Senior Software Engineer at Mimecast | England | Rezi

Senior Software Engineer at Mimecast

Senior Software Engineer

Mimecast · England

2 weeks ago

Senior Software Engineer

Mimecast · England

21 days ago
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About the Role

Contribute to the build-and-prove layer of Mimecast P&E's AI Native Engineering function, making AI-native and agentic ways of working the fast, safe, default path for product pillars and service owners across the R&D organization. This role involves working across tooling, enablement, and architecture to build reusable patterns, construct agentic system prototypes, evolve visibility, and engage directly with teams to remove friction.

Responsibilities

  • Build and iterate on reusable tooling and automation that accelerates AI-Native development practices.
  • Develop and iterate on agentic system prototypes demonstrating practical, production-viable patterns.
  • Evolve internal visibility and measurement systems for engineering leadership.
  • Collaborate with teams to surface emerging challenges, bottlenecks, and opportunities.
  • Contribute to reusable, well-documented paved roads focusing on architecture and security alignment.
  • Contribute to knowledge sharing through documentation, examples, and hands-on support.
  • Surface observations and insights to inform the function's strategic direction and priorities.

Requirements

  • Strong hands-on software engineering skills with demonstrated ability to ship production-quality tooling, automation, and integrations (e.g., Python, TypeScript, or equivalent).
  • Solid DevOps and platform engineering fluency, comfortable with CI/CD pipelines, infrastructure-as-code, and modern delivery toolchains.
  • Working knowledge of secure development practices and ability to integrate security considerations.
  • Full-spectrum engineering background spanning multiple disciplines (e.g., QA, tooling, platform, application development).
  • Strong communication and facilitation skills, comfortable communicating technical work clearly and collaborating with engineers across teams.
  • Demonstrated ability to work with increasing autonomy, prioritize across competing demands, and drive initiatives forward without close direction.
  • Evidence of initiative and impact beyond immediate team responsibilities.
  • Solid engineering experience at the mid-to-senior level with evidence of growing scope and initiative.
  • Familiarity with AI/ML concepts including prompt engineering, model evaluation, retrieval-augmented generation, and agent orchestration frameworks is valuable but can be developed in-role.
  • Prior experience in a developer enablement, developer experience, internal tools, or platform engineering function preferred.
  • Experience contributing to internal tooling, shared engineering infrastructure, or developer-facing platforms is a plus.
  • An offer of employment will be subject to successful completion of applicable background checks.

Skills

  • Python
  • TypeScript
  • DevOps
  • Platform Engineering
  • CI/CD
  • Infrastructure-as-Code
  • Secure Development Practices
  • Communication
  • Facilitation
  • Prompt Engineering
  • Model Evaluation
  • Retrieval-Augmented Generation
  • Agent Orchestration Frameworks

Location

  • Remote
  • Hybrid

Work Type

  • Hybrid
  • Full-time

Experience Level

  • Senior
  • Mid-to-senior level

Salary/Compensations

  • £80,000−£120,000

Benefits

  • Formal and ‘on the job’ learning opportunities
  • Comprehensive benefits package
  • Incentive plans
  • Additional benefits in accordance with company policy and local regulations

About the Company

  • Mimecast is an AI-First engineering organization leveraging AI-powered development tools across all facets of engineering.
  • Our AI leadership extends to our products, with Mihra AI agent delivering 7x faster threat response.
  • We are recognized as 'Agents of Change' in Human Risk Management.
  • Engineers work at the intersection of cutting-edge AI tooling and AI-powered security products.
  • We save companies by disrupting cybercriminal activity.
  • We think fast, go big and always demand more.
  • We work hard, deliver – and repeat.
  • We grow with meaningful determination.
  • We empower each other, live by our values, and always deliver on our purpose.
  • We push each other to be better and expect to be pushed back.
  • This is a community of respect.
  • Where everyone is counted.

Equal Opportunity

  • We are committed to building an inclusive, diverse community that celebrates and welcomes everyone.
  • We are proud to be an Equal Opportunity and Affirmative Action Employer.
  • We particularly welcome applicants from traditionally underrepresented groups.
  • We consider everyone equally: your race, age, religion, sexual orientation, gender identity, ability, marital status, nationality, or any other protected characteristic won’t affect your application.
  • It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment.