Period
to 18 September 2019

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire 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 18 September 2019 with a comparison to the same period in the previous 2 years.

Firewall
East of England > Hertfordshire
6 months to
18 Sep 2019
Same period 2018 Same period 2017
Rank 27 37 46
Rank change year-on-year +10 +9 -12
Permanent jobs citing Firewall 223 262 244
As % of all permanent IT jobs advertised in Hertfordshire 8.63% 6.26% 5.93%
As % of the Communications & Networking category 34.20% 32.91% 32.58%
Number of salaries quoted 179 212 202
Hertfordshire median annual salary £37,500 £47,500 £50,000
Median salary % change year-on-year -21.05% -5.00% +11.11%
10th Percentile £25,500 £30,000 £29,000
90th Percentile £62,500 £69,000 £68,750
East of England median annual salary £40,000 £45,000 £42,500
% change year-on-year -11.11% +5.88% -

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 Hertfordshire with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Hertfordshire
Permanent vacancies with a requirement for communications or computer networking skills 652 796 749
As % of all permanent IT jobs advertised in Hertfordshire 25.24% 19.01% 18.20%
Number of salaries quoted 469 588 623
Hertfordshire median annual salary £45,000 £50,000 £45,000
Median salary % change year-on-year -10.00% +11.11% -
10th Percentile £25,000 £26,500 £25,000
90th Percentile £67,500 £71,250 £66,000
East of England median annual salary £45,000 £45,000 £45,000

Firewall
Job Vacancy Trend in Hertfordshire

Job postings citing Firewall as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Firewall in Hertfordshire

Firewall
Salary Trend in Hertfordshire

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

Salary trend for Firewall in Hertfordshire

Firewall
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Firewall in Hertfordshire over the 6 months to 18 September 2019.

Salary histogram for Firewall in Hertfordshire

Firewall
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Firewall within the Hertfordshire region over the 6 months to 18 September 2019. 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
Watford +12 72 £30,000 -33.33% 3
Hemel Hempstead +29 48 £48,000 +20.00% 6
Potters Bar - 18 £32,500 - 1
Borehamwood +30 15 £35,000 -2.78% 2
Welwyn Garden City +23 11 £32,500 -54.86% 2
Hatfield +12 9 £52,500 +5.00% 1
St Albans +2 4 £36,000 +2.86% 2
Hitchin 0 4 £45,000 +12.50%
Kings Langley - 4 - -
Stevenage -14 3 £24,500 -48.42%
Bishop's Stortford +6 2 £33,250 - 2
Letchworth -10 2 £41,500 +45.61%
Hertford - 2 £54,750 -
Royston - 1 - - 1
Cheshunt - 1 £47,500 -
Firewall
East of England

For the 6 months to 18 September 2019, 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 Hertfordshire region with a requirement for Firewall.

1 93 (41.70%) Windows
2 87 (39.01%) Active Directory
3 85 (38.12%) Cisco
4 69 (30.94%) Windows Server
5 68 (30.49%) Office 365
6 66 (29.60%) VMware
7 63 (28.25%) Azure
8 60 (26.91%) VMware Infrastructure
9 58 (26.01%) DNS
10 54 (24.22%) Cisco Certification
11 53 (23.77%) Microsoft
11 53 (23.77%) Linux
12 43 (19.28%) AWS
13 41 (18.39%) WAN
14 40 (17.94%) LAN
15 38 (17.04%) ITIL
16 37 (16.59%) Migration
17 36 (16.14%) TCP/IP
18 35 (15.70%) Network Security
18 35 (15.70%) Problem-Solving
19 34 (15.25%) DHCP
20 32 (14.35%) VPN
20 32 (14.35%) Microsoft Office
21 30 (13.45%) CCNP
21 30 (13.45%) CCNA
21 30 (13.45%) SIEM
22 29 (13.00%) Network Management
22 29 (13.00%) Security Cleared
22 29 (13.00%) Information Security
23 27 (12.11%) Degree

Firewall
Co-occurring IT Skills in Hertfordshire 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 24 (10.76%) MS Exchange
2 17 (7.62%) Exchange Server 2013
3 13 (5.83%) Exchange Server 2010
4 11 (4.93%) SharePoint
5 7 (3.14%) nginx
5 7 (3.14%) OpenStack
6 6 (2.69%) Elasticsearch
7 4 (1.79%) Exchange Server 2007
7 4 (1.79%) Skype for Business
8 3 (1.35%) Apache
9 2 (0.90%) Confluence
10 1 (0.45%) IIS
Applications
1 32 (14.35%) Microsoft Office
2 7 (3.14%) MS Visio
3 6 (2.69%) Microsoft Excel
3 6 (2.69%) Microsoft PowerPoint
Cloud Services
1 68 (30.49%) Office 365
2 63 (28.25%) Azure
3 43 (19.28%) AWS
4 16 (7.17%) GCP
5 7 (3.14%) OneDrive
5 7 (3.14%) Stackdriver
6 4 (1.79%) Cloud Computing
6 4 (1.79%) Mimecast
7 3 (1.35%) Azure Active Directory
7 3 (1.35%) GitHub
8 2 (0.90%) IaaS
8 2 (0.90%) Power Platform
9 1 (0.45%) Akamai
9 1 (0.45%) PaaS
9 1 (0.45%) SaaS
Communications & Networking
1 58 (26.01%) DNS
2 41 (18.39%) WAN
3 40 (17.94%) LAN
4 36 (16.14%) TCP/IP
5 35 (15.70%) Network Security
6 34 (15.25%) DHCP
7 32 (14.35%) VPN
8 23 (10.31%) SSL
9 21 (9.42%) Intrusion Detection
10 17 (7.62%) OSPF
11 15 (6.73%) MPLS
12 14 (6.28%) BGP
13 12 (5.38%) EIGRP
13 12 (5.38%) VLAN
13 12 (5.38%) Wireless
14 11 (4.93%) Internet
15 9 (4.04%) Cisco ASA
15 9 (4.04%) SAN
15 9 (4.04%) Wi-Fi
16 7 (3.14%) WLAN
Database & Business Intelligence
1 20 (8.97%) SQL Server
2 16 (7.17%) MongoDB
3 5 (2.24%) Cognos Impromptu
4 3 (1.35%) Big Data
5 2 (0.90%) Power BI
5 2 (0.90%) SQL Server 2008
5 2 (0.90%) SQL Server 2012
5 2 (0.90%) SQL Server 2014
6 1 (0.45%) MySQL
Development Applications
1 18 (8.07%) Git (software)
1 18 (8.07%) Jenkins
2 14 (6.28%) Artifactory
2 14 (6.28%) Sonatype Nexus
3 12 (5.38%) JIRA
4 2 (0.90%) Visual Studio Team System
General
1 26 (11.66%) Retail
2 3 (1.35%) Pharmaceutical
3 2 (0.90%) Finance
3 2 (0.90%) Legal
4 1 (0.45%) Manufacturing
Job Titles
1 45 (20.18%) Analyst
2 37 (16.59%) Network Engineer
3 33 (14.80%) IT Support
4 26 (11.66%) Security Engineer
5 21 (9.42%) Network Security Engineer
6 20 (8.97%) IT Support Technician
6 20 (8.97%) IT Technician
6 20 (8.97%) Service Desk Support
6 20 (8.97%) Service Desk Technician
6 20 (8.97%) Support Technician
7 18 (8.07%) Architect
7 18 (8.07%) Senior Network Engineer
8 17 (7.62%) 3rd Line Engineer
9 16 (7.17%) Help Desk Support
9 16 (7.17%) Help Desk Support Technician
9 16 (7.17%) Help Desk Technician
9 16 (7.17%) Support Analyst
10 13 (5.83%) DevOps Engineer
10 13 (5.83%) IT Analyst
10 13 (5.83%) IT Support Analyst
Libraries, Frameworks & Software Standards
1 19 (8.52%) Web Services
2 8 (3.59%) Elastic Stack
3 3 (1.35%) Node.js
4 1 (0.45%) 802.1X
4 1 (0.45%) COM
4 1 (0.45%) HTML
4 1 (0.45%) XML
Miscellaneous
1 26 (11.66%) Data Centre
2 19 (8.52%) Security Operations Centre
3 18 (8.07%) Management Information System
4 15 (6.73%) Analytical Skills
5 14 (6.28%) Replication
6 9 (4.04%) CCTV
7 7 (3.14%) Distributed Denial-of-Service
7 7 (3.14%) Self-Motivation
8 4 (1.79%) Hybrid Cloud
9 3 (1.35%) Cyberattack
9 3 (1.35%) User Experience
10 2 (0.90%) Driving Licence
10 2 (0.90%) Linux Command Line
10 2 (0.90%) PKI
10 2 (0.90%) Public Cloud
10 2 (0.90%) SCADA
11 1 (0.45%) AS400
11 1 (0.45%) e-Health
11 1 (0.45%) Renewable Energy
11 1 (0.45%) Video Conferencing
Operating Systems
1 93 (41.70%) Windows
2 69 (30.94%) Windows Server
3 53 (23.77%) Linux
4 21 (9.42%) Windows 7
5 17 (7.62%) Windows 10
5 17 (7.62%) Windows Server 2012
6 15 (6.73%) Windows Server 2008
7 11 (4.93%) Windows 8
8 9 (4.04%) CentOS
9 3 (1.35%) Mac OS X
9 3 (1.35%) Ubuntu
9 3 (1.35%) Windows XP
10 2 (0.90%) Android
11 1 (0.45%) Solaris
11 1 (0.45%) Unix
11 1 (0.45%) Windows Server 2003
Processes & Methodologies
1 38 (17.04%) ITIL
2 37 (16.59%) Migration
3 35 (15.70%) Problem-Solving
4 30 (13.45%) SIEM
5 29 (13.00%) Information Security
5 29 (13.00%) Network Management
6 26 (11.66%) Cybersecurity
6 26 (11.66%) Disaster Recovery
7 23 (10.31%) DevOps
8 21 (9.42%) Patch Management
9 20 (8.97%) Data Migration
9 20 (8.97%) Load Balancing
9 20 (8.97%) Penetration Testing
9 20 (8.97%) Security Operations
10 18 (8.07%) Kalman Filter
11 17 (7.62%) Identity Access Management
12 16 (7.17%) Asset Management
12 16 (7.17%) Microservices
12 16 (7.17%) Performance Measurement
13 15 (6.73%) Infrastructure Engineering
Programming Languages
1 20 (8.97%) Python
2 18 (8.07%) Bash Shell
3 17 (7.62%) PowerShell
4 16 (7.17%) Perl
4 16 (7.17%) Ruby
5 11 (4.93%) SQL
6 3 (1.35%) Java
6 3 (1.35%) PHP
6 3 (1.35%) VBScript
7 1 (0.45%) C
7 1 (0.45%) Shell Script
7 1 (0.45%) VB
Qualifications
1 54 (24.22%) Cisco Certification
2 30 (13.45%) CCNA
2 30 (13.45%) CCNP
3 29 (13.00%) Security Cleared
4 27 (12.11%) Degree
5 25 (11.21%) SC Cleared
6 20 (8.97%) CISSP
7 17 (7.62%) CEH
8 16 (7.17%) CISM
8 16 (7.17%) Microsoft Certification
9 11 (4.93%) CCDP
10 9 (4.04%) CISA
10 9 (4.04%) Network+ Certification
10 9 (4.04%) OSCP
11 7 (3.14%) CompTIA Security+
11 7 (3.14%) MCTS
11 7 (3.14%) VMware Certified Professional (VCP)
12 6 (2.69%) CCIE
12 6 (2.69%) Citrix Certification
12 6 (2.69%) GSEC
Quality Assurance & Compliance
1 19 (8.52%) ISO/IEC 27001
2 13 (5.83%) SLA
3 12 (5.38%) NIST
4 9 (4.04%) PCI DSS
5 8 (3.59%) QA
6 4 (1.79%) Cyber Essentials
7 3 (1.35%) GDPR
8 1 (0.45%) COBIT
8 1 (0.45%) Cyber Essentials PLUS
System Software
1 87 (39.01%) Active Directory
2 60 (26.91%) VMware Infrastructure
3 25 (11.21%) Hyper-V
4 10 (4.48%) Virtual Machines
4 10 (4.48%) VMware ESXi
4 10 (4.48%) vSphere
5 5 (2.24%) VMware NSX
6 3 (1.35%) Docker
7 1 (0.45%) Microsoft Virtual Server
7 1 (0.45%) Virtual Desktop
7 1 (0.45%) Virtual Servers
7 1 (0.45%) VMware Server
Systems Management
1 17 (7.62%) Puppet
2 12 (5.38%) Ansible
3 7 (3.14%) Kibana
3 7 (3.14%) logstash
3 7 (3.14%) Opscode Chef
4 6 (2.69%) HAProxy
4 6 (2.69%) Microsoft Intune
5 5 (2.24%) FortiGate
6 4 (1.79%) AirWatch
6 4 (1.79%) Jamf Pro
6 4 (1.79%) vCenter Server
7 2 (0.90%) Docker Swarm
7 2 (0.90%) Kubernetes
7 2 (0.90%) SCCM
7 2 (0.90%) vRealize
8 1 (0.45%) Cisco CUCM
8 1 (0.45%) SCOM
8 1 (0.45%) SCOrch
8 1 (0.45%) Single Sign-On
8 1 (0.45%) WSUS
Vendors
1 85 (38.12%) Cisco
2 66 (29.60%) VMware
3 53 (23.77%) Microsoft
4 27 (12.11%) CheckPoint
5 20 (8.97%) Google
5 20 (8.97%) HP
5 20 (8.97%) Palo Alto
6 17 (7.62%) Meraki
7 16 (7.17%) SonicWALL
8 14 (6.28%) Percona
9 11 (4.93%) F5
10 10 (4.48%) SolarWinds
11 9 (4.04%) Fortinet
12 8 (3.59%) Blue Coat
12 8 (3.59%) Citrix
13 7 (3.14%) New Relic
14 6 (2.69%) Dell
14 6 (2.69%) Extreme Networks
14 6 (2.69%) Radware
15 5 (2.24%) Splunk