Job Description :
The position requires strong hands on expertise in Unix security.   Ability to rapidly assess security of new technology after a short learning curve, and ability to constructively engage with other senior and architect level colleagues. Good communication is an essential

Technical Skills/Requirements:

Unix & Linux Security: Hands on expert knowledge in hardening Unix systems. 
Knowledge  in securing COTS and open source typically used in infrastructure management systems e.g. Apache, Tomcat
Knowledge of Host Based Security controls such as HIDS, IPTables, Security logging, Runtime file integrity 
Knowledge of infrastructure automation components such as Ansible, Satellite, Puppet
Fundamentals of IP Networking & Network Security
Knowledge of SSL and PKI
Authentication mechnaisms - SSL, Kerberos, Multi-factor Auth, LDAP based authentication, Unix PAM