 4 (2.19%) Security Posture
Operating Systems
1 97 (53.01%) Windows
2 68 (37.16%) Linux
3 51 (27.87%) Windows Server
4 28 (15.30%) Windows 10
5 25 (13.66%) Mac OS
6 17 (9.29%) Windows Server 2012
7 16 (8.74%) Unix
8 13 (7.10%) Windows Server 2016
8 13 (7.10%) Windows Server 2019
9 10 (5.46%) Red Hat Enterprise Linux
10 8 (4.37%) Android
10 8 (4.37%) Mac OS X
11 7 (3.83%) Apple iOS
12 6 (3.28%) VMS
13 4 (2.19%) CentOS
13 4 (2.19%) Ubuntu
13 4 (2.19%) Windows 7
14 3 (1.64%) Solaris
15 2 (1.09%) OpenWrt
15 2 (1.09%) Oracle Linux
Processes & Methodologies
1 38 (20.77%) Problem-Solving
2 26 (14.21%) Agile
2 26 (14.21%) Infrastructure Engineering
2 26 (14.21%) Root Cause Analysis
3 25 (13.66%) Customer Service
3 25 (13.66%) Disaster Recovery
3 25 (13.66%) Low Latency
4 24 (13.11%) DevOps
4 24 (13.11%) Infrastructure as Code
4 24 (13.11%) ITIL
5 22 (12.02%) Cybersecurity
6 20 (10.93%) Continuous Improvement
7 18 (9.84%) Computer Science
7 18 (9.84%) Incident Response
8 17 (9.29%) Patch Management
9 16 (8.74%) CI/CD
10 15 (8.20%) Task Automation
11 13 (7.10%) Collaborative Working
11 13 (7.10%) High Availability
11 13 (7.10%) Zero Trust
Programming Languages
1 46 (25.14%) Python
2 34 (18.58%) PowerShell
3 29 (15.85%) Java
4 26 (14.21%) C++
5 23 (12.57%) C
6 13 (7.10%) SQL
7 10 (5.46%) Bash
8 7 (3.83%) C#
9 3 (1.64%) Go
9 3 (1.64%) Perl
9 3 (1.64%) Shell Script
10 2 (1.09%) VB.NET
11 1 (0.55%) Bourne shell
11 1 (0.55%) C-shell
11 1 (0.55%) TypeScript
11 1 (0.55%) VBScript
Qualifications
1 38 (20.77%) Degree
2 16 (8.74%) Microsoft Certification
3 15 (8.20%) Cisco Certification
4 12 (6.56%) Azure Certification
4 12 (6.56%) Security Cleared
5 9 (4.92%) CCNA
5 9 (4.92%) Network+ Certification
5 9 (4.92%) SC Cleared
6 8 (4.37%) A+ Certification
6 8 (4.37%) Computer Science Degree
6 8 (4.37%) MCSA
7 7 (3.83%) AWS Certification
7 7 (3.83%) CCNP
8 6 (3.28%) MCP
8 6 (3.28%) MCSE
9 5 (2.73%) GIAC
10 3 (1.64%) CCIE
10 3 (1.64%) DV Cleared
10 3 (1.64%) MCITP
10 3 (1.64%) SANS
Quality Assurance & Compliance
1 17 (9.29%) ISO/IEC 27001
2 10 (5.46%) GDPR
3 7 (3.83%) SLA
4 6 (3.28%) Cyber Essentials
4 6 (3.28%) SOC 2
5 4 (2.19%) PCI DSS
6 3 (1.64%) NIST
7 2 (1.09%) PMO
8 1 (0.55%) Cyber Essentials PLUS
8 1 (0.55%) NIST 800
System Software
1 75 (40.98%) Active Directory
2 37 (20.22%) VMware Infrastructure
3 19 (10.38%) Hyper-V
4 9 (4.92%) vSphere
5 8 (4.37%) NFS
6 7 (3.83%) Docker
7 5 (2.73%) Virtual Machines
8 4 (2.19%) BitLocker
9 3 (1.64%) VMware ESXi
10 2 (1.09%) KVM
10 2 (1.09%) pfSense
11 1 (0.55%) Firmware
11 1 (0.55%) Virtual Desktop
11 1 (0.55%) VMware NSX
Systems Management
1 37 (20.22%) Microsoft Intune
2 23 (12.57%) Terraform
3 18 (9.84%) Ansible
4 16 (8.74%) Active Directory Federation Services
5 12 (6.56%) Single Sign-On
6 10 (5.46%) Kubernetes
7 6 (3.28%) Autotask
8 5 (2.73%) Nagios
8 5 (2.73%) SCCM
9 3 (1.64%) Grafana
9 3 (1.64%) Jamf Pro
9 3 (1.64%) Prometheus
10 2 (1.09%) Argo
10 2 (1.09%) AWS Copilot
10 2 (1.09%) Red Hat Satellite
10 2 (1.09%) Red Hat Spacewalk
10 2 (1.09%) vCenter Server
11 1 (0.55%) Progress Chef
11 1 (0.55%) Puppet
11 1 (0.55%) ZABBIX
Vendors
1 92 (50.27%) Microsoft
2 38 (20.77%) VMware
3 35 (19.13%) Cisco
4 20 (10.93%) Google
5 17 (9.29%) Red Hat
6 16 (8.74%) Bloomberg
6 16 (8.74%) Reuters
7 13 (7.10%) Fortinet
8 10 (5.46%) Palo Alto
9 9 (4.92%) Juniper
10 8 (4.37%) CheckPoint
10 8 (4.37%) Commvault
11 7 (3.83%) Apple
11 7 (3.83%) Arista
11 7 (3.83%) Pure Storage
12 6 (3.28%) Citrix
12 6 (3.28%) Datto
12 6 (3.28%) Dell
12 6 (3.28%) Symantec
13 5 (2.73%) Qualys