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 4 December 2025, with comparisons to the same periods in the previous two years.

6 months to
4 Dec 2025
Same period 2024 Same period 2023
Rank 89 79 62
Rank change year-on-year -10 -17 +52
Permanent jobs citing Firewall 437 638 772
As % of all permanent jobs in London 3.28% 3.74% 4.25%
As % of the Communications & Networking category 28.28% 30.24% 33.43%
Number of salaries quoted 321 432 665
10th Percentile £32,000 £38,000 £40,000
25th Percentile £43,000 £52,500 £51,250
Median annual salary (50th Percentile) £66,500 £70,000 £65,000
Median % change year-on-year -5.00% +7.69% +1.56%
75th Percentile £87,500 £85,063 £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 1,545 2,110 2,309
As % of all permanent jobs advertised in London 11.61% 12.38% 12.71%
Number of salaries quoted 880 1,202 1,884
10th Percentile £28,697 £36,775 £33,826
25th Percentile £36,750 £48,750 £46,250
Median annual salary (50th Percentile) £60,000 £66,500 £65,000
Median % change year-on-year -9.77% +2.31% +4.00%
75th Percentile £85,000 £83,750 £82,500
90th Percentile £106,250 £100,000 £100,000
England median annual salary £40,000 £54,000 £51,500
% change year-on-year -25.93% +4.85% -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 4 December 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 4 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 -17 70 £75,000 - 31
East London +1 23 £35,000 -36.36% 6
West London +13 15 £49,500 -26.12% 6
South London +26 7 £46,000 -24.37% 7
North London +9 5 £75,000 +100.00% 2
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 44 (10.07%) Microsoft Exchange
2 34 (7.78%) SharePoint
3 3 (0.69%) Confluence
3 3 (0.69%) Moodle
3 3 (0.69%) nginx
4 2 (0.46%) Apache
4 2 (0.46%) Apache Airflow
5 1 (0.23%) IIS
Applications
1 13 (2.97%) Microsoft Office
1 13 (2.97%) MS Visio
2 2 (0.46%) Microsoft Excel
3 1 (0.23%) Adobe Creative Suite
3 1 (0.23%) Microsoft PowerPoint
3 1 (0.23%) Microsoft Project
Business Applications
1 2 (0.46%) Fidessa
2 1 (0.23%) SAP S/4HANA
Cloud Services
1 230 (52.63%) Azure
2 121 (27.69%) Microsoft 365
3 86 (19.68%) AWS
4 65 (14.87%) Entra ID
5 34 (7.78%) SaaS
6 27 (6.18%) IaaS
7 20 (4.58%) PaaS
8 19 (4.35%) GCP
9 17 (3.89%) GitHub
10 16 (3.66%) Azure Monitor
11 13 (2.97%) Azure Sentinel
12 12 (2.75%) Power Platform
13 11 (2.52%) Azure DevOps
13 11 (2.52%) Google Workspace
14 10 (2.29%) Azure ExpressRoute
15 9 (2.06%) Azure Logic Apps
15 9 (2.06%) Cloud Computing
15 9 (2.06%) Mimecast
16 8 (1.83%) Azure Key Vault
16 8 (1.83%) Power Automate
Communications & Networking
1 141 (32.27%) VPN
2 114 (26.09%) WAN
3 113 (25.86%) LAN
4 93 (21.28%) Network Security
5 69 (15.79%) Wi-Fi
6 63 (14.42%) Wireless
7 61 (13.96%) TCP/IP
7 61 (13.96%) VLAN
8 58 (13.27%) DNS
9 51 (11.67%) BGP
10 49 (11.21%) DHCP
10 49 (11.21%) OSPF
11 48 (10.98%) SD-WAN
12 30 (6.86%) Intrusion Detection
12 30 (6.86%) VoIP
13 22 (5.03%) Cisco ASA
13 22 (5.03%) Cisco Wireless
14 20 (4.58%) Wireshark
15 19 (4.35%) WLAN
16 18 (4.12%) Cisco Nexus
Database & Business Intelligence
1 19 (4.35%) SQL Server
2 11 (2.52%) Power BI
3 7 (1.60%) MySQL
4 6 (1.37%) NoSQL
4 6 (1.37%) Relational Database
5 4 (0.92%) Azure SQL Database
6 3 (0.69%) InfluxDB
7 2 (0.46%) Data Lake
7 2 (0.46%) Metadata
7 2 (0.46%) MongoDB
7 2 (0.46%) PostgreSQL
8 1 (0.23%) Oracle Reports
Development Applications
1 11 (2.52%) Git
2 4 (0.92%) TeamCity
3 3 (0.69%) GitLab
3 3 (0.69%) JIRA
3 3 (0.69%) Sonatype Nexus
4 2 (0.46%) Chocolatey
4 2 (0.46%) Jaeger
4 2 (0.46%) Jenkins
4 2 (0.46%) MLflow
5 1 (0.23%) Burp Suite
5 1 (0.23%) SonarQube
General
1 137 (31.35%) Social Skills
2 121 (27.69%) Finance
3 40 (9.15%) Analytical Skills
4 30 (6.86%) Banking
5 25 (5.72%) Telecoms
6 19 (4.35%) Documentation Skills
7 17 (3.89%) Law
8 13 (2.97%) Financial Institution
9 12 (2.75%) Inclusion and Diversity
10 9 (2.06%) Legal
10 9 (2.06%) Marketing
11 7 (1.60%) Manufacturing
11 7 (1.60%) Organisational Skills
11 7 (1.60%) Retail
12 6 (1.37%) Japanese Language
13 5 (1.14%) Public Sector
14 4 (0.92%) Advertising
14 4 (0.92%) Back Office
14 4 (0.92%) Billing
14 4 (0.92%) Influencing Skills
Job Titles
1 103 (23.57%) Network Engineer
2 72 (16.48%) Senior
3 65 (14.87%) Analyst
4 61 (13.96%) Infrastructure Engineer
5 52 (11.90%) Support Engineer
6 45 (10.30%) IT Support
7 34 (7.78%) IT Engineer
8 32 (7.32%) Support Analyst
9 30 (6.86%) Security Engineer
10 24 (5.49%) IT Analyst
10 24 (5.49%) Lead
10 24 (5.49%) Security Analyst
10 24 (5.49%) Senior Network Engineer
11 22 (5.03%) Azure Engineer
11 22 (5.03%) Cisco Engineer
11 22 (5.03%) Cloud Engineer
12 21 (4.81%) IT Support Engineer
13 17 (3.89%) Senior Infrastructure Engineer
14 16 (3.66%) 2nd Line Support
14 16 (3.66%) Network Support
Libraries, Frameworks & Software Standards
1 7 (1.60%) .NET
1 7 (1.60%) 802.1X
2 5 (1.14%) RESTful
2 5 (1.14%) YAML
3 4 (0.92%) ADO
3 4 (0.92%) OAuth
3 4 (0.92%) SAML
4 3 (0.69%) Elastic Stack
4 3 (0.69%) Microsoft Graph
5 2 (0.46%) AWS SAM
5 2 (0.46%) FastAPI
5 2 (0.46%) FIX Protocol
5 2 (0.46%) Kafka
5 2 (0.46%) Keycloak
5 2 (0.46%) REST
5 2 (0.46%) WebRTC
6 1 (0.23%) EDI
6 1 (0.23%) LDAP
6 1 (0.23%) Oracle Fusion
6 1 (0.23%) WSH
Miscellaneous
1 61 (13.96%) Data Centre
2 38 (8.70%) Management Information System
3 28 (6.41%) Hybrid Cloud
4 21 (4.81%) Cyber Threat
5 19 (4.35%) Driving Licence
6 18 (4.12%) Cloud Native
6 18 (4.12%) Onboarding
7 17 (3.89%) Self-Motivation
8 14 (3.20%) Public Cloud
9 13 (2.97%) Enterprise Software
9 13 (2.97%) Security Posture
10 12 (2.75%) PKI
11 8 (1.83%) Virtual Team
12 7 (1.60%) Private Cloud
12 7 (1.60%) Security Operations Centre
12 7 (1.60%) Video Conferencing
13 6 (1.37%) CCTV
13 6 (1.37%) Foreign Exchange (FX)
13 6 (1.37%) Legacy Applications
13 6 (1.37%) Legacy Systems
Operating Systems
1 150 (34.32%) Windows
2 83 (18.99%) Linux
3 75 (17.16%) Windows Server
4 18 (4.12%) VMS
5 17 (3.89%) Unix
5 17 (3.89%) Windows 10
6 16 (3.66%) Windows Server 2019
7 15 (3.43%) Mac OS
8 12 (2.75%) Red Hat Enterprise Linux
9 11 (2.52%) Ubuntu
9 11 (2.52%) Windows Server 2016
10 8 (1.83%) CentOS
11 4 (0.92%) Mac OS X
12 3 (0.69%) Android
13 2 (0.46%) Apple iOS
13 2 (0.46%) Debian
13 2 (0.46%) Kali Linux
13 2 (0.46%) Solaris
14 1 (0.23%) Windows Server 2012
Processes & Methodologies
1 96 (21.97%) Cybersecurity
2 93 (21.28%) Problem-Solving
3 87 (19.91%) Incident Response
4 73 (16.70%) Infrastructure Engineering
5 67 (15.33%) SIEM
6 66 (15.10%) Infrastructure as Code
7 60 (13.73%) Disaster Recovery
8 51 (11.67%) Computer Science
8 51 (11.67%) Information Security
9 50 (11.44%) ITIL
10 48 (10.98%) Migration
11 47 (10.76%) DevOps
12 43 (9.84%) Network Monitoring
13 41 (9.38%) Cloud Security
13 41 (9.38%) Load Balancing
13 41 (9.38%) Security Operations
14 38 (8.70%) Customer Service
15 36 (8.24%) Change Management
15 36 (8.24%) Continuous Improvement
16 34 (7.78%) High Availability
Programming Languages
1 90 (20.59%) Python
2 89 (20.37%) PowerShell
3 31 (7.09%) Bash
4 23 (5.26%) SQL
5 10 (2.29%) Bicep
6 7 (1.60%) Go
7 6 (1.37%) Kusto Query Language
8 4 (0.92%) Java
8 4 (0.92%) Shell Script
9 3 (0.69%) JavaScript
10 1 (0.23%) C#
10 1 (0.23%) Perl
10 1 (0.23%) R
10 1 (0.23%) VB.NET
10 1 (0.23%) VBScript
Qualifications
1 88 (20.14%) Cisco Certification
2 87 (19.91%) Degree
3 65 (14.87%) CCNP
4 48 (10.98%) CISSP
5 37 (8.47%) CCIE
5 37 (8.47%) CCNA
6 29 (6.64%) Azure Certification
7 27 (6.18%) Computer Science Degree
8 26 (5.95%) CISM
9 22 (5.03%) AWS Certification
9 22 (5.03%) Security Cleared
10 17 (3.89%) Microsoft Certification
11 15 (3.43%) Network+ Certification
11 15 (3.43%) SC Cleared
12 14 (3.20%) DBS Check
13 12 (2.75%) HND
14 11 (2.52%) CompTIA Security+
15 10 (2.29%) CCSA
15 10 (2.29%) CCSE
15 10 (2.29%) CEH
Quality Assurance & Compliance
1 66 (15.10%) ISO/IEC 27001
2 47 (10.76%) NIST
3 44 (10.07%) GDPR
4 22 (5.03%) Cyber Essentials
5 11 (2.52%) PCI DSS
6 10 (2.29%) SOC 2
7 7 (1.60%) Cyber Essentials PLUS
8 6 (1.37%) PMO
9 5 (1.14%) SLA
10 4 (0.92%) GRC
10 4 (0.92%) QA
11 3 (0.69%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
11 3 (0.69%) ITGC
12 2 (0.46%) Accessibility
12 2 (0.46%) Basel III
12 2 (0.46%) MiFID
12 2 (0.46%) Sarbanes-Oxley
13 1 (0.23%) HIPAA
13 1 (0.23%) NIST 800
System Software
1 131 (29.98%) Active Directory
2 61 (13.96%) VMware Infrastructure
3 26 (5.95%) Hyper-V
4 17 (3.89%) vSphere
5 16 (3.66%) Virtual Machines
6 13 (2.97%) Firmware
7 12 (2.75%) Docker
8 10 (2.29%) Virtual Desktop
9 9 (2.06%) NFS
10 8 (1.83%) VMware ESXi
11 6 (1.37%) ProxySG
12 5 (1.14%) KVM
12 5 (1.14%) XenApp
12 5 (1.14%) XenDesktop
13 4 (0.92%) pfSense
14 3 (0.69%) EMC RecoverPoint
14 3 (0.69%) VMware NSX
15 2 (0.46%) Squid
15 2 (0.46%) Virtual Servers
16 1 (0.23%) VMware Server
Systems Management
1 68 (15.56%) Terraform
2 54 (12.36%) Ansible
3 50 (11.44%) Microsoft Intune
4 37 (8.47%) Kubernetes
5 24 (5.49%) SCCM
6 23 (5.26%) FortiGate
7 16 (3.66%) Autotask
8 15 (3.43%) Grafana
9 12 (2.75%) Single Sign-On
10 11 (2.52%) Prometheus
11 8 (1.83%) CASB
11 8 (1.83%) CSIRT
11 8 (1.83%) Nessus
12 6 (1.37%) QRadar
13 5 (1.14%) Computer Emergency Response Teams
13 5 (1.14%) SCOM
14 4 (0.92%) Argo
14 4 (0.92%) Cilium
14 4 (0.92%) vCenter Server
15 3 (0.69%) VxRail
Vendors
1 156 (35.70%) Microsoft
2 153 (35.01%) Cisco
3 90 (20.59%) VMware
4 71 (16.25%) Palo Alto
5 51 (11.67%) CheckPoint
6 48 (10.98%) Fortinet
7 41 (9.38%) Meraki
8 40 (9.15%) SolarWinds
9 33 (7.55%) Juniper
10 28 (6.41%) F5
11 16 (3.66%) Arista
11 16 (3.66%) Zscaler
12 15 (3.43%) Google
12 15 (3.43%) Splunk
13 14 (3.20%) Red Hat
14 13 (2.97%) Citrix
15 10 (2.29%) Aruba
16 9 (2.06%) Commvault
16 9 (2.06%) CrowdStrike
17 8 (1.83%) Pure Storage