The table below looks at the statistics for X.21 skills in IT jobs advertised across the UK. Included is a guide to the salaries offered in IT jobs that have cited X.21 over the 3 months to 19 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
19 Jan 2017
Same period 2016 Same period 2015
X.21
UK
Rank - 938 934
Permanent jobs citing X.21 0 9 9
As % of all permanent IT jobs located in the UK - 0.009% 0.009%
As % of the Communications & Networking category - 0.054% 0.048%
Number of salaries quoted 0 9 9
Median salary - £27,500 £46,250
Median salary % change year-on-year
- -40.54%
UK excluding London median salary - £27,500 £46,250
% change year-on-year
- -40.54%

The following table is for comparison with the above and provides statistics for the entire Communications & Networking category in permanent jobs advertised across the UK.

Communications & Networking Category
UK
Permanent IT job ads with a match in the
Communications & Networking category
14078 16773 18893
As % of all permanent IT jobs located in the UK 16.77% 16.75% 18.00%
Number of salaries quoted 11489 13935 15340
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £27,500 £27,500 £27,000
10% offered a salary of more than £70,000 £65,000 £67,500
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

X.21
Jobs Demand Trend

The demand trend of job ads citing X.21 as a proportion of all IT jobs with a match in the Communications & Networking category.

X.21 Jobs Demand Trend 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 within the UK.

X.21 Salary Trend in the UK

X.21
Top 19 Related IT Skills

For the 6 months to 19 January 2017, 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 1 (100.00%) ITIL
1 1 (100.00%) WAN
1 1 (100.00%) Ethernet
1 1 (100.00%) PPP
1 1 (100.00%) SNMP
1 1 (100.00%) Cisco
1 1 (100.00%) CCNA
1 1 (100.00%) Cisco Certification
1 1 (100.00%) MPLS
1 1 (100.00%) OSPF
1 1 (100.00%) BGP
1 1 (100.00%) DSL
1 1 (100.00%) L2TP
1 1 (100.00%) Change Management
1 1 (100.00%) Firewall
1 1 (100.00%) ITSM
1 1 (100.00%) IPsec
1 1 (100.00%) xDSL
1 1 (100.00%) Network Management

X.21
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:

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