Mainframe Security and Systems SME, Dublin

Date: 28 Mar 2024

Location: Dublin, IE, IE

Company: Allied Irish Bank

Role:                   Mainframe Security and Systems SME


Location:            Central Park, Sandyford, Dublin 18.


This role is being offered on a permanent, full-time basis.


Technology at AIB

At AIB, we understand that the world of banking is changing, and new technology is making that happen. Our technology is at the centre of our ambition to be the leading digital bank and we want to be recognised as having the best technology function of any bank in Europe.


Our teams work hard to drive the engine of AIB. They deliver change that is customer focused and helping us achieve our ambition of becoming a leading consumer brand. We are evolving our technology so our customers can engage with us in ways and at times that suit them.


We are building pioneering solutions for our customers in a very collaborative and innovative environment. The teams based in our new Digital Hub in Central Park have the responsibility for delivering ambitious business strategic roadmap.


About the Role:

Reporting to the Mainframe security Manager, the successful candidate will be involved in securing and assurance of AIB’s Mainframe and HP Nonstop technology through Access and Authentication software, Network security and encryption. The role is part of a wider team who manage and maintain AIB’s Z server, Storage and HP Nonstop environments, and will also involve keeping abreast of latest industry security standards and software tools.  


Key responsibilities include:


  • Administer ruleset around authentication and access controls.
  • Administer SSL certificates, key management, and Mainframe related encryption.
  • Automation of Security assurance and attestation though the use of Mainframe Security tools and scripting. 
  • Willingness to provide out of hours support on the team Rota. 


You will need to show us that you can/have:


  • Collaboration: Works cooperatively with others across the organisation to achieve shared objectives.
  • Customer Focus: Establishes and maintains effective customer relationships.
  • Troubleshooting: Gathers pertinent information about a problem by recognising underlying issues, analysing data and patterns, and identifying the root cause.
  • Operational Excellence: Identifies improvements that impact the quality of products, services and processes.
  • Technical Leadership: Stays abreast of developments in domain area of expertise, providing thought leadership and insights. 
  • Capacity Planning


What you will bring:


  • At least 7 years’ experience as a systems administrator and/or Mainframe systems experience.
  • Some Mainframe experience desirable (RACF,TSO, ISPF, SDSF, JCL) but not essential. 
  • Understanding of Access Controls, Encryption, TLS protocols, Ciphers would be an advantage but not essential. 
  • We are looking for someone who is highly motivated with the ability to work on own initiative.
  • You are a team player displaying ability to work with others within and outside the team. Someone with a strong interest in Technology with the ability to pick up new skills quickly. 


Life at AIB


At AIB, we have a clear purpose - Empowering people to build a sustainable future. We want to be at the heart of our customers’ financial lives by giving them an exceptional experience. That goes for our employees too. We are building a culture that breaks the conventions of what our customer and employees expect of a bank.


We are committed to offering our colleagues choice and flexibility in how we work and live.  Our hybrid working model enables our people to balance their time between working from home and their designated office, subject to their role, the needs of our customers and business requirements.  More details on our hybrid working arrangements and expected office attendance for your role will be provided to you during the recruitment process.


AIB is an equal opportunities employer, and we pride ourselves on being the first bank in Ireland to receive the Investors in Diversity Gold Standard accreditation from the Irish Centre for Diversity. We celebrate diversity and believe in a culture of inclusion where all our employees can succeed. We welcome applications from people of diverse backgrounds and abilities. We are committed to providing reasonable accommodations for applicants and employees. Should you have a reasonable accommodation request please email the Talent Acquisition team at


If you feel you have what it takes, click apply and fill in the online application form. If you would like more information please contact the Talent Acquisition Team at



By when?  Closing date is Friday 19th April 2024.



Unsolicited CV’s sent to AIB by Recruitment Agencies will not be accepted for this position. AIB operates a direct sourcing model and where agency assistance is required, the Talent Acquisition team will engage directly with our recruitment partners.

Job Segment: Recruiting, Mainframe, Bank, Banking, Network Security, Human Resources, Technology, Finance, Security