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 January 2026, with comparisons to the same periods in the previous two years.

6 months to
4 Jan 2026
Same period 2025 Same period 2024
Rank 89 73 64
Rank change year-on-year -16 -9 +43
Permanent jobs citing Firewall 424 624 744
As % of all permanent jobs in London 3.08% 4.00% 4.17%
As % of the Communications & Networking category 24.91% 31.33% 32.99%
Number of salaries quoted 310 420 641
10th Percentile £32,000 £40,000 £41,750
25th Percentile £41,250 £53,750 £52,000
Median annual salary (50th Percentile) £67,500 £72,450 £65,000
Median % change year-on-year -6.83% +11.46% +4.00%
75th Percentile £87,500 £90,000 £82,500
90th Percentile £98,750 £100,000 £97,500
England median annual salary £46,000 £53,000 £52,500
% change year-on-year -13.21% +0.95% -

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 1,702 1,992 2,255
As % of all permanent jobs advertised in London 12.38% 12.78% 12.64%
Number of salaries quoted 907 1,111 1,778
10th Percentile £28,697 £37,000 £35,000
25th Percentile £36,750 £50,000 £47,500
Median annual salary (50th Percentile) £60,000 £67,500 £65,000
Median % change year-on-year -11.11% +3.85% +4.00%
75th Percentile £87,375 £85,000 £82,500
90th Percentile £107,500 £100,000 £100,000
England median annual salary £40,000 £54,000 £50,000
% change year-on-year -25.93% +8.00% -4.76%

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 January 2026.

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 January 2026. 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 -12 75 £80,000 +6.67% 38
East London +6 26 £35,000 - 5
West London +8 14 £72,500 +8.21% 11
South London +29 8 £46,000 -23.33% 3
North London +13 6 £75,000 +100.00%
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 40 (9.43%) Microsoft Exchange
2 27 (6.37%) SharePoint
3 4 (0.94%) Confluence
4 3 (0.71%) Apache
5 2 (0.47%) Apache Airflow
5 2 (0.47%) IIS
5 2 (0.47%) nginx
Applications
1 10 (2.36%) MS Visio
2 9 (2.12%) Microsoft Office
3 1 (0.24%) Adobe Creative Suite
3 1 (0.24%) Microsoft Project
Business Applications
1 3 (0.71%) Fidessa
2 1 (0.24%) Dynamics CRM
Cloud Services
1 238 (56.13%) Azure
2 128 (30.19%) Microsoft 365
3 89 (20.99%) AWS
4 63 (14.86%) Entra ID
5 33 (7.78%) SaaS
6 25 (5.90%) GCP
7 23 (5.42%) IaaS
8 21 (4.95%) PaaS
9 19 (4.48%) GitHub
10 17 (4.01%) Azure DevOps
11 15 (3.54%) Azure Monitor
11 15 (3.54%) Datadog
12 14 (3.30%) Azure ExpressRoute
12 14 (3.30%) Azure Sentinel
13 12 (2.83%) GitHub Actions
13 12 (2.83%) Google Workspace
14 10 (2.36%) Azure Key Vault
15 9 (2.12%) Azure AKS
15 9 (2.12%) Cloud Computing
15 9 (2.12%) Mimecast
Communications & Networking
1 150 (35.38%) VPN
2 114 (26.89%) WAN
3 98 (23.11%) LAN
4 83 (19.58%) Wi-Fi
5 70 (16.51%) Network Security
6 66 (15.57%) DNS
7 58 (13.68%) TCP/IP
7 58 (13.68%) VLAN
8 57 (13.44%) Wireless
9 53 (12.50%) SD-WAN
10 52 (12.26%) DHCP
11 43 (10.14%) BGP
12 41 (9.67%) OSPF
13 29 (6.84%) Cisco ASA
14 25 (5.90%) Intrusion Detection
14 25 (5.90%) VoIP
15 21 (4.95%) Cisco Wireless
16 19 (4.48%) Cisco Nexus
17 18 (4.25%) Cisco Firepower
18 17 (4.01%) WLAN
Database & Business Intelligence
1 23 (5.42%) SQL Server
2 8 (1.89%) Power BI
3 6 (1.42%) MySQL
4 4 (0.94%) Azure SQL Database
5 2 (0.47%) Amazon RDS
5 2 (0.47%) Data Lake
5 2 (0.47%) InfluxDB
5 2 (0.47%) Metadata
5 2 (0.47%) MongoDB
5 2 (0.47%) NoSQL
5 2 (0.47%) PostgreSQL
5 2 (0.47%) Relational Database
Development Applications
1 11 (2.59%) Git
2 6 (1.42%) Chocolatey
2 6 (1.42%) Jenkins
3 5 (1.18%) GitLab
4 4 (0.94%) JIRA
4 4 (0.94%) Sonatype Nexus
4 4 (0.94%) TeamCity
5 2 (0.47%) Jaeger
5 2 (0.47%) MLflow
6 1 (0.24%) Burp Suite
General
1 130 (30.66%) Social Skills
2 121 (28.54%) Finance
3 47 (11.08%) Analytical Skills
4 31 (7.31%) Banking
5 22 (5.19%) Telecoms
6 14 (3.30%) Law
6 14 (3.30%) Legal
7 13 (3.07%) Documentation Skills
8 11 (2.59%) Financial Institution
9 10 (2.36%) Inclusion and Diversity
10 9 (2.12%) Manufacturing
10 9 (2.12%) Marketing
11 8 (1.89%) Influencing Skills
12 7 (1.65%) Retail
13 6 (1.42%) Organisational Skills
13 6 (1.42%) Public Sector
14 5 (1.18%) Japanese Language
15 4 (0.94%) Advertising
15 4 (0.94%) Back Office
15 4 (0.94%) Billing
Job Titles
1 106 (25.00%) Network Engineer
2 68 (16.04%) Senior
3 64 (15.09%) Analyst
4 61 (14.39%) Infrastructure Engineer
5 52 (12.26%) Support Engineer
6 44 (10.38%) IT Support
7 42 (9.91%) IT Engineer
8 33 (7.78%) Cloud Engineer
9 31 (7.31%) Azure Engineer
10 30 (7.08%) Support Analyst
11 28 (6.60%) Cisco Engineer
12 24 (5.66%) IT Support Engineer
13 23 (5.42%) Security Analyst
13 23 (5.42%) Security Engineer
14 22 (5.19%) Cisco Network Engineer
14 22 (5.19%) IT Analyst
15 20 (4.72%) Lead
15 20 (4.72%) Senior Network Engineer
16 19 (4.48%) Platform Engineer
17 18 (4.25%) Senior Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 8 (1.89%) .NET
1 8 (1.89%) ADO
1 8 (1.89%) OAuth
1 8 (1.89%) SAML
1 8 (1.89%) YAML
2 4 (0.94%) 802.1X
2 4 (0.94%) RESTful
3 3 (0.71%) FIX Protocol
3 3 (0.71%) Microsoft Graph
4 2 (0.47%) AWS SAM
4 2 (0.47%) Elastic Stack
4 2 (0.47%) FastAPI
4 2 (0.47%) Kafka
4 2 (0.47%) Keycloak
4 2 (0.47%) WebRTC
5 1 (0.24%) REST
Miscellaneous
1 57 (13.44%) Data Centre
2 40 (9.43%) Management Information System
3 29 (6.84%) Hybrid Cloud
4 21 (4.95%) Cyber Threat
5 20 (4.72%) Onboarding
6 19 (4.48%) Driving Licence
7 18 (4.25%) Cloud Native
8 14 (3.30%) Security Posture
9 13 (3.07%) Enterprise Software
9 13 (3.07%) Self-Motivation
10 11 (2.59%) PKI
11 10 (2.36%) Foreign Exchange (FX)
11 10 (2.36%) Public Cloud
12 9 (2.12%) Virtual Team
13 7 (1.65%) IoT
13 7 (1.65%) Private Cloud
14 6 (1.42%) Analytical Mindset
14 6 (1.42%) Legacy Applications
15 5 (1.18%) Legacy Systems
15 5 (1.18%) Security Operations Centre
Operating Systems
1 142 (33.49%) Windows
2 79 (18.63%) Linux
3 68 (16.04%) Windows Server
4 21 (4.95%) VMS
5 18 (4.25%) Windows 10
5 18 (4.25%) Windows Server 2019
6 16 (3.77%) Unix
7 14 (3.30%) Mac OS
8 13 (3.07%) Ubuntu
9 12 (2.83%) Windows Server 2016
10 11 (2.59%) Red Hat Enterprise Linux
11 8 (1.89%) CentOS
12 4 (0.94%) Mac OS X
13 3 (0.71%) Android
13 3 (0.71%) Solaris
14 2 (0.47%) Apple iOS
14 2 (0.47%) Debian
14 2 (0.47%) Kali Linux
15 1 (0.24%) Windows Server 2012
Processes & Methodologies
1 96 (22.64%) Cybersecurity
2 92 (21.70%) Problem-Solving
3 85 (20.05%) Incident Response
4 72 (16.98%) Infrastructure Engineering
5 66 (15.57%) Disaster Recovery
6 65 (15.33%) SIEM
7 59 (13.92%) Infrastructure as Code
8 55 (12.97%) Computer Science
9 51 (12.03%) Information Security
10 49 (11.56%) ITIL
11 48 (11.32%) Migration
12 45 (10.61%) DevOps
13 44 (10.38%) Zero Trust
14 42 (9.91%) Cloud Security
15 41 (9.67%) Customer Service
16 39 (9.20%) Security Operations
17 37 (8.73%) Kalman Filter
17 37 (8.73%) Load Balancing
18 36 (8.49%) Continuous Improvement
19 34 (8.02%) High Availability
Programming Languages
1 83 (19.58%) PowerShell
2 80 (18.87%) Python
3 27 (6.37%) Bash
4 21 (4.95%) SQL
5 13 (3.07%) Bicep
6 11 (2.59%) Kusto Query Language
7 6 (1.42%) Go
8 4 (0.94%) Java
9 2 (0.47%) C#
9 2 (0.47%) JavaScript
9 2 (0.47%) Shell Script
9 2 (0.47%) VB.NET
10 1 (0.24%) Perl
Qualifications
1 86 (20.28%) Cisco Certification
1 86 (20.28%) Degree
2 66 (15.57%) CCNP
3 55 (12.97%) CISSP
4 38 (8.96%) CCNA
5 34 (8.02%) CCIE
6 32 (7.55%) Computer Science Degree
7 31 (7.31%) CISM
8 26 (6.13%) Azure Certification
9 20 (4.72%) AWS Certification
9 20 (4.72%) Microsoft Certification
9 20 (4.72%) Network+ Certification
9 20 (4.72%) Security Cleared
10 15 (3.54%) DBS Check
11 14 (3.30%) CompTIA Security+
12 13 (3.07%) CCSE
13 12 (2.83%) CCSA
13 12 (2.83%) HND
13 12 (2.83%) SC Cleared
14 10 (2.36%) CISA
Quality Assurance & Compliance
1 71 (16.75%) ISO/IEC 27001
2 45 (10.61%) GDPR
3 43 (10.14%) NIST
4 25 (5.90%) Cyber Essentials
5 17 (4.01%) PCI DSS
6 14 (3.30%) SOC 2
7 12 (2.83%) Cyber Essentials PLUS
8 8 (1.89%) SLA
9 6 (1.42%) PMO
10 5 (1.18%) GRC
11 3 (0.71%) ITGC
12 2 (0.47%) Accessibility
12 2 (0.47%) Basel III
12 2 (0.47%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
12 2 (0.47%) MiFID
12 2 (0.47%) Sarbanes-Oxley
13 1 (0.24%) HIPAA
13 1 (0.24%) NIST 800
13 1 (0.24%) QA
System Software
1 136 (32.08%) Active Directory
2 51 (12.03%) VMware Infrastructure
3 21 (4.95%) Hyper-V
3 21 (4.95%) Virtual Machines
4 19 (4.48%) Firmware
5 15 (3.54%) Docker
6 14 (3.30%) vSphere
7 9 (2.12%) Virtual Desktop
8 8 (1.89%) NFS
9 7 (1.65%) VMware ESXi
10 5 (1.18%) KVM
11 4 (0.94%) pfSense
11 4 (0.94%) ProxySG
11 4 (0.94%) XenApp
11 4 (0.94%) XenDesktop
12 2 (0.47%) EMC RecoverPoint
12 2 (0.47%) Squid
13 1 (0.24%) VMware NSX
13 1 (0.24%) VMware Server
Systems Management
1 69 (16.27%) Terraform
2 57 (13.44%) Microsoft Intune
3 53 (12.50%) Ansible
4 38 (8.96%) Kubernetes
5 27 (6.37%) FortiGate
5 27 (6.37%) SCCM
6 12 (2.83%) Autotask
6 12 (2.83%) CASB
7 10 (2.36%) Grafana
7 10 (2.36%) Prometheus
7 10 (2.36%) Single Sign-On
8 7 (1.65%) CSIRT
8 7 (1.65%) Nessus
9 6 (1.42%) QRadar
10 5 (1.18%) Argo
10 5 (1.18%) SCOM
11 4 (0.94%) Cilium
11 4 (0.94%) Computer Emergency Response Teams
11 4 (0.94%) vCenter Server
12 3 (0.71%) Docker Swarm
Vendors
1 156 (36.79%) Microsoft
2 147 (34.67%) Cisco
3 82 (19.34%) VMware
4 70 (16.51%) Palo Alto
5 60 (14.15%) Fortinet
6 53 (12.50%) CheckPoint
7 41 (9.67%) Meraki
8 32 (7.55%) Juniper
8 32 (7.55%) SolarWinds
9 18 (4.25%) F5
10 17 (4.01%) Splunk
10 17 (4.01%) Zscaler
11 15 (3.54%) Google
12 14 (3.30%) Red Hat
13 13 (3.07%) Arista
14 12 (2.83%) Citrix
14 12 (2.83%) Dynatrace
15 11 (2.59%) CrowdStrike
16 9 (2.12%) AppDynamics
16 9 (2.12%) ServiceNow