Associate Service Reliability Engineer
Job in
Belfast, County Antrim, BT1, Northern Ireland, UK
Listed on 2026-07-04
Listing for:
Proofpoint
Full Time
position Listed on 2026-07-04
Job specializations:
-
IT/Tech
Systems Engineer, Cloud Computing: Infrastructure & Operations
Job Description & How to Apply Below
Belfast, Northern Ireland time type:
Full time posted on:
Posted Todayjob requisition :
R14327
*
* 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 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.
* Utilize modern AI coding assistants (e.g., Git Hub Copilot) and standard AI platforms to write, debug, and optimize infrastructure-as-code and automation scripts.
* 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
*** Proven experience and technical skills managing, troubleshooting, and tuning Linux systems. Demonstrable experience working in a high volume, large deployment, multi-datacenter / 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…
Position Requirements
10+ Years
work experience
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