NOC Engineer

Proofpoint; Belfast City District; On-site; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Competitive pay

Comprehensive benefits

Flexible work

Wellness days

Recognition program

Global collaboration

Job summary

Proofpoint in Belfast is seeking a Network Operations Centre (NOC) Engineer to monitor and maintain thousands of servers and 250 network devices across multiple data centres worldwide. You will manage incidents and resolve complex issues to ensure high availability for customers.

The role requires rotating 24x7 shifts, primarily covering 06:00-19:00 GMT/BST, and close collaboration with a global team. A strong Linux background and monitoring tool proficiency are essential for diagnosing problems

Qualifications

• Strong technical knowledge in Linux OS for incident diagnosis and resolution.
• Major Incident Management skills with production systems.
• Basic understanding of network (switching/routing) and cloud concepts.
• Experience monitoring production systems with tooling.
• Desirable certifications (CompTIA, LPIC, LFCS, RHCSA, MCSE, ITIL).

Responsibilities

• Incident Management and Workload Execution
• Coordinate with senior team members to identify patterns
• Maintain and improve operational standards and documentation
• Support modernization and CSI initiatives
• Use AI tooling to improve operational practices and monitoring

Skills

Linux OS

Major Incident Management

Network Switching & Routing

Cloud Computing concepts

Monitoring tooling

Certifications

Tools

Monitoring tooling

Job description

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 [e-mail].

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.

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.

Proofpoint is the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations.

We believe 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.

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.