Period
to 20 October 2017

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 20 October 2017 with a comparison to the same period in the previous 2 years.

Linux iptables
UK
6 months to
20 Oct 2017
Same period 2016 Same period 2015
Rank 1058 1123 1104
Rank change year-on-year +65 -19 +52
Permanent jobs citing iptables 134 105 211
As % of all permanent IT jobs advertised in the UK 0.077% 0.055% 0.096%
As % of the System Software category 0.59% 0.44% 0.84%
Number of salaries quoted 117 89 180
UK median annual salary £57,500 £55,000 £55,000
Median salary % change year-on-year +4.55% - +10.00%
10th Percentile £36,250 £34,750 £31,250
90th Percentile £80,000 £70,000 £75,000
UK excluding London median annual salary £37,750 £55,000 £36,250
% change year-on-year -31.36% +51.72% -19.44%

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 22782 23736 25029
As % of all permanent IT jobs advertised in the UK 13.08% 12.43% 11.41%
Number of salaries quoted 19180 19970 20854
UK median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% +0.05%
10th Percentile £23,750 £23,500 £22,750
90th Percentile £75,000 £71,250 £66,250
UK excluding London median annual salary £39,000 £37,500 £37,500
% change year-on-year +4.00% - +7.14%

iptables
Job Vacancy Trend

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

Job vacancy trend for iptables in the UK

iptables
Salary Trend

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

Salary trend for iptables in the UK

iptables
Salary Histogram

The salary distribution of IT jobs citing iptables over the 6 months to 20 October 2017.

Salary histogram for iptables in the UK

iptables
Top 10 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 20 October 2017. 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 +85 134 £57,500 +2.22% 2
London +74 88 £62,500 +8.70% 1
UK excluding London +37 46 £37,750 -31.36% 1
Yorkshire +60 31 £37,500 -
North of England +26 31 £37,500 -37.50%
South East +34 11 £45,000 -25.00%
Midlands +32 2 £31,750 -19.11%
East of England -10 2 £37,500 -28.57%
East Midlands +32 1 £26,000 -28.77%
West Midlands +21 1 £37,500 -10.71%

For the 6 months to 20 October 2017, IT jobs citing iptables 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 iptables.

1 132 (98.51%) Linux
2 68 (50.75%) Red Hat
3 64 (47.76%) Python
4 63 (47.01%) Bash Shell
5 62 (46.27%) Perl
5 62 (46.27%) DNS
6 49 (36.57%) Ruby
7 48 (35.82%) VPN
8 47 (35.07%) TCP/IP
8 47 (35.07%) Firewall
9 46 (34.33%) Ansible
10 44 (32.84%) VMware
10 44 (32.84%) Virtual Machines
11 42 (31.34%) BGP
11 42 (31.34%) VMware Infrastructure
12 41 (30.60%) Docker
13 39 (29.10%) Puppet
13 39 (29.10%) MySQL
14 38 (28.36%) Red Hat Enterprise Linux
14 38 (28.36%) Amazon AWS
15 37 (27.61%) CentOS
16 36 (26.87%) Opscode Chef
16 36 (26.87%) LDAP
17 35 (26.12%) NFS
18 34 (25.37%) Kubernetes
19 31 (23.13%) OSPF
20 30 (22.39%) Business Continuity
20 30 (22.39%) RIP
20 30 (22.39%) IGMP
20 30 (22.39%) DevOps

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 24 (17.91%) Apache
2 17 (12.69%) nginx
3 8 (5.97%) Tomcat
3 8 (5.97%) Traefik
4 5 (3.73%) Elasticsearch
5 3 (2.24%) WebSphere
6 2 (1.49%) ColdFusion
6 2 (1.49%) Confluence
6 2 (1.49%) IIS
6 2 (1.49%) Jetty
6 2 (1.49%) WordPress
7 1 (0.75%) SAS
Cloud Services
1 38 (28.36%) Amazon AWS
2 5 (3.73%) Microsoft Azure
3 2 (1.49%) SaaS
4 1 (0.75%) Amazon ELB
Communications & Networking
1 62 (46.27%) DNS
2 48 (35.82%) VPN
3 47 (35.07%) Firewall
3 47 (35.07%) TCP/IP
4 42 (31.34%) BGP
5 36 (26.87%) LDAP
6 31 (23.13%) OSPF
7 30 (22.39%) IGMP
7 30 (22.39%) Junos
7 30 (22.39%) RIP
8 21 (15.67%) SAN
9 19 (14.18%) Cisco ASA
10 16 (11.94%) HTTP
10 16 (11.94%) SSL
11 15 (11.19%) Reverse Proxy
12 14 (10.45%) Cisco Nexus
13 9 (6.72%) Internet
14 8 (5.97%) Broadband
15 7 (5.22%) DHCP
16 6 (4.48%) MPLS
Database & Business Intelligence
1 39 (29.10%) MySQL
2 19 (14.18%) PostgreSQL
3 10 (7.46%) MongoDB
4 8 (5.97%) Neo4j
4 8 (5.97%) SQL Server
5 7 (5.22%) InfluxDB
6 6 (4.48%) NoSQL
6 6 (4.48%) Relational Database
7 3 (2.24%) Redis
8 1 (0.75%) DB2
8 1 (0.75%) RDBMS
Development Applications
1 25 (18.66%) Git (software)
2 16 (11.94%) Jenkins
3 9 (6.72%) Sonatype Nexus
3 9 (6.72%) Subversion
4 8 (5.97%) GCC
5 6 (4.48%) Vagrant
6 5 (3.73%) TeamCity
7 3 (2.24%) Ant
7 3 (2.24%) JIRA
7 3 (2.24%) Maven
General
1 16 (11.94%) Telecoms
2 10 (7.46%) Finance
3 2 (1.49%) Marketing
4 1 (0.75%) Back Office
4 1 (0.75%) Electronics
4 1 (0.75%) Retail
Job Titles
1 50 (37.31%) Administrator
2 49 (36.57%) Systems Administrator
3 48 (35.82%) Linux Administrator
4 47 (35.07%) Linux Systems Administrator
5 34 (25.37%) Linux Engineer
6 23 (17.16%) Systems Engineer
7 20 (14.93%) Linux Systems Engineer
8 16 (11.94%) DevOps Engineer
9 12 (8.96%) Senior DevOps
9 12 (8.96%) Senior Linux Administrator
9 12 (8.96%) Senior Linux Systems Administrator
9 12 (8.96%) Senior Systems Administrator
10 11 (8.21%) Linux/Unix DevOps
11 10 (7.46%) DevOps Administrator
11 10 (7.46%) Security Engineer
11 10 (7.46%) Senior DevOps Engineer
11 10 (7.46%) Telecoms Engineer
12 9 (6.72%) Linux DevOps Administrator
13 7 (5.22%) Infrastructure Operations Specialist
13 7 (5.22%) Operations Engineer
Libraries, Frameworks & Software Standards
1 17 (12.69%) LAMP
2 8 (5.97%) Kafka
2 8 (5.97%) RESTful
3 4 (2.99%) LEMP Stack
4 2 (1.49%) Ajax
4 2 (1.49%) DOM
4 2 (1.49%) HornetQ
4 2 (1.49%) JMX
4 2 (1.49%) JSON
4 2 (1.49%) LAPP Stack
4 2 (1.49%) Node.js
4 2 (1.49%) Symfony
5 1 (0.75%) Elastic Stack
5 1 (0.75%) FreeSWITCH
5 1 (0.75%) JMS
5 1 (0.75%) Middleware
Miscellaneous
1 22 (16.42%) Clustering
2 15 (11.19%) Computer Science
3 9 (6.72%) Fintech
3 9 (6.72%) Replication
4 8 (5.97%) Data Centre
5 6 (4.48%) Device Driver
5 6 (4.48%) Public Cloud
6 5 (3.73%) Management Information System
7 2 (1.49%) Client/Server
7 2 (1.49%) iPad
7 2 (1.49%) Linux Command Line
8 1 (0.75%) Analytical Skills
8 1 (0.75%) Video on Demand
Operating Systems
1 132 (98.51%) Linux
2 38 (28.36%) Red Hat Enterprise Linux
3 37 (27.61%) CentOS
4 24 (17.91%) Windows
5 21 (15.67%) Debian
6 10 (7.46%) Mac OS X
6 10 (7.46%) Windows 7
7 7 (5.22%) Unix
8 5 (3.73%) Ubuntu
9 4 (2.99%) SUSE Linux Enterprise Server
10 2 (1.49%) CoreOS
11 1 (0.75%) Fedora
11 1 (0.75%) FreeNAS
11 1 (0.75%) Solaris
11 1 (0.75%) VyOS
11 1 (0.75%) Windows Server
Processes & Methodologies
1 30 (22.39%) Business Continuity
1 30 (22.39%) DevOps
2 29 (21.64%) Agile Software Development
2 29 (21.64%) Low Latency
3 24 (17.91%) Configuration Management
3 24 (17.91%) Test Automation
4 22 (16.42%) Disaster Recovery
5 21 (15.67%) High Availability
6 18 (13.43%) Load Balancing
7 17 (12.69%) Open Source
8 15 (11.19%) Continuous Integration
8 15 (11.19%) SOA
9 14 (10.45%) Build Automation
9 14 (10.45%) ITIL
10 12 (8.96%) Information Security
10 12 (8.96%) Infrastructure Monitoring
10 12 (8.96%) Performance Tuning
11 10 (7.46%) Kalman Filter
11 10 (7.46%) Microservices
11 10 (7.46%) Performance Monitoring
Programming Languages
1 64 (47.76%) Python
2 63 (47.01%) Bash Shell
3 62 (46.27%) Perl
4 49 (36.57%) Ruby
5 28 (20.90%) Shell Script
6 8 (5.97%) Go
7 7 (5.22%) SQL
8 5 (3.73%) Java
9 3 (2.24%) C++
9 3 (2.24%) PHP
10 1 (0.75%) C
10 1 (0.75%) Groovy
Qualifications
1 21 (15.67%) Degree
2 5 (3.73%) Computer Science Degree
3 3 (2.24%) DV Cleared
3 3 (2.24%) Security Cleared
4 2 (1.49%) ITIL Foundation Certificate
4 2 (1.49%) RHCE
5 1 (0.75%) CCNP
5 1 (0.75%) Cisco Certification
5 1 (0.75%) RHCA
5 1 (0.75%) RHCSA
Quality Assurance & Compliance
1 3 (2.24%) ISAE 3402
1 3 (2.24%) ISO/IEC 27001
1 3 (2.24%) SLA
1 3 (2.24%) SSAE 16
System Software
1 44 (32.84%) Virtual Machines
2 42 (31.34%) VMware Infrastructure
3 41 (30.60%) Docker
4 35 (26.12%) NFS
5 20 (14.93%) KVM
6 10 (7.46%) Varnish
6 10 (7.46%) XenServer
7 9 (6.72%) GlusterFS
8 8 (5.97%) Ceph
8 8 (5.97%) etcd
9 6 (4.48%) LXC
9 6 (4.48%) Xen
10 5 (3.73%) Active Directory
10 5 (3.73%) VMware ESXi
11 4 (2.99%) Samba
12 3 (2.24%) BIND 9
13 2 (1.49%) Hyper-V
13 2 (1.49%) Sendmail
13 2 (1.49%) Snort
13 2 (1.49%) vSphere
Systems Management
1 46 (34.33%) Ansible
2 39 (29.10%) Puppet
3 36 (26.87%) Opscode Chef
4 34 (25.37%) Kubernetes
5 29 (21.64%) SELinux
6 17 (12.69%) HAProxy
7 15 (11.19%) Grafana
8 13 (9.70%) Prometheus
9 12 (8.96%) Nagios
10 11 (8.21%) Cacti
10 11 (8.21%) Oracle ZFS
11 10 (7.46%) Salt
12 9 (6.72%) Terraform
13 7 (5.22%) Icinga
14 5 (3.73%) Consul
14 5 (3.73%) Graphite
14 5 (3.73%) SCCM
14 5 (3.73%) SCDPM
14 5 (3.73%) SCOM
15 4 (2.99%) Norton AntiVirus
Vendors
1 68 (50.75%) Red Hat
2 44 (32.84%) VMware
3 20 (14.93%) Cisco
3 20 (14.93%) Hitachi
4 15 (11.19%) Microsoft
5 10 (7.46%) Citrix
5 10 (7.46%) Vyatta
6 9 (6.72%) Rackspace
7 5 (3.73%) HP
7 5 (3.73%) Oracle
8 4 (2.99%) Sun
8 4 (2.99%) Symantec
9 3 (2.24%) F5
10 2 (1.49%) NetApp
10 2 (1.49%) Palo Alto
11 1 (0.75%) Avaya
11 1 (0.75%) CA Agile Central
11 1 (0.75%) Dell
11 1 (0.75%) EMC
11 1 (0.75%) Juniper