Security Engineer – Cyber Defence

BoyleSports

Senior Cyber Security Engineer in the Cyber Defence team protecting BoyleSports against active threats. Designing, writing, and tuning detection capabilities while collaborating with various teams.

Posted 5/28/2026full-timeDundalk • 🇮🇪 IrelandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSPython

About the role

Key responsibilities & impact

Design, write, test and tune detections across various platforms.
Run structured threat hunts against recent incidents and attacker tradecraft.
Stand on the bridge during P1 and P2 incidents.
Build and maintain SOAR playbooks.
Be the team’s primary technical interface to the Palo Alto managed SOC.
Work with offensive security partners to run purple-team exercises.

Requirements

What you’ll need

Demonstrable hands-on experience as a SOC analyst (senior / tier 3), detection engineer, threat hunter or incident responder.
Strong working knowledge of at least one major SIEM/XDR platform and the query language behind it.
Practical experience investigating in AWS — CloudTrail, GuardDuty, VPC flow logs, EKS audit logs, IAM analysis.
Scripting competence in Python or an equivalent.
Solid grounding in MITRE ATT&CK, the diamond model and a structured approach to investigation.
Calm under pressure.
Experience in online gambling, payments, financial services or another high-volume consumer environment is strongly preferred.
Practitioner certifications such as GCIA, GCIH, GCFA, GNFA, BTL1 or equivalent are valued.

Benefits

Comp & perks

Health insurance
Professional development opportunities

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

SOC analystdetection engineerthreat hunterincident responderSIEMXDRAWSPythonMITRE ATT&CKinvestigation

Soft Skills

calm under pressure

Certifications

GCIAGCIHGCFAGNFABTL1