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Head of Platform & Infrastructure

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Prolific

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Location:
United Kingdom

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

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Job Description:

Prolific is not just another player in the AI space – we are the architects of the human data infrastructure that's reshaping the landscape of AI development. In a world where foundational AI technologies are increasingly commoditized, it's the quality and diversity of human-generated data that truly differentiates products and models. We are looking for an experienced and strategic leader to lead our platform and infrastructure function. This is a key leadership role where you will be accountable for our entire platform and infrastructure, ensuring that our engineering teams have the robust, scalable, and secure systems they need to build and deliver world-class products. This role balances strategic and hands-on leadership where you will work closely with product engineering while you lead a diverse group of teams, fostering a culture of technical excellence, reliability, and continuous improvement. You will lead multiple teams and other managers as well as senior contributors.

Job Responsibility:

  • Lead with Impact: Leading, coaching, and empowering your teams to consistently deliver outstanding value to the wider engineering organization
  • Define and Execute Strategy: Help define and execute the platform, infrastructure, site reliability and service management vision and roadmap, aligning with the company's long-term business goals
  • Hands on Leadership: Actively participate in technical direction, design and execution as well as problem-solving to unblock and mentor teams, respond to incidents and be an escalation point for reliability of our systems
  • Drive Automation and Cloud Operations: Oversee cloud infrastructure and drive GitOps practices, such as infrastructure-as-code. Own cloud infrastructure and operations, ensuring platforms are monitored, available, scale appropriately, and cost-efficient
  • Ensure Operational Excellence: Establish good systems reliability engineering, DevSecOps, and service management practices
  • Enable Cloud Development: Provide the tools, guardrails and cloud infrastructure self-service capabilities for engineering teams to develop in the cloud
  • Improve Developer Experience: Closely collaborate with product engineering, ensuring that our internal tools and pipelines enable our engineers to work with greater efficiency and autonomy
  • Embed Security and Compliance: Partner with the product engineering teams to embed security best practices and tools into the software development and release process. Ensure that the platform maintains a good security posture
  • Own IT: Own the internal IT function and tech stack, ensuring our business applications, software, systems, and hardware support the company's growth and operational efficiency. You will also manage key tech supplier relationships

Requirements:

  • Proven leadership experience in a senior infrastructure, SRE, or platform engineering role, with a strong track record of building and leading high-performing teams
  • Deep expertise across cloud platforms, Kubernetes, and modern DevOps and DevSecOps practices
  • A strategic mindset with the ability to define and execute a long-term technology roadmap
  • Exceptional communication and stakeholder management skills, with the ability to articulate complex technical concepts to both technical and non-technical audiences
  • A passion for mentoring and developing team members, creating a positive and collaborative environment
  • Experienced in managing suppliers and negotiating costs, and expertise with cloud cost forecasting, monitoring and optimisation
What we offer:
  • competitive salary
  • benefits
  • remote working

Additional Information:

Job Posted:
December 11, 2025

Work Type:
Remote work
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