Urgent! Email Security Engineer - Proofpoint Specialist Job Opening In Dublin – Now Hiring Grant Thornton
Email Security Engineer – Proofpoint Specialist
Grant Thornton Advisors LLC and Grant Thornton Ireland (GT) have recently come together to form a powerful multinational, multidisciplinary platform that delivers premier advisory, tax, and independent audit services.
With $2.7 billion in revenues and nearly 60 offices across the U.S., Ireland, the UAE, and other territories, our combined platform brings enhanced solutions and capabilities supported by cutting-edge technologies and a team of nearly 13,000 quality-driven professionals.
Grant Thornton Ireland contributes nearly 3,000 people across 9 offices in Ireland, the Isle of Man, Gibraltar, and Bermuda, and is part of a global network of over 68,000 professionals spanning more than 149 countries.
Together, we offer a truly global reach backed by deep local knowledge and national expertise.
By joining forces, we strengthen our ability to act as trusted advisors who make business more personal — investing in relationships and empowering clients to make the right decisions for their organisations today and into the future.
Whether working with the public sector to build thriving communities, partnering with regulators and financial institutions to build trust, or supporting diverse businesses to achieve their goals, Grant Thornton now provides a singular, seamless client experience grounded in collaboration, innovation, and a shared commitment to the issues that matter most.
At GT Ireland we don’t just predict your future, we build it.
A Career at GT
Looking for a more fulfilling role in professional services?
One where fresh thinking, collaboration and diversity are valued?
At Grant Thornton we do things differently.
What does this mean for you?
A career in a more inclusive working environment, a more collaborative work culture, a more supported, flexible working role, more possibilities to grow and more opportunities to help shape the future for your clients.
We respect and value your experience.
And we want you to bring your authentic self to work and be at your best.
It is how it should be.
Grow with us
At Grant Thornton, we care about our people and work hard to make you feel valued.
If you are looking to deepen and develop your skills, knowledge, and experience throughout your career, then that is what you will get, and more.
Position Overview
We are seeking an experienced Email Security Engineer with deep expertise in Proofpoint Email Security Gateway to strengthen our global cyber defense program.
This role will focus on designing, managing, and optimizing secure email infrastructure to defend against phishing, malware, and advanced threats.
The engineer will play a critical role in ensuring secure communication across our global workforce, while balancing user experience and operational efficiency.
Key Responsibilities
Administer, configure, and maintain Proofpoint Email Security Gateway and related modules (TAP, TRAP, DLP, encryption, impersonation protection, etc.).
Develop and manage email security policies for threat prevention, data protection, and regulatory compliance.
Monitor and analyze email traffic, quarantines, logs, and alerts to identify, investigate, and remediate threats.
Conduct rule set tuning, phishing banner adjustments, and reporting for continuous optimization.
Collaborate with SOC, incident response, and threat intelligence teams to respond to phishing campaigns and advanced email-based threats.
Provide expertise in user awareness campaigns by correlating security telemetry with phishing simulation results.
Document configurations, standard operating procedures, and technical controls for global deployment.
Partner with Microsoft 365 security teams to ensure consistent enforcement of tiered email security controls across platforms.
Support M&A integrations by onboarding new domains and aligning email security posture with global standards.
Ensure compliance with internal security requirements and external regulations (GDPR, DORA, ISO, etc.).
Participate in an on-call rotation to support global operations.
Qualifications & Skills
Required:
Bachelor’s degree in information security, Computer Science, or related field (or equivalent experience).
5+ years of hands-on experience in email security with strong expertise in Proofpoint administration.
Proficiency in SMTP, DNS (SPF, DKIM, DMARC), TLS, and email routing.
Solid understanding of phishing tactics, social engineering threats, and business email compromise (BEC).
Experience with incident response, log analysis, and security reporting.
Strong troubleshooting and problem-solving skills in enterprise environments.
Excellent communication skills to engage with both technical teams and business stakeholders.
Preferred:
Proofpoint Certified Administrator (or equivalent certification).
Experience integrating Proofpoint with Microsoft 365 or Google Workspace security ecosystems.
Familiarity with SIEM tools, SOAR automation, and phishing simulation platforms.
Knowledge of global regulatory and compliance requirements related to email security and data protection.
Life at GT
Reward and benefits:
Our reward and benefits are designed to create an environment where our people can flourish.
We are committed to building a culture where our people have access to the necessary benefits to help promote a healthy lifestyle and thrive.
Equity, diversity and inclusion
At Grant Thornton, we provide equitable opportunities for all our colleagues.
We are a responsible, sustainable business where equity, diversity and inclusion (ED&I) is at the forefront of our workplace culture agenda, and today, we continue to build and develop on our existing ED&I structure and strategy to meet our workplace culture needs.
People are at the heart of our business and teams built with varied backgrounds, racial differences, cultures, sexual orientations, religious orientations, ages, gender identities, abilities and family types present diverse viewpoints, which need to be heard and valued.
We are all at our best when we are able to be ourselves and we view integrity and authenticity as integral values to bring to our day-to-day work-life at the firm.
We are excited to see the personality and perspectives you will bring to our team because we know we will all benefit from them.
Diversity of thought, background and experience enables better decision-making, improves the quality of our delivery, and helps us to meet the needs of our clients.
Our firm is built on people and their ideas, so we want to hear all the new perspectives and fresh thinking you have to offer.
You form the bedrock of our firm’s best-practice principles and we will champion you as leaders from day one.
Recognition:
We want to create a culture of recognition and celebrating success, by saying thank you to people who surpass our expectations and recognising the right values and behaviours.
Our recognition scheme is our way of highlighting and promoting achievements.
Whether you simply want to say thank you, celebrate a special occasion or give an award for doing something exceptional, you can do all of this and more through the scheme.
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Unlock Your Email Security Potential: Insight & Career Growth Guide
Real-time Email Security Jobs Trends in Dublin, Ireland (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Email Security in Dublin, Ireland using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 649 jobs in Ireland and 385 jobs in Dublin. This comprehensive analysis highlights market share and opportunities for professionals in Email Security roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! Grant Thornton is currently hiring and seeking a Email Security Engineer Proofpoint Specialist to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Email Security Engineer Proofpoint Specialist Jobs Dublin.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Grant Thornton adheres to the cultural norms as outlined by Expertini.
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Before the Interview:To prepare for your Email Security Engineer Proofpoint Specialist interview at Grant Thornton, research the company, understand the job requirements, and practice common interview questions.
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