Job description Both contract (6mths) OR permanent will be considered Can be based either in Melbourne OR Sydney - onsite work is essential Must be an Australian Citizen Only candidates that are able to gain or currently hold a current Australian Federal Government Security Clearance at Baseline will be considered for this role Due to our clients continuous growth, an opening for a Mainframe Security professional to support multiple clients has become available Responsibilities: Work effectively with the Regional and Global Security team Adhere to both customer and corporate standards and responsibilities Participate in the creation of documentation such as process and procedural documentation Take the lead in developing process improvement Administers security policies to control access to systems Work on complex issues where analysis of situations or data requires an in-depth evaluation of variable factors Participate in vendor and platform upgrades Management of SSL Certificates in Mainframe environment Complete cyclic compliance activities Perform ACF2/RACF application and agency level access control to meet access management business requirements to ensure compliance with industry and federal government security standards Available for off-hours escalations as 2nd and 3rd tier of on-call support Serve as a technical liaison and subject matter expert in business interactions Provide 'level 3' support and problem management guidance for the platform team and escalate issues to vendors/manufacturers for technical support as needed Participate in audits Skills & Qualifications: Proven experience in Cyber Security, including experience in Mainframe security Strong knowledge in ACF2/RACF security Architecture Sound knowledge of Unix in z/OS Sound working knowledge of NetMaster/MAI and SOLVE Experience with JCL, SAS, Clist and/or REXX Experience with CICS/IMS/DB2/MQ a plus Understanding of ADABAS Knowledge of CONTROLM processes Experience in Mainframe certificate management Experience in upgrades Experience with working with Auditors - specifically SOX AND SOC1 Working knowledge of Ticketing Systems - preference is SNOW The candidate should be comfortable with the Microsoft Office suite of tools; Excel experience is essential Understanding of Essential 8 standards Relevant Information Security certification (CISSP/CCNA) To be considered for the role click the 'apply' button or for more information about this and other opportunities please contact Gizaille Shaheen on or email: and quote the above job reference number.