Period
to 21 January 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 21 January 2019 with a comparison to the same period in the previous 2 years.

Firewall
East of England > Hertfordshire
6 months to
21 Jan 2019
Same period 2018 Same period 2017
Rank 37 42 48
Rank change year-on-year +5 +6 -3
Permanent jobs citing Firewall 227 268 225
As % of all permanent IT jobs advertised in Hertfordshire 6.35% 6.00% 5.12%
As % of the Communications & Networking category 30.03% 28.63% 31.25%
Number of salaries quoted 174 234 174
Hertfordshire median annual salary £41,500 £50,000 £47,500
Median salary % change year-on-year -17.00% +5.26% +11.76%
10th Percentile £26,275 £29,000 £28,225
90th Percentile £62,500 £71,250 £67,500
East of England median annual salary £38,708 £45,000 £42,500
% change year-on-year -13.98% +5.88% -5.56%

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 756 936 720
As % of all permanent IT jobs advertised in Hertfordshire 21.16% 20.95% 16.38%
Number of salaries quoted 539 781 548
Hertfordshire median annual salary £45,000 £47,500 £43,250
Median salary % change year-on-year -5.26% +9.83% +1.76%
10th Percentile £25,750 £25,000 £23,250
90th Percentile £72,000 £68,750 £65,375
East of England median annual salary £42,500 £45,000 £45,000
% change year-on-year -5.56% - +5.88%

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 21 January 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 21 January 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 -2 67 £40,000 -11.11% 4
Hemel Hempstead +23 26 £45,000 -10.00% 2
Hatfield +9 24 £52,500 - 4
Welwyn Garden City -4 19 £72,000 +105.71% 1
St Albans +22 16 £33,500 -44.17%
Stevenage +10 14 £52,500 +16.67% 4
Hertford +12 11 £26,000 -54.78%
Ware - 6 £30,000 - 1
Borehamwood +11 4 £22,500 -21.05% 2
Hitchin -4 1 £47,500 -2.06%
Potters Bar -5 1 £21,500 -15.69% 1
Sawbridgeworth - 1 £55,000 -
Waltham Cross - 1 £35,000 -
Letchworth - 1 - -
Firewall
East of England

For the 6 months to 21 January 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.

1 143 (63.00%) Windows
2 133 (58.59%) VMware
3 132 (58.15%) Microsoft
4 108 (47.58%) Active Directory
5 82 (36.12%) DNS
5 82 (36.12%) VMware Infrastructure
6 81 (35.68%) Windows Server
7 79 (34.80%) Microsoft Azure
8 77 (33.92%) VPN
9 72 (31.72%) Linux
10 70 (30.84%) Office 365
11 66 (29.07%) Amazon AWS
12 63 (27.75%) TCP/IP
13 61 (26.87%) Cisco
14 60 (26.43%) Windows 7
15 59 (25.99%) PowerShell
15 59 (25.99%) DHCP
16 56 (24.67%) Hyper-V
16 56 (24.67%) Windows 10
17 50 (22.03%) Windows Server 2012
18 47 (20.70%) LAN
19 46 (20.26%) Microsoft Certification
19 46 (20.26%) Windows Server 2008
20 44 (19.38%) Windows 8
21 42 (18.50%) ITIL
22 41 (18.06%) WAN
22 41 (18.06%) Network Security
22 41 (18.06%) Infrastructure Engineering
23 40 (17.62%) Information Security
23 40 (17.62%) Disaster Recovery

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 16 (7.05%) MS Exchange
1 16 (7.05%) OpenStack
2 14 (6.17%) IIS
2 14 (6.17%) Skype for Business
3 10 (4.41%) GlassFish
3 10 (4.41%) JBoss
3 10 (4.41%) MQSeries
3 10 (4.41%) Oracle SOA Suite
3 10 (4.41%) WebLogic
3 10 (4.41%) WebSphere
4 9 (3.96%) Elasticsearch
5 8 (3.52%) SharePoint
6 7 (3.08%) Exchange Server 2013
7 5 (2.20%) Apache
8 3 (1.32%) Tomcat
9 1 (0.44%) Exchange Server 2010
Applications
1 22 (9.69%) Microsoft Office
2 5 (2.20%) Photoshop
3 2 (0.88%) Microsoft Excel
3 2 (0.88%) MS Visio
Business Applications
1 3 (1.32%) C-CURE
2 1 (0.44%) Dynamics CRM
2 1 (0.44%) Dynamics NAV
Cloud Services
1 79 (34.80%) Microsoft Azure
2 70 (30.84%) Office 365
3 66 (29.07%) Amazon AWS
4 20 (8.81%) IaaS
5 19 (8.37%) AWS CloudFormation
6 18 (7.93%) PaaS
7 17 (7.49%) Cloud Computing
8 13 (5.73%) SaaS
9 11 (4.85%) GitHub
10 9 (3.96%) Amazon CloudWatch
10 9 (3.96%) Amazon EC2
10 9 (3.96%) Amazon Glacier
10 9 (3.96%) Amazon S3
10 9 (3.96%) Amazon SQS
10 9 (3.96%) AWS CloudTrail
10 9 (3.96%) Virtual Private Cloud
11 8 (3.52%) Mimecast
12 5 (2.20%) Google Cloud Platform
13 4 (1.76%) OneDrive
14 2 (0.88%) Azure Active Directory
Communications & Networking
1 82 (36.12%) DNS
2 77 (33.92%) VPN
3 63 (27.75%) TCP/IP
4 59 (25.99%) DHCP
5 47 (20.70%) LAN
6 41 (18.06%) Network Security
6 41 (18.06%) WAN
7 36 (15.86%) SAN
8 32 (14.10%) Internet
9 31 (13.66%) Wireless
10 20 (8.81%) Remote Desktop
11 19 (8.37%) HTTP
11 19 (8.37%) SNMP
12 17 (7.49%) Structured Cabling
13 16 (7.05%) Cisco ASA
13 16 (7.05%) ICMP
13 16 (7.05%) Reverse Proxy
13 16 (7.05%) VLAN
14 10 (4.41%) Cisco Nexus
14 10 (4.41%) Unified Communications
Database & Business Intelligence
1 39 (17.18%) SQL Server
2 10 (4.41%) Amazon RDS
3 8 (3.52%) SQL Server 2016
4 4 (1.76%) MongoDB
4 4 (1.76%) NoSQL
4 4 (1.76%) Redis
5 3 (1.32%) Power BI
6 2 (0.88%) Data Warehouse
6 2 (0.88%) MS Access
6 2 (0.88%) MySQL
6 2 (0.88%) SAP Data Services
6 2 (0.88%) SQL Server 2012
6 2 (0.88%) SQL Server Analysis Services
6 2 (0.88%) SQL Server Integration Services
7 1 (0.44%) SAP BW
7 1 (0.44%) SQL Server 2014
7 1 (0.44%) SQL Server Reporting Services
Development Applications
1 11 (4.85%) Jenkins
1 11 (4.85%) JIRA
2 9 (3.96%) Visual Studio
3 4 (1.76%) Git (software)
3 4 (1.76%) Hudson
3 4 (1.76%) Subversion
4 2 (0.88%) Octopus Deploy
4 2 (0.88%) Team Foundation Server
5 1 (0.44%) Ant
General
1 19 (8.37%) Retail
2 12 (5.29%) French Language
3 9 (3.96%) Advertising
3 9 (3.96%) German Language
3 9 (3.96%) Swedish Language
4 5 (2.20%) Telecoms
5 4 (1.76%) Back Office
6 3 (1.32%) Finance
6 3 (1.32%) Greek Language
6 3 (1.32%) Italian Language
6 3 (1.32%) Military
6 3 (1.32%) Portuguese Language
6 3 (1.32%) Spanish Language
7 1 (0.44%) Billing
7 1 (0.44%) Legal
7 1 (0.44%) Manufacturing
Job Titles
1 37 (16.30%) Support Engineer
2 34 (14.98%) Network Engineer
3 28 (12.33%) 3rd Line Engineer
3 28 (12.33%) Infrastructure Engineer
3 28 (12.33%) Security Engineer
4 25 (11.01%) 3rd Line Support
4 25 (11.01%) Analyst
5 19 (8.37%) Architect
6 16 (7.05%) 2nd Line Engineer
6 16 (7.05%) Infrastructure Architect
6 16 (7.05%) IT Engineer
7 15 (6.61%) 3rd Line Support Engineer
7 15 (6.61%) Administrator
8 14 (6.17%) Network Security Engineer
8 14 (6.17%) SOC Engineer
8 14 (6.17%) Systems Administrator
9 12 (5.29%) Infrastructure Support
9 12 (5.29%) Infrastructure Support Engineer
9 12 (5.29%) IT Support
9 12 (5.29%) IT Support Engineer
Libraries, Frameworks & Software Standards
1 31 (13.66%) Web Services
2 19 (8.37%) ActiveMQ
3 10 (4.41%) EJB
3 10 (4.41%) EJB 3.0
3 10 (4.41%) HornetQ
3 10 (4.41%) Java EE
3 10 (4.41%) Java SE
3 10 (4.41%) JMS
3 10 (4.41%) WebSphere MQ
4 9 (3.96%) YAML
5 6 (2.64%) HTML
6 5 (2.20%) Elastic Stack
7 4 (1.76%) CSS
7 4 (1.76%) Node.js
7 4 (1.76%) REST
8 2 (0.88%) .NET
8 2 (0.88%) MDX
8 2 (0.88%) SOAP
8 2 (0.88%) XML
9 1 (0.44%) 802.1X
Miscellaneous
1 34 (14.98%) Self-Motivation
2 32 (14.10%) Analytical Skills
3 31 (13.66%) Data Centre
4 24 (10.57%) Management Information System
5 23 (10.13%) Hybrid Cloud
6 21 (9.25%) Replication
7 18 (7.93%) Security Operations Centre
8 15 (6.61%) Linux Command Line
9 12 (5.29%) Enterprise Software
10 7 (3.08%) Public Cloud
11 5 (2.20%) Client/Server
11 5 (2.20%) Cyber Kill Chain
11 5 (2.20%) Driving Licence
12 4 (1.76%) Blackberry
12 4 (1.76%) iPhone
12 4 (1.76%) Smartphone
12 4 (1.76%) Video Conferencing
13 3 (1.32%) CCTV
13 3 (1.32%) iPad
13 3 (1.32%) iSeries
Operating Systems
1 143 (63.00%) Windows
2 81 (35.68%) Windows Server
3 72 (31.72%) Linux
4 60 (26.43%) Windows 7
5 56 (24.67%) Windows 10
6 50 (22.03%) Windows Server 2012
7 46 (20.26%) Windows Server 2008
8 44 (19.38%) Windows 8
9 20 (8.81%) Mac OS X
10 10 (4.41%) Unix
11 8 (3.52%) Ubuntu
12 6 (2.64%) CentOS
12 6 (2.64%) Windows XP
13 5 (2.20%) Kali Linux
14 4 (1.76%) Windows Phone
14 4 (1.76%) Windows Vista
15 2 (0.88%) Android
15 2 (0.88%) Apple iOS
16 1 (0.44%) Windows Server 2003
Processes & Methodologies
1 42 (18.50%) ITIL
2 41 (18.06%) Infrastructure Engineering
3 40 (17.62%) Disaster Recovery
3 40 (17.62%) Information Security
4 33 (14.54%) SIEM
5 32 (14.10%) Cybersecurity
6 31 (13.66%) DevOps
7 24 (10.57%) Security Operations
8 22 (9.69%) Agile Software Development
8 22 (9.69%) Migration
8 22 (9.69%) Problem-Solving
9 20 (8.81%) Presales
10 19 (8.37%) PRINCE2
10 19 (8.37%) Project Management
10 19 (8.37%) Technical Analysis
11 18 (7.93%) Server Building
12 17 (7.49%) Security Architecture
13 16 (7.05%) Kalman Filter
13 16 (7.05%) Load Balancing
13 16 (7.05%) SOA
Programming Languages
1 59 (25.99%) PowerShell
2 35 (15.42%) Bash Shell
3 32 (14.10%) SQL
4 26 (11.45%) Java
5 25 (11.01%) Python
6 11 (4.85%) VBScript
7 10 (4.41%) Shell Script
8 9 (3.96%) Perl
9 8 (3.52%) AWK
10 6 (2.64%) JavaScript
11 2 (0.88%) C
11 2 (0.88%) T-SQL
11 2 (0.88%) VBA
12 1 (0.44%) C#
12 1 (0.44%) VB
Qualifications
1 46 (20.26%) Microsoft Certification
2 37 (16.30%) Degree
3 36 (15.86%) Cisco Certification
4 33 (14.54%) CCNA
5 18 (7.93%) MCP
6 16 (7.05%) GCIA
6 16 (7.05%) GCIH
6 16 (7.05%) GSEC
6 16 (7.05%) SSCP
7 15 (6.61%) CCNP
8 12 (5.29%) AWS Certification
9 11 (4.85%) MCTS
10 10 (4.41%) MCSE
11 8 (3.52%) CEH
12 7 (3.08%) CompTIA Security+
12 7 (3.08%) Network+ Certification
12 7 (3.08%) Security Cleared
13 6 (2.64%) CCENT
13 6 (2.64%) Master's Degree
14 5 (2.20%) SC Cleared
Quality Assurance & Compliance
1 18 (7.93%) ISO/IEC 27001
1 18 (7.93%) SLA
2 13 (5.73%) PCI DSS
3 11 (4.85%) GDPR
4 5 (2.20%) Cyber Essentials
5 2 (0.88%) HMG Security Policy Framework
6 1 (0.44%) COBIT
6 1 (0.44%) Government Security Classifications
6 1 (0.44%) GPG13
6 1 (0.44%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 108 (47.58%) Active Directory
2 82 (36.12%) VMware Infrastructure
3 56 (24.67%) Hyper-V
4 23 (10.13%) VMware ESXi
5 14 (6.17%) Docker
6 6 (2.64%) Firmware
6 6 (2.64%) VMware Workstation
7 5 (2.20%) Virtual Machines
8 4 (1.76%) iptables
8 4 (1.76%) ProxySG
8 4 (1.76%) Samba
8 4 (1.76%) VMware NSX
9 3 (1.32%) XenApp
9 3 (1.32%) XenDesktop
10 2 (0.88%) BitLocker
10 2 (0.88%) Microsoft Virtual Server
10 2 (0.88%) Virtual Servers
10 2 (0.88%) vSphere
11 1 (0.44%) DFS Replication
11 1 (0.44%) Terminal Services
Systems Management
1 19 (8.37%) Backup Exec
2 10 (4.41%) Opscode Chef
2 10 (4.41%) Puppet
3 8 (3.52%) Ansible
3 8 (3.52%) SCCM
4 7 (3.08%) QRadar
5 6 (2.64%) Microsoft Intune
6 4 (1.76%) Cisco CUCM
6 4 (1.76%) Nagios
7 3 (1.32%) Cisco Prime
7 3 (1.32%) Data Guard
7 3 (1.32%) Kubernetes
7 3 (1.32%) McAfee ePO
7 3 (1.32%) Stealthwatch
8 2 (0.88%) Docker Swarm
8 2 (0.88%) vCenter Server
8 2 (0.88%) vRealize
8 2 (0.88%) vRealize Orchestrator
9 1 (0.44%) Host Intrusion Detection System
9 1 (0.44%) Network Intrusion Detection System
Vendors
1 133 (58.59%) VMware
2 132 (58.15%) Microsoft
3 61 (26.87%) Cisco
4 38 (16.74%) Citrix
5 25 (11.01%) CheckPoint
6 24 (10.57%) Veeam
7 17 (7.49%) Splunk
8 16 (7.05%) F5
8 16 (7.05%) Juniper
9 15 (6.61%) HP
10 14 (6.17%) NetApp
10 14 (6.17%) Oracle
11 13 (5.73%) Fortinet
11 13 (5.73%) IBM
12 12 (5.29%) Palo Alto
13 10 (4.41%) Dell
14 9 (3.96%) Asigra
14 9 (3.96%) ConnectWise
15 8 (3.52%) SonicWALL
16 7 (3.08%) Meraki