Period
to 19 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for DMZ skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited DMZ over the 6 months to 19 November 2017 with a comparison to the same period in the previous 2 years.

Demilitarized Zone (DMZ)
Central London > City of London
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 286 343 411
Rank change year-on-year +57 +68 +35
Permanent jobs citing DMZ 36 7 18
As % of all permanent IT jobs advertised in the City of London 0.36% 0.060% 0.10%
As % of the Communications & Networking category 2.42% 0.39% 0.73%
Number of salaries quoted 36 5 17
City of London median annual salary £62,500 £65,000 £72,500
Median salary % change year-on-year -3.85% -10.34% +31.82%
10th Percentile £45,000 £58,000 £41,250
90th Percentile £73,750 £68,250 £74,250
Central London median annual salary £62,500 £55,000 £72,500
% change year-on-year +13.64% -24.14% +34.88%

DMZ 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 1486 1777 2467
As % of all permanent IT jobs advertised in the City of London 14.67% 15.28% 14.35%
Number of salaries quoted 1327 1559 2118
City of London median annual salary £53,250 £55,000 £52,500
Median salary % change year-on-year -3.18% +4.76% +5.00%
10th Percentile £31,250 £31,000 £27,500
90th Percentile £80,000 £78,750 £78,750
Central London median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% +2.04%

DMZ
Job Vacancy Trend in the City of London

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

Job vacancy trend for DMZ in the City of London

DMZ
Salary Trend in the City of London

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

Salary trend for DMZ in the City of London

DMZ
Salary Histogram in the City of London

The salary distribution of IT jobs citing DMZ in the City of London over the 6 months to 19 November 2017.

Salary histogram for DMZ in the City of London

For the 6 months to 19 November 2017, IT jobs citing DMZ 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 DMZ.

1 36 (100.00%) Firewall
2 30 (83.33%) WAN
3 28 (77.78%) DHCP
3 28 (77.78%) DNS
4 26 (72.22%) Microsoft
4 26 (72.22%) Active Directory
5 24 (66.67%) Microsoft Azure
5 24 (66.67%) Azure Active Directory
6 22 (61.11%) IaaS
6 22 (61.11%) PaaS
6 22 (61.11%) VPN
7 20 (55.56%) IBM
7 20 (55.56%) Java
7 20 (55.56%) .NET
7 20 (55.56%) SQL Server
7 20 (55.56%) Agile Software Development
7 20 (55.56%) TDD
7 20 (55.56%) Confluence
7 20 (55.56%) BDD
7 20 (55.56%) Puppet
7 20 (55.56%) Git (software)
7 20 (55.56%) JIRA
7 20 (55.56%) Atlassian Bamboo
7 20 (55.56%) Continuous Integration
7 20 (55.56%) Docker
7 20 (55.56%) Octopus Deploy
7 20 (55.56%) DevOps
7 20 (55.56%) High Availability
7 20 (55.56%) Splunk
7 20 (55.56%) Continuous Delivery

DMZ
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 20 (55.56%) Confluence
2 6 (16.67%) MS Exchange
3 5 (13.89%) Exchange Server 2013
4 2 (5.56%) Exchange Server 2010
Cloud Services
1 24 (66.67%) Azure Active Directory
1 24 (66.67%) Microsoft Azure
2 22 (61.11%) IaaS
2 22 (61.11%) PaaS
3 8 (22.22%) Office 365
4 2 (5.56%) Cloud Computing
4 2 (5.56%) SaaS
Communications & Networking
1 36 (100.00%) Firewall
2 30 (83.33%) WAN
3 28 (77.78%) DHCP
3 28 (77.78%) DNS
4 22 (61.11%) VPN
5 10 (27.78%) LAN
6 8 (22.22%) Network Security
7 7 (19.44%) Multicast
8 6 (16.67%) TCP/IP
9 5 (13.89%) SAN
10 4 (11.11%) NAS
11 3 (8.33%) IPsec
12 2 (5.56%) Cisco ASA
12 2 (5.56%) FTP
12 2 (5.56%) IPv4
12 2 (5.56%) Remote Desktop
12 2 (5.56%) SNMP
12 2 (5.56%) SSL
12 2 (5.56%) VLAN
13 1 (2.78%) Spanning Tree
Database & Business Intelligence
1 20 (55.56%) SQL Server
Development Applications
1 20 (55.56%) Atlassian Bamboo
1 20 (55.56%) Git (software)
1 20 (55.56%) JIRA
1 20 (55.56%) Octopus Deploy
General
1 4 (11.11%) Law
2 2 (5.56%) Banking
3 1 (2.78%) Finance
Job Titles
1 24 (66.67%) Infrastructure Engineer
2 20 (55.56%) Azure DevOps
2 20 (55.56%) Azure DevOps Engineer
2 20 (55.56%) Azure Engineer
2 20 (55.56%) Cloud Engineer
2 20 (55.56%) Cloud Infrastructure Engineer
2 20 (55.56%) DevOps Engineer
3 17 (47.22%) Cloud Specialist
3 17 (47.22%) DevOps Specialist
3 17 (47.22%) Infrastructure Specialist
4 6 (16.67%) Network Engineer
5 5 (13.89%) Network Security Engineer
5 5 (13.89%) Security Engineer
6 3 (8.33%) Architect
7 2 (5.56%) Analyst
7 2 (5.56%) Network Analyst
7 2 (5.56%) Network Security Analyst
7 2 (5.56%) Security Analyst
7 2 (5.56%) Security Architect
8 1 (2.78%) Windows Administrator
Libraries, Frameworks & Software Standards
1 20 (55.56%) .NET
Miscellaneous
1 7 (19.44%) Cyberthreat
2 4 (11.11%) Data Centre
3 2 (5.56%) Client/Server
3 2 (5.56%) Management Information System
3 2 (5.56%) Public Cloud
3 2 (5.56%) Replication
3 2 (5.56%) Security Operations Centre
Operating Systems
1 6 (16.67%) Windows
2 4 (11.11%) Windows 10
2 4 (11.11%) Windows Server
2 4 (11.11%) Windows Server 2008
3 2 (5.56%) Windows Server 2003
Processes & Methodologies
1 20 (55.56%) Agile Software Development
1 20 (55.56%) BDD
1 20 (55.56%) Continuous Delivery
1 20 (55.56%) Continuous Integration
1 20 (55.56%) DevOps
1 20 (55.56%) High Availability
1 20 (55.56%) TDD
2 11 (30.56%) Kalman Filter
3 9 (25.00%) SIEM
4 7 (19.44%) Incident Management
4 7 (19.44%) Threat Management
5 5 (13.89%) Data Loss Prevention
6 4 (11.11%) ITIL
6 4 (11.11%) ITSM
6 4 (11.11%) Security Management
6 4 (11.11%) Service Delivery
7 3 (8.33%) Information Security
7 3 (8.33%) Network Design
7 3 (8.33%) Patch Management
7 3 (8.33%) Risk Assessment
Programming Languages
1 20 (55.56%) Java
2 4 (11.11%) PowerShell
2 4 (11.11%) VBScript
Qualifications
1 6 (16.67%) Cisco Certification
2 5 (13.89%) CCNA
3 4 (11.11%) CISSP
3 4 (11.11%) SSCP
4 2 (5.56%) CCNP
5 1 (2.78%) CCIP
5 1 (2.78%) CCSA
5 1 (2.78%) JNCIP
5 1 (2.78%) MCITP
5 1 (2.78%) MCSE
5 1 (2.78%) Microsoft Certification
5 1 (2.78%) VMware Certified Professional (VCP)
System Software
1 26 (72.22%) Active Directory
2 20 (55.56%) Docker
3 2 (5.56%) Terminal Services
3 2 (5.56%) VMware Infrastructure
4 1 (2.78%) vSphere
Systems Management
1 20 (55.56%) Puppet
2 2 (5.56%) WSUS
Vendors
1 26 (72.22%) Microsoft
2 20 (55.56%) IBM
2 20 (55.56%) Splunk
3 5 (13.89%) F5
4 3 (8.33%) CheckPoint
5 2 (5.56%) Cisco
5 2 (5.56%) Palo Alto
5 2 (5.56%) Veeam
5 2 (5.56%) VMware
6 1 (2.78%) Arista
6 1 (2.78%) Barracuda Networks
6 1 (2.78%) Dell
6 1 (2.78%) EqualLogic
6 1 (2.78%) Juniper