Period
to 23 July 2021

The following table provides summary statistics for permanent job vacancies with a requirement for iptables skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited iptables over the 6 months to 23 July 2021 with a comparison to the same period in the previous 2 years.

Linux iptables
UK
6 months to
23 Jul 2021
Same period 2020 Same period 2019
Rank 925 790 1034
Rank change year-on-year -135 +244 +90
Permanent jobs citing iptables 61 11 67
As % of all permanent jobs advertised in the UK 0.054% 0.015% 0.046%
As % of the System Software category 0.29% 0.087% 0.27%
Number of salaries quoted 48 7 58
10th Percentile £38,750 £23,500 £37,000
25th Percentile £41,250 £38,000 £37,500
Median annual salary (50th Percentile) £50,000 £60,000 £43,750
Median % change year-on-year -16.67% +37.14% -12.50%
75th Percentile £67,813 £75,000 £56,250
90th Percentile £72,500 £82,500 £62,500
UK excluding London median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -

iptables is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 20,974 12,700 24,638
As % of all permanent IT jobs advertised in the UK 18.55% 17.78% 17.02%
Number of salaries quoted 14,922 10,570 20,501
10th Percentile £29,750 £28,750 £25,750
25th Percentile £40,000 £37,945 £33,500
Median annual salary (50th Percentile) £55,000 £52,500 £50,000
Median % change year-on-year +4.76% +5.00% +5.26%
75th Percentile £75,000 £72,500 £70,000
90th Percentile £92,500 £87,500 £85,000
UK excluding London median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

iptables
Job Vacancy Trend

Job postings citing iptables as a proportion of all IT jobs advertised.

Job vacancy trend for iptables in the UK

iptables
Salary Trend

3-month moving average salary quoted in jobs citing iptables.

Salary trend for iptables in the UK

iptables
Salary Histogram

Salary distribution for jobs citing iptables over the 6 months to 23 July 2021.

Salary histogram for iptables in the UK

iptables
Top 11 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing iptables within the UK over the 6 months to 23 July 2021. 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
England -123 55 £57,500 -8.00% 13
London -90 35 £50,000 -16.67% 7
UK excluding London -104 26 £50,000 - 6
Work from Home -238 26 £65,000 +160.00% 4
South East -65 8 £70,000 -6.67% 2
Scotland -52 6 £42,500 +70.00%
North of England - 6 - -
North West - 6 - -
East of England -33 5 - - 2
Midlands - 1 £50,000 - 1
West Midlands - 1 £50,000 - 1

For the 6 months to 23 July 2021, IT jobs citing iptables also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for iptables.

1 61 (100.00%) Linux
2 39 (63.93%) Puppet
3 36 (59.02%) High Availability
3 36 (59.02%) Ansible
3 36 (59.02%) VPN
3 36 (59.02%) Firewall
4 34 (55.74%) Apache
5 33 (54.10%) nginx
6 32 (52.46%) DNS
7 29 (47.54%) ZABBIX
8 28 (45.90%) SNMP
8 28 (45.90%) BGP
9 26 (42.62%) DHCP
10 24 (39.34%) Configuration Management
10 24 (39.34%) Analytical Skills
11 22 (36.07%) Red Hat
11 22 (36.07%) Perl
11 22 (36.07%) PostgreSQL
12 21 (34.43%) CentOS
12 21 (34.43%) Bash Shell
13 20 (32.79%) Debian
13 20 (32.79%) Degree
13 20 (32.79%) Cisco
13 20 (32.79%) Microsoft
13 20 (32.79%) HP
13 20 (32.79%) Internet
14 19 (31.15%) Tomcat
14 19 (31.15%) Windows
14 19 (31.15%) Open Source
14 19 (31.15%) Postfix

iptables
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:

Application Platforms
1 34 (55.74%) Apache
2 33 (54.10%) nginx
3 19 (31.15%) Tomcat
4 18 (29.51%) IIS
5 14 (22.95%) Confluence
6 12 (19.67%) ejabberd
7 11 (18.03%) Elasticsearch
8 5 (8.20%) OpenEdge
9 2 (3.28%) JBoss
10 1 (1.64%) OpenStack
10 1 (1.64%) Traffic Server
Cloud Services
1 18 (29.51%) Amazon EC2
2 11 (18.03%) AWS
3 10 (16.39%) AWS Direct Connect
4 5 (8.20%) Azure
5 1 (1.64%) GitHub
Communications & Networking
1 36 (59.02%) Firewall
1 36 (59.02%) VPN
2 32 (52.46%) DNS
3 28 (45.90%) BGP
3 28 (45.90%) SNMP
4 26 (42.62%) DHCP
5 20 (32.79%) Internet
6 18 (29.51%) Broadband
6 18 (29.51%) Diameter Protocol
6 18 (29.51%) LAN
7 12 (19.67%) Asterisk PBX
7 12 (19.67%) PBX
8 11 (18.03%) IPsec
9 10 (16.39%) HTTPS
9 10 (16.39%) IPv6
9 10 (16.39%) Network Security
9 10 (16.39%) OpenVPN
10 9 (14.75%) SSL
11 8 (13.11%) VLAN
12 7 (11.48%) TCP/IP
Database & Business Intelligence
1 22 (36.07%) PostgreSQL
2 18 (29.51%) SQL Server
3 8 (13.11%) MariaDB
4 6 (9.84%) MySQL
5 2 (3.28%) RDBMS
5 2 (3.28%) Relational Database
6 1 (1.64%) ClickHouse
6 1 (1.64%) Oracle Database
Development Applications
1 14 (22.95%) JIRA
2 10 (16.39%) Git (software)
3 8 (13.11%) Jenkins
4 6 (9.84%) Artifactory
4 6 (9.84%) Bitbucket
4 6 (9.84%) ClearCase
4 6 (9.84%) ClearQuest
4 6 (9.84%) Redmine
4 6 (9.84%) SonarQube
4 6 (9.84%) Sonatype Nexus
4 6 (9.84%) Subversion
General
1 24 (39.34%) Analytical Skills
2 17 (27.87%) Organisational Skills
3 16 (26.23%) Telecoms
4 13 (21.31%) Games
5 3 (4.92%) Social Skills
6 2 (3.28%) Local Government
6 2 (3.28%) Public Sector
7 1 (1.64%) Marketing
Job Titles
1 22 (36.07%) Systems Engineer
2 17 (27.87%) Linux Engineer
3 16 (26.23%) Network Engineer
4 14 (22.95%) Principal Engineer
5 13 (21.31%) Network Systems Engineer
6 9 (14.75%) Linux Systems Engineer
7 7 (11.48%) Administrator
7 7 (11.48%) Linux Administrator
8 6 (9.84%) AWS Engineer
8 6 (9.84%) DBA
8 6 (9.84%) DevOps Engineer
8 6 (9.84%) Linux DevOps Engineer
8 6 (9.84%) Linux Support
8 6 (9.84%) Linux Support Engineer
8 6 (9.84%) Principal Systems Engineer
8 6 (9.84%) Support Engineer
8 6 (9.84%) VoIP Engineer
8 6 (9.84%) Wintel Engineer
8 6 (9.84%) Wintel Support
8 6 (9.84%) Wintel Support Engineer
Libraries, Frameworks & Software Standards
1 13 (21.31%) LAMP
1 13 (21.31%) LAPP Stack
2 12 (19.67%) XMPP
3 8 (13.11%) LEMP Stack
4 5 (8.20%) Middleware
5 1 (1.64%) ActiveMQ
5 1 (1.64%) cloud-init
5 1 (1.64%) Elastic Stack
5 1 (1.64%) libvirt
5 1 (1.64%) Web Services
Miscellaneous
1 18 (29.51%) Data Centre
2 8 (13.11%) Clustering
2 8 (13.11%) Distributed Denial-of-Service
3 6 (9.84%) HACMP
3 6 (9.84%) Management Information System
4 1 (1.64%) Linux Command Line
4 1 (1.64%) Mobile App
4 1 (1.64%) Private Cloud
Operating Systems
1 61 (100.00%) Linux
2 21 (34.43%) CentOS
3 20 (32.79%) Debian
4 19 (31.15%) Windows
5 11 (18.03%) Red Hat Enterprise Linux
6 6 (9.84%) HPUX
6 6 (9.84%) Oracle Linux
6 6 (9.84%) SUSE
7 3 (4.92%) Ubuntu
7 3 (4.92%) Unix
8 2 (3.28%) Solaris
Processes & Methodologies
1 36 (59.02%) High Availability
2 24 (39.34%) Configuration Management
3 19 (31.15%) Open Source
4 18 (29.51%) Architectural Design
4 18 (29.51%) Cost Reduction
4 18 (29.51%) Disaster Recovery
4 18 (29.51%) Load Balancing
4 18 (29.51%) Security Patching
5 14 (22.95%) Continuous Integration
6 12 (19.67%) Computer Science
6 12 (19.67%) DevOps
6 12 (19.67%) Penetration Testing
6 12 (19.67%) Risk Assessment
7 10 (16.39%) Inventory Management
7 10 (16.39%) OWASP
8 8 (13.11%) DDoS Mitigation
8 8 (13.11%) Deployment Automation
9 7 (11.48%) Problem Management
10 6 (9.84%) Data Migration
10 6 (9.84%) Service Management
Programming Languages
1 22 (36.07%) Perl
2 21 (34.43%) Bash Shell
3 15 (24.59%) PHP
4 13 (21.31%) C
4 13 (21.31%) Python
5 2 (3.28%) Ruby
5 2 (3.28%) Shell Script
6 1 (1.64%) C++
6 1 (1.64%) Java
6 1 (1.64%) PL/SQL
6 1 (1.64%) SQL
Qualifications
1 20 (32.79%) Degree
2 14 (22.95%) Security Cleared
3 12 (19.67%) Computer Science Degree
4 3 (4.92%) RHCSA
5 2 (3.28%) DBS Check
Quality Assurance & Compliance
1 2 (3.28%) ISO/IEC 27001
System Software
1 19 (31.15%) Postfix
2 18 (29.51%) KVM
2 18 (29.51%) QEMU
3 12 (19.67%) Kamailio
4 11 (18.03%) NFS
5 9 (14.75%) Virtual Machines
6 8 (13.11%) Active Directory
6 8 (13.11%) VMware Infrastructure
7 6 (9.84%) Veritas Cluster Server
8 5 (8.20%) Samba
9 4 (6.56%) Docker
10 2 (3.28%) Sendmail
11 1 (1.64%) LXC
11 1 (1.64%) pfSense
11 1 (1.64%) Squid
11 1 (1.64%) Terminal Services
11 1 (1.64%) Varnish
11 1 (1.64%) VirtualBox
11 1 (1.64%) Xen
Systems Management
1 39 (63.93%) Puppet
2 36 (59.02%) Ansible
3 29 (47.54%) ZABBIX
4 19 (31.15%) HAProxy
5 18 (29.51%) Galera Cluster
6 12 (19.67%) Grafana
7 10 (16.39%) Icinga
8 8 (13.11%) Failover Clustering
9 3 (4.92%) Opscode Chef
10 2 (3.28%) HP Data Protector
10 2 (3.28%) Nagios
10 2 (3.28%) Oracle Enterprise Manager
11 1 (1.64%) BMC Marimba
11 1 (1.64%) Cacti
11 1 (1.64%) Kubernetes
11 1 (1.64%) Prometheus
11 1 (1.64%) Salt
11 1 (1.64%) Terraform
Vendors
1 22 (36.07%) Red Hat
2 20 (32.79%) Cisco
2 20 (32.79%) HP
2 20 (32.79%) Microsoft
3 18 (29.51%) GENBAND
3 18 (29.51%) Juniper
3 18 (29.51%) Mitel
3 18 (29.51%) Percona
3 18 (29.51%) SonicWALL
4 14 (22.95%) Atlassian
5 12 (19.67%) IBM
5 12 (19.67%) Nortel
6 9 (14.75%) Oracle
7 8 (13.11%) VMware
8 6 (9.84%) Sun
9 5 (8.20%) Clearswift
9 5 (8.20%) Symantec
10 2 (3.28%) NEC
10 2 (3.28%) NetApp
10 2 (3.28%) Nokia