Senior System Administrator

Permanent contract|Dublin|Other job functions

Senior System Administrator

Dublin, Ireland Permanent contract Other job functions


Description of the Business Line or Department

Société Générale Securities Services (SGSS) is part of Global Banking & Investor Solutions (GBIS), a key pillar of Société Générale’s universal banking enterprise. It is among the top ten global custodians, and the 2nd largest in Europe, employing over 4,000 staff in 28 locations.

SGSS has been active in Ireland for 20 years and is a leading player in servicing Irish domiciled and offshore collective investment vehicles. We act as depositary for a wide range of international clients who manage UCITS, Alternative Investment Funds including private equity and real estate structures, hedge funds and special purpose investment vehicles. We can offer a full suite of Fund Administration and Transfer Agency Services through our sister company.

Our primary objective is to assist our clients achieve their investment objectives supported through our local and global custody service divisions.

Summary of the key purposes of the role

The Senior Systems Administrator reports to the local IT Director and is responsible for the administration, maintenance and improvement of the local network and the infrastructure. It is a hub and spoke setup with most IT systems hosted in France, but there is also on-premise infrastructure and disaster recovery site to maintain. It is a virtualised environment (VMWare) running mainly Windows 2012 and 2019 server and local applications which are hosted on SQL Servers.

The role is part of a small, friendly and dynamic IT team based in Dublin where there is opportunity to work on team projects and initiatives to bring innovation to the IT setup.

Summary of responsibilities 

Key Responsibilities:

  • Ensure that all workloads are available 24/7.
  • Support multiple layers of the infrastructure: systems, virtualization, storage and networks.
  • Carry out the infrastructure maintenance, updates and upgrades.
  • Maintain the replications and backups.
  • Maintain the Disaster Recovery site and arrange, carry out scheduled DR tests.
  • Identify resource constraints, monitor and optimize performances.
  • Improve the IT Security, identify and close the vulnerabilities.
  • Constantly look for improvements to best enhance infrastructure processes.
  • Automation of IT processes and upkeep of systems to ensure excellent security and reliability.
  • Write and maintain the documentation.
  • Collaborate with internal departments and IT support teams in other SG entities including Luxembourg, Paris and India.
  • Ensure compliance with ISAE 3402 control objectives.
  • Support desktop applications, Internet, mail services (Outlook 365).

Level of Autonomy and Authority

The successful candidate is expected to be able to operate on their own initiative however they will be fully supported in every aspect of their assigned tasks and responsibilities.

Profile required


  • Strong communication skills with an ability to deal with people at all levels of the organisations.
  • Excellent organisations skills, ensuring tasks are prioritised and deadlines met.
  • Good documentation skills for report writing, procedures etc.
  • Ability to use initiative with good problem-solving skills.
  • Apply a security conscious mindset to the maintenance of the infrastructure. Be knowledgeable of and apply industry standard security practices.

The stack:

  • Computer & storage: Dell VxRail, VMware ESXi, vCenter, vRops, RP4VM replication to DR, Veeam Backup.
  • Networking: Routing, switching and firewalling on Cisco equipment. Distribution and Access layers (Cisco 9300/3650, Dell EMC S4128F).
  • Systems: Microsoft 2012/2019 server, Microsoft SQL servers, Active Directory, DNS/DHCP, DFS, WSUS, Symantec SEPM, IIS, TFS/GIT, Linux CentOS, Windows 10 Desktops.
  • Network monitoring: PRTG.
  • Automation: Powershell, Ansible.


  • 5+ years IT Administration on a Windows network.
  • Experience of VMWare.
  • Experience of Cisco and OSI layers 1-4 administration.
  • Professional certifications such as MCSA, VCP, CCNP are distinct advantages.
  • Scripting experience such as PowerShell, Python, Bash.
  • Knowledge of Configuration management such as Ansible.
  • Knowledge of Disaster Recovery concepts.
  • Knowledge of backups setup and maintenance.
  • Knowledge of Storage concepts and Hyperconverged solutions such as VxRail.


  • Degree in Computer Science or related field.


Fluent English, proficient in both written and oral communication.

Why join us

People join for the impact they can have on us. They stay for the impact we have on them. A flatter structure offers visibility and exposure beyond that of our competitors, so you know our names, and we know yours. It's personable, human, and inspires success through passion. By encouraging open mindedness and a willingness to share ideas, we have adapted to market changes and thrived through innovation. Bringing words like “hard work” and “dedication” together with “community” and “respect” has enabled us to work collaboratively and build our future together. We call this Team Spirit and it's what makes us different. It's what makes you different.

Business insight

If you feel you have the required experience and qualifications, then please apply to the SG Resourcing Team, and we will manage your application. At Société Générale, we believe our people are our strength and are core to the success of our business. As such, we search for, recruit and appoint the best available person on the basis of aptitude and ability, regardless of sex, marital or civil partnership status, race, colour, nationality, ethnic or national origins, pregnancy, disability, age, sexual orientation, religion, belief or gender reassignment.

We are an equal opportunities employer and we are proud to make diversity a strength for our company. Societe Generale is committed to recognizing and promoting all talents, regardless of their beliefs, age, disability, parental status, ethnic origin, nationality, sexual or gender identity, sexual orientation, membership of a political, religious, trade union or minority organisation, or any other characteristic that could be subject to discrimination.

Reference: 210003VI
Starting date: 2021/04/08
Publication date: 2021/02/08