Proofpoint

Associate Service Reliability Engineer (Linux System Admin)

Company
Location
Belfast, Northern Ireland, United Kingdom
Posted At
7/1/2025
Advertise with us by contacting: [email protected]
Description
About Us

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.

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.

Corporate Overview

Proofpoint is a leading cybersecurity company protecting organizations’ greatest assets and biggest risks vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web.

We are singularly devoted to helping our customers protect their greatest assets and biggest security risk their people. That’s why we’re a leader in next-generation cybersecurity. Protection Starts with People. Proofpoint.

The Role

As an Associate Service Reliability Engineer at Proofpoint you will develop a deep understanding of the various infrastructure services and applications that are the critical foundation for delivering Proofpoint’s next generation security products.

You will contribute to the architecture to improve scalability, operability, service reliability, capacity, and performance. You will be responsible for provisioning, maintaining, and scaling our production services across a hybrid cloud environment.

You bring a ‘cloud first’ mentality to the table and will work cross-functionally to improve automation and orchestration platforms needed to scale the business.

We are looking for passion, curiosity, attention to details, taking pride in one's work, taking ownership, and having ideas/opinions. If you’re the enthusiastic team player who cares about the infrastructure, remains calm in crisis, collaborates cross functionally, and easily writes code for automation we want to talk to you.

Your day-to-day

  • Build long lasting, effective partnerships across the organization to foster collaboration between Engineering, Product Operations, and other Infrastructure Operations teams.
  • Organize and manage multiple simultaneous projects
  • Manage an international 24x7, multi-site production infrastructure powering the Proofpoint services, including deployment, maintenance, troubleshooting, performance tuning, and security
  • Root-cause complex problems and involve multiple stakeholders, network, hardware and software that relate to scaling and performance
  • Ensure proper monitoring, alerting, capacity planning and reporting in the production environment
  • Contribute to the evolving design and architecture of reliable and scalable infrastructure
  • Develop processes, tools, and documentation in support of production operations
  • Evaluate new software, hardware and infrastructure solutions
  • Participate in an on-call rotation and be willing to jump on escalated issues as needed.

What You Bring To The Team

  • Demonstrable skills and proven experience managing, troubleshooting, and tuning Linux systems
  • Demonstrable experience working in a high volume, large deployment, multi-datacentre / multi-cloud environment
  • Experience automating management of systems and applications using common frameworks, platforms and coding languages
  • Experience with observability technologies such as Open Telemetry and Prometheus or similar
  • Experience with industry-standard foundation technologies such as TCP/IP, HTTP, DNS, SMTP, and LDAP
  • Experience in management of a large, distributed computing environment
  • Experience with common virtualization platforms – KVM, VMware vSphere, ESX, ESXi, and vCenter
  • Advanced knowledge and experience with multiple cloud providers and technologies including AWS and Azure
  • Experience with configuration management such as Puppet or Chef, scripting languages (e.g., Python, Bash) and experience with automation tools (e.g., Terraform, Ansible)
  • Experience with industry-standard operational practices such as change management, incident management, and working in colocation datacentres
  • Experience with containers and container orchestration platforms such as Kubernetes desired
  • Excellent verbal and written communication skills
  • Self-motivated, able to work both independently and cross-functionally.

Why Proofpoint

Protecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We’re a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly ‘culture-add’, and we strongly encourage people from all walks of life to apply.

We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint!

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
  • Learning & Development We are committed to the growth and development of our team members, offering a range of programs including leadership and professional development workshops, stretch project assignments, and mentoring opportunities to help employees reach their full potential.
  • Flexible work environment [Remote options, hybrid schedules, flexible hours, etc.].
  • 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 here https //www.proofpoint.com/us/company/careers. We can’t wait to hear from you!

Advertise with us by contacting: [email protected]
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Associate Service Reliability Engineer (Linux System Admin) | Proofpoint | Hunt UK Visa Sponsors