Period
to 26 October 2021

The following table provides summary statistics for permanent job vacancies advertised in London 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 26 October 2021 with a comparison to the same period in the previous 2 years.

Linux iptables
England > London
6 months to
26 Oct 2021
Same period 2020 Same period 2019
Rank 700 - 727
Rank change year-on-year - +727 +37
Permanent jobs citing iptables 20 0 17
As % of all permanent jobs advertised in London 0.039% - 0.031%
As % of the System Software category 0.21% - 0.18%
Number of salaries quoted 20 0 17
10th Percentile £49,750 " £36,000
25th Percentile £50,938 " £37,500
Median annual salary (50th Percentile) £61,250 - £45,000
75th Percentile £68,750 " £67,500
90th Percentile £72,500 " £71,500
England median annual salary £61,250 £50,000 £45,000
% change year-on-year +22.50% +11.11% -18.18%

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 advertised in London with a requirement for system software skills.

All System Software Skills
London
Permanent vacancies with a requirement for system software skills 9,631 3,767 9,579
As % of all permanent IT jobs advertised in London 18.95% 18.98% 17.63%
Number of salaries quoted 6,134 3,313 8,051
10th Percentile £36,250 £40,400 £29,500
25th Percentile £52,500 £51,250 £42,500
Median annual salary (50th Percentile) £70,000 £70,000 £65,000
Median % change year-on-year - +7.69% +8.33%
75th Percentile £90,000 £85,000 £82,500
90th Percentile £110,000 £100,000 £95,000
England median annual salary £57,500 £55,000 £50,000
% change year-on-year +4.55% +10.00% -

iptables
Job Vacancy Trend in London

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

Job vacancy trend for iptables in London

iptables
Salary Trend in London

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

Salary trend for iptables in London

iptables
Salary Histogram in London

Salary distribution for jobs citing iptables in London over the 6 months to 26 October 2021.

Salary histogram for iptables in London

iptables
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing iptables within the London region over the 6 months to 26 October 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
Central London - 1 £52,500 - 2
iptables
England

For the 6 months to 26 October 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 across the London region with a requirement for iptables.

1 20 (100.00%) Linux
2 16 (80.00%) VPN
3 15 (75.00%) DNS
4 14 (70.00%) High Availability
4 14 (70.00%) Ansible
5 13 (65.00%) Puppet
5 13 (65.00%) CentOS
5 13 (65.00%) Red Hat
5 13 (65.00%) DHCP
6 12 (60.00%) Broadband
6 12 (60.00%) Disaster Recovery
6 12 (60.00%) Amazon EC2
6 12 (60.00%) Security Patching
7 11 (55.00%) nginx
7 11 (55.00%) Apache
7 11 (55.00%) Python
8 10 (50.00%) PostgreSQL
9 9 (45.00%) AWS
10 8 (40.00%) MariaDB
10 8 (40.00%) Confluence
10 8 (40.00%) JIRA
10 8 (40.00%) Atlassian
10 8 (40.00%) VLAN
10 8 (40.00%) LAMP
10 8 (40.00%) Clustering
10 8 (40.00%) Configuration Management
10 8 (40.00%) Active Directory
10 8 (40.00%) SSL
10 8 (40.00%) LEMP Stack
10 8 (40.00%) LAPP Stack

iptables
Co-occurring IT Skills in London 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 11 (55.00%) Apache
1 11 (55.00%) nginx
2 8 (40.00%) Confluence
3 4 (20.00%) Elasticsearch
4 2 (10.00%) IIS
4 2 (10.00%) Oracle Workflow
4 2 (10.00%) Tomcat
5 1 (5.00%) OpenStack
5 1 (5.00%) Traffic Server
Cloud Services
1 12 (60.00%) Amazon EC2
2 9 (45.00%) AWS
3 7 (35.00%) Azure
4 4 (20.00%) AWS Direct Connect
Communications & Networking
1 16 (80.00%) VPN
2 15 (75.00%) DNS
3 13 (65.00%) DHCP
4 12 (60.00%) Broadband
5 8 (40.00%) SSL
5 8 (40.00%) VLAN
6 6 (30.00%) BGP
6 6 (30.00%) IPsec
6 6 (30.00%) SNMP
7 5 (25.00%) Firewall
8 4 (20.00%) HTTPS
8 4 (20.00%) IPv6
8 4 (20.00%) OpenVPN
8 4 (20.00%) TCP/IP
9 3 (15.00%) MPLS
9 3 (15.00%) OSPF
10 2 (10.00%) Diameter Protocol
10 2 (10.00%) Internet
10 2 (10.00%) LAN
10 2 (10.00%) VoIP
Database & Business Intelligence
1 10 (50.00%) PostgreSQL
2 8 (40.00%) MariaDB
3 2 (10.00%) SQL Server
4 1 (5.00%) ClickHouse
Development Applications
1 8 (40.00%) JIRA
2 4 (20.00%) Git (software)
3 1 (5.00%) Jenkins
General
1 6 (30.00%) Telecoms
2 2 (10.00%) Documentation Skills
2 2 (10.00%) Social Skills
3 1 (5.00%) Analytical Skills
3 1 (5.00%) Organisational Skills
Job Titles
1 10 (50.00%) Systems Engineer
2 9 (45.00%) Linux Engineer
2 9 (45.00%) Linux Systems Engineer
3 5 (25.00%) IT Engineer
3 5 (25.00%) Principal Engineer
4 4 (20.00%) AWS DevOps
4 4 (20.00%) AWS DevOps Engineer
4 4 (20.00%) AWS Engineer
4 4 (20.00%) Cloud Engineer
4 4 (20.00%) DBA
4 4 (20.00%) DevOps Engineer
4 4 (20.00%) DevOps Systems Engineer
4 4 (20.00%) Linux DevOps Engineer
4 4 (20.00%) Linux/Unix DevOps
4 4 (20.00%) Principal Systems Engineer
5 2 (10.00%) Infrastructure Support
5 2 (10.00%) Network Engineer
5 2 (10.00%) Remote Support Analyst
5 2 (10.00%) Support Analyst
5 2 (10.00%) VoIP Engineer
Libraries, Frameworks & Software Standards
1 8 (40.00%) LAMP
1 8 (40.00%) LAPP Stack
1 8 (40.00%) LEMP Stack
2 1 (5.00%) cloud-init
2 1 (5.00%) Elastic Stack
2 1 (5.00%) libvirt
Miscellaneous
1 8 (40.00%) Clustering
2 2 (10.00%) Data Centre
3 1 (5.00%) Distributed Denial-of-Service
3 1 (5.00%) Mobile App
3 1 (5.00%) Private Cloud
Operating Systems
1 20 (100.00%) Linux
2 13 (65.00%) CentOS
3 5 (25.00%) Red Hat Enterprise Linux
4 4 (20.00%) Windows
5 3 (15.00%) Unix
6 2 (10.00%) Debian
6 2 (10.00%) Solaris
6 2 (10.00%) Windows Server
Processes & Methodologies
1 14 (70.00%) High Availability
2 12 (60.00%) Disaster Recovery
2 12 (60.00%) Security Patching
3 8 (40.00%) Configuration Management
4 7 (35.00%) Agile Software Development
5 4 (20.00%) DevOps
5 4 (20.00%) Inventory Management
5 4 (20.00%) OWASP
6 3 (15.00%) Open Source
7 2 (10.00%) Change Management
7 2 (10.00%) Computer Science
7 2 (10.00%) Cost Reduction
7 2 (10.00%) Incident Management
7 2 (10.00%) ITIL
7 2 (10.00%) ITSM
7 2 (10.00%) Load Balancing
7 2 (10.00%) Network Management
7 2 (10.00%) Problem Management
7 2 (10.00%) Root Cause Analysis
7 2 (10.00%) Workflow
Programming Languages
1 11 (55.00%) Python
2 4 (20.00%) Perl
3 2 (10.00%) PowerShell
4 1 (5.00%) Bash Shell
4 1 (5.00%) PHP
4 1 (5.00%) Shell Script
Qualifications
1 3 (15.00%) RHCSA
2 2 (10.00%) Degree
Quality Assurance & Compliance
1 2 (10.00%) SLA
System Software
1 8 (40.00%) Active Directory
2 2 (10.00%) KVM
2 2 (10.00%) NFS
2 2 (10.00%) QEMU
3 1 (5.00%) Docker
3 1 (5.00%) LXC
3 1 (5.00%) Squid
3 1 (5.00%) Varnish
3 1 (5.00%) Virtual Machines
3 1 (5.00%) VMware Infrastructure
3 1 (5.00%) Xen
Systems Management
1 14 (70.00%) Ansible
2 13 (65.00%) Puppet
3 8 (40.00%) Failover Clustering
4 6 (30.00%) ZABBIX
5 5 (25.00%) Grafana
6 4 (20.00%) Icinga
7 3 (15.00%) HAProxy
8 2 (10.00%) Galera Cluster
8 2 (10.00%) Red Hat Spacewalk
9 1 (5.00%) Nagios
9 1 (5.00%) Opscode Chef
9 1 (5.00%) Prometheus
9 1 (5.00%) Salt
9 1 (5.00%) Terraform
Vendors
1 13 (65.00%) Red Hat
2 8 (40.00%) Atlassian
3 4 (20.00%) Cisco
3 4 (20.00%) Google
3 4 (20.00%) Microsoft
4 2 (10.00%) GENBAND
4 2 (10.00%) HP
4 2 (10.00%) Juniper
4 2 (10.00%) Mitel
4 2 (10.00%) Oracle
4 2 (10.00%) Percona
4 2 (10.00%) ServiceNow
4 2 (10.00%) SonicWALL
5 1 (5.00%) VMware