Period
to 10 December 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 10 December 2017 with a comparison to the same period in the previous 2 years.

Firewall
Central London > City of London
6 months to
10 Dec 2017
Same period 2016 Same period 2015
Rank 74 62 78
Rank change year-on-year -12 +16 -17
Permanent jobs citing Firewall 403 510 629
As % of all permanent IT jobs advertised in the City of London 3.91% 4.50% 3.88%
As % of the Communications & Networking category 27.10% 29.04% 26.90%
Number of salaries quoted 379 433 573
City of London median annual salary £57,500 £55,000 £50,000
Median salary % change year-on-year +4.55% +10.00% -
10th Percentile £34,700 £31,250 £29,750
90th Percentile £80,000 £78,750 £77,500
Central London median annual salary £55,000 £55,000 £50,000
% change year-on-year - +10.00% -

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 the City of London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
City of London
Permanent vacancies with a requirement for communications or computer networking skills 1487 1756 2338
As % of all permanent IT jobs advertised in the City of London 14.44% 15.49% 14.42%
Number of salaries quoted 1339 1546 2008
City of London median annual salary £55,000 £55,000 £52,500
Median salary % change year-on-year - +4.76% +8.25%
10th Percentile £31,250 £30,750 £27,500
90th Percentile £81,250 £79,375 £80,000
Central London median annual salary £52,500 £54,750 £50,000
% change year-on-year -4.11% +9.50% +3.09%

Firewall
Job Vacancy Trend in the City of London

Job postings citing Firewall as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Firewall in the City of London

Firewall
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Firewall in the City of London.

Salary trend for Firewall in the City of London

Firewall
Salary Histogram in the City of London

The salary distribution of IT jobs citing Firewall in the City of London over the 6 months to 10 December 2017.

Salary histogram for Firewall in the City of London

For the 6 months to 10 December 2017, IT jobs citing Firewall also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for Firewall.

1 180 (44.67%) Windows
2 156 (38.71%) Finance
3 140 (34.74%) Cisco
4 136 (33.75%) Microsoft
5 124 (30.77%) Active Directory
6 123 (30.52%) Linux
7 111 (27.54%) WAN
8 107 (26.55%) VMware
9 99 (24.57%) Windows Server
10 89 (22.08%) LAN
11 87 (21.59%) DNS
12 84 (20.84%) VPN
13 77 (19.11%) Information Security
14 76 (18.86%) Microsoft Azure
15 72 (17.87%) SIEM
16 70 (17.37%) Cisco Certification
17 69 (17.12%) VMware Infrastructure
18 68 (16.87%) SQL Server
19 66 (16.38%) DHCP
20 64 (15.88%) MS Exchange
21 63 (15.63%) TCP/IP
21 63 (15.63%) Office 365
22 56 (13.90%) Agile Software Development
23 55 (13.65%) CheckPoint
24 54 (13.40%) Cisco ASA
24 54 (13.40%) Network Security
25 53 (13.15%) CISSP
26 52 (12.90%) Java
27 51 (12.66%) Palo Alto
28 49 (12.16%) ITIL

Firewall
Co-occurring IT Skills in the City of 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 64 (15.88%) MS Exchange
2 22 (5.46%) Confluence
2 22 (5.46%) Exchange Server 2010
3 9 (2.23%) Exchange Server 2013
4 7 (1.74%) Apache
4 7 (1.74%) Exchange Server 2003
4 7 (1.74%) SharePoint
5 6 (1.49%) nginx
6 5 (1.24%) Skype for Business
7 4 (0.99%) OpenStack
7 4 (0.99%) Tomcat
8 3 (0.74%) Alfresco
8 3 (0.74%) CloudStack
8 3 (0.74%) JBoss
8 3 (0.74%) WebLogic
8 3 (0.74%) WebSphere
8 3 (0.74%) WebSphere Application Server
9 2 (0.50%) Exchange Server 2007
10 1 (0.25%) Blackberry Enterprise Server
10 1 (0.25%) SAS
Applications
1 26 (6.45%) Microsoft Office
2 21 (5.21%) Microsoft Excel
3 20 (4.96%) MS Visio
4 17 (4.22%) Spreadsheet
5 3 (0.74%) HipChat
5 3 (0.74%) Microsoft PowerPoint
Business Applications
1 1 (0.25%) SAP Business One
Cloud Services
1 76 (18.86%) Microsoft Azure
2 63 (15.63%) Office 365
3 45 (11.17%) Amazon AWS
4 28 (6.95%) Azure Active Directory
5 26 (6.45%) IaaS
6 25 (6.20%) PaaS
7 12 (2.98%) SaaS
8 5 (1.24%) G Suite
8 5 (1.24%) Google Cloud Platform
8 5 (1.24%) Mimecast
9 3 (0.74%) Rackspace Cloud
10 2 (0.50%) Amazon S3
10 2 (0.50%) Cloud Computing
10 2 (0.50%) Dropbox
11 1 (0.25%) Akamai
11 1 (0.25%) Amazon EC2
11 1 (0.25%) Amazon SQS
11 1 (0.25%) CloudFront
11 1 (0.25%) GitHub
11 1 (0.25%) Route 53
Communications & Networking
1 111 (27.54%) WAN
2 89 (22.08%) LAN
3 87 (21.59%) DNS
4 84 (20.84%) VPN
5 66 (16.38%) DHCP
6 63 (15.63%) TCP/IP
7 54 (13.40%) Cisco ASA
7 54 (13.40%) Network Security
8 48 (11.91%) Wireless
9 45 (11.17%) SAN
10 36 (8.93%) Internet
11 35 (8.68%) DMZ
12 33 (8.19%) BGP
13 31 (7.69%) OSPF
14 29 (7.20%) MPLS
15 28 (6.95%) Intrusion Detection
15 28 (6.95%) VLAN
16 26 (6.45%) Cisco Nexus
16 26 (6.45%) IPsec
16 26 (6.45%) Multicast
Database & Business Intelligence
1 68 (16.87%) SQL Server
2 44 (10.92%) MySQL
3 17 (4.22%) MS Access
4 5 (1.24%) MongoDB
4 5 (1.24%) NoSQL
5 4 (0.99%) Redis
6 3 (0.74%) Big Data
6 3 (0.74%) InterSystems Cache
7 2 (0.50%) Amazon RDS
8 1 (0.25%) Data Warehouse
8 1 (0.25%) PostgreSQL
8 1 (0.25%) Relational Database
8 1 (0.25%) SQL Server 2008
8 1 (0.25%) SQL Server 2012
Development Applications
1 42 (10.42%) JIRA
2 24 (5.96%) Git (software)
3 20 (4.96%) Atlassian Bamboo
3 20 (4.96%) Octopus Deploy
4 12 (2.98%) Jenkins
5 7 (1.74%) Metasploit
6 4 (0.99%) Burp Suite
6 4 (0.99%) TeamCity
7 3 (0.74%) Subversion
8 2 (0.50%) Visual Studio
9 1 (0.25%) CircleCI
General
1 156 (38.71%) Finance
2 27 (6.70%) Telecoms
3 21 (5.21%) Banking
4 18 (4.47%) Financial Institution
5 17 (4.22%) Law
6 5 (1.24%) Advertising
6 5 (1.24%) Back Office
6 5 (1.24%) Legal
7 4 (0.99%) Publishing
8 2 (0.50%) Investment Banking
8 2 (0.50%) Marketing
8 2 (0.50%) Retail
9 1 (0.25%) Electronics
9 1 (0.25%) General Ledger
9 1 (0.25%) Manufacturing
Job Titles
1 96 (23.82%) Analyst
2 77 (19.11%) Infrastructure Engineer
3 68 (16.87%) Network Engineer
4 48 (11.91%) Security Analyst
5 33 (8.19%) Azure Engineer
6 28 (6.95%) DevOps Engineer
7 25 (6.20%) Support Engineer
8 24 (5.96%) Cloud Engineer
9 21 (5.21%) Administrator
9 21 (5.21%) Cloud Infrastructure Engineer
9 21 (5.21%) Information Analyst
9 21 (5.21%) Information Security Analyst
9 21 (5.21%) Security Engineer
10 20 (4.96%) IT Engineer
11 17 (4.22%) Azure DevOps
11 17 (4.22%) Azure DevOps Engineer
11 17 (4.22%) Cloud Specialist
11 17 (4.22%) DevOps Specialist
11 17 (4.22%) Infrastructure Specialist
11 17 (4.22%) Technical Analyst
Libraries, Frameworks & Software Standards
1 31 (7.69%) .NET
2 12 (2.98%) FIX Protocol
3 9 (2.23%) 802.1X
4 8 (1.99%) XMPP
5 7 (1.74%) LAMP
6 5 (1.24%) Web Services
7 4 (0.99%) LEMP Stack
8 3 (0.74%) Elastic Stack
9 2 (0.50%) JSON
9 2 (0.50%) Node.js
9 2 (0.50%) Regular Expression
10 1 (0.25%) Dropwizard
10 1 (0.25%) Memcached
10 1 (0.25%) Middleware
10 1 (0.25%) OpenFin
10 1 (0.25%) RESTful
10 1 (0.25%) Spring
Miscellaneous
1 30 (7.44%) Data Centre
2 26 (6.45%) Computer Science
3 20 (4.96%) Management Information System
4 19 (4.71%) Client/Server
5 15 (3.72%) Public Cloud
6 14 (3.47%) Analytical Skills
6 14 (3.47%) Cyberthreat
7 13 (3.23%) Replication
8 11 (2.73%) Security Operations Centre
8 11 (2.73%) Smartphone
8 11 (2.73%) Video Conferencing
9 9 (2.23%) Data Protection Act
9 9 (2.23%) STB
10 7 (1.74%) Linux Command Line
11 6 (1.49%) Blog
11 6 (1.49%) PKI
11 6 (1.49%) VxBlock/Vblock
12 5 (1.24%) Enterprise Software
13 4 (0.99%) DataPower
13 4 (0.99%) Fixed Income
Operating Systems
1 180 (44.67%) Windows
2 123 (30.52%) Linux
3 99 (24.57%) Windows Server
4 46 (11.41%) Windows Server 2008
5 42 (10.42%) Unix
6 37 (9.18%) Windows 10
6 37 (9.18%) Windows 7
7 36 (8.93%) Windows Server 2012
8 20 (4.96%) Red Hat Enterprise Linux
9 19 (4.71%) CentOS
10 18 (4.47%) Windows 8
11 17 (4.22%) Windows Server 2003
12 7 (1.74%) Mac OS X
12 7 (1.74%) Ubuntu
13 4 (0.99%) Debian
13 4 (0.99%) Kali Linux
14 3 (0.74%) Windows 2000 Server
14 3 (0.74%) Windows XP
15 2 (0.50%) Windows Vista
16 1 (0.25%) Windows 2000
Processes & Methodologies
1 77 (19.11%) Information Security
2 72 (17.87%) SIEM
3 56 (13.90%) Agile Software Development
4 49 (12.16%) ITIL
5 48 (11.91%) DevOps
6 47 (11.66%) Cybersecurity
7 35 (8.68%) Load Balancing
8 32 (7.94%) Data Protection
8 32 (7.94%) Security Operations
9 31 (7.69%) Vulnerability Management
10 30 (7.44%) Security Management
11 29 (7.20%) Continuous Integration
11 29 (7.20%) Network Design
12 27 (6.70%) Network Monitoring
13 25 (6.20%) Incident Management
13 25 (6.20%) Vulnerability Assessment
14 24 (5.96%) High Availability
14 24 (5.96%) Risk Assessment
15 23 (5.71%) Kalman Filter
15 23 (5.71%) Patch Management
Programming Languages
1 52 (12.90%) Java
2 32 (7.94%) Python
3 31 (7.69%) SQL
4 28 (6.95%) Bash Shell
5 23 (5.71%) PowerShell
6 19 (4.71%) Perl
7 16 (3.97%) Ruby
8 13 (3.23%) PHP
9 11 (2.73%) T-SQL
10 10 (2.48%) Shell Script
11 7 (1.74%) C++
12 6 (1.49%) C
12 6 (1.49%) VBScript
13 5 (1.24%) C#
14 3 (0.74%) Go
15 2 (0.50%) C-shell
15 2 (0.50%) Korn
15 2 (0.50%) VB
Qualifications
1 70 (17.37%) Cisco Certification
2 53 (13.15%) CISSP
3 46 (11.41%) CCNP
4 44 (10.92%) Degree
5 39 (9.68%) CCNA
6 34 (8.44%) CISM
7 25 (6.20%) CISA
8 23 (5.71%) CCIE
9 21 (5.21%) Microsoft Certification
9 21 (5.21%) VMware Certified Professional (VCP)
10 19 (4.71%) MCSE
11 17 (4.22%) GIAC
12 13 (3.23%) SANS
13 12 (2.98%) Computer Science Degree
14 11 (2.73%) CCSA
14 11 (2.73%) MCSA
15 10 (2.48%) GCIA
15 10 (2.48%) GCIH
16 9 (2.23%) CEH
16 9 (2.23%) RHCE
Quality Assurance & Compliance
1 28 (6.95%) ISO/IEC 27001
2 8 (1.99%) PCI DSS
3 7 (1.74%) GDPR
4 6 (1.49%) SLA
5 5 (1.24%) NIST 800
5 5 (1.24%) QA
6 3 (0.74%) COBIT
7 2 (0.50%) COSO
8 1 (0.25%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 124 (30.77%) Active Directory
2 69 (17.12%) VMware Infrastructure
3 34 (8.44%) Hyper-V
4 32 (7.94%) Docker
5 15 (3.72%) VMware ESXi
5 15 (3.72%) vSphere
6 13 (3.23%) XenApp
7 12 (2.98%) Virtual Machines
8 11 (2.73%) VMware Workstation
9 8 (1.99%) Terminal Services
10 7 (1.74%) XenDesktop
11 5 (1.24%) VMware NSX
12 4 (0.99%) Varnish
13 3 (0.74%) BitLocker
13 3 (0.74%) iptables
13 3 (0.74%) KVM
13 3 (0.74%) pfSense
13 3 (0.74%) Terminal Server
13 3 (0.74%) Xen
13 3 (0.74%) XenServer
Systems Management
1 42 (10.42%) Puppet
2 18 (4.47%) SCCM
3 14 (3.47%) Nessus
4 13 (3.23%) Ansible
5 11 (2.73%) SolarWinds Orion
6 10 (2.48%) CSIRT
7 8 (1.99%) Backup Exec
7 8 (1.99%) Cisco CUCM
7 8 (1.99%) FortiGate
7 8 (1.99%) Opscode Chef
7 8 (1.99%) QRadar
7 8 (1.99%) WSUS
8 7 (1.74%) SCOM
9 5 (1.24%) Cacti
9 5 (1.24%) McAfee ePO
10 4 (0.99%) Host Intrusion Detection System
10 4 (0.99%) Nagios
10 4 (0.99%) Nmap
10 4 (0.99%) Terraform
11 3 (0.74%) Salt
Vendors
1 140 (34.74%) Cisco
2 136 (33.75%) Microsoft
3 107 (26.55%) VMware
4 55 (13.65%) CheckPoint
5 51 (12.66%) Palo Alto
6 45 (11.17%) Citrix
7 41 (10.17%) Juniper
8 33 (8.19%) Splunk
9 32 (7.94%) F5
10 30 (7.44%) SolarWinds
11 24 (5.96%) IBM
12 22 (5.46%) HP
13 17 (4.22%) Red Hat
14 15 (3.72%) Avaya
14 15 (3.72%) Dell
15 13 (3.23%) Symantec
15 13 (3.23%) Veeam
16 12 (2.98%) McAfee
16 12 (2.98%) Meraki
17 11 (2.73%) Oracle