The following table provides summary statistics for permanent job vacancies with a requirement for X.25 skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited X.25 over the 3 months to 27 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
X.25
UK
Rank 852 940 948
Rank change year-on-year +88 +8  
Permanent jobs citing X.25 12 9 3
As % of all permanent IT jobs advertised in the UK 0.014% 0.009% 0.003%
As % of the Communications & Networking category 0.089% 0.050% 0.015%
Number of salaries quoted 12 7 3
Median salary £45,000 £38,500 £70,000
Median salary % change year-on-year +16.88% -45.00%  
UK excluding London median salary £45,000 £38,500 £70,000
% change year-on-year +16.88% -45.00%  

X.25 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 with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
UK
Permanent job vacancies with a requirement for communications and computer networking skills 13525 17875 19834
As % of all permanent IT job vacancies advertised in the UK 15.99% 17.29% 18.36%
Number of salaries quoted 11020 14776 15811
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £27,000 £27,500 £27,500
10% offered a salary of more than £67,500 £70,000 £65,000
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

X.25
Job Vacancy Trend

The job posting trend of jobs advertised citing X.25 as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for X.25 in the UK

X.25
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing X.25.

Salary trend for X.25 in the UK

X.25
Salary Histogram

The salary distribution of IT jobs citing X.25 over the 3 months to 27 March 2017.

Salary histogram for X.25 in the UK

X.25
Top 9 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing X.25 within the UK over the 3 months to 27 March 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
England +94 12 £45,000 +16.88%
South East +69 6 £31,500 -18.18%
West Midlands - 6 £45,000 -
Herefordshire - 6 £45,000 -
Surrey +43 5 £31,500 -18.18%
Woking +8 5 £31,500 -18.18%
Hereford - 2 £45,000 -
Hampshire +23 1 £50,000 +33.33%
Fleet -3 1 £50,000 +33.33%

X.25
Top 30 Related IT Skills

For the 6 months to 27 March 2017, IT jobs citing X.25 also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for X.25.

1 33 (94.29%) LAN
1 33 (94.29%) WAN
2 27 (77.14%) PSTN
2 27 (77.14%) ISDN
2 27 (77.14%) Firewall
3 26 (74.29%) ADSL
3 26 (74.29%) DHCP
3 26 (74.29%) DNS
3 26 (74.29%) Cisco
3 26 (74.29%) MPLS
3 26 (74.29%) HSRP
4 25 (71.43%) PCI DSS
4 25 (71.43%) 802.1X
5 23 (65.71%) ITIL
6 22 (62.86%) Driving Licence
6 22 (62.86%) Data Centre
7 21 (60.00%) TCP/IP
8 16 (45.71%) SSL
8 16 (45.71%) IPsec
9 15 (42.86%) SNMP
9 15 (42.86%) Network Management
10 14 (40.00%) F5
10 14 (40.00%) Cisco Nexus
10 14 (40.00%) Load Balancing
10 14 (40.00%) Ethernet
10 14 (40.00%) Windows
10 14 (40.00%) ICMP
10 14 (40.00%) Information Security
11 13 (37.14%) GCIH
11 13 (37.14%) GAP Analysis

X.25
Top Related IT Skills 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:

Applications
1 2 (5.71%) MS Excel
Cloud Services
1 1 (2.86%) SaaS
Communications & Networking
1 33 (94.29%) LAN
1 33 (94.29%) WAN
2 27 (77.14%) Firewall
2 27 (77.14%) ISDN
2 27 (77.14%) PSTN
3 26 (74.29%) ADSL
3 26 (74.29%) DHCP
3 26 (74.29%) DNS
3 26 (74.29%) HSRP
3 26 (74.29%) MPLS
4 21 (60.00%) TCP/IP
5 16 (45.71%) IPsec
5 16 (45.71%) SSL
6 15 (42.86%) SNMP
7 14 (40.00%) Cisco Nexus
7 14 (40.00%) Ethernet
7 14 (40.00%) ICMP
8 13 (37.14%) Network Security
9 12 (34.29%) Cisco ASA
9 12 (34.29%) DMVPN
General
1 11 (31.43%) Finance
2 1 (2.86%) Marketing
2 1 (2.86%) Retail
2 1 (2.86%) Telecoms
Job Titles
1 26 (74.29%) Network Engineer
2 13 (37.14%) Cisco Engineer
2 13 (37.14%) Cisco Network Engineer
3 10 (28.57%) Cisco Security Engineer
3 10 (28.57%) Network Security Engineer
3 10 (28.57%) Security Engineer
3 10 (28.57%) Switch Engineer
4 6 (17.14%) Administrator
4 6 (17.14%) Systems Administrator
5 1 (2.86%) Analyst
5 1 (2.86%) Data Analyst
5 1 (2.86%) Data Centre Engineer
5 1 (2.86%) Head of IT
5 1 (2.86%) Infrastructure Engineer
5 1 (2.86%) IT Services Manager
5 1 (2.86%) Network Infrastructure Engineer
5 1 (2.86%) Senior Infrastructure Engineer
5 1 (2.86%) Senior Network Engineer
5 1 (2.86%) Senior Systems Administrator
5 1 (2.86%) Technical Analyst
Libraries, Frameworks & Software Standards
1 25 (71.43%) 802.1X
Miscellaneous
1 22 (62.86%) Data Centre
1 22 (62.86%) Driving Licence
2 12 (34.29%) Management Information System
3 1 (2.86%) Analytical Skills
3 1 (2.86%) APACS
3 1 (2.86%) Blackberry
3 1 (2.86%) Chip and PIN
3 1 (2.86%) EMV
3 1 (2.86%) iPhone
3 1 (2.86%) Mainframe
3 1 (2.86%) Tandem
Operating Systems
1 14 (40.00%) Windows
2 7 (20.00%) Linux
3 1 (2.86%) Windows Server 2003
3 1 (2.86%) Windows Server 2008
3 1 (2.86%) Windows Server 2012
3 1 (2.86%) Windows XP
Processes & Methodologies
1 23 (65.71%) ITIL
2 15 (42.86%) Network Management
3 14 (40.00%) Information Security
3 14 (40.00%) Load Balancing
4 13 (37.14%) GAP Analysis
4 13 (37.14%) Information Assurance
4 13 (37.14%) SIEM
5 12 (34.29%) Penetration Testing
5 12 (34.29%) Risk Management
5 12 (34.29%) Technical Architecture
5 12 (34.29%) Vulnerability Management
6 11 (31.43%) B2B
6 11 (31.43%) Change Management
6 11 (31.43%) Line Management
6 11 (31.43%) Security Operations
7 7 (20.00%) Security Patching
8 2 (5.71%) Coaching
8 2 (5.71%) Computer Security
8 2 (5.71%) Problem Management
8 2 (5.71%) Project Management
Qualifications
1 13 (37.14%) CCNA
1 13 (37.14%) Cisco Certification
1 13 (37.14%) GCIH
1 13 (37.14%) GIAC
2 12 (34.29%) CCNP
3 10 (28.57%) SC Cleared
3 10 (28.57%) Security Cleared
4 1 (2.86%) Degree
Quality Assurance & Compliance
1 25 (71.43%) PCI DSS
2 8 (22.86%) SLA
3 1 (2.86%) ISO/IEC 27001
System Software
1 13 (37.14%) Firmware
2 1 (2.86%) Active Directory
2 1 (2.86%) VMware Infrastructure
Vendors
1 26 (74.29%) Cisco
2 14 (40.00%) F5
3 12 (34.29%) Cyberoam
4 9 (25.71%) Microsoft
5 2 (5.71%) VMware
6 1 (2.86%) LANDesk