Period
to 7 March 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 7 March 2021 with a comparison to the same period in the previous 2 years.

Firewall
England > London
6 months to
7 Mar 2021
Same period 2020 Same period 2019
Rank 87 70 67
Rank change year-on-year -17 -3 +10
Permanent jobs citing Firewall 987 2,075 2,498
As % of all permanent jobs advertised in London 3.50% 4.16% 4.06%
As % of the Communications & Networking category 34.34% 31.56% 31.13%
Number of salaries quoted 907 1,720 2,235
Median annual salary £62,500 £60,000 £55,000
Median salary % change year-on-year +4.17% +9.09% -
10th Percentile £41,250 £33,750 £31,250
90th Percentile £93,000 £85,000 £80,000
England median annual salary £50,000 £48,680 £47,500
% change year-on-year +2.71% +2.48% -

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 2,874 6,575 8,025
As % of all permanent IT jobs advertised in London 10.18% 13.17% 13.04%
Number of salaries quoted 2,293 5,450 6,619
Median annual salary £62,500 £55,000 £55,000
Median salary % change year-on-year +13.64% - -
10th Percentile £36,350 £30,000 £29,750
90th Percentile £91,250 £86,250 £86,250
England median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - +5.56%

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 7 March 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 7 March 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 -30 183 £60,000 - 44
West London +16 44 £50,000 -4.76% 18
South London -14 17 £48,750 -15.22% 6
East London -4 13 £47,500 -13.64% 14
North London +24 4 £51,000 +7.37% 2
Firewall
England

For the 6 months to 7 March 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.

1 332 (33.64%) Cisco
2 320 (32.42%) Windows
3 300 (30.40%) Azure
4 288 (29.18%) AWS
5 268 (27.15%) Microsoft
6 261 (26.44%) VMware
7 248 (25.13%) Linux
8 236 (23.91%) Cisco Certification
9 219 (22.19%) Active Directory
10 211 (21.38%) Microsoft 365
11 207 (20.97%) VPN
12 206 (20.87%) Finance
13 191 (19.35%) WAN
14 176 (17.83%) DevOps
15 175 (17.73%) Network Security
15 175 (17.73%) Python
16 172 (17.43%) Windows Server
17 171 (17.33%) DNS
18 161 (16.31%) LAN
19 159 (16.11%) Cybersecurity
20 148 (14.99%) VMware Infrastructure
20 148 (14.99%) Information Security
21 138 (13.98%) TCP/IP
22 136 (13.78%) Infrastructure Engineering
23 134 (13.58%) CISSP
24 133 (13.48%) SIEM
25 127 (12.87%) Ansible
25 127 (12.87%) Data Centre
26 125 (12.66%) DHCP
27 114 (11.55%) BGP

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 59 (5.98%) MS Exchange
2 52 (5.27%) SharePoint
3 32 (3.24%) Apache
4 31 (3.14%) IIS
5 25 (2.53%) Apache Airflow
5 25 (2.53%) Elasticsearch
6 24 (2.43%) Apache Spark
7 22 (2.23%) Skype for Business
8 12 (1.22%) Exchange Server 2013
9 11 (1.11%) Confluence
9 11 (1.11%) nginx
9 11 (1.11%) Tomcat
10 8 (0.81%) Exchange Server 2003
11 7 (0.71%) ejabberd
11 7 (0.71%) Exchange Server 2010
12 5 (0.51%) Drupal
12 5 (0.51%) Facebook Platform
12 5 (0.51%) OpenStack
13 3 (0.30%) Cloud Foundry
13 3 (0.30%) CloudStack
Applications
1 45 (4.56%) Microsoft Office
2 25 (2.53%) MS Visio
3 19 (1.93%) Microsoft Excel
4 6 (0.61%) Microsoft PowerPoint
5 2 (0.20%) AutoCAD
5 2 (0.20%) Gephi
5 2 (0.20%) SketchUp
5 2 (0.20%) SPSS
5 2 (0.20%) SPSS Modeler
6 1 (0.10%) Weka
Business Applications
1 8 (0.81%) Sentinel
2 3 (0.30%) Endur
3 2 (0.20%) Relativity
4 1 (0.10%) Dynamics GP
4 1 (0.10%) NetSuite
4 1 (0.10%) SAP Oil and Gas
Cloud Services
1 300 (30.40%) Azure
2 288 (29.18%) AWS
3 211 (21.38%) Microsoft 365
4 79 (8.00%) GCP
5 68 (6.89%) IaaS
6 52 (5.27%) Azure Active Directory
7 49 (4.96%) PaaS
8 45 (4.56%) SaaS
9 41 (4.15%) Virtual Private Cloud
10 20 (2.03%) AWS CloudFormation
10 20 (2.03%) Azure ExpressRoute
11 18 (1.82%) Mimecast
12 17 (1.72%) Cloud Computing
12 17 (1.72%) Serverless
13 15 (1.52%) Amazon GuardDuty
13 15 (1.52%) Route 53
14 11 (1.11%) OpenShift
14 11 (1.11%) Power Platform
14 11 (1.11%) Slack
15 10 (1.01%) Amazon CloudWatch
Communications & Networking
1 207 (20.97%) VPN
2 191 (19.35%) WAN
3 175 (17.73%) Network Security
4 171 (17.33%) DNS
5 161 (16.31%) LAN
6 138 (13.98%) TCP/IP
7 125 (12.66%) DHCP
8 114 (11.55%) BGP
9 103 (10.44%) Intrusion Detection
10 92 (9.32%) OSPF
11 84 (8.51%) SAN
11 84 (8.51%) VoIP
12 80 (8.11%) Wireless
13 74 (7.50%) Cisco ASA
14 72 (7.29%) Wi-Fi
15 70 (7.09%) MPLS
16 65 (6.59%) VLAN
17 46 (4.66%) Cisco Nexus
18 43 (4.36%) Multicast
18 43 (4.36%) SSL
Database & Business Intelligence
1 44 (4.46%) SQL Server
2 37 (3.75%) Big Data
3 23 (2.33%) Azure SQL Database
4 20 (2.03%) MySQL
5 19 (1.93%) Apache Cassandra
6 15 (1.52%) PostgreSQL
7 13 (1.32%) Hadoop
8 12 (1.22%) Cosmos DB
9 11 (1.11%) Power BI
10 10 (1.01%) MongoDB
10 10 (1.01%) NoSQL
11 7 (0.71%) Amazon RDS
11 7 (0.71%) Relational Database
12 6 (0.61%) Redis
13 5 (0.51%) Apache Hive
13 5 (0.51%) Impala
14 4 (0.41%) MariaDB
14 4 (0.41%) RDBMS
15 3 (0.30%) Data Warehouse
15 3 (0.30%) SQL Server 2005
Development Applications
1 50 (5.07%) Jenkins
2 48 (4.86%) Git (software)
3 32 (3.24%) Sonatype Nexus
4 19 (1.93%) JIRA
5 17 (1.72%) Atlassian Bamboo
5 17 (1.72%) Bitbucket
6 16 (1.62%) GitLab
7 9 (0.91%) Maven
8 8 (0.81%) Gradle
9 5 (0.51%) Bitbucket Server
10 4 (0.41%) TeamCity
11 3 (0.30%) Metasploit
12 2 (0.20%) git-flow
12 2 (0.20%) JUnit
12 2 (0.20%) Vagrant
12 2 (0.20%) VSS/SourceSafe
13 1 (0.10%) CircleCI
13 1 (0.10%) Eclipse
13 1 (0.10%) Gerrit
13 1 (0.10%) MSI
General
1 206 (20.87%) Finance
2 59 (5.98%) Banking
3 38 (3.85%) Telecoms
4 32 (3.24%) Legal
5 26 (2.63%) Retail
6 23 (2.33%) Public Sector
7 17 (1.72%) Games
8 13 (1.32%) Law
8 13 (1.32%) Marketing
9 11 (1.11%) Mandarin Language
9 11 (1.11%) Manufacturing
10 9 (0.91%) Financial Institution
11 7 (0.71%) Publishing
12 6 (0.61%) Electronics
13 4 (0.41%) Pharmaceutical
14 3 (0.30%) Advertising
14 3 (0.30%) Aerospace
14 3 (0.30%) Investment Banking
15 2 (0.20%) Billing
15 2 (0.20%) Front Office
Job Titles
1 188 (19.05%) Network Engineer
2 116 (11.75%) Infrastructure Engineer
3 92 (9.32%) Analyst
4 89 (9.02%) Architect
5 87 (8.81%) Security Engineer
6 65 (6.59%) Senior Network Engineer
7 61 (6.18%) Security Analyst
8 52 (5.27%) Consultant
9 51 (5.17%) Support Engineer
10 49 (4.96%) IT Engineer
11 44 (4.46%) Cloud Engineer
12 43 (4.36%) Infrastructure Architect
13 42 (4.26%) DevOps Engineer
14 40 (4.05%) Administrator
15 37 (3.75%) Security Specialist
16 35 (3.55%) 3rd Line Engineer
17 34 (3.44%) Systems Administrator
18 32 (3.24%) Cisco Engineer
19 28 (2.84%) Azure Engineer
20 27 (2.74%) Cisco Network Engineer
Libraries, Frameworks & Software Standards
1 35 (3.55%) Web Services
2 29 (2.94%) JSON
3 25 (2.53%) Velocity
4 23 (2.33%) Kafka
5 22 (2.23%) Elastic Stack
6 18 (1.82%) React
7 17 (1.72%) OAuth
8 16 (1.62%) Middleware
8 16 (1.62%) SAML
9 15 (1.52%) XML
10 13 (1.32%) RESTful
11 12 (1.22%) Apache NiFi
12 11 (1.11%) XMPP
13 10 (1.01%) 802.1X
14 9 (0.91%) LAMP
14 9 (0.91%) LDAP
14 9 (0.91%) YAML
15 8 (0.81%) Node.js
15 8 (0.81%) REST
15 8 (0.81%) WebRTC
Miscellaneous
1 127 (12.87%) Data Centre
2 75 (7.60%) Management Information System
3 53 (5.37%) Analytical Skills
4 41 (4.15%) Public Cloud
5 35 (3.55%) Cyberthreat
6 34 (3.44%) Linux Command Line
7 29 (2.94%) PKI
8 26 (2.63%) Distributed Denial-of-Service
8 26 (2.63%) Self-Motivation
9 25 (2.53%) Clustering
10 19 (1.93%) Replication
11 16 (1.62%) Mobile App
12 14 (1.42%) Data Protection Act
13 13 (1.32%) Hedge funds
13 13 (1.32%) Security Operations Centre
14 11 (1.11%) Cyber Kill Chain
14 11 (1.11%) Social Media
15 10 (1.01%) Hybrid Cloud
16 9 (0.91%) Algorithms
16 9 (0.91%) Private Cloud
Operating Systems
1 320 (32.42%) Windows
2 248 (25.13%) Linux
3 172 (17.43%) Windows Server
4 57 (5.78%) Windows 10
5 47 (4.76%) Windows Server 2008
6 45 (4.56%) Unix
7 40 (4.05%) Windows Server 2012
8 38 (3.85%) Windows 7
9 37 (3.75%) Ubuntu
10 34 (3.44%) Mac OS
11 33 (3.34%) Windows Server 2016
12 28 (2.84%) Mac OS X
13 21 (2.13%) Windows Server 2019
14 17 (1.72%) CentOS
14 17 (1.72%) Debian
15 10 (1.01%) Red Hat Enterprise Linux
16 8 (0.81%) Oracle Linux
16 8 (0.81%) Windows 8
17 7 (0.71%) Android
17 7 (0.71%) Apple iOS
Processes & Methodologies
1 176 (17.83%) DevOps
2 159 (16.11%) Cybersecurity
3 148 (14.99%) Information Security
4 136 (13.78%) Infrastructure Engineering
5 133 (13.48%) SIEM
6 100 (10.13%) ITIL
7 99 (10.03%) Problem-Solving
8 97 (9.83%) Kalman Filter
9 82 (8.31%) Migration
10 74 (7.50%) Penetration Testing
11 72 (7.29%) Agile Software Development
12 65 (6.59%) Security Operations
13 63 (6.38%) Configuration Management
14 61 (6.18%) Patch Management
15 60 (6.08%) Load Balancing
16 58 (5.88%) OWASP
17 56 (5.67%) Analytics
18 55 (5.57%) Infrastructure as Code
18 55 (5.57%) Security Monitoring
19 54 (5.47%) Disaster Recovery
Programming Languages
1 175 (17.73%) Python
2 108 (10.94%) PowerShell
3 103 (10.44%) SQL
4 45 (4.56%) Bash Shell
5 30 (3.04%) Java
6 24 (2.43%) C
7 20 (2.03%) JavaScript
8 18 (1.82%) Perl
8 18 (1.82%) PHP
9 16 (1.62%) Shell Script
10 14 (1.42%) C++
11 12 (1.22%) Go
12 11 (1.11%) R
12 11 (1.11%) Scala
13 10 (1.01%) VBScript
14 9 (0.91%) Groovy
14 9 (0.91%) VB
15 7 (0.71%) C#
16 6 (0.61%) Ruby
17 2 (0.20%) ABAP
Qualifications
1 236 (23.91%) Cisco Certification
2 134 (13.58%) CISSP
3 103 (10.44%) CCNA
3 103 (10.44%) CCNP
4 92 (9.32%) CISM
5 87 (8.81%) Degree
6 51 (5.17%) CISA
7 46 (4.66%) Microsoft Certification
8 42 (4.26%) CCIE
9 35 (3.55%) (ISC)2 CCSP
9 35 (3.55%) CCSP
10 31 (3.14%) CEH
11 26 (2.63%) MCSE
11 26 (2.63%) Security Cleared
12 23 (2.33%) SANS
13 22 (2.23%) MCITP
14 21 (2.13%) VMware Certified Professional (VCP)
15 20 (2.03%) JNCIA
15 20 (2.03%) OSCE
16 18 (1.82%) Computer Science Degree
Quality Assurance & Compliance
1 79 (8.00%) ISO/IEC 27001
2 51 (5.17%) GDPR
2 51 (5.17%) NIST
3 34 (3.44%) SLA
4 31 (3.14%) Cyber Essentials
5 29 (2.94%) PCI DSS
6 19 (1.93%) COBIT
7 15 (1.52%) QA
8 12 (1.22%) Cyber Essentials PLUS
9 4 (0.41%) ISO 31000
10 3 (0.30%) ISO/IEC 20000
11 2 (0.20%) NCSC
12 1 (0.10%) GLBA
12 1 (0.10%) HIPAA
12 1 (0.10%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
12 1 (0.10%) NIST 800
12 1 (0.10%) PMO
12 1 (0.10%) Sarbanes-Oxley
System Software
1 219 (22.19%) Active Directory
2 148 (14.99%) VMware Infrastructure
3 103 (10.44%) Docker
4 85 (8.61%) Hyper-V
5 76 (7.70%) vSphere
6 42 (4.26%) VMware NSX
7 29 (2.94%) vCloud
8 23 (2.33%) VMware ESXi
9 11 (1.11%) Virtual Machines
9 11 (1.11%) XenApp
10 10 (1.01%) XenDesktop
11 9 (0.91%) KVM
12 8 (0.81%) Kamailio
12 8 (0.81%) VMware Workstation
13 7 (0.71%) iptables
13 7 (0.71%) Postfix
13 7 (0.71%) QEMU
14 6 (0.61%) Virtual Desktop
14 6 (0.61%) VMware Server
15 5 (0.51%) Firmware
Systems Management
1 127 (12.87%) Ansible
2 113 (11.45%) Terraform
3 94 (9.52%) Kubernetes
4 71 (7.19%) Puppet
5 46 (4.66%) Microsoft Intune
6 41 (4.15%) Opscode Chef
7 39 (3.95%) SCCM
8 34 (3.44%) vCenter Server
9 33 (3.34%) vRealize
10 23 (2.33%) Nessus
11 22 (2.23%) Nagios
12 17 (1.72%) Failover Clustering
13 16 (1.62%) Prometheus
14 14 (1.42%) Backup Exec
14 14 (1.42%) Grafana
14 14 (1.42%) ZABBIX
15 13 (1.32%) FortiGate
16 11 (1.11%) CSIRT
17 10 (1.01%) HAProxy
17 10 (1.01%) SCOM
Vendors
1 332 (33.64%) Cisco
2 268 (27.15%) Microsoft
3 261 (26.44%) VMware
4 107 (10.84%) CheckPoint
5 105 (10.64%) Palo Alto
6 93 (9.42%) Fortinet
7 79 (8.00%) Meraki
8 64 (6.48%) Juniper
9 61 (6.18%) Google
10 57 (5.78%) F5
10 57 (5.78%) HP
11 56 (5.67%) Dell
12 55 (5.57%) Citrix
13 49 (4.96%) SolarWinds
14 48 (4.86%) EMC
15 41 (4.15%) Splunk
16 32 (3.24%) SonicWALL
17 30 (3.04%) Oracle
18 29 (2.94%) Apple
18 29 (2.94%) Red Hat