Find Senior principal engineer Jobs

Senior Cyber Security Engineer
BoyleSports —Dundalk, County Louth
- Full-time
- AWS
- No degree
- Python
11d
Principal Software Engineer, AWS Lambda
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Computer Science
- AWS
- C++
Principal Cloud & Kubernetes Engineer
InterSystems —Dublin, County Dublin
- Azure
- DevOps
- AWS
Senior Data Analytics Engineer
Spanish Point Technologies —Clontarf, County Dublin
- Spanish
- Azure
- Computer Science
Senior Staff Software Engineer/Architect - Runtime Engineer
Qualcomm —Cork, County Cork
- Doctoral degree
- Computer Science
- Engineering
- Employee stock purchase plan
Senior Project Manager
EMR Integrated Solutions —Dunboyne, County Meath
- €65,487–€68,761 a year
- Full-time
- Hybrid work
- Engineering
- Project management
- Bachelor's degree
Quick apply
Principal Platform Engineer
ACI Worldwide —Limerick, County Limerick
- Full-time
- Azure
- Computer Science
- Java
Principal Industrial Designer
Logitech —Cork, County Cork
- Full-time
- CAD
- Bachelor's degree
- In-person
- Work from home
Principal Mechanical Engineer
Tetra Tech —Dublin, County Dublin
- Part-time
- Manufacturing
- Leadership
- Communication skills
Senior Cost Engineer
Turner & Townsend —Dublin, County Dublin
- Full-time
- Data analysis skills
- Analysis skills
- Project management
- Annual leave
Quick apply
Senior Test Engineer
Medtronic —Galway, County Galway
- €64,640–€96,960 a year
- Full-time
- Microsoft Excel
- Doctoral degree
- Master's degree
Level 3 Senior Network Engineer
ICON Plc —Dublin, County Dublin
- Full-time
- Azure
- AWS
- Analysis skills
Principal Information Security Engineer - Blockchain Technology
Mastercard —Dublin, County Dublin
- Full-time
- Computer Science
- Bachelor's degree
- No degree
Senior Resident Engineer
DBFL Consulting Engineers —Dublin, County Dublin
- Full-time
- AutoCAD
- English
- Microsoft Office
- Annual leave
Quick apply
Principal Project Engineer
Abbott Laboratories —Kilkenny, County Kilkenny
- Full-time
- Management
- Engineering
- Analysis skills
Operations Manager
Vertiv —Bun na hAbhann, County Donegal
- Engineering
- Bachelor's degree
- Continuous improvement
Senior Systems Engineer
Innalabs —DUBLIN 15, County Dublin
- Full-time
- Engineering
- Data analysis skills
- System design
- Free parking
- Annual leave
Quick apply
Senior Software Safety Engineer
AeroVect —Dublin, County Dublin
- €160,000–€180,000 a year
- Full-time
- Remote
- Computer Science
- Engineering
- Master's degree
3h
Principal Consultant (EIA) - Naas
WSP —Naas, County Kildare
- Part-time
- Hybrid work
- Business development
- No degree
- Mentoring
- Work from home
- Gym membership
Senior System Safety Engineer
AeroVect —Dublin, County Dublin
- Full-time
- Remote
- Computer Science
- Engineering
- Master's degree
3h

I want to receive the latest job alerts for senior principal engineer

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

senior principal engineer jobs near

Cloud Engineer jobs in Dublin, County Dublin

Cost Engineer jobs in Dublin, County Dublin

Platform Engineer jobs in Limerick, County Limerick

Senior Network Engineer jobs in Dublin, County Dublin

Principal Software Engineer jobs in Dublin, County Dublin

Mechanical Engineer jobs in Dublin, County Dublin

Industrial Designer jobs in Cork, County Cork

Cloud Engineer jobs in Cork, County Cork

Cloud Engineer jobs in Ireland Remote

Junior Site Engineer jobs in Dublin, County Dublin

Cloud Engineer jobs in Limerick, County Limerick

Engineer jobs in Dublin, County Dublin

Principal Software Engineer jobs in Cork, County Cork

Principal Software Engineer jobs in Galway, County Galway

Engineer jobs in County Galway

Part Time It Support Engineer jobs in Dublin, County Dublin

Staff Software Engineer jobs in Carrigtwohill, County Cork

Software Developer jobs in County Donegal

Automation Engineer jobs in County Limerick

Staff Software Engineer jobs in County Dublin

Senior Cyber Security Engineer

BoyleSports -
Dundalk, County Louth

Apply Now

Job details

Full-time
11 days ago

Qualifications

AWS
SoC
Splunk
WAN
SIEM
JSON
Python
Intune

Full job description

Job Title: Senior Cyber Security Engineer

Location: Dundalk HQ or Ireland Remote (With occasional requirement to attend Dundalk HQ)

Department: Product & Technology — Cyber Security

Reports to: Head of Cybersecurity

Job type: Full time. On-call rotation.

Role purpose

The Security Engineer in the Cyber Defence team is the senior hands-on defender working alongside the Head of Cybersecurity. They build, tune and operate the detection and response capability that protects BoyleSports against active threat. They write detections, run hunts, investigate alerts that the MSSP escalates, and stand on the bridge during incidents.

This is an engineering role inside the Cyber function. It is distinct from the Security Engineers in the CCoE, who build platform security capability. This role builds defensive capability — the rules, automations, integrations and tooling that let BoyleSports see and stop attacks.

Key responsibilities

Detection engineering

Design, write, test and tune detections across Cortex XDR / XSIAM, cloud telemetry (AWS CloudTrail, GuardDuty, EKS audit logs), identity telemetry (Entra ID, on-premises AD), endpoint, network and application logs.

Treat detections as code. Version-control rules, peer-review changes, write tests, measure coverage against MITRE ATT&CK, and retire detections that no longer earn their keep.

Own log onboarding and parsing for new sources. Work with platform and application engineering teams to make sure new services produce useful telemetry on day one, not retro-fitted six months later.

Threat hunting and investigation

Run structured threat hunts against hypotheses derived from threat intelligence, recent incidents and attacker tradecraft relevant to online gambling (account takeover, bonus abuse-adjacent fraud rings, payments-targeted intrusion, ransomware operator TTPs).

Lead deep-dive investigations on alerts escalated from the Palo Alto MSSP. Determine root cause and full scope before handing back for containment.

Document findings well enough that the next analyst, six months later, can pick up the trail.

Incident response

Stand on the bridge during P1 and P2 incidents. Drive containment and eradication actions personally, in concert with platform, infrastructure and product engineering teams.

Own the technical timeline, the indicators of compromise, the evidence trail and the artefacts needed for regulator notification and post-incident review.

Deputise for the Head of Cybersecurity as Incident Commander when required.

Automation and SOAR

Build and maintain SOAR playbooks. Automate the repetitive parts of triage, enrichment, containment and notification so the team’s attention goes to the parts that need a human.

Integrate detection and response tooling with the wider stack — ticketing, chat, identity, cloud control planes — using clean, supportable code.

MSSP partnership

Be the team’s primary technical interface to the Palo Alto managed SOC. Review their detections, challenge their analysis, give feedback that improves quality, and escalate when it doesn’t.

Run regular detection and response exercises with the MSSP. Make sure playbooks survive contact with reality.

Purple teaming and validation

Work with offensive security partners to run purple-team exercises. Translate red findings into hardened detections and tested response procedures.

Use breach-and-attack-simulation tooling to continuously validate detection coverage.

Experience and qualifications

Required

Demonstrable hands-on experience as a SOC analyst (senior / tier 3), detection engineer, threat hunter or incident responder. Candidates must be able to talk in concrete terms about detections they have written, hunts they have led, and incidents they have worked.

Strong working knowledge of at least one major SIEM/XDR platform and the query language behind it. Palo Alto Cortex XDR / XSIAM and XQL are ideal. Splunk, Sentinel, Elastic or Chronicle backgrounds are entirely acceptable provided the candidate can clearly cross over.

Practical experience investigating in AWS — CloudTrail, GuardDuty, VPC flow logs, EKS audit logs, IAM analysis. Comfortable reading JSON event data and reasoning about API-call chains.

Scripting competence in Python or an equivalent — enough to parse evidence, write SOAR steps, and build small tools without waiting for someone else.

Solid grounding in MITRE ATT&CK, the diamond model and a structured approach to investigation. Able to write a clear incident timeline.

Calm under pressure. Comfortable on a bridge call at 03:00.

Strongly preferred

Experience in online gambling, payments, financial services or another high-volume consumer environment with active fraud and account takeover pressure.

Exposure to retail or distributed-endpoint estates (point-of-sale-like devices, SD-WAN, Intune-managed fleets).

Experience working with or inside an outsourced SOC arrangement.

Certifications and education

Practitioner certifications such as GCIA, GCIH, GCFA, GNFA, BTL1 or equivalent are valued. Vendor certifications in the relevant detection stack are a plus.

A relevant degree is welcome but not required.

Company

BOYLE Sports is an international sports betting and gaming company, with an extensive online business and retail portfolio. Founded by John Boyle in 1982, the Irish family-owned firm has grown to become Ireland’s largest and most successful independently-owned bookmaker and has over 390 shops across Ireland and the UK. Its Head Office is located on the outskirts of Dundalk in the Republic of Ireland and the company currently employs over 2,700 employees across Ireland, the UK and Gibraltar. BOYLE Sports offers a world class betting and gaming experience with a ‘Customer First’ approach, committed to bringing customers closer to the action. Its mission is boosted by a rich sponsorship portfolio – the company is a proud principal sponsor of West Ham United Football Club and it stays at the heart of the action all year round by backing some of sport’s most prestigious events, including the Irish Grand National, the Irish Greyhound Derby and the World Grand Prix of Darts.

Apply Now

Refine Your Search

senior principal engineer jobs

Senior Cyber Security Engineer

Principal Software Engineer, AWS Lambda

Principal Cloud & Kubernetes Engineer

Senior Data Analytics Engineer

Senior Staff Software Engineer/Architect - Runtime Engineer

Senior Project Manager

Principal Platform Engineer

Principal Industrial Designer

Principal Mechanical Engineer

Senior Cost Engineer

Senior Test Engineer

Level 3 Senior Network Engineer

Principal Information Security Engineer - Blockchain Technology

Senior Resident Engineer

Principal Project Engineer

Operations Manager

Senior Systems Engineer

Senior Software Safety Engineer

Principal Consultant (EIA) - Naas

Senior System Safety Engineer

I want to receive the latest job alerts for senior principal engineer

Related Searches

Explore jobs in more locations

Jobseeker tools

Employer Tools

Browse

Stay Connected