Firewall Job Trends in London

Firewall
England > London

The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring Firewall skills. It covers permanent job vacancies from the 6 months leading up to 23 November 2025, with comparisons to the same periods in the previous two years.

6 months to
23 Nov 2025
Same period 2024 Same period 2023
Rank 87 81 65
Rank change year-on-year -6 -16 +59
Permanent jobs citing Firewall 447 653 804
As % of all permanent jobs in London 3.46% 3.68% 4.26%
As % of the Communications & Networking category 28.88% 30.43% 33.68%
Number of salaries quoted 333 429 697
10th Percentile £32,000 £37,500 £36,250
25th Percentile £42,500 £50,750 £51,250
Median annual salary (50th Percentile) £65,000 £70,000 £64,902
Median % change year-on-year -7.14% +7.85% +1.41%
75th Percentile £85,000 £85,000 £85,000
90th Percentile £97,500 £95,000 £100,000
England median annual salary £45,000 £52,500 £52,500
% change year-on-year -14.29% - -

All Communications and Computer Networking Skills
London

Firewall 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 1,548 2,146 2,387
As % of all permanent jobs advertised in London 11.99% 12.11% 12.66%
Number of salaries quoted 883 1,224 1,950
10th Percentile £28,697 £36,250 £33,250
25th Percentile £36,750 £47,500 £45,000
Median annual salary (50th Percentile) £60,000 £65,000 £64,902
Median % change year-on-year -7.69% +0.15% +3.84%
75th Percentile £85,000 £82,500 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £53,025 £51,500
% change year-on-year -24.56% +2.96% -1.90%

Firewall
Job Vacancy Trend in London

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

Firewall job vacancy trend in London

Firewall
Salary Trend in London

Salary distribution trend for jobs in London citing Firewall.

Salary distribution trend for jobs in London citing Firewall

Firewall
Salary Histogram in London

Salary distribution for jobs citing Firewall in London over the 6 months to 23 November 2025.

Salary histogram for Firewall in London

Firewall
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Firewall within the London region over the 6 months to 23 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 -20 72 £70,000 -6.67% 26
East London +1 21 £34,500 -37.27% 2
West London +15 16 £50,000 -13.04% 7
South London +24 7 £46,000 -23.33% 4
North London +7 5 £75,000 +66.67%
Firewall
England

Firewall
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 47 (10.51%) Microsoft Exchange
2 37 (8.28%) SharePoint
3 4 (0.89%) Moodle
4 3 (0.67%) nginx
5 2 (0.45%) Apache Airflow
5 2 (0.45%) Confluence
5 2 (0.45%) Skype for Business
6 1 (0.22%) Apache
6 1 (0.22%) IIS
Applications
1 16 (3.58%) MS Visio
2 12 (2.68%) Microsoft Office
3 3 (0.67%) Microsoft Project
4 2 (0.45%) AutoCAD
4 2 (0.45%) Microsoft Excel
4 2 (0.45%) Revit
5 1 (0.22%) Adobe Creative Suite
5 1 (0.22%) Microsoft PowerPoint
Business Applications
1 2 (0.45%) Fidessa
2 1 (0.22%) SAP S/4HANA
Cloud Services
1 230 (51.45%) Azure
2 116 (25.95%) Microsoft 365
3 86 (19.24%) AWS
4 63 (14.09%) Entra ID
5 33 (7.38%) SaaS
6 26 (5.82%) IaaS
7 19 (4.25%) GCP
7 19 (4.25%) PaaS
8 17 (3.80%) GitHub
9 15 (3.36%) Azure Monitor
10 14 (3.13%) Azure Sentinel
11 13 (2.91%) Power Platform
12 11 (2.46%) Google Workspace
13 9 (2.01%) Azure DevOps
13 9 (2.01%) Azure ExpressRoute
13 9 (2.01%) Azure Logic Apps
14 8 (1.79%) Cloud Computing
14 8 (1.79%) Microsoft Purview
14 8 (1.79%) Power Automate
15 7 (1.57%) Mimecast
Communications & Networking
1 134 (29.98%) VPN
2 120 (26.85%) LAN
3 118 (26.40%) WAN
4 96 (21.48%) Network Security
5 67 (14.99%) Wi-Fi
6 64 (14.32%) Wireless
7 61 (13.65%) VLAN
8 60 (13.42%) TCP/IP
9 58 (12.98%) DNS
10 54 (12.08%) BGP
11 51 (11.41%) OSPF
12 50 (11.19%) SD-WAN
13 46 (10.29%) DHCP
14 34 (7.61%) Intrusion Detection
15 32 (7.16%) VoIP
16 22 (4.92%) Cisco Wireless
17 20 (4.47%) Wireshark
18 19 (4.25%) Cisco ASA
19 18 (4.03%) Cisco Nexus
19 18 (4.03%) WLAN
Database & Business Intelligence
1 18 (4.03%) SQL Server
2 12 (2.68%) Power BI
3 7 (1.57%) MySQL
4 6 (1.34%) NoSQL
4 6 (1.34%) Relational Database
5 3 (0.67%) Data Lake
5 3 (0.67%) InfluxDB
6 2 (0.45%) Azure SQL Database
6 2 (0.45%) Metadata
6 2 (0.45%) MongoDB
6 2 (0.45%) PostgreSQL
7 1 (0.22%) Oracle Reports
Development Applications
1 10 (2.24%) Git
2 4 (0.89%) GitLab
2 4 (0.89%) JIRA
2 4 (0.89%) TeamCity
3 2 (0.45%) Jaeger
3 2 (0.45%) Jenkins
3 2 (0.45%) MLflow
3 2 (0.45%) Sonatype Nexus
4 1 (0.22%) Burp Suite
4 1 (0.22%) SonarQube
General
1 140 (31.32%) Social Skills
2 119 (26.62%) Finance
3 40 (8.95%) Analytical Skills
4 30 (6.71%) Banking
5 26 (5.82%) Telecoms
6 23 (5.15%) Documentation Skills
7 17 (3.80%) Law
8 15 (3.36%) Inclusion and Diversity
9 13 (2.91%) Financial Institution
10 12 (2.68%) Marketing
11 9 (2.01%) Legal
12 7 (1.57%) Japanese Language
12 7 (1.57%) Manufacturing
12 7 (1.57%) Public Sector
12 7 (1.57%) Retail
13 6 (1.34%) Organisational Skills
14 4 (0.89%) Advertising
14 4 (0.89%) Back Office
14 4 (0.89%) Billing
14 4 (0.89%) Influencing Skills
Job Titles
1 105 (23.49%) Network Engineer
2 71 (15.88%) Analyst
2 71 (15.88%) Senior
3 62 (13.87%) Infrastructure Engineer
4 51 (11.41%) Support Engineer
5 46 (10.29%) IT Support
6 34 (7.61%) Support Analyst
7 31 (6.94%) Security Engineer
8 30 (6.71%) IT Engineer
9 28 (6.26%) IT Analyst
10 26 (5.82%) Security Analyst
11 25 (5.59%) Lead
12 22 (4.92%) Cisco Engineer
12 22 (4.92%) Senior Network Engineer
13 20 (4.47%) Cloud Engineer
13 20 (4.47%) IT Support Engineer
14 19 (4.25%) Azure Engineer
15 18 (4.03%) Network Support
16 17 (3.80%) IT Support Analyst
17 15 (3.36%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 9 (2.01%) 802.1X
2 7 (1.57%) .NET
3 5 (1.12%) RESTful
4 4 (0.89%) YAML
5 3 (0.67%) Elastic Stack
5 3 (0.67%) LDAP
5 3 (0.67%) Microsoft Graph
5 3 (0.67%) REST
6 2 (0.45%) ADO
6 2 (0.45%) AWS SAM
6 2 (0.45%) FastAPI
6 2 (0.45%) FIX Protocol
6 2 (0.45%) Kafka
6 2 (0.45%) Keycloak
6 2 (0.45%) OAuth
6 2 (0.45%) SAML
6 2 (0.45%) WebRTC
7 1 (0.22%) EDI
7 1 (0.22%) Oracle Fusion
7 1 (0.22%) WSH
Miscellaneous
1 64 (14.32%) Data Centre
2 36 (8.05%) Management Information System
3 28 (6.26%) Hybrid Cloud
4 21 (4.70%) Self-Motivation
5 19 (4.25%) Cyber Threat
6 18 (4.03%) Driving Licence
6 18 (4.03%) Onboarding
7 15 (3.36%) Cloud Native
8 14 (3.13%) Public Cloud
8 14 (3.13%) Security Posture
9 13 (2.91%) Enterprise Software
10 10 (2.24%) PKI
11 9 (2.01%) Video Conferencing
12 8 (1.79%) Security Operations Centre
12 8 (1.79%) Virtual Team
13 7 (1.57%) CCTV
13 7 (1.57%) IoT
13 7 (1.57%) Private Cloud
13 7 (1.57%) Social Media
14 6 (1.34%) Blog
Operating Systems
1 160 (35.79%) Windows
2 87 (19.46%) Linux
3 82 (18.34%) Windows Server
4 17 (3.80%) Unix
5 16 (3.58%) Windows 10
6 15 (3.36%) VMS
6 15 (3.36%) Windows Server 2019
7 14 (3.13%) Mac OS
8 13 (2.91%) Red Hat Enterprise Linux
9 10 (2.24%) Ubuntu
9 10 (2.24%) Windows Server 2016
10 8 (1.79%) CentOS
11 4 (0.89%) Android
11 4 (0.89%) Mac OS X
12 2 (0.45%) Apple iOS
12 2 (0.45%) Debian
12 2 (0.45%) Kali Linux
12 2 (0.45%) Solaris
13 1 (0.22%) Windows Server 2012
Processes & Methodologies
1 96 (21.48%) Cybersecurity
1 96 (21.48%) Problem-Solving
2 84 (18.79%) Incident Response
3 72 (16.11%) Infrastructure Engineering
4 67 (14.99%) SIEM
5 65 (14.54%) Infrastructure as Code
6 58 (12.98%) Disaster Recovery
7 52 (11.63%) ITIL
8 50 (11.19%) Computer Science
9 49 (10.96%) Migration
10 48 (10.74%) Information Security
11 47 (10.51%) DevOps
12 43 (9.62%) Network Monitoring
13 40 (8.95%) Customer Service
13 40 (8.95%) Load Balancing
14 39 (8.72%) Cloud Security
15 38 (8.50%) Security Operations
16 35 (7.83%) Continuous Improvement
17 34 (7.61%) High Availability
18 33 (7.38%) Change Management
Programming Languages
1 92 (20.58%) PowerShell
1 92 (20.58%) Python
2 33 (7.38%) Bash
3 23 (5.15%) SQL
4 10 (2.24%) Bicep
5 7 (1.57%) Go
6 4 (0.89%) Java
6 4 (0.89%) Kusto Query Language
6 4 (0.89%) Shell Script
7 3 (0.67%) JavaScript
8 1 (0.22%) C#
8 1 (0.22%) C++
8 1 (0.22%) Perl
8 1 (0.22%) R
8 1 (0.22%) Rust
8 1 (0.22%) VB.NET
8 1 (0.22%) VBScript
Qualifications
1 91 (20.36%) Cisco Certification
2 89 (19.91%) Degree
3 67 (14.99%) CCNP
4 43 (9.62%) CISSP
5 42 (9.40%) CCNA
6 37 (8.28%) CCIE
7 28 (6.26%) Azure Certification
8 25 (5.59%) Computer Science Degree
9 24 (5.37%) CISM
10 21 (4.70%) AWS Certification
10 21 (4.70%) Security Cleared
11 17 (3.80%) Microsoft Certification
12 15 (3.36%) Network+ Certification
12 15 (3.36%) SC Cleared
13 13 (2.91%) DBS Check
14 12 (2.68%) HND
15 11 (2.46%) CompTIA Security+
16 10 (2.24%) MCP
17 9 (2.01%) CCSE
17 9 (2.01%) CEH
Quality Assurance & Compliance
1 63 (14.09%) ISO/IEC 27001
2 50 (11.19%) NIST
3 40 (8.95%) GDPR
4 20 (4.47%) Cyber Essentials
5 11 (2.46%) PCI DSS
6 7 (1.57%) QA
6 7 (1.57%) SOC 2
7 6 (1.34%) PMO
8 5 (1.12%) Cyber Essentials PLUS
8 5 (1.12%) SLA
9 4 (0.89%) GRC
10 3 (0.67%) ITGC
11 2 (0.45%) Accessibility
11 2 (0.45%) Basel III
11 2 (0.45%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
11 2 (0.45%) MiFID
11 2 (0.45%) Sarbanes-Oxley
12 1 (0.22%) HIPAA
12 1 (0.22%) NIST 800
System Software
1 132 (29.53%) Active Directory
2 69 (15.44%) VMware Infrastructure
3 27 (6.04%) Hyper-V
4 18 (4.03%) vSphere
5 14 (3.13%) Virtual Machines
6 11 (2.46%) Virtual Desktop
7 10 (2.24%) Firmware
7 10 (2.24%) NFS
8 9 (2.01%) Docker
9 8 (1.79%) VMware ESXi
10 7 (1.57%) ProxySG
11 5 (1.12%) EMC RecoverPoint
11 5 (1.12%) KVM
11 5 (1.12%) XenApp
11 5 (1.12%) XenDesktop
12 4 (0.89%) pfSense
12 4 (0.89%) Virtual Servers
13 3 (0.67%) VMware NSX
14 2 (0.45%) Squid
15 1 (0.22%) VMware Server
Systems Management
1 64 (14.32%) Terraform
2 51 (11.41%) Ansible
3 49 (10.96%) Microsoft Intune
4 36 (8.05%) Kubernetes
5 22 (4.92%) FortiGate
6 21 (4.70%) SCCM
7 16 (3.58%) Autotask
8 15 (3.36%) Grafana
9 13 (2.91%) Single Sign-On
10 11 (2.46%) Prometheus
11 8 (1.79%) CASB
11 8 (1.79%) CSIRT
11 8 (1.79%) Nessus
12 6 (1.34%) QRadar
13 5 (1.12%) Computer Emergency Response Teams
13 5 (1.12%) SCOM
13 5 (1.12%) VxRail
14 4 (0.89%) Cilium
14 4 (0.89%) Cisco CUCM
14 4 (0.89%) vCenter Server
Vendors
1 158 (35.35%) Cisco
2 156 (34.90%) Microsoft
3 97 (21.70%) VMware
4 68 (15.21%) Palo Alto
5 49 (10.96%) CheckPoint
6 46 (10.29%) Fortinet
7 45 (10.07%) SolarWinds
8 40 (8.95%) Meraki
9 33 (7.38%) Juniper
10 28 (6.26%) F5
11 17 (3.80%) Splunk
12 16 (3.58%) Arista
12 16 (3.58%) Zscaler
13 15 (3.36%) Google
13 15 (3.36%) Red Hat
14 13 (2.91%) Citrix
15 11 (2.46%) Aruba
16 10 (2.24%) Commvault
17 9 (2.01%) Pure Storage
18 8 (1.79%) CrowdStrike