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 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

Firewall
East of England / Hertfordshire
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 40 37 33
Rank change year-on-year -3 -4  
Permanent jobs citing Firewall 124 130 199
As % of all permanent IT jobs advertised in Hertfordshire 5.96% 5.69% 6.97%
As % of the Communications & Networking category 32.12% 28.32% 28.15%
Number of salaries quoted 92 100 117
Median salary £50,000 £42,500 £45,000
Median salary % change year-on-year +17.64% -5.55%  
90% offered a salary of more than £25,000 £25,750 £25,200
10% offered a salary of more than £72,500 £64,125 £62,500
UK excluding London median salary £42,500 £42,000 £42,000
% change year-on-year +1.19% -  

Firewall is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Hertfordshire
Permanent job vacancies with a requirement for communications and computer networking skills 386 459 707
As % of all permanent IT job vacancies advertised in Hertfordshire 18.57% 20.08% 24.76%
Number of salaries quoted 1244 1466 1301
Median salary £50,000 £44,500 £43,000
Median salary % change year-on-year +12.35% +3.48%  
90% offered a salary of more than £25,000 £25,750 £26,250
10% offered a salary of more than £72,500 £61,250 £60,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

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 3 months to 28 June 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 3 months to 28 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +5 34 £30,750 -27.64% 1
Hemel Hempstead +1 24 £50,000 +21.95% 3
Hatfield -1 11 £55,000 - 2
St Albans +4 9 £25,000 -64.28%
Welwyn Garden City -16 9 £32,000 -36.94% 4
Cheshunt - 4 £37,000 -
Hertford - 3 £57,500 -
Rickmansworth +9 1 £36,500 -43.84%
Firewall
East of England

For the 6 months to 28 June 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.

1 109 (48.66%) Windows
2 106 (47.32%) Cisco
3 92 (41.07%) WAN
4 90 (40.18%) LAN
5 85 (37.95%) Active Directory
6 81 (36.16%) DNS
7 78 (34.82%) ITIL
8 76 (33.93%) VPN
8 76 (33.93%) Microsoft
8 76 (33.93%) VMware
9 72 (32.14%) Windows Server
10 70 (31.25%) Citrix
11 69 (30.80%) DHCP
12 67 (29.91%) Cisco Certification
13 64 (28.57%) Office 365
14 60 (26.79%) MS Exchange
15 58 (25.89%) VMware Infrastructure
16 56 (25.00%) Data Centre
17 49 (21.88%) CheckPoint
18 46 (20.54%) CCNA
18 46 (20.54%) Microsoft Office
19 45 (20.09%) TCP/IP
20 44 (19.64%) MPLS
20 44 (19.64%) VLAN
20 44 (19.64%) Windows Server 2008
21 40 (17.86%) SLA
22 38 (16.96%) Linux
22 38 (16.96%) Windows 7
23 36 (16.07%) SQL
24 35 (15.63%) E-Commerce

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 60 (26.79%) MS Exchange
2 29 (12.95%) Skype for Business
3 20 (8.93%) Exchange Server 2010
4 19 (8.48%) SharePoint
5 16 (7.14%) Exchange Server 2013
6 6 (2.68%) CMS
6 6 (2.68%) IIS
7 4 (1.79%) Exchange Server 2007
7 4 (1.79%) GlassFish
7 4 (1.79%) JBoss
7 4 (1.79%) MQSeries
7 4 (1.79%) OpenStack
7 4 (1.79%) Oracle SOA Suite
7 4 (1.79%) WebLogic
7 4 (1.79%) WebSphere
8 2 (0.89%) Confluence
8 2 (0.89%) Tomcat
9 1 (0.45%) Apache
9 1 (0.45%) Elasticsearch
9 1 (0.45%) Office Communications Server
Applications
1 46 (20.54%) Microsoft Office
2 4 (1.79%) Microsoft Excel
3 2 (0.89%) SOLIDWORKS
Business Applications
1 4 (1.79%) Dynamics NAV
2 2 (0.89%) Dynamics CRM
2 2 (0.89%) Sage 200
2 2 (0.89%) SAP CRM
3 1 (0.45%) Dynamics AX
3 1 (0.45%) Magento
Cloud Services
1 64 (28.57%) Office 365
2 31 (13.84%) Amazon AWS
2 31 (13.84%) Microsoft Azure
3 17 (7.59%) PaaS
4 16 (7.14%) AWS CloudFormation
5 14 (6.25%) Cloud Computing
5 14 (6.25%) Virtual Private Cloud
6 12 (5.36%) Amazon CloudWatch
6 12 (5.36%) Amazon EC2
6 12 (5.36%) Amazon Glacier
6 12 (5.36%) Amazon S3
6 12 (5.36%) Amazon SQS
6 12 (5.36%) AWS CloudTrail
7 7 (3.13%) SaaS
8 6 (2.68%) IaaS
9 5 (2.23%) Akamai
10 4 (1.79%) Mimecast
11 2 (0.89%) GitHub
Communications & Networking
1 92 (41.07%) WAN
2 90 (40.18%) LAN
3 81 (36.16%) DNS
4 76 (33.93%) VPN
5 69 (30.80%) DHCP
6 45 (20.09%) TCP/IP
7 44 (19.64%) MPLS
7 44 (19.64%) VLAN
8 34 (15.18%) BGP
8 34 (15.18%) Network Security
9 32 (14.29%) VoIP
9 32 (14.29%) Wi-Fi
10 30 (13.39%) Cisco ASA
10 30 (13.39%) Wireless
11 28 (12.50%) NetScaler
12 27 (12.05%) SAN
13 25 (11.16%) OSPF
14 23 (10.27%) HTTP
15 21 (9.38%) Cisco IOS
16 19 (8.48%) Skype
Database & Business Intelligence
1 27 (12.05%) SQL Server
2 18 (8.04%) Amazon RDS
3 13 (5.80%) SQL Server 2008
4 3 (1.34%) DB2
4 3 (1.34%) MySQL
5 2 (0.89%) Big Data
5 2 (0.89%) Data Warehouse
5 2 (0.89%) NoSQL
5 2 (0.89%) PostgreSQL
6 1 (0.45%) SQL Server 2012
6 1 (0.45%) SQL Server Reporting Services
Development Applications
1 6 (2.68%) VSS/SourceSafe
2 2 (0.89%) Jenkins
2 2 (0.89%) JIRA
3 1 (0.45%) Ant
3 1 (0.45%) Git (software)
3 1 (0.45%) Subversion
3 1 (0.45%) Visual Studio
General
1 28 (12.50%) Telecoms
2 23 (10.27%) Retail
3 13 (5.80%) Advertising
4 12 (5.36%) Games
5 10 (4.46%) Finance
6 6 (2.68%) Back Office
6 6 (2.68%) Military
7 3 (1.34%) Marketing
8 2 (0.89%) French Language
8 2 (0.89%) German Language
8 2 (0.89%) Law
8 2 (0.89%) Swedish Language
9 1 (0.45%) Automotive
9 1 (0.45%) Legal
9 1 (0.45%) Pharmaceutical
Job Titles
1 46 (20.54%) Network Engineer
2 42 (18.75%) Support Engineer
3 32 (14.29%) 3rd Line Engineer
4 30 (13.39%) Senior Network Engineer
5 28 (12.50%) Active Directory Support
6 25 (11.16%) Architect
7 24 (10.71%) Analyst
8 22 (9.82%) Infrastructure Engineer
9 20 (8.93%) Cisco Engineer
9 20 (8.93%) Office 365 Engineer
10 19 (8.48%) 3rd Line Support
10 19 (8.48%) Help Desk Support
10 19 (8.48%) IT Engineer
10 19 (8.48%) IT Support
11 18 (8.04%) Administrator
11 18 (8.04%) Infrastructure Support
12 17 (7.59%) 2nd Line Support
12 17 (7.59%) 3rd Line Infrastructure Engineer
12 17 (7.59%) 3rd Line Infrastructure Support
13 16 (7.14%) Active Directory Support Engineer
Libraries, Frameworks & Software Standards
1 16 (7.14%) HTML
2 11 (4.91%) XML
3 10 (4.46%) Web Services
4 6 (2.68%) POSIX
5 5 (2.23%) ActiveMQ
6 4 (1.79%) EJB
6 4 (1.79%) EJB 3.0
6 4 (1.79%) HornetQ
6 4 (1.79%) Java EE
6 4 (1.79%) Java SE
6 4 (1.79%) JMS
6 4 (1.79%) Middleware
6 4 (1.79%) WebSphere MQ
7 2 (0.89%) .NET
8 1 (0.45%) LAPP Stack
8 1 (0.45%) SOAP
8 1 (0.45%) YAML
Miscellaneous
1 56 (25.00%) Data Centre
2 18 (8.04%) Analytical Skills
3 12 (5.36%) Replication
4 10 (4.46%) Fat Client
4 10 (4.46%) Thin Client
5 8 (3.57%) Management Information System
6 7 (3.13%) Driving Licence
7 6 (2.68%) Hybrid Cloud
7 6 (2.68%) Public Cloud
8 5 (2.23%) Greenfield Project
9 4 (1.79%) Data Protection Act
9 4 (1.79%) Linux Command Line
9 4 (1.79%) Security Operations Centre
9 4 (1.79%) User Experience
10 3 (1.34%) Cyber Attack
10 3 (1.34%) EPoS
11 2 (0.89%) CCTV
11 2 (0.89%) Computer Science
11 2 (0.89%) iPad
11 2 (0.89%) Virtual Team
Operating Systems
1 109 (48.66%) Windows
2 72 (32.14%) Windows Server
3 44 (19.64%) Windows Server 2008
4 38 (16.96%) Linux
4 38 (16.96%) Windows 7
5 33 (14.73%) Windows Server 2012
6 19 (8.48%) Windows Server 2003
7 16 (7.14%) Red Hat Enterprise Linux
8 12 (5.36%) Windows 10
9 8 (3.57%) Mac OS X
9 8 (3.57%) Unix
10 4 (1.79%) Mac OS
11 3 (1.34%) Windows Mobile
12 2 (0.89%) Android
12 2 (0.89%) Kali Linux
13 1 (0.45%) AIX
13 1 (0.45%) Windows Phone
Processes & Methodologies
1 78 (34.82%) ITIL
2 35 (15.63%) E-Commerce
3 31 (13.84%) Problem Management
4 21 (9.38%) Change Management
4 21 (9.38%) Mentoring
5 19 (8.48%) Incident Management
5 19 (8.48%) Information Security
6 18 (8.04%) Disaster Recovery
7 16 (7.14%) Asset Management
7 16 (7.14%) Change Control
7 16 (7.14%) Project Management
8 15 (6.70%) Coaching
9 14 (6.25%) Migration
9 14 (6.25%) SIEM
10 12 (5.36%) ITIL V3
10 12 (5.36%) Kalman Filter
11 10 (4.46%) Presales
12 9 (4.02%) Configuration Management
12 9 (4.02%) Service Delivery
12 9 (4.02%) TOGAF
Programming Languages
1 36 (16.07%) SQL
2 18 (8.04%) PowerShell
3 13 (5.80%) VBScript
4 10 (4.46%) Java
5 7 (3.13%) C
6 6 (2.68%) Bash Shell
6 6 (2.68%) Python
7 4 (1.79%) AWK
7 4 (1.79%) Ruby
7 4 (1.79%) Shell Script
7 4 (1.79%) VB
8 3 (1.34%) Perl
9 2 (0.89%) C#
9 2 (0.89%) C++
9 2 (0.89%) Go
9 2 (0.89%) VB.NET
10 1 (0.45%) PHP
Qualifications
1 67 (29.91%) Cisco Certification
2 46 (20.54%) CCNA
3 35 (15.63%) Degree
4 34 (15.18%) CCNP
5 29 (12.95%) Security Cleared
6 27 (12.05%) Microsoft Certification
7 18 (8.04%) MCP
7 18 (8.04%) VMware Certified Professional (VCP)
8 17 (7.59%) CISSP
8 17 (7.59%) MCSE
9 16 (7.14%) BC Cleared
10 13 (5.80%) MCSA
10 13 (5.80%) SC Cleared
11 12 (5.36%) CCAA
11 12 (5.36%) Citrix Certification
11 12 (5.36%) ITIL Certification
12 9 (4.02%) CCIE
12 9 (4.02%) MCTS
13 6 (2.68%) Master's Degree
14 5 (2.23%) Computer Science Degree
Quality Assurance & Compliance
1 40 (17.86%) SLA
2 18 (8.04%) PCI DSS
3 16 (7.14%) ISO/IEC 27001
4 4 (1.79%) Cyber Essentials
4 4 (1.79%) Cyber Essentials PLUS
4 4 (1.79%) GPG13
4 4 (1.79%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 1 (0.45%) Sarbanes-Oxley
System Software
1 85 (37.95%) Active Directory
2 58 (25.89%) VMware Infrastructure
3 35 (15.63%) Hyper-V
4 21 (9.38%) VMware ESXi
5 15 (6.70%) Terminal Services
6 11 (4.91%) XenApp
7 5 (2.23%) vSphere
7 5 (2.23%) XenDesktop
8 1 (0.45%) Virtual Machines
8 1 (0.45%) VMware Workstation
Systems Management
1 13 (5.80%) WSUS
2 8 (3.57%) Backup Exec
3 7 (3.13%) Opscode Chef
3 7 (3.13%) SCCM
4 6 (2.68%) Puppet
5 3 (1.34%) Ansible
5 3 (1.34%) Host Intrusion Detection System
5 3 (1.34%) vCenter Server
5 3 (1.34%) XenMobile
6 2 (0.89%) FortiGate
6 2 (0.89%) Symantec Endpoint Protection
6 2 (0.89%) Symantec Enterprise Vault
6 2 (0.89%) Terraform
7 1 (0.45%) Cisco CUCM
7 1 (0.45%) Cisco UCCX
7 1 (0.45%) SCOM
Vendors
1 106 (47.32%) Cisco
2 76 (33.93%) Microsoft
2 76 (33.93%) VMware
3 70 (31.25%) Citrix
4 49 (21.88%) CheckPoint
5 30 (13.39%) Palo Alto
6 24 (10.71%) HP
7 21 (9.38%) Fortinet
8 19 (8.48%) F5
9 15 (6.70%) Juniper
9 15 (6.70%) SonicWALL
10 13 (5.80%) Arista
11 12 (5.36%) Meraki
12 11 (4.91%) Dell
12 11 (4.91%) Oracle
13 10 (4.46%) Veeam
14 9 (4.02%) Apple
14 9 (4.02%) NetApp
14 9 (4.02%) SAP
14 9 (4.02%) SolarWinds
Stevenage, Hertfordshire
Understanding Recruitment
Salary: £35000 - £42000 per annum
Posted: 1 hour ago
Watford, Hertfordshire
FT Select
Salary: From £25,000 to £30,000 per annum plus car, bonus and benefits
Posted: 2 days ago
Hemel Hempstead, Hertfordshire
HAYS INFORMATION TECHNOLOGY
Salary: £27000.00 - £35000.00 per annum
Posted: Yesterday
Welwyn Garden City, Hertfordshire
RecruitmentRevolution.com Limited
Salary: From £30,000 to £37,000 per annum Dependent on Experience
Posted: 23 hours ago
Hemel Hempstead, Hertfordshire
Ping IT Recruitment ltd
Salary: From £40,000 to £50,000 per annum
Posted: 2 days ago
Hatfield, Hertfordshire
JM
Salary: £50000 - £65000 per annum + benefits, bonus
Posted: 2 days ago
Welwyn Garden City, Hertfordshire
Bulletproof
Salary: From £23,000 to £25,000 per annum dependent on experience
Posted: 2 days ago
Hemel Hempstead, Hertfordshire
Kcom Group Plc
Salary: £40000 - £42000 per annum
Posted: 5 days ago
Welwyn Garden City
Tesco PLC
Salary: Competitive
Posted: 15 days ago
Welwyn Garden City
Tesco PLC
Salary: Competitive
Posted: 15 days ago
Potters Bar
Recruitment Genius Ltd
Salary: £28000 - £35000 per annum
Posted: 27 days ago
Potters Bar
Recruitment Genius Ltd
Salary: £33000 - £40000 per annum
Posted: 27 days ago
Hatfield, Hertfordshire
Computacenter
Salary: Benefits
Posted: 19 days ago