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 26 November 2025, with comparisons to the same periods in the previous two years.

6 months to
26 Nov 2025
Same period 2024 Same period 2023
Rank 208 248 226
Rank change year-on-year +40 -22 +58
Permanent jobs citing TCP/IP 194 217 258
As % of all permanent jobs in London 1.49% 1.24% 1.39%
As % of the Communications & Networking category 12.54% 10.22% 10.91%
Number of salaries quoted 125 126 230
10th Percentile £27,750 £33,200 £32,000
25th Percentile £35,000 £40,000 £39,250
Median annual salary (50th Percentile) £52,500 £50,724 £60,000
Median % change year-on-year +3.50% -15.46% +7.14%
75th Percentile £78,750 £74,046 £77,188
90th Percentile £90,500 £90,000 £92,750
England median annual salary £37,500 £47,500 £45,000
% change year-on-year -21.05% +5.56% -

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 1,547 2,123 2,365
As % of all permanent jobs advertised in London 11.87% 12.11% 12.73%
Number of salaries quoted 877 1,202 1,934
10th Percentile £28,697 £36,250 £33,250
25th Percentile £36,750 £47,500 £45,125
Median annual salary (50th Percentile) £60,000 £65,000 £65,000
Median % change year-on-year -7.69% - +4.00%
75th Percentile £85,000 £82,500 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £53,050 £51,500
% change year-on-year -24.60% +3.01% -1.90%

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 26 November 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 26 November 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 +26 37 £57,500 +23.67% 11
South London +36 9 £46,000 -8.91% 7
East London - 8 £34,000 - 2
West London - 1 £32,500 - 4
North London - 1 £32,500 - 3
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 41 (21.13%) Microsoft Exchange
2 26 (13.40%) SharePoint
3 6 (3.09%) nginx
4 3 (1.55%) Traefik
5 2 (1.03%) Apache Airflow
5 2 (1.03%) Confluence
5 2 (1.03%) IIS
6 1 (0.52%) Apache
Applications
1 6 (3.09%) Microsoft Office
2 4 (2.06%) MS Visio
3 3 (1.55%) Microsoft Excel
4 2 (1.03%) Microsoft PowerPoint
5 1 (0.52%) Acrobat
5 1 (0.52%) Adobe Creative Suite
5 1 (0.52%) OmniGraffle
5 1 (0.52%) Photoshop
Business Applications
1 1 (0.52%) Eikon
1 1 (0.52%) Fidessa
Cloud Services
1 77 (39.69%) Azure
1 77 (39.69%) Microsoft 365
2 48 (24.74%) Entra ID
3 39 (20.10%) AWS
4 21 (10.82%) SaaS
5 11 (5.67%) Google Workspace
6 10 (5.15%) GitHub
7 9 (4.64%) GCP
8 8 (4.12%) Amazon ECS
8 8 (4.12%) OneDrive
9 7 (3.61%) Amazon EKS
10 5 (2.58%) Virtual Private Cloud
11 4 (2.06%) Amazon EC2
11 4 (2.06%) Amazon ECR
11 4 (2.06%) Amazon S3
11 4 (2.06%) AWS CloudFormation
11 4 (2.06%) AWS Direct Connect
11 4 (2.06%) Azure Monitor
11 4 (2.06%) dbt
11 4 (2.06%) Pulumi
Communications & Networking
1 94 (48.45%) DNS
2 79 (40.72%) DHCP
3 66 (34.02%) VPN
3 66 (34.02%) WAN
4 64 (32.99%) Firewall
5 61 (31.44%) LAN
6 40 (20.62%) VLAN
7 28 (14.43%) Wi-Fi
8 24 (12.37%) BGP
9 21 (10.82%) OSPF
10 19 (9.79%) Wireless
11 15 (7.73%) VoIP
12 14 (7.22%) MPLS
13 12 (6.19%) Network Security
14 10 (5.15%) IPsec
14 10 (5.15%) SD-WAN
15 9 (4.64%) Fibre Channel
16 6 (3.09%) Cisco IOS
16 6 (3.09%) EIGRP
16 6 (3.09%) IP Telephony
Database & Business Intelligence
1 8 (4.12%) Amazon RDS
2 7 (3.61%) MySQL
2 7 (3.61%) SQL Server
3 6 (3.09%) PostgreSQL
4 4 (2.06%) Elasticsearch
4 4 (2.06%) Redis
5 2 (1.03%) Data Lake
5 2 (1.03%) Metadata
5 2 (1.03%) MongoDB
6 1 (0.52%) DynamoDB
6 1 (0.52%) Oracle Exadata
6 1 (0.52%) Power BI
Development Applications
1 12 (6.19%) Git
2 11 (5.67%) JIRA
3 3 (1.55%) Jenkins
4 2 (1.03%) GitLab
4 2 (1.03%) Jaeger
4 2 (1.03%) MLflow
4 2 (1.03%) Snyk
4 2 (1.03%) Sonatype Nexus
5 1 (0.52%) Fiddler
General
1 95 (48.97%) Social Skills
2 74 (38.14%) Finance
3 38 (19.59%) Banking
4 19 (9.79%) Investment Banking
5 18 (9.28%) Legal
6 16 (8.25%) Analytical Skills
7 13 (6.70%) Law
8 12 (6.19%) Inclusion and Diversity
9 8 (4.12%) Manufacturing
10 5 (2.58%) Financial Institution
10 5 (2.58%) Telecoms
11 4 (2.06%) Back Office
11 4 (2.06%) Billing
11 4 (2.06%) Front Office
11 4 (2.06%) Marketing
11 4 (2.06%) Retail
11 4 (2.06%) Wholesale Banking
12 3 (1.55%) Aerospace
12 3 (1.55%) Organisational Skills
12 3 (1.55%) Public Sector
Job Titles
1 36 (18.56%) Support Engineer
2 31 (15.98%) IT Support
3 26 (13.40%) IT Engineer
4 25 (12.89%) Developer
4 25 (12.89%) Linux Scripter
5 24 (12.37%) Infrastructure Engineer
6 23 (11.86%) Analyst
6 23 (11.86%) Senior
7 21 (10.82%) IT Support Engineer
8 19 (9.79%) C++ Developer
8 19 (9.79%) Investment Banking C++ Developer
8 19 (9.79%) Linux Developer
8 19 (9.79%) Low Latency C++ Developer
8 19 (9.79%) Support Analyst
9 16 (8.25%) Windows Engineer
10 15 (7.73%) Network Engineer
11 14 (7.22%) Systems Engineer
12 12 (6.19%) Desktop Support
13 11 (5.67%) 2nd Line Support
13 11 (5.67%) Lead
Libraries, Frameworks & Software Standards
1 5 (2.58%) Kafka
2 4 (2.06%) Django
2 4 (2.06%) FIX Protocol
3 3 (1.55%) .NET
3 3 (1.55%) 802.1X
3 3 (1.55%) LDAP
3 3 (1.55%) OAuth
3 3 (1.55%) RESTful
4 2 (1.03%) FastAPI
4 2 (1.03%) Keycloak
4 2 (1.03%) Middleware
4 2 (1.03%) OAuth2
4 2 (1.03%) Sass
4 2 (1.03%) WebRTC
4 2 (1.03%) ZeroMQ
5 1 (0.52%) AWS CDK
5 1 (0.52%) Elastic Stack
5 1 (0.52%) Microsoft Graph
5 1 (0.52%) OpenID
5 1 (0.52%) WSH
Miscellaneous
1 28 (14.43%) Onboarding
2 20 (10.31%) FPGA
3 16 (8.25%) iPhone
4 15 (7.73%) Enterprise Software
5 13 (6.70%) Hedge funds
5 13 (6.70%) Hybrid Cloud
5 13 (6.70%) Video Conferencing
6 12 (6.19%) Cloud Native
7 11 (5.67%) iPad
8 10 (5.15%) Data Centre
9 9 (4.64%) CCTV
10 8 (4.12%) Distributed Systems
10 8 (4.12%) Management Information System
11 7 (3.61%) Self-Motivation
12 5 (2.58%) Social Media
13 4 (2.06%) Linux Command Line
13 4 (2.06%) Mobile App
14 3 (1.55%) IoT
14 3 (1.55%) Mobile Banking
14 3 (1.55%) Public Cloud
Operating Systems
1 98 (50.52%) Windows
2 64 (32.99%) Linux
3 49 (25.26%) Windows Server
4 25 (12.89%) Windows 10
5 24 (12.37%) Mac OS
6 17 (8.76%) Windows Server 2012
7 14 (7.22%) Unix
8 11 (5.67%) Windows Server 2016
8 11 (5.67%) Windows Server 2019
9 10 (5.15%) Android
9 10 (5.15%) Red Hat Enterprise Linux
10 8 (4.12%) Mac OS X
11 6 (3.09%) VMS
12 5 (2.58%) Apple iOS
12 5 (2.58%) Windows 7
13 3 (1.55%) CentOS
13 3 (1.55%) Ubuntu
14 2 (1.03%) OpenWrt
14 2 (1.03%) Solaris
15 1 (0.52%) Windows Server 2008
Processes & Methodologies
1 41 (21.13%) Problem-Solving
2 33 (17.01%) Infrastructure Engineering
3 30 (15.46%) Agile
4 28 (14.43%) DevOps
4 28 (14.43%) Low Latency
5 27 (13.92%) Disaster Recovery
5 27 (13.92%) ITIL
6 26 (13.40%) Infrastructure as Code
6 26 (13.40%) Root Cause Analysis
7 25 (12.89%) Customer Service
8 24 (12.37%) Cybersecurity
9 21 (10.82%) Patch Management
10 19 (9.79%) Continuous Improvement
11 17 (8.76%) CI/CD
12 16 (8.25%) Task Automation
13 15 (7.73%) Collaborative Working
13 15 (7.73%) High Availability
13 15 (7.73%) Incident Response
13 15 (7.73%) Migration
14 14 (7.22%) Batch Scripting
Programming Languages
1 41 (21.13%) Python
2 33 (17.01%) PowerShell
3 32 (16.49%) Java
4 24 (12.37%) C++
5 23 (11.86%) C
6 11 (5.67%) Bash
7 10 (5.15%) SQL
8 6 (3.09%) Go
9 5 (2.58%) C#
10 3 (1.55%) Shell Script
11 2 (1.03%) Perl
12 1 (0.52%) Bourne shell
12 1 (0.52%) C-shell
12 1 (0.52%) TypeScript
12 1 (0.52%) VB.NET
12 1 (0.52%) VBScript
Qualifications
1 40 (20.62%) Degree
2 20 (10.31%) Cisco Certification
3 17 (8.76%) Microsoft Certification
4 14 (7.22%) Azure Certification
5 13 (6.70%) Security Cleared
6 12 (6.19%) CCNA
7 11 (5.67%) Network+ Certification
8 10 (5.15%) CCNP
8 10 (5.15%) SC Cleared
9 8 (4.12%) A+ Certification
10 7 (3.61%) AWS Certification
10 7 (3.61%) MCSA
11 6 (3.09%) Computer Science Degree
11 6 (3.09%) MCSE
12 5 (2.58%) MCP
13 3 (1.55%) CCIE
13 3 (1.55%) DV Cleared
13 3 (1.55%) HNC
13 3 (1.55%) HND
13 3 (1.55%) JNCIP
Quality Assurance & Compliance
1 17 (8.76%) ISO/IEC 27001
2 10 (5.15%) GDPR
3 8 (4.12%) SLA
4 7 (3.61%) Cyber Essentials
5 5 (2.58%) SOC 2
6 4 (2.06%) PCI DSS
7 3 (1.55%) NIST
8 2 (1.03%) PMO
9 1 (0.52%) Cyber Essentials PLUS
9 1 (0.52%) NIST 800
System Software
1 76 (39.18%) Active Directory
2 36 (18.56%) VMware Infrastructure
3 20 (10.31%) Hyper-V
4 11 (5.67%) vSphere
5 10 (5.15%) NFS
6 7 (3.61%) Docker
7 4 (2.06%) BitLocker
7 4 (2.06%) Virtual Machines
8 3 (1.55%) Virtual Desktop
8 3 (1.55%) VMware ESXi
9 2 (1.03%) KVM
9 2 (1.03%) pfSense
10 1 (0.52%) Virtual Servers
10 1 (0.52%) VMware NSX
Systems Management
1 38 (19.59%) Microsoft Intune
2 27 (13.92%) Terraform
3 19 (9.79%) Ansible
4 16 (8.25%) Active Directory Federation Services
5 15 (7.73%) Kubernetes
6 14 (7.22%) Single Sign-On
7 8 (4.12%) SCCM
8 6 (3.09%) Autotask
9 4 (2.06%) Jamf Pro
9 4 (2.06%) Nagios
10 3 (1.55%) Grafana
10 3 (1.55%) HAProxy
10 3 (1.55%) Prometheus
11 2 (1.03%) Argo
11 2 (1.03%) AWS Copilot
11 2 (1.03%) vCenter Server
12 1 (0.52%) Computer Emergency Response Teams
12 1 (0.52%) Computer Incident Response Team
12 1 (0.52%) Functional Safety
12 1 (0.52%) VxRail
Vendors
1 92 (47.42%) Microsoft
2 44 (22.68%) Cisco
3 37 (19.07%) VMware
4 17 (8.76%) Bloomberg
4 17 (8.76%) Reuters
5 15 (7.73%) Google
6 14 (7.22%) Palo Alto
6 14 (7.22%) Red Hat
7 13 (6.70%) Fortinet
8 12 (6.19%) Juniper
9 10 (5.15%) Commvault
10 9 (4.64%) Pure Storage
11 8 (4.12%) CheckPoint
11 8 (4.12%) Citrix
11 8 (4.12%) SolarWinds
12 7 (3.61%) Apple
12 7 (3.61%) Arista
13 6 (3.09%) Datto
14 5 (2.58%) Okta
14 5 (2.58%) Zscaler