Find Sr. software engineer network Jobs in Dublin, D

Principal Security Engineer
Mastercard —Dublin, County Dublin
- Full-time
- Continuous improvement
- Leadership
- Communication skills
3d
Principal Cybersecurity Architect
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- AWS
- Software development
- AI
Senior Data Center Power Protection Controls Engineering
Google —Dublin, County Dublin
- €110,000–€112,000 a year
- Full-time
- Engineering
- Master's degree
- Bachelor's degree
4d
Senior SDK Hardware Simulator Engineer
Innatera Nanosystems —Dublin, County Dublin
- Full-time
- Hybrid work
- Computer Science
- Master's degree
- C++
Quick apply
Operational Technology (OT) Consultant
Accenture —Dublin, County Dublin
- Full-time
- Communication skills
Senior Lead SRE (DSS)
JPMorganChase —DUBLIN 2, County Dublin
- Full-time
- Azure
- Oracle
- Java
Electrical Power Systems Engineer REF: 2628b
Fingleton White —Dublin, County Dublin
- Full-time
- Hybrid work
- Engineering
- English
- Microsoft Office
- Employee assistance program
Quick apply
Senior Power Systems Engineer - Dublin or Cork
Tractebel —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Bachelor's degree
- Annual leave
Senior Control & Protection Design Engineer
TLI Group Ltd —Dublin, County Dublin
- AutoCAD
- System design
- Microsoft Office
- Annual leave
- Employee assistance program
Process Engineer - Life Sciences
Jacobs —Dublin, County Dublin
- Hybrid work
- Communication skills
Manager EMEA North, Infrastructure Energy Team
Amazon Energy Eoraip Limited —Dublin, County Dublin
- Full-time
- English
- Master's degree
- AWS
SDLC Validation Lead
PM Group —Dublin, County Dublin
- Engineering
- English
- No degree
Senior Traffic Management Coordinator
SYSTRA —Dublin, County Dublin
- Hybrid work
- AutoCAD
- Engineering
- Bachelor's degree
3d
Senior Regional Environmental Manager – EMEA, AWS Environmental
Amazon Data Services Ireland Limited - A65 —Dublin, County Dublin
- Full-time
- AWS
- Bachelor's degree
- Communication skills
Senior ML Science Manager
Intercom —Dublin, County Dublin
- Hybrid work
- Doctoral degree
- Research
- Master's degree
- Work from home
Senior Sales Engineer
ifm electronic —Dublin, County Dublin
- €77,000 a year
- Full-time
- Management
- Salesforce
- Engineering
Quick apply
5d
Lead/Senior Process Engineer - Life Sciences
Jacobs —Dublin, County Dublin
- Hybrid work
- Conflict management
Mechanical Design Engineer, Data Centre Engineering
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Bachelor's degree
- Construction experience
Senior Grid Delivery Manager, AWS , (To be based in London, Dublin, Madrid or Frankfurt)
Amazon Web Services EMEA SARL (Irish Branch) - G50 —Dublin, County Dublin
- Full-time
- Spanish
- Engineering
- Master's degree
Civil Engineer - AF Electronics
Jacobs —Dublin, County Dublin
- Hybrid work
- CAD
- Bachelor's degree
- No degree

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Principal Security Engineer

Mastercard -
Dublin, County Dublin

Apply Now

Job details

Full-time
3 days ago

Qualifications

Continuous improvement
Leadership
Communication skills

Full job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Principal Security Engineer

Overview
The Principal Security Engineer serves as a trusted advisor and partner to developers, providing hands‑on support, coaching, and real‑time guidance to integrate security seamlessly into the development lifecycle. This role plays a critical part in shaping how security and threat modeling is taught, adopted, reviewed, and governed across Mastercard’s development lifecycle. The focus is on making security accessible, actionable, and aligned with how developers actually build software, driving adoption through collaboration, continuous feedback, and a strong developer experience.

Role
This is a senior, hands‑on security leadership role focused first and foremost on developer enablement and engagement, responsible for driving security excellence at scale across Mastercard. The Principal Security Engineer blends deep individual‑contributor expertise with practice‑building leadership, including:
Creating scalable, developer‑friendly threat modeling collateral such as blueprints, threat libraries, and templates
Implementing and evolving threat modeling methodologies
Establishing review and governance practices that support consistent, high‑quality outcomes
Designing and delivering formal learning and enablement programs that help engineers and architects confidently apply threat modeling in their day‑to‑day work
The role partners closely with development teams to embed security naturally into workflows, ensuring security enhances—not hinders—delivery.

About You
You are a senior security practitioner with deep, hands‑on experience in threat modeling and secure software design. You are comfortable operating at scale, influencing across teams, and working directly with developers and architects. You combine technical depth with strong coaching and communication skills, and you are passionate about building practical, developer‑centric security practices. You thrive in environments where collaboration, continuous improvement, and strong developer experience are key to success.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

Abide by Mastercard’s security policies and practices;
Ensure the confidentiality and integrity of the information being accessed;
Report any suspected information security violation or breach, and
Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Apply Now

Refine Your Search

sr. software engineer network jobs in dublin, d

Principal Security Engineer

Principal Cybersecurity Architect

Senior Data Center Power Protection Controls Engineering

Senior SDK Hardware Simulator Engineer

Operational Technology (OT) Consultant

Senior Lead SRE (DSS)

Electrical Power Systems Engineer REF: 2628b

Senior Power Systems Engineer - Dublin or Cork

Senior Control & Protection Design Engineer

Process Engineer - Life Sciences

Manager EMEA North, Infrastructure Energy Team

SDLC Validation Lead

Senior Traffic Management Coordinator

Senior Regional Environmental Manager – EMEA, AWS Environmental

Senior ML Science Manager

Senior Sales Engineer

Lead/Senior Process Engineer - Life Sciences

Mechanical Design Engineer, Data Centre Engineering

Senior Grid Delivery Manager, AWS , (To be based in London, Dublin, Madrid or Frankfurt)

Civil Engineer - AF Electronics

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