Period
to 24 November 2017

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 24 November 2017 with a comparison to the same period in the previous 2 years.

Firewall
East of England > Hertfordshire
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 38 41 50
Rank change year-on-year +3 +9 +1
Permanent jobs citing Firewall 291 248 271
As % of all permanent IT jobs advertised in Hertfordshire 6.61% 5.57% 5.03%
As % of the Communications & Networking category 31.60% 31.67% 25.96%
Number of salaries quoted 259 188 202
Hertfordshire median annual salary £48,500 £50,000 £43,250
Median salary % change year-on-year -3.00% +15.61% -0.57%
10th Percentile £28,850 £31,600 £27,500
90th Percentile £71,250 £68,250 £62,500
East of England median annual salary £45,000 £42,500 £43,250
% change year-on-year +5.88% -1.73% +1.76%

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 921 783 1044
As % of all permanent IT jobs advertised in Hertfordshire 20.92% 17.59% 19.37%
Number of salaries quoted 764 616 765
Hertfordshire median annual salary £45,000 £45,000 £45,000
10th Percentile £25,000 £23,000 £26,250
90th Percentile £68,750 £65,000 £63,750
East of England median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +1.19%

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 24 November 2017.

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 24 November 2017. 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 -1 78 £42,500 -19.05%
Hemel Hempstead -14 46 £50,000 +11.11% 2
Welwyn Garden City -7 23 £32,000 -41.82% 2
Hatfield -2 21 £52,500 -12.50% 2
St Albans +1 17 £35,000 -50.00%
Stevenage +12 15 £40,000 +6.67%
Rickmansworth +9 8 £58,750 +2.17%
Hitchin - 6 £47,000 - 1
Potters Bar - 4 £25,500 -
Hertford - 3 £57,500 -
Borehamwood - 3 £28,500 -
Cheshunt +3 2 £31,250 -47.92%
Broxbourne - 2 £92,500 -
Firewall
East of England

For the 6 months to 24 November 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 Hertfordshire region with a requirement for Firewall.

1 132 (45.36%) DNS
2 131 (45.02%) Windows
3 124 (42.61%) Cisco
3 124 (42.61%) VMware
4 105 (36.08%) VPN
5 104 (35.74%) Microsoft
5 104 (35.74%) Active Directory
6 94 (32.30%) Windows Server
7 92 (31.62%) Citrix
8 90 (30.93%) LAN
9 89 (30.58%) DHCP
10 88 (30.24%) WAN
11 86 (29.55%) MS Exchange
12 76 (26.12%) VMware Infrastructure
13 73 (25.09%) Hyper-V
14 70 (24.05%) Linux
14 70 (24.05%) Data Centre
15 69 (23.71%) Cisco Certification
16 66 (22.68%) OSPF
17 65 (22.34%) BGP
18 64 (21.99%) MPLS
19 60 (20.62%) Cisco ASA
20 59 (20.27%) ITIL
21 56 (19.24%) Windows 7
22 55 (18.90%) Office 365
22 55 (18.90%) Microsoft Office
23 54 (18.56%) E-Commerce
23 54 (18.56%) Windows Server 2008
23 54 (18.56%) VLAN
24 53 (18.21%) SQL

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 86 (29.55%) MS Exchange
2 31 (10.65%) Exchange Server 2010
2 31 (10.65%) Exchange Server 2013
3 28 (9.62%) Skype for Business
4 21 (7.22%) CMS
5 8 (2.75%) IIS
6 7 (2.41%) SharePoint
7 5 (1.72%) Exchange Server 2007
8 3 (1.03%) Elasticsearch
9 2 (0.69%) Confluence
9 2 (0.69%) nginx
10 1 (0.34%) Apache
10 1 (0.34%) Tomcat
Applications
1 55 (18.90%) Microsoft Office
2 5 (1.72%) SOLIDWORKS
3 4 (1.37%) Photoshop
4 2 (0.69%) Microsoft Excel
5 1 (0.34%) AutoCAD
5 1 (0.34%) Microsoft Project
Business Applications
1 5 (1.72%) Sage 200
2 2 (0.69%) Dynamics NAV
2 2 (0.69%) SAP CRM
3 1 (0.34%) Dynamics CRM
Cloud Services
1 55 (18.90%) Office 365
2 37 (12.71%) Microsoft Azure
3 26 (8.93%) PaaS
4 18 (6.19%) Amazon AWS
5 15 (5.15%) SaaS
6 14 (4.81%) Akamai
7 12 (4.12%) IaaS
7 12 (4.12%) Mimecast
8 5 (1.72%) Amazon EC2
8 5 (1.72%) Amazon S3
8 5 (1.72%) Amazon SQS
8 5 (1.72%) AWS CloudFormation
9 4 (1.37%) Amazon CloudWatch
9 4 (1.37%) Amazon Glacier
9 4 (1.37%) AWS CloudTrail
9 4 (1.37%) Google Cloud Platform
9 4 (1.37%) Virtual Private Cloud
10 3 (1.03%) Cloud Computing
11 2 (0.69%) GitHub
12 1 (0.34%) Route 53
Communications & Networking
1 132 (45.36%) DNS
2 105 (36.08%) VPN
3 90 (30.93%) LAN
4 89 (30.58%) DHCP
5 88 (30.24%) WAN
6 66 (22.68%) OSPF
7 65 (22.34%) BGP
8 64 (21.99%) MPLS
9 60 (20.62%) Cisco ASA
10 54 (18.56%) VLAN
11 53 (18.21%) SAN
12 46 (15.81%) HTTP
13 42 (14.43%) TCP/IP
14 39 (13.40%) Network Security
15 38 (13.06%) VoIP
16 35 (12.03%) Cisco IOS
17 33 (11.34%) NetScaler
18 22 (7.56%) HSRP
18 22 (7.56%) Wi-Fi
19 20 (6.87%) HTTPS
Database & Business Intelligence
1 50 (17.18%) SQL Server
2 20 (6.87%) SQL Server 2008
3 17 (5.84%) SQL Server 2016
4 16 (5.50%) Amazon RDS
5 15 (5.15%) Data Warehouse
5 15 (5.15%) MS Access
5 15 (5.15%) Power BI
5 15 (5.15%) SAP Data Services
5 15 (5.15%) SQL Server 2012
5 15 (5.15%) SQL Server 2014
5 15 (5.15%) SQL Server Analysis Services
5 15 (5.15%) SQL Server Integration Services
6 10 (3.44%) SAP BW
7 9 (3.09%) MySQL
8 4 (1.37%) Oracle Database
9 2 (0.69%) Big Data
9 2 (0.69%) DB2
9 2 (0.69%) NoSQL
9 2 (0.69%) SQL Server 2005
Development Applications
1 15 (5.15%) Team Foundation Server
2 3 (1.03%) Git (software)
2 3 (1.03%) Jenkins
3 2 (0.69%) JIRA
3 2 (0.69%) Visual Studio
3 2 (0.69%) VSS/SourceSafe
General
1 29 (9.97%) Finance
2 17 (5.84%) Retail
3 16 (5.50%) Back Office
3 16 (5.50%) Military
4 13 (4.47%) Games
5 8 (2.75%) Telecoms
6 7 (2.41%) Marketing
7 5 (1.72%) Advertising
8 3 (1.03%) Law
8 3 (1.03%) Manufacturing
9 2 (0.69%) French Language
9 2 (0.69%) German Language
9 2 (0.69%) Swedish Language
Job Titles
1 64 (21.99%) Network Engineer
2 54 (18.56%) Support Engineer
3 45 (15.46%) 3rd Line Engineer
4 39 (13.40%) Senior Network Engineer
5 28 (9.62%) 3rd Line Support
5 28 (9.62%) Security Engineer
6 27 (9.28%) Consultant
7 24 (8.25%) Administrator
7 24 (8.25%) Analyst
8 23 (7.90%) 3rd Line Support Engineer
8 23 (7.90%) Infrastructure Engineer
9 22 (7.56%) Developer
10 21 (7.22%) IT Engineer
11 20 (6.87%) Office 365 Engineer
12 19 (6.53%) IT Administrator
13 17 (5.84%) Network Administrator
13 17 (5.84%) Security Consultant
14 16 (5.50%) IT Support
15 15 (5.15%) Business Intelligence Developer
15 15 (5.15%) Cisco Engineer
Libraries, Frameworks & Software Standards
1 30 (10.31%) HTML
2 21 (7.22%) Web Services
3 19 (6.53%) SOAP
4 18 (6.19%) XML
5 17 (5.84%) POSIX
6 16 (5.50%) .NET
7 15 (5.15%) MDX
7 15 (5.15%) REST
8 7 (2.41%) Hibernate
8 7 (2.41%) Spring
9 6 (2.06%) LAMP
10 3 (1.03%) 802.1X
11 2 (0.69%) ActiveMQ
11 2 (0.69%) Apache Axis
11 2 (0.69%) YAML
Miscellaneous
1 70 (24.05%) Data Centre
2 44 (15.12%) Analytical Skills
3 21 (7.22%) Management Information System
4 18 (6.19%) iPhone
5 15 (5.15%) Replication
6 10 (3.44%) Blackberry
7 9 (3.09%) Data Protection Act
7 9 (3.09%) User Experience
8 6 (2.06%) Clustering
8 6 (2.06%) Driving Licence
9 5 (1.72%) Computer Science
9 5 (1.72%) Public Cloud
10 4 (1.37%) Fat Client
10 4 (1.37%) Thin Client
11 2 (0.69%) CCTV
11 2 (0.69%) Fintech
11 2 (0.69%) FMCG
11 2 (0.69%) Hybrid Cloud
11 2 (0.69%) PKI
11 2 (0.69%) Virtual Team
Operating Systems
1 131 (45.02%) Windows
2 94 (32.30%) Windows Server
3 70 (24.05%) Linux
4 56 (19.24%) Windows 7
5 54 (18.56%) Windows Server 2008
6 40 (13.75%) Windows Server 2012
7 23 (7.90%) Windows 10
8 20 (6.87%) Windows 8
9 18 (6.19%) Windows Server 2003
10 14 (4.81%) Mac OS X
11 13 (4.47%) Red Hat Enterprise Linux
12 11 (3.78%) Windows Vista
13 10 (3.44%) Windows Phone
13 10 (3.44%) Windows XP
14 6 (2.06%) CentOS
15 5 (1.72%) Mac OS
16 4 (1.37%) Unix
17 3 (1.03%) Kali Linux
18 2 (0.69%) Android
18 2 (0.69%) Ubuntu
Processes & Methodologies
1 59 (20.27%) ITIL
2 54 (18.56%) E-Commerce
3 31 (10.65%) Kalman Filter
4 25 (8.59%) Mentoring
5 23 (7.90%) Disaster Recovery
6 22 (7.56%) Change Management
7 21 (7.22%) Problem Management
8 20 (6.87%) Business Continuity
8 20 (6.87%) Load Balancing
9 19 (6.53%) Data Encryption
9 19 (6.53%) Data Protection
9 19 (6.53%) Information Security
10 18 (6.19%) Data Security
10 18 (6.19%) Multi-Factor Authentication
10 18 (6.19%) Two-Factor Authentication
11 17 (5.84%) Business Intelligence
11 17 (5.84%) Cryptography
11 17 (5.84%) Incident Management
11 17 (5.84%) Network Optimisation
11 17 (5.84%) Penetration Testing
Programming Languages
1 53 (18.21%) SQL
2 52 (17.87%) PowerShell
3 20 (6.87%) VBScript
4 17 (5.84%) Java
5 16 (5.50%) Python
6 15 (5.15%) T-SQL
6 15 (5.15%) VBA
7 11 (3.78%) C
7 11 (3.78%) C#
8 10 (3.44%) VB
9 5 (1.72%) Perl
10 4 (1.37%) C++
10 4 (1.37%) Shell Script
11 3 (1.03%) Bash Shell
11 3 (1.03%) Go
11 3 (1.03%) Ruby
12 2 (0.69%) PHP
13 1 (0.34%) AWK
13 1 (0.34%) Rust
13 1 (0.34%) VB.NET
Qualifications
1 69 (23.71%) Cisco Certification
2 45 (15.46%) CCNA
3 29 (9.97%) Microsoft Certification
4 28 (9.62%) CCNP
4 28 (9.62%) Degree
5 24 (8.25%) VMware Certified Professional (VCP)
6 20 (6.87%) CISSP
7 15 (5.15%) CCAA
7 15 (5.15%) Citrix Certification
7 15 (5.15%) MCSE
7 15 (5.15%) Security Cleared
8 14 (4.81%) MCP
9 11 (3.78%) SC Cleared
10 10 (3.44%) CCSA
10 10 (3.44%) MCSA
11 9 (3.09%) MCTS
12 8 (2.75%) CISM
13 6 (2.06%) CCSE
14 5 (1.72%) CCIE
15 3 (1.03%) ITIL Certification
Quality Assurance & Compliance
1 30 (10.31%) SLA
2 26 (8.93%) ISO/IEC 27001
3 16 (5.50%) PCI DSS
4 9 (3.09%) Cyber Essentials
4 9 (3.09%) Cyber Essentials PLUS
5 8 (2.75%) GDPR
6 3 (1.03%) Sarbanes-Oxley
System Software
1 104 (35.74%) Active Directory
2 76 (26.12%) VMware Infrastructure
3 73 (25.09%) Hyper-V
4 27 (9.28%) VMware ESXi
5 13 (4.47%) Terminal Services
6 7 (2.41%) Docker
6 7 (2.41%) XenApp
7 6 (2.06%) ProxySG
8 5 (1.72%) vSphere
8 5 (1.72%) XenDesktop
9 3 (1.03%) VMware NSX
10 2 (0.69%) Postfix
10 2 (0.69%) PowerDNS
11 1 (0.34%) Snort
Systems Management
1 13 (4.47%) WSUS
2 9 (3.09%) Backup Exec
3 8 (2.75%) Microsoft Intune
4 6 (2.06%) Opscode Chef
4 6 (2.06%) SCCM
5 5 (1.72%) Ansible
6 4 (1.37%) Docker Swarm
6 4 (1.37%) Kubernetes
6 4 (1.37%) Puppet
6 4 (1.37%) Symantec Endpoint Protection
7 3 (1.03%) Symantec Enterprise Vault
7 3 (1.03%) Terraform
7 3 (1.03%) vCenter Server
7 3 (1.03%) vRealize
8 2 (0.69%) Cacti
8 2 (0.69%) Nagios
8 2 (0.69%) Opsview
8 2 (0.69%) SCOM
8 2 (0.69%) ZABBIX
9 1 (0.34%) Norton AntiVirus
Vendors
1 124 (42.61%) Cisco
1 124 (42.61%) VMware
2 104 (35.74%) Microsoft
3 92 (31.62%) Citrix
4 50 (17.18%) CheckPoint
5 47 (16.15%) F5
6 42 (14.43%) HP
7 35 (12.03%) Juniper
8 34 (11.68%) Palo Alto
9 30 (10.31%) Fortinet
10 29 (9.97%) Blue Coat
11 27 (9.28%) Dell
12 22 (7.56%) SAP
13 21 (7.22%) Veeam
14 19 (6.53%) SonicWALL
15 18 (6.19%) Arista
16 17 (5.84%) Xerox
17 15 (5.15%) Cognos
17 15 (5.15%) IBM
18 13 (4.47%) Riverbed