Period
to 5 June 2020

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 5 June 2020 with a comparison to the same period in the previous 2 years.

Firewall
East of England > Hertfordshire
6 months to
5 Jun 2020
Same period 2019 Same period 2018
Rank 28 32 51
Rank change year-on-year +4 +19 -1
Permanent jobs citing Firewall 112 189 243
As % of all permanent jobs advertised in Hertfordshire 8.15% 6.34% 5.27%
As % of the Communications & Networking category 35.78% 28.04% 26.94%
Number of salaries quoted 102 164 210
Median annual salary £31,750 £42,500 £50,000
Median salary % change year-on-year -25.29% -15.00% -
10th Percentile £25,500 £26,100 £31,250
90th Percentile £47,500 £62,500 £71,250
East of England median annual salary £37,500 £40,000 £45,000
% change year-on-year -6.25% -11.11% +11.11%

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 313 674 902
As % of all permanent IT jobs advertised in Hertfordshire 22.76% 22.61% 19.55%
Number of salaries quoted 265 510 740
Median annual salary £42,500 £45,000 £47,750
Median salary % change year-on-year -5.56% -5.76% +6.11%
10th Percentile £25,600 £25,000 £24,000
90th Percentile £71,250 £68,750 £70,000
East of England median annual salary £42,500 £42,500 £45,000
% change year-on-year - -5.56% +4.65%

Firewall
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Firewall in Hertfordshire

Firewall
Salary Trend in Hertfordshire

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

Salary trend for Firewall in Hertfordshire

Firewall
Salary Histogram in Hertfordshire

Salary distribution for jobs citing Firewall in Hertfordshire over the 6 months to 5 June 2020.

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 5 June 2020. 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 +10 33 £27,500 -21.43%
Hemel Hempstead +10 20 £30,000 -33.33%
Borehamwood +5 15 £34,500 -42.50%
Bishop's Stortford +6 7 £39,500 +18.80%
St Albans - 6 £32,000 -
Stevenage +11 5 £38,750 -3.13%
Hatfield +16 4 £27,500 -47.62%
Hertford +6 3 £25,500 -1.92%
Hitchin +5 2 £75,000 +66.67%
Waltham Cross - 2 £42,500 -
Letchworth +3 1 - -
Broxbourne - 1 £35,000 -
Firewall
East of England

For the 6 months to 5 June 2020, 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 83 (74.11%) Windows
2 82 (73.21%) Active Directory
3 67 (59.82%) Microsoft
4 59 (52.68%) Office 365
5 57 (50.89%) VMware
6 56 (50.00%) Windows Server
7 52 (46.43%) DNS
8 44 (39.29%) Microsoft Office
9 43 (38.39%) VMware Infrastructure
10 41 (36.61%) DHCP
11 39 (34.82%) TCP/IP
12 37 (33.04%) Cisco
12 37 (33.04%) Hyper-V
13 36 (32.14%) Azure
14 32 (28.57%) Windows 10
15 31 (27.68%) SharePoint
16 30 (26.79%) Wireless
17 26 (23.21%) HP
18 25 (22.32%) MS Exchange
19 24 (21.43%) Windows Server 2012
19 24 (21.43%) Problem-Solving
20 23 (20.54%) Windows 7
21 22 (19.64%) LAN
22 20 (17.86%) vSphere
22 20 (17.86%) Linux
22 20 (17.86%) WAN
22 20 (17.86%) OneDrive
23 19 (16.96%) SQL
24 18 (16.07%) VPN
24 18 (16.07%) Windows Server 2008

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 31 (27.68%) SharePoint
2 25 (22.32%) MS Exchange
3 17 (15.18%) Exchange Server 2010
4 11 (9.82%) Exchange Server 2013
5 2 (1.79%) Skype for Business
6 1 (0.89%) Alfresco
6 1 (0.89%) Documentum
6 1 (0.89%) Elasticsearch
6 1 (0.89%) Tomcat
Applications
1 44 (39.29%) Microsoft Office
2 6 (5.36%) Photoshop
3 3 (2.68%) Microsoft Excel
Cloud Services
1 59 (52.68%) Office 365
2 36 (32.14%) Azure
3 20 (17.86%) OneDrive
4 14 (12.50%) AWS
5 13 (11.61%) Azure Active Directory
6 3 (2.68%) SaaS
7 2 (1.79%) Dynamics 365
7 2 (1.79%) IaaS
7 2 (1.79%) Power Platform
8 1 (0.89%) Akamai
8 1 (0.89%) GCP
8 1 (0.89%) GitHub
8 1 (0.89%) Stackdriver
Communications & Networking
1 52 (46.43%) DNS
2 41 (36.61%) DHCP
3 39 (34.82%) TCP/IP
4 30 (26.79%) Wireless
5 22 (19.64%) LAN
6 20 (17.86%) WAN
7 18 (16.07%) VPN
8 13 (11.61%) SAN
9 12 (10.71%) Wi-Fi
10 10 (8.93%) Remote Desktop
11 9 (8.04%) PBX
11 9 (8.04%) VLAN
12 8 (7.14%) Cisco Wireless
13 7 (6.25%) Internet
14 6 (5.36%) Cisco ASA
15 4 (3.57%) Cisco IOS
15 4 (3.57%) Cisco Nexus
15 4 (3.57%) VoIP
16 3 (2.68%) BGP
16 3 (2.68%) SSL
Database & Business Intelligence
1 17 (15.18%) SQL Server
2 3 (2.68%) SQL Server 2008
2 3 (2.68%) SQL Server 2017
2 3 (2.68%) SQL Server Reporting Services
3 2 (1.79%) MySQL
3 2 (1.79%) Power BI
4 1 (0.89%) Amazon DynamoDB
4 1 (0.89%) MariaDB
4 1 (0.89%) MongoDB
4 1 (0.89%) NoSQL
4 1 (0.89%) PostgreSQL
4 1 (0.89%) Redis
Development Applications
1 3 (2.68%) Jenkins
2 2 (1.79%) Git (software)
3 1 (0.89%) Log4j
3 1 (0.89%) Subversion
3 1 (0.89%) Team Foundation Server
General
1 16 (14.29%) Retail
2 3 (2.68%) Telecoms
3 1 (0.89%) Finance
3 1 (0.89%) Games
3 1 (0.89%) Law
3 1 (0.89%) Local Government
3 1 (0.89%) Public Sector
Job Titles
1 40 (35.71%) Support Engineer
2 37 (33.04%) IT Support
3 31 (27.68%) IT Engineer
4 24 (21.43%) Network Engineer
5 23 (20.54%) IT Support Engineer
6 22 (19.64%) 2nd Line Support
7 21 (18.75%) Network Support
8 18 (16.07%) Service Desk Support
9 17 (15.18%) Analyst
10 13 (11.61%) Network Support Engineer
10 13 (11.61%) Server Engineer
10 13 (11.61%) Server Support
11 12 (10.71%) Server Support Engineer
11 12 (10.71%) Support Analyst
12 11 (9.82%) 2nd Line Engineer
12 11 (9.82%) 2nd Line Support Engineer
12 11 (9.82%) 3rd Line Support
12 11 (9.82%) IT Technician
13 10 (8.93%) 2nd Line Support Technician
13 10 (8.93%) Service Desk Technician
Libraries, Frameworks & Software Standards
1 10 (8.93%) Web Services
2 2 (1.79%) Elastic Stack
2 2 (1.79%) HTML
3 1 (0.89%) .NET
3 1 (0.89%) 802.1X
3 1 (0.89%) Apache Camel
3 1 (0.89%) CSS
3 1 (0.89%) DirectX
3 1 (0.89%) OpenGL
3 1 (0.89%) Spring
3 1 (0.89%) XML
Miscellaneous
1 13 (11.61%) Analytical Skills
2 8 (7.14%) Management Information System
3 7 (6.25%) Data Centre
4 3 (2.68%) Digital Wallet
4 3 (2.68%) EPoS
4 3 (2.68%) iPad
5 2 (1.79%) Clustering
5 2 (1.79%) Cyber Defence
5 2 (1.79%) Driving Licence
5 2 (1.79%) Replication
5 2 (1.79%) Self-Motivation
6 1 (0.89%) Handset
6 1 (0.89%) Hybrid Cloud
6 1 (0.89%) NHS
6 1 (0.89%) Public Cloud
6 1 (0.89%) Security Operations Centre
6 1 (0.89%) Video Conferencing
Operating Systems
1 83 (74.11%) Windows
2 56 (50.00%) Windows Server
3 32 (28.57%) Windows 10
4 24 (21.43%) Windows Server 2012
5 23 (20.54%) Windows 7
6 20 (17.86%) Linux
7 18 (16.07%) Windows Server 2008
8 15 (13.39%) Windows 8
9 13 (11.61%) Windows Server 2016
10 8 (7.14%) Windows Server 2003
11 4 (3.57%) Mac OS X
11 4 (3.57%) Windows XP
12 3 (2.68%) Unix
13 2 (1.79%) Android
13 2 (1.79%) Apple iOS
13 2 (1.79%) Mac OS
13 2 (1.79%) Red Hat Enterprise Linux
13 2 (1.79%) Windows Server 2019
Processes & Methodologies
1 24 (21.43%) Problem-Solving
2 16 (14.29%) Incident Management
3 15 (13.39%) ITIL
4 12 (10.71%) Decision-Making
4 12 (10.71%) Migration
5 11 (9.82%) Infrastructure Engineering
6 10 (8.93%) Data Migration
6 10 (8.93%) Disaster Recovery
7 9 (8.04%) Kalman Filter
7 9 (8.04%) Technical Analysis
7 9 (8.04%) Web Filtering
8 8 (7.14%) Change Management
8 8 (7.14%) Configuration Management
8 8 (7.14%) Email Filtering
8 8 (7.14%) Service Delivery
9 6 (5.36%) Network Management
10 4 (3.57%) Computer Science
10 4 (3.57%) Document Management
10 4 (3.57%) Systems Engineering
11 3 (2.68%) Deployment Automation
Programming Languages
1 19 (16.96%) SQL
2 10 (8.93%) PowerShell
3 2 (1.79%) Java
3 2 (1.79%) Python
4 1 (0.89%) Bash Shell
4 1 (0.89%) C#
4 1 (0.89%) C++
4 1 (0.89%) JavaScript
Qualifications
1 13 (11.61%) Security Cleared
2 12 (10.71%) SC Cleared
3 9 (8.04%) Cisco Certification
4 7 (6.25%) CCNP
4 7 (6.25%) Microsoft Certification
5 6 (5.36%) Degree
6 5 (4.46%) CCNA
7 4 (3.57%) Computer Science Degree
7 4 (3.57%) MCITP
8 2 (1.79%) CISMP
8 2 (1.79%) VMware Certified Professional (VCP)
9 1 (0.89%) BPSS Clearance
9 1 (0.89%) CCIE
9 1 (0.89%) CCIE Service Provider
9 1 (0.89%) CompTIA Security+
9 1 (0.89%) HNC
9 1 (0.89%) MCSE
9 1 (0.89%) Network+ Certification
9 1 (0.89%) VCP6
Quality Assurance & Compliance
1 11 (9.82%) ISO/IEC 27001
2 5 (4.46%) SLA
3 3 (2.68%) QA
4 1 (0.89%) PCI DSS
System Software
1 82 (73.21%) Active Directory
2 43 (38.39%) VMware Infrastructure
3 37 (33.04%) Hyper-V
4 20 (17.86%) vSphere
5 15 (13.39%) Microsoft Virtual Server
5 15 (13.39%) Virtual Servers
6 2 (1.79%) Docker
6 2 (1.79%) VMware NSX
6 2 (1.79%) VMware Server
6 2 (1.79%) XenApp
7 1 (0.89%) Terminal Server
7 1 (0.89%) Virtual Machines
Systems Management
1 11 (9.82%) SCCM
2 2 (1.79%) Jamf Pro
2 2 (1.79%) Kubernetes
2 2 (1.79%) Symantec Endpoint Protection
2 2 (1.79%) vRealize
2 2 (1.79%) WSUS
3 1 (0.89%) Ansible
3 1 (0.89%) Failover Clustering
3 1 (0.89%) Grafana
3 1 (0.89%) Kibana
3 1 (0.89%) logstash
3 1 (0.89%) Microsoft Intune
3 1 (0.89%) Nagios
3 1 (0.89%) Opscode Chef
3 1 (0.89%) PaperCut
3 1 (0.89%) Puppet
3 1 (0.89%) Terraform
3 1 (0.89%) vCenter Server
3 1 (0.89%) ZABBIX
Vendors
1 67 (59.82%) Microsoft
2 57 (50.89%) VMware
3 37 (33.04%) Cisco
4 26 (23.21%) HP
5 13 (11.61%) SonicWALL
6 11 (9.82%) Citrix
7 8 (7.14%) Aruba
7 8 (7.14%) Meraki
7 8 (7.14%) NetApp
8 6 (5.36%) Palo Alto
9 4 (3.57%) ServiceNow
10 3 (2.68%) Apple
10 3 (2.68%) Barracuda Networks
10 3 (2.68%) Ingenico
10 3 (2.68%) Symantec
10 3 (2.68%) Veeam
10 3 (2.68%) VeriFone
10 3 (2.68%) WorldPay
11 2 (1.79%) CheckPoint
11 2 (1.79%) Juniper