Period
to 21 January 2018

The following table provides summary statistics for permanent job vacancies with a requirement for X.21 skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited X.21 over the 6 months to 21 January 2018 with a comparison to the same period in the previous 2 years.

X.21
UK
6 months to
21 Jan 2018
Same period 2017 Same period 2016
Rank 1174 - 1272
Rank change year-on-year - +1272 +22
Permanent jobs citing X.21 5 0 12
As % of all permanent IT jobs advertised in the UK 0.003% - 0.006%
As % of the Communications & Networking category 0.019% - 0.035%
Number of salaries quoted 1 0 12
UK median annual salary £42,500 - £27,500
10th Percentile £38,750 - £26,250
90th Percentile £46,250 - £33,750
UK excluding London median annual salary £42,500 - £27,500

X.21 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 with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 26,074 29,436 34,413
As % of all permanent IT jobs advertised in the UK 15.17% 16.73% 16.52%
Number of salaries quoted 21,151 23,924 28,589
UK median annual salary £45,000 £45,000 £45,000
10th Percentile £25,750 £25,913 £25,000
90th Percentile £72,500 £72,500 £71,250
UK excluding London median annual salary £40,000 £40,000 £40,000

X.21
Job Vacancy Trend

Job postings citing X.21 as a percentage of all IT jobs advertised.

Job vacancy trend for X.21 in the UK

X.21
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing X.21.

Salary trend for X.21 in the UK

X.21
Top 3 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing X.21 within the UK over the 6 months to 21 January 2018. 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
South East - 5 £42,500 -
England - 5 £42,500 - 10
UK excluding London - 5 £42,500 - 10

For the 6 months to 21 January 2018, IT jobs citing X.21 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.21.

1 5 (100.00%) ITIL
1 5 (100.00%) WAN
1 5 (100.00%) Ethernet
1 5 (100.00%) PPP
1 5 (100.00%) SNMP
1 5 (100.00%) Cisco
1 5 (100.00%) CCNA
1 5 (100.00%) Cisco Certification
1 5 (100.00%) MPLS
1 5 (100.00%) OSPF
1 5 (100.00%) BGP
1 5 (100.00%) DSL
1 5 (100.00%) L2TP
1 5 (100.00%) Change Management
1 5 (100.00%) Firewall
1 5 (100.00%) ITSM
1 5 (100.00%) IPsec
1 5 (100.00%) xDSL
1 5 (100.00%) Network Management
2 1 (20.00%) Logistics
2 1 (20.00%) Service Delivery

X.21
Co-occurring 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:

Communications & Networking
1 5 (100.00%) BGP
1 5 (100.00%) DSL
1 5 (100.00%) Ethernet
1 5 (100.00%) Firewall
1 5 (100.00%) IPsec
1 5 (100.00%) L2TP
1 5 (100.00%) MPLS
1 5 (100.00%) OSPF
1 5 (100.00%) PPP
1 5 (100.00%) SNMP
1 5 (100.00%) WAN
1 5 (100.00%) xDSL
Job Titles
1 5 (100.00%) Network Engineer
1 5 (100.00%) Network Operations Engineer
1 5 (100.00%) NOC Engineer
1 5 (100.00%) Operations Engineer
Processes & Methodologies
1 5 (100.00%) Change Management
1 5 (100.00%) ITIL
1 5 (100.00%) ITSM
1 5 (100.00%) Network Management
2 1 (20.00%) Logistics
2 1 (20.00%) Service Delivery
Qualifications
1 5 (100.00%) CCNA
1 5 (100.00%) Cisco Certification
Vendors
1 5 (100.00%) Cisco