Overview
Senior IT Security Analyst – Cork, Ireland
Location:
Cork, Co.
Cork, Ireland
Employment Type:
Full-time
About the Role:
We're seeking a
Senior IT Security Analyst
with a strong background in
Microsoft and Linux engineering
to join a leading global financial services organization.
This is an exciting opportunity to play a key role within the
IT Security department
, helping design, build, and maintain a secure, enterprise-class hybrid-cloud infrastructure.
You'll also contribute to the organization's
Cyber Security Incident Response Team (CSIRT)
and support investigations when required.
Key Responsibilities
Install, configure, and troubleshoot
Active Directory
and
DNS
, including managing
Group Policy
and
Active Directory Security
solutions.
Implement and maintain
Active Directory design
, schema, OU structures, replication topologies, and DC backup/restore processes.
Support
Security Architects
in the design, deployment, and maintenance of
secure cloud solutions
aligned with best practices.
Build and configure
cloud-based infrastructure
with a focus on
identity and access management
and secure configuration.
Develop and apply
security controls
across multiple cloud providers.
Automate and script security processes to accelerate configuration audits, risk assessments, and remediation activities.
Keep cloud infrastructure up to date and proactively recommend improvements to enhance security posture.
Investigate and resolve security incidents, document findings, and implement preventive measures.
Collaborate across internal teams to strengthen
cyber resilience
and security awareness.
Maintain
documentation and diagrams
for systems, tools, and operational processes.
Follow enterprise
change management
procedures and ticketing processes.
Perform other related duties as required.
About You
3+ years'
experience in enterprise-scale
cloud security environments
.
5+ years'
experience with both
Linux and Windows
environments.
Solid understanding of
operating system security
and hardening practices.
Proficiency in
scripting and automation
(Bash, Python, PowerShell) and familiarity with
Infrastructure as Code (IaC)
.
Strong communication skills—both written (documentation, procedures) and verbal (team collaboration).
Excellent
problem-solving
and
critical-thinking
abilities.
Comfortable managing multiple complex projects in a fast-paced environment.
Familiarity with
DevOps tools and methodologies
(Docker, Ansible, Terraform).
Relevant certifications such as
RHCSA, AWS Solutions Architect, Azure Security, or MCSE
are highly desirable.
Why Apply?
You'll join a collaborative, forward-thinking technology team that values innovation, security excellence, and professional growth.
This role offers the chance to work on enterprise-scale projects within a secure hybrid-cloud environment—while contributing directly to the organization's global security initiatives.
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