NOC Engineer

Belfast, Northern Ireland

About the role

About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people.

How We Work: At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values: Bold in how we dream and innovate Responsive to feedback, challenges and opportunities Accountable for results and best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact

The Role As a Network Operations Centre (NOC) Engineer, you will be part of an international team that monitors and maintains more than 14,000 servers and 250 Network devices, spanning multiple Data Centres, across the Globe. NOC Engineers manage Incidents, and troubleshoot and resolve, both routine and complex Network, Hardware, and Operating System issues in a timely and efficient manner. This ensures Proofpoint maintains high levels of Production system Availability & Uptime for our Customers. Given the global nature of our Business, our NOC Engineers work in a rotating shift pattern, ensuring 24x7 coverage for the Business. This role will primarily support the hours of 06:00-19:00 GMT/BST.

Responsibilities  Incident Management and Workload Execution Coordinate with Senior team members to identify broader patterns or trends Assist in maintaining and improving Operational Standards & Documentation; including monitoring quality, runbook/knowledge article and general procedure/process improvements Modernization and Continuous Service Improvement (CSI) Use of prescribed AI tooling to gain efficiencies in Operational practices, implement positive tooling or procedural changes and monitoring refinement activities. What You Bring to

the Team Strong Technical knowledge, predominantly with Linux OS, to inform diagnosis & resolution of Incidents on critical customer facing systems Major Incident Management skillset, including creation and documentation of Major Incident detail and actions taken on Production systems, facilitation of investigation and resolution, communication of situational updates to the business. Basic technical understanding of concepts including core Network (Switching and Routing) principles, and Cloud Computing principles Proficiency with monitoring of internal Production systems, leveraging Proofpoint’s suite of monitoring tooling Desirable Certifications (not mandatory, but are preferable): CompTIA certifications; A+, Network+, Cloud+, Linux+ or Security+ OS Vendor Specific certifications including LPIC, LFCS, RHCSA or MCSA, MSCE or more advanced certification types Cloud Vendor certifications ITIL v. 3/4/5 Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive

compensation and

benefits package. Here are just a few reasons you’ll love working with us: Competitive

compensation Comprehensive

benefits Career success on your terms Flexible work environment Annual wellness and community outreach days Always on recognition for your contributions Global collaboration and networking opportunities Our Culture: Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to [email protected]. How to Apply Interested? Submit your application along with any supporting information- we can’t wait to hear from you! Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams. We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We’re driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people. Our BRAVE Values: At Proofpoint, we are BRAVE in everything we do, and our values aren’t just words—they shape

how we work, collaborate, and grow. We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact. We value those with a visionary mindset who anticipate what’s next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people. Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability. Find your network, your allies, and your biggest fans. We know that work is simply better when you’re surrounded by people who inspire you—who share ideas, cheer you on, and genuinely want to see you succeed. That’s why we offer social circles, sponsored networks, and connection points across teams and time zones—to help you find your people, build your community, and thrive together. This isn’t just a job—it’s a mission to protect people and defend data in a world that never slows down. We’re building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable—because that’s what it takes to stay ahead. And we do it together, winning as one. Be empowered to reach your full potential through meaningful challenges and personalized support—designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we’re here to help you get there.

About Tessian

Tessian’s mission is to secure the human layer. Using machine learning technology, Tessian automatically stops data breaches and security threats caused by human error - like data exfiltration, accidental data loss, business email compromise, and phishing attacks - with minimal disruption to employees' workflow. As a result, employees are empowered to do their best work, without security getting in their way.

Founded in 2013, Tessian is backed by renowned investors like Sequoia, Accel, March Capital, and Balderton, and has offices in San Francisco and London.

Other roles at Tessian

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Job details

Location

Belfast, Northern Ireland

Company

NameTessian
IndustryArtificial Intelligence (AI)
Team Size2

Funding

Total raised

$132.7M

Last stage

Series C

Investors

Sequoia Capital
Accel
Balderton Capital
March Capital
Citi Ventures

Founders

TS

Tim Sadler

Co-Founder & CEO

Edward Bishop

Edward Bishop

Co-Founder & CTO

LinkedIn
TA

Tom Adams

Co-Founder & Head of Client-Side Engineering

What happens next.

No applications, no recruiter spam. Just the intro.

01

Confirm the fit

A few questions to make sure this role is the right shape for you. Two minutes.

02

I pitch you to the company

I write the intro, send it to the founder, and handle the back-and-forth.

03

A meeting lands on your calendar

If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.