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

6 months to
16 Nov 2025
Same period 2024 Same period 2023
Rank 196 242 221
Rank change year-on-year +46 -21 +62
Permanent jobs citing TCP/IP 202 214 284
As % of all permanent jobs in London 1.58% 1.23% 1.47%
As % of the Communications & Networking category 12.97% 10.26% 11.64%
Number of salaries quoted 129 125 249
10th Percentile £27,750 £33,200 £32,000
25th Percentile £35,000 £40,000 £40,000
Median annual salary (50th Percentile) £52,500 £50,948 £58,000
Median % change year-on-year +3.05% -12.16% +0.87%
75th Percentile £78,750 £75,000 £75,000
90th Percentile £88,500 £90,000 £90,000
England median annual salary £37,500 £47,500 £46,000
% change year-on-year -21.05% +3.26% +2.22%

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 1,557 2,085 2,440
As % of all permanent jobs advertised in London 12.15% 11.99% 12.66%
Number of salaries quoted 886 1,185 1,989
10th Percentile £28,697 £36,850 £33,000
25th Percentile £36,750 £47,500 £45,000
Median annual salary (50th Percentile) £57,900 £65,000 £65,000
Median % change year-on-year -10.92% - +4.00%
75th Percentile £82,500 £82,500 £82,548
90th Percentile £105,000 £100,000 £100,000
England median annual salary £40,000 £53,500 £51,500
% change year-on-year -25.23% +3.88% -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 16 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 16 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 +30 38 £57,500 +27.78% 64
South London +31 10 £46,000 -8.91% 12
East London - 8 £34,000 - 3
West London - 1 £32,500 - 30
North London - 1 £32,500 - 7
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 (21.29%) Microsoft Exchange
2 26 (12.87%) SharePoint
3 7 (3.47%) nginx
4 4 (1.98%) Traefik
5 2 (0.99%) Apache Airflow
5 2 (0.99%) IIS
6 1 (0.50%) Apache
6 1 (0.50%) Confluence
Applications
1 6 (2.97%) Microsoft Office
2 4 (1.98%) Microsoft Excel
2 4 (1.98%) MS Visio
3 2 (0.99%) Microsoft PowerPoint
4 1 (0.50%) Acrobat
4 1 (0.50%) Adobe Creative Suite
4 1 (0.50%) OmniGraffle
4 1 (0.50%) Photoshop
Business Applications
1 1 (0.50%) Eikon
1 1 (0.50%) Fidessa
Cloud Services
1 80 (39.60%) Azure
2 77 (38.12%) Microsoft 365
3 47 (23.27%) Entra ID
4 40 (19.80%) AWS
5 21 (10.40%) SaaS
6 12 (5.94%) GitHub
7 11 (5.45%) Google Workspace
8 8 (3.96%) Amazon ECS
8 8 (3.96%) Amazon EKS
8 8 (3.96%) GCP
9 7 (3.47%) OneDrive
10 5 (2.48%) Akamai
11 4 (1.98%) Amazon EC2
11 4 (1.98%) Amazon ECR
11 4 (1.98%) Amazon S3
11 4 (1.98%) AWS CloudFormation
11 4 (1.98%) Cloudflare
11 4 (1.98%) dbt
11 4 (1.98%) Pulumi
11 4 (1.98%) Virtual Private Cloud
Communications & Networking
1 97 (48.02%) DNS
2 80 (39.60%) DHCP
3 71 (35.15%) WAN
4 70 (34.65%) LAN
5 64 (31.68%) VPN
6 62 (30.69%) Firewall
7 40 (19.80%) VLAN
8 28 (13.86%) Wi-Fi
9 25 (12.38%) BGP
10 21 (10.40%) OSPF
11 16 (7.92%) Wireless
12 15 (7.43%) VoIP
13 14 (6.93%) MPLS
14 11 (5.45%) Fibre Channel
14 11 (5.45%) Network Security
15 9 (4.46%) IPsec
16 7 (3.47%) SD-WAN
17 6 (2.97%) Cisco IOS
17 6 (2.97%) IP Telephony
17 6 (2.97%) Reverse Proxy
Database & Business Intelligence
1 8 (3.96%) Amazon RDS
2 7 (3.47%) MySQL
2 7 (3.47%) SQL Server
3 6 (2.97%) PostgreSQL
4 4 (1.98%) Elasticsearch
4 4 (1.98%) Redis
5 2 (0.99%) Data Lake
5 2 (0.99%) Metadata
5 2 (0.99%) MongoDB
6 1 (0.50%) DynamoDB
6 1 (0.50%) Oracle Exadata
6 1 (0.50%) Power BI
Development Applications
1 15 (7.43%) Git
2 10 (4.95%) JIRA
3 3 (1.49%) Jenkins
4 2 (0.99%) GitLab
4 2 (0.99%) Jaeger
4 2 (0.99%) MLflow
4 2 (0.99%) Snyk
4 2 (0.99%) Sonatype Nexus
5 1 (0.50%) Fiddler
General
1 98 (48.51%) Social Skills
2 81 (40.10%) Finance
3 44 (21.78%) Banking
4 20 (9.90%) Investment Banking
5 18 (8.91%) Analytical Skills
5 18 (8.91%) Legal
6 15 (7.43%) Inclusion and Diversity
7 13 (6.44%) Law
8 8 (3.96%) Manufacturing
9 7 (3.47%) Telecoms
10 5 (2.48%) Financial Institution
10 5 (2.48%) Front Office
11 4 (1.98%) Back Office
11 4 (1.98%) Billing
11 4 (1.98%) Marketing
11 4 (1.98%) Retail
11 4 (1.98%) Wholesale Banking
12 3 (1.49%) Aerospace
12 3 (1.49%) Pharmaceutical
12 3 (1.49%) Public Sector
Job Titles
1 35 (17.33%) Support Engineer
2 33 (16.34%) IT Support
3 28 (13.86%) Infrastructure Engineer
4 26 (12.87%) Developer
4 26 (12.87%) IT Engineer
4 26 (12.87%) Linux Scripter
5 23 (11.39%) Senior
6 22 (10.89%) Analyst
7 21 (10.40%) IT Support Engineer
8 20 (9.90%) C++ Developer
8 20 (9.90%) Investment Banking C++ Developer
8 20 (9.90%) Linux Developer
8 20 (9.90%) Low Latency C++ Developer
9 18 (8.91%) Network Engineer
9 18 (8.91%) Support Analyst
10 17 (8.42%) Windows Engineer
11 14 (6.93%) Lead
11 14 (6.93%) Systems Engineer
12 12 (5.94%) Desktop Support
13 11 (5.45%) 2nd Line Support
Libraries, Frameworks & Software Standards
1 6 (2.97%) Kafka
2 4 (1.98%) Django
2 4 (1.98%) FIX Protocol
3 3 (1.49%) .NET
3 3 (1.49%) 802.1X
3 3 (1.49%) Middleware
3 3 (1.49%) OAuth
3 3 (1.49%) RESTful
4 2 (0.99%) FastAPI
4 2 (0.99%) Keycloak
4 2 (0.99%) LDAP
4 2 (0.99%) OAuth2
4 2 (0.99%) Sass
4 2 (0.99%) WebRTC
4 2 (0.99%) ZeroMQ
5 1 (0.50%) AWS CDK
5 1 (0.50%) Jinja
5 1 (0.50%) OpenID
5 1 (0.50%) YAML
5 1 (0.50%) YANG
Miscellaneous
1 26 (12.87%) Onboarding
2 21 (10.40%) FPGA
3 15 (7.43%) Hedge funds
4 14 (6.93%) Data Centre
4 14 (6.93%) Enterprise Software
4 14 (6.93%) Hybrid Cloud
4 14 (6.93%) iPhone
5 10 (4.95%) Cloud Native
5 10 (4.95%) Video Conferencing
6 9 (4.46%) CCTV
6 9 (4.46%) iPad
7 8 (3.96%) Distributed Systems
7 8 (3.96%) Management Information System
8 6 (2.97%) Self-Motivation
9 5 (2.48%) Social Media
10 4 (1.98%) Linux Command Line
10 4 (1.98%) Mobile Banking
10 4 (1.98%) Public Cloud
11 3 (1.49%) IoT
11 3 (1.49%) Security Posture
Operating Systems
1 101 (50.00%) Windows
2 68 (33.66%) Linux
3 48 (23.76%) Windows Server
4 24 (11.88%) Mac OS
4 24 (11.88%) Windows 10
5 19 (9.41%) Windows Server 2012
6 15 (7.43%) Unix
7 12 (5.94%) Red Hat Enterprise Linux
7 12 (5.94%) Windows Server 2016
7 12 (5.94%) Windows Server 2019
8 10 (4.95%) Android
9 8 (3.96%) Mac OS X
10 6 (2.97%) VMS
11 5 (2.48%) Windows 7
12 3 (1.49%) Apple iOS
12 3 (1.49%) CentOS
12 3 (1.49%) Ubuntu
13 2 (0.99%) OpenWrt
13 2 (0.99%) Solaris
14 1 (0.50%) Oracle Linux
Processes & Methodologies
1 42 (20.79%) Problem-Solving
2 37 (18.32%) Infrastructure Engineering
3 32 (15.84%) Agile
3 32 (15.84%) DevOps
4 30 (14.85%) Low Latency
5 26 (12.87%) Disaster Recovery
5 26 (12.87%) Infrastructure as Code
5 26 (12.87%) ITIL
6 25 (12.38%) Cybersecurity
7 23 (11.39%) Customer Service
7 23 (11.39%) Patch Management
7 23 (11.39%) Root Cause Analysis
8 20 (9.90%) Continuous Improvement
9 18 (8.91%) CI/CD
10 17 (8.42%) Collaborative Working
10 17 (8.42%) Migration
10 17 (8.42%) Task Automation
11 16 (7.92%) Batch Scripting
11 16 (7.92%) High Availability
12 15 (7.43%) Systems Engineering
Programming Languages
1 45 (22.28%) Python
2 34 (16.83%) Java
2 34 (16.83%) PowerShell
3 25 (12.38%) C++
4 24 (11.88%) C
5 12 (5.94%) Bash
6 10 (4.95%) SQL
7 7 (3.47%) Go
8 5 (2.48%) C#
9 3 (1.49%) Shell Script
10 2 (0.99%) Perl
11 1 (0.50%) Bourne shell
11 1 (0.50%) C-shell
11 1 (0.50%) TypeScript
11 1 (0.50%) VB.NET
11 1 (0.50%) VBScript
Qualifications
1 37 (18.32%) Degree
2 21 (10.40%) Cisco Certification
3 18 (8.91%) Microsoft Certification
4 14 (6.93%) CCNA
5 13 (6.44%) Azure Certification
5 13 (6.44%) Security Cleared
6 11 (5.45%) Network+ Certification
7 10 (4.95%) CCNP
7 10 (4.95%) SC Cleared
8 8 (3.96%) A+ Certification
9 7 (3.47%) MCSA
10 6 (2.97%) AWS Certification
10 6 (2.97%) Computer Science Degree
10 6 (2.97%) MCSE
11 5 (2.48%) MCP
12 3 (1.49%) DV Cleared
12 3 (1.49%) HNC
12 3 (1.49%) HND
12 3 (1.49%) ITIL Foundation Certificate
12 3 (1.49%) JNCIP
Quality Assurance & Compliance
1 15 (7.43%) ISO/IEC 27001
2 8 (3.96%) SLA
3 7 (3.47%) Cyber Essentials
3 7 (3.47%) GDPR
4 4 (1.98%) PCI DSS
4 4 (1.98%) SOC 2
5 3 (1.49%) NIST
6 2 (0.99%) PMO
7 1 (0.50%) Cyber Essentials PLUS
7 1 (0.50%) NIST 800
System Software
1 78 (38.61%) Active Directory
2 38 (18.81%) VMware Infrastructure
3 21 (10.40%) Hyper-V
4 13 (6.44%) vSphere
5 12 (5.94%) NFS
6 8 (3.96%) Docker
7 5 (2.48%) Virtual Desktop
8 4 (1.98%) BitLocker
9 3 (1.49%) VMware ESXi
10 2 (0.99%) KVM
10 2 (0.99%) pfSense
10 2 (0.99%) Virtual Machines
10 2 (0.99%) VMware NSX
11 1 (0.50%) Virtual Servers
Systems Management
1 41 (20.30%) Microsoft Intune
2 29 (14.36%) Terraform
3 24 (11.88%) Ansible
4 19 (9.41%) Kubernetes
5 17 (8.42%) Active Directory Federation Services
6 15 (7.43%) Single Sign-On
7 11 (5.45%) SCCM
8 6 (2.97%) Autotask
9 4 (1.98%) HAProxy
9 4 (1.98%) Jamf Pro
9 4 (1.98%) Nagios
10 3 (1.49%) Grafana
10 3 (1.49%) Prometheus
10 3 (1.49%) WSUS
11 2 (0.99%) Argo
11 2 (0.99%) AWS Copilot
11 2 (0.99%) NetBackup
11 2 (0.99%) SCOM
11 2 (0.99%) vCenter Server
12 1 (0.50%) Backup Exec
Vendors
1 93 (46.04%) Microsoft
2 49 (24.26%) Cisco
3 39 (19.31%) VMware
4 19 (9.41%) Bloomberg
5 18 (8.91%) Reuters
6 16 (7.92%) Red Hat
7 15 (7.43%) Google
8 14 (6.93%) Fortinet
8 14 (6.93%) Palo Alto
9 12 (5.94%) Commvault
9 12 (5.94%) Juniper
10 11 (5.45%) Pure Storage
11 9 (4.46%) CheckPoint
11 9 (4.46%) Citrix
11 9 (4.46%) SolarWinds
12 7 (3.47%) Apple
12 7 (3.47%) Arista
13 6 (2.97%) Datto
14 5 (2.48%) F5
14 5 (2.48%) Okta