Senior Software Engineer

Overview

Senior Engineer role in Strategic Initiatives (R&D) to contribute to the build-and-prove layer of Mimecast P&E’s AI Native Engineering function. Focus on making AI-native and agentic ways of working the fast, safe, default path for product pillars and service owners across the R&D organization.

Responsibilities

• Work across tooling, enablement, and architecture in an integrated fashion—building reusable patterns, constructing agentic system prototypes, evolving visibility for stakeholders, and engaging directly with teams to surface challenges and remove friction.
• Help build and maintain reusable paved roads that concentrate on architecture and security alignment so that engineering teams can move quickly and confidently without paying redundant experimentation and approval costs in silos.
• Collaborate with the Director of Strategic Initiatives and work across teams within the R&D organization, partnering with architects and senior engineers to share knowledge, prove patterns, and evolve how Mimecast builds software.
• Contribute to reusable, well-documented paved roads that concentrate architecture and security alignment—reducing the cost of experimentation and governance for individual teams.
• Contribute to knowledge sharing through documentation, examples, and hands-on support, helping teams apply patterns effectively in their own contexts.
• Surface observations and insights from day-to-day work to help inform the function’s strategic direction and priorities.

Qualifications

• Strong hands-on software engineering skills with demonstrated ability to ship production-quality tooling, automation, and integrations (e.g., Python, TypeScript, or equivalent).
• Evidence of initiative and impact beyond immediate team responsibilities.
• Full-spectrum engineering background spanning multiple disciplines (e.g., QA, tooling, platform, application development) — not a narrow specialist.
• Strong communication and facilitation skills: comfortable communicating technical work clearly and collaborating with engineers across teams.
• Solid DevOps and platform engineering fluency—comfortable working with CI/CD pipelines, infrastructure-as-code, and modern delivery toolchains.
• Demonstrated ability to work with increasing autonomy, prioritize across competing demands, and drive initiatives forward without close direction.
• Working knowledge of secure development practices and the ability to integrate security considerations into tooling and architectural patterns.
• Experience contributing to internal tooling, shared engineering infrastructure, or developer-facing platforms that serve a broad engineering organization is a plus.
• Experience in cybersecurity, email security, or adjacent enterprise SaaS domains preferred.
• Solid engineering experience at the mid-to-senior level with evidence of growing scope and initiative.
• Prior experience in a developer enablement, developer experience, internal tools, or platform engineering function preferred.
• 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.

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