Period
to 14 June 2021

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Firewall skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Firewall over the 6 months to 14 June 2021 with a comparison to the same period in the previous 2 years.

Firewall
England > London
6 months to
14 Jun 2021
Same period 2020 Same period 2019
Rank 117 75 76
Rank change year-on-year -42 +1 -3
Permanent jobs citing Firewall 1,096 1,416 2,259
As % of all permanent jobs advertised in London 2.88% 4.07% 3.92%
As % of the Communications & Networking category 27.32% 31.33% 30.95%
Number of salaries quoted 903 1,167 1,935
10th Percentile £41,250 £36,250 £30,850
25th Percentile £49,625 £45,375 £41,250
Median annual salary (50th Percentile) £60,000 £60,000 £55,000
Median % change year-on-year - +9.09% -
75th Percentile £77,500 £77,000 £72,500
90th Percentile £91,250 £87,500 £85,000
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

Firewall is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Permanent vacancies with a requirement for communications or computer networking skills 4,012 4,519 7,298
As % of all permanent IT jobs advertised in London 10.54% 12.98% 12.67%
Number of salaries quoted 2,865 3,658 6,001
10th Percentile £36,250 £31,250 £29,250
25th Percentile £47,500 £42,500 £38,250
Median annual salary (50th Percentile) £62,500 £58,750 £55,000
Median % change year-on-year +6.38% +6.82% -
75th Percentile £80,000 £75,000 £75,000
90th Percentile £92,500 £88,750 £87,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

Firewall
Job Vacancy Trend in London

Job postings citing Firewall as a proportion of all IT jobs advertised in London.

Job vacancy trend for Firewall in London

Firewall
Salary Trend in London

3-month moving average salary quoted in jobs citing Firewall in London.

Salary trend for Firewall in London

Firewall
Salary Histogram in London

Salary distribution for jobs citing Firewall in London over the 6 months to 14 June 2021.

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 14 June 2021. 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
Job
Vacancies
Central London -41 188 £60,000 -7.69% 50
West London 0 69 £50,196 -8.73% 18
South London -19 26 £47,500 -7.32% 11
East London +19 18 £50,500 -8.18% 26
North London +18 1 £32,000 -41.82% 6
Firewall
England

For the 6 months to 14 June 2021, IT jobs citing Firewall also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for Firewall.

1 448 (40.88%) Windows
2 410 (37.41%) Azure
3 378 (34.49%) Microsoft
4 345 (31.48%) Cisco
5 324 (29.56%) Linux
6 309 (28.19%) Active Directory
7 283 (25.82%) AWS
8 272 (24.82%) Microsoft 365
9 242 (22.08%) VMware
10 230 (20.99%) Windows Server
11 228 (20.80%) Cisco Certification
12 221 (20.16%) DNS
13 218 (19.89%) Social Skills
14 214 (19.53%) WAN
15 206 (18.80%) LAN
16 205 (18.70%) Cybersecurity
17 204 (18.61%) DevOps
18 201 (18.34%) Finance
19 196 (17.88%) PowerShell
20 194 (17.70%) Network Security
21 193 (17.61%) VPN
22 189 (17.24%) Python
23 186 (16.97%) Information Security
24 178 (16.24%) Palo Alto
25 162 (14.78%) VMware Infrastructure
26 158 (14.42%) TCP/IP
27 153 (13.96%) Infrastructure Engineering
28 150 (13.69%) DHCP
29 140 (12.77%) ITIL
30 135 (12.32%) Terraform

Firewall
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 67 (6.11%) SharePoint
2 61 (5.57%) MS Exchange
3 58 (5.29%) IIS
4 43 (3.92%) Apache
5 37 (3.38%) Apache Airflow
6 25 (2.28%) nginx
7 21 (1.92%) Tomcat
8 20 (1.82%) Elasticsearch
9 18 (1.64%) Exchange Server 2013
10 13 (1.19%) ejabberd
11 12 (1.09%) Skype for Business
12 9 (0.82%) Confluence
13 8 (0.73%) Apache Spark
13 8 (0.73%) Exchange Server 2003
13 8 (0.73%) Exchange Server 2010
13 8 (0.73%) Oracle SOA Suite
14 6 (0.55%) Cloud Foundry
14 6 (0.55%) OpenStack
15 5 (0.46%) Drupal
15 5 (0.46%) Facebook Platform
Applications
1 72 (6.57%) Microsoft Office
2 31 (2.83%) MS Visio
3 27 (2.46%) Microsoft Excel
4 19 (1.73%) Microsoft PowerPoint
5 2 (0.18%) Gephi
6 1 (0.091%) Microsoft Project
Business Applications
1 7 (0.64%) SAP Business One
2 5 (0.46%) Relativity
2 5 (0.46%) Sentinel
3 3 (0.27%) Endur
3 3 (0.27%) Magento
3 3 (0.27%) Sage 300 ERP
3 3 (0.27%) Sage CRM
4 2 (0.18%) Exchequer
5 1 (0.091%) Dynamics GP
5 1 (0.091%) NetSuite
5 1 (0.091%) Oracle Receivables
5 1 (0.091%) SAP Oil and Gas
Cloud Services
1 410 (37.41%) Azure
2 283 (25.82%) AWS
3 272 (24.82%) Microsoft 365
4 99 (9.03%) SaaS
5 96 (8.76%) Azure Active Directory
6 85 (7.76%) GCP
6 85 (7.76%) IaaS
6 85 (7.76%) PaaS
7 43 (3.92%) Mimecast
8 23 (2.10%) AWS CloudFormation
8 23 (2.10%) Azure Sentinel
8 23 (2.10%) Serverless
9 22 (2.01%) Azure Key Vault
9 22 (2.01%) Azure Storage
10 20 (1.82%) Cloud Computing
11 18 (1.64%) Amazon EKS
12 16 (1.46%) GitHub
13 15 (1.37%) OpenShift
14 14 (1.28%) Virtual Private Cloud
15 13 (1.19%) Amazon EC2
Communications & Networking
1 221 (20.16%) DNS
2 214 (19.53%) WAN
3 206 (18.80%) LAN
4 194 (17.70%) Network Security
5 193 (17.61%) VPN
6 158 (14.42%) TCP/IP
7 150 (13.69%) DHCP
8 108 (9.85%) BGP
9 94 (8.58%) SAN
10 90 (8.21%) VoIP
11 83 (7.57%) Wireless
12 81 (7.39%) Internet
13 79 (7.21%) VLAN
14 75 (6.84%) Cisco ASA
15 74 (6.75%) OSPF
16 73 (6.66%) Intrusion Detection
17 69 (6.30%) MPLS
18 59 (5.38%) SSL
19 58 (5.29%) Wi-Fi
20 51 (4.65%) SD-WAN
Database & Business Intelligence
1 54 (4.93%) SQL Server
2 43 (3.92%) Big Data
3 31 (2.83%) MySQL
4 24 (2.19%) PostgreSQL
5 22 (2.01%) Azure SQL Database
6 16 (1.46%) NoSQL
7 15 (1.37%) MongoDB
8 11 (1.00%) Amazon RDS
9 9 (0.82%) SQL Server 2012
10 8 (0.73%) Power BI
11 7 (0.64%) Hadoop
11 7 (0.64%) Redis
12 6 (0.55%) Relational Database
12 6 (0.55%) SQL Server 2014
12 6 (0.55%) SQL Server Integration Services
13 5 (0.46%) SQL Server Reporting Services
14 4 (0.36%) Apache Cassandra
14 4 (0.36%) MariaDB
15 3 (0.27%) Crystal Reports
15 3 (0.27%) SQL Server Analysis Services
Development Applications
1 59 (5.38%) Git (software)
2 52 (4.74%) Jenkins
3 34 (3.10%) JIRA
4 21 (1.92%) GitLab
4 21 (1.92%) Sonatype Nexus
5 8 (0.73%) Atlassian Bamboo
5 8 (0.73%) Maven
5 8 (0.73%) Metasploit
5 8 (0.73%) Vagrant
6 7 (0.64%) Bitbucket
7 6 (0.55%) Gradle
8 5 (0.46%) Bitbucket Server
8 5 (0.46%) Eclipse
8 5 (0.46%) TeamCity
9 2 (0.18%) git-flow
9 2 (0.18%) JUnit
10 1 (0.091%) MSI
10 1 (0.091%) Team Foundation Server
10 1 (0.091%) Visual Studio
10 1 (0.091%) VSS/SourceSafe
General
1 218 (19.89%) Social Skills
2 201 (18.34%) Finance
3 73 (6.66%) Telecoms
4 71 (6.48%) Analytical Skills
5 47 (4.29%) Banking
6 39 (3.56%) Legal
6 39 (3.56%) Manufacturing
7 33 (3.01%) Public Sector
8 31 (2.83%) Marketing
9 26 (2.37%) Law
10 25 (2.28%) Organisational Skills
11 24 (2.19%) Documentation Skills
11 24 (2.19%) Games
11 24 (2.19%) Retail
12 17 (1.55%) Electronics
13 14 (1.28%) Presentation Skills
14 9 (0.82%) Publishing
15 7 (0.64%) Financial Institution
16 6 (0.55%) Local Government
17 5 (0.46%) Aerospace
Job Titles
1 184 (16.79%) Network Engineer
2 120 (10.95%) Analyst
3 116 (10.58%) Infrastructure Engineer
4 89 (8.12%) Architect
5 84 (7.66%) Security Engineer
6 67 (6.11%) Security Analyst
7 66 (6.02%) Administrator
8 52 (4.74%) Consultant
8 52 (4.74%) IT Engineer
8 52 (4.74%) Support Engineer
9 49 (4.47%) Senior Network Engineer
10 47 (4.29%) Systems Administrator
11 43 (3.92%) Cloud Engineer
11 43 (3.92%) IT Analyst
12 42 (3.83%) Senior Infrastructure Engineer
13 36 (3.28%) Infrastructure Architect
14 33 (3.01%) DevOps Engineer
15 32 (2.92%) 3rd Line Engineer
15 32 (2.92%) Azure Engineer
16 31 (2.83%) IT Manager
Libraries, Frameworks & Software Standards
1 38 (3.47%) Web Services
2 34 (3.10%) Velocity
3 30 (2.74%) Middleware
4 27 (2.46%) Elastic Stack
5 21 (1.92%) 802.1X
6 20 (1.82%) SAML
7 18 (1.64%) .NET
8 17 (1.55%) JSON
8 17 (1.55%) Node.js
9 16 (1.46%) LAMP
10 15 (1.37%) Kafka
10 15 (1.37%) OAuth
11 14 (1.28%) XMPP
12 11 (1.00%) HTML
13 9 (0.82%) .NET Core
13 9 (0.82%) CSS
13 9 (0.82%) Express
13 9 (0.82%) LDAP
14 8 (0.73%) AngularJS
14 8 (0.73%) Ruby on Rails
Miscellaneous
1 129 (11.77%) Data Centre
2 78 (7.12%) Management Information System
3 56 (5.11%) Public Cloud
4 45 (4.11%) Linux Command Line
5 34 (3.10%) Clustering
6 32 (2.92%) Cyberthreat
7 24 (2.19%) Hybrid Cloud
8 21 (1.92%) Distributed Denial-of-Service
8 21 (1.92%) Self-Motivation
9 17 (1.55%) PKI
10 16 (1.46%) Replication
10 16 (1.46%) Security Operations Centre
11 14 (1.28%) Private Cloud
11 14 (1.28%) Social Media
12 12 (1.09%) Virtual Team
13 9 (0.82%) User Experience
14 8 (0.73%) Algorithms
14 8 (0.73%) IPTV
14 8 (0.73%) Video Conferencing
15 7 (0.64%) Cyberattack
Operating Systems
1 448 (40.88%) Windows
2 324 (29.56%) Linux
3 230 (20.99%) Windows Server
4 90 (8.21%) Windows 10
5 63 (5.75%) Windows Server 2012
6 51 (4.65%) Windows Server 2016
7 50 (4.56%) Unix
7 50 (4.56%) Windows Server 2008
8 37 (3.38%) Ubuntu
8 37 (3.38%) Windows 7
8 37 (3.38%) Windows Server 2019
9 36 (3.28%) Mac OS
10 33 (3.01%) CentOS
11 31 (2.83%) Debian
12 21 (1.92%) Mac OS X
13 15 (1.37%) Red Hat Enterprise Linux
14 11 (1.00%) Android
15 9 (0.82%) Apple iOS
15 9 (0.82%) Kali Linux
16 8 (0.73%) VMS
Processes & Methodologies
1 205 (18.70%) Cybersecurity
2 204 (18.61%) DevOps
3 186 (16.97%) Information Security
4 153 (13.96%) Infrastructure Engineering
5 140 (12.77%) ITIL
6 119 (10.86%) Agile Software Development
7 113 (10.31%) SIEM
8 92 (8.39%) Penetration Testing
9 89 (8.12%) Disaster Recovery
9 89 (8.12%) Problem-Solving
10 86 (7.85%) Kalman Filter
11 76 (6.93%) Infrastructure as Code
11 76 (6.93%) Security Operations
12 75 (6.84%) Vulnerability Management
13 67 (6.11%) Migration
14 66 (6.02%) Continuous Integration
15 64 (5.84%) Analytics
16 63 (5.75%) Patch Management
16 63 (5.75%) Presales
17 57 (5.20%) Workflow
Programming Languages
1 196 (17.88%) PowerShell
2 189 (17.24%) Python
3 117 (10.68%) SQL
4 80 (7.30%) Bash Shell
5 53 (4.84%) C
6 48 (4.38%) Perl
7 42 (3.83%) Java
8 32 (2.92%) JavaScript
8 32 (2.92%) PHP
9 30 (2.74%) C++
10 26 (2.37%) Go
10 26 (2.37%) VB
11 22 (2.01%) C#
12 18 (1.64%) Shell Script
13 16 (1.46%) Ruby
14 13 (1.19%) VBA
15 8 (0.73%) Groovy
15 8 (0.73%) Scala
16 7 (0.64%) VB.NET
17 5 (0.46%) VBScript
Qualifications
1 228 (20.80%) Cisco Certification
2 124 (11.31%) CCNP
3 112 (10.22%) CCNA
4 98 (8.94%) CISSP
5 89 (8.12%) Degree
6 68 (6.20%) CISM
7 57 (5.20%) Microsoft Certification
8 44 (4.01%) CISA
9 39 (3.56%) CEH
10 38 (3.47%) MCSE
10 38 (3.47%) Security Cleared
11 35 (3.19%) MCSA
12 34 (3.10%) GIAC
13 31 (2.83%) CCIE
14 28 (2.55%) Computer Science Degree
15 26 (2.37%) CompTIA Security+
16 24 (2.19%) JNCIA
17 22 (2.01%) OSCP
18 21 (1.92%) (ISC)2 CCSP
18 21 (1.92%) CCSP
Quality Assurance & Compliance
1 113 (10.31%) ISO/IEC 27001
2 47 (4.29%) PCI DSS
3 35 (3.19%) SLA
4 33 (3.01%) Cyber Essentials
5 32 (2.92%) GDPR
6 29 (2.65%) NIST
7 24 (2.19%) COBIT
8 17 (1.55%) GRC
9 13 (1.19%) Cyber Essentials PLUS
10 6 (0.55%) Sarbanes-Oxley
11 5 (0.46%) GLBA
11 5 (0.46%) QA
12 4 (0.36%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
13 3 (0.27%) NCSC
14 2 (0.18%) HIPAA
14 2 (0.18%) HMG Security Policy Framework
14 2 (0.18%) ISO 31000
14 2 (0.18%) ISO/IEC 20000
14 2 (0.18%) ISO/IEC 27005
14 2 (0.18%) NIST 800
System Software
1 309 (28.19%) Active Directory
2 162 (14.78%) VMware Infrastructure
3 121 (11.04%) Docker
3 121 (11.04%) Hyper-V
4 49 (4.47%) vSphere
5 25 (2.28%) Virtual Machines
6 24 (2.19%) KVM
7 23 (2.10%) VMware ESXi
8 22 (2.01%) VMware NSX
9 21 (1.92%) iptables
10 18 (1.64%) QEMU
11 17 (1.55%) Kamailio
12 15 (1.37%) XenDesktop
13 14 (1.28%) XenApp
14 13 (1.19%) Postfix
15 11 (1.00%) Terminal Services
15 11 (1.00%) Virtual Desktop
15 11 (1.00%) VMware Workstation
16 10 (0.91%) vCloud
17 8 (0.73%) Squid
Systems Management
1 135 (12.32%) Terraform
2 119 (10.86%) Kubernetes
3 100 (9.12%) Ansible
4 76 (6.93%) Puppet
5 59 (5.38%) Microsoft Intune
6 49 (4.47%) SCCM
7 38 (3.47%) Opscode Chef
8 29 (2.65%) ZABBIX
9 24 (2.19%) Prometheus
10 23 (2.10%) FortiGate
11 22 (2.01%) Nessus
12 19 (1.73%) Galera Cluster
12 19 (1.73%) HAProxy
13 16 (1.46%) Grafana
14 15 (1.37%) SCOM
15 14 (1.28%) Backup Exec
16 13 (1.19%) Active Directory Federation Services
17 12 (1.09%) Failover Clustering
18 11 (1.00%) Nagios
18 11 (1.00%) QRadar
Vendors
1 378 (34.49%) Microsoft
2 345 (31.48%) Cisco
3 242 (22.08%) VMware
4 178 (16.24%) Palo Alto
5 113 (10.31%) Juniper
6 99 (9.03%) CheckPoint
7 79 (7.21%) Citrix
7 79 (7.21%) SonicWALL
8 68 (6.20%) Fortinet
8 68 (6.20%) Splunk
9 66 (6.02%) HP
10 64 (5.84%) Google
11 53 (4.84%) F5
12 52 (4.74%) Meraki
13 42 (3.83%) Dell
14 40 (3.65%) Aruba
15 39 (3.56%) Apple
16 37 (3.38%) ServiceNow
16 37 (3.38%) SolarWinds
17 36 (3.28%) Veeam