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Citco logo

Senior IT Security Analyst

CitcoCorkToday
Cork

Description

Senior IT Security Analyst

Cork, Co. Cork, Ireland

Job Description

POSITION DESCRIPTION: 

This position calls for a Microsoft / Linux Engineer with broad infrastructure and information technology expertise. Responsibilities include engineering and maintaining an enterprise class hybrid-cloud infrastructure. The position is within the IT security department and will be part of the internal CSIRT; position will be involved in Cyber Security incident investigations as needed.

ORGANIZATIONAL RELATIONS: 

This position is within the IT Security group, which is responsible for overseeing information security within Citco.

Responsibilities

PRINCIPAL ACCOUNTABILITIES:

  • Ability to install, configure and troubleshoot Active Directory and DNS, as well as skills necessary for Group Policy and Active Directory Security solutions.
  • Implement, monitor, and maintain Active Directory design, Schema, OU design, AD replication topology, and DC backup/restore procedures.
  • Assist Security Architects in the development, design, build, and deploy Cloud solutions in accordance with Security best practices.
  • Assist in creating cloud-based infrastructure and programs including implementing identity and access management and configuring cloud environments securely.
  • Assist in the development and implementation of security controls for various cloud infrastructure providers.
  • Develop scripts and automation to scale and accelerate the implementation and audit of security configurations, risks, and assessments.
  • Keeping cloud infrastructure current, making recommendations, and continually improving cloud security technologies.
  • Troubleshoot incidents, identify root causes, fix and document problems, and implement preventive measures.
  • Working with internal departments across the organization to continually improve cyber resilience.
  • Develop and maintain documentation and diagrams for security tools, system environments, and cloud operations.
  • Experience working with an enterprise class change management process to include ticket-oriented applications.
  • Performing other related duties incidental to the work described herein

Qualifications

EDUCATION, EXPERIENCE & SKILLS: 

  • Minimum of 3 years’ experience in an enterprise scale cloud security environments 
  • Minimum of 5 years’ experience with both Linux and Windows environments
  • Good understanding of Linux and Windows security
  • Proficiency with scripting languages, and Infrastructure as Code (IaC) (e.g. Bash, Python, PowerShell)
  • Excellent written communication skills in the creation of research, guidance, procedural, and support documentation.
  • Excellent verbal communication skills working with team members and other support partners.
  • Strong critical thinking and problem-solving ability
  • Ability to handle multiple, complex, and competing priorities and projects in a high pressure and fast paced environment
  • Familiarity with DevOps methodologies and tools (Docker, Ansible, Terraform)
  • Relevant certifications are required (RHCSA, AWS Solutions Architect, Azure Security, MCSE)

 

 

WHAT WE OFFER: 

We offer a challenging job in a growing international company, an opportunity to expand your business knowledge by working with prestigious clients and complex financial and technological instruments, and a friendly and fast-paced environment. Additionally, Citco is proud to offer our employees competitive compensation, vacation and health insurance benefits.

Job Info

  • Job Identification 7394
  • Job Category Information Systems & Technology
  • Posting Date 27/06/2025, 11:08
  • Job Schedule Full time
  • Locations Tellengana House, Cork, IE