Principal Engineer: Hybrid, Cloud‑Native & Security Leader

ByDesign Secure Systems Ltd; City Of London; Hybrid; GBP 120,000 - 180,000; Full time

Job summary

ByDesign Secure Systems Ltd is seeking a Principal Engineer to act as a senior technical and engineering practice leader. You will mentor engineers, set direction for engineering standards, and collaborate with architects, analysts, and product managers to improve flow, quality, and delivery while staying pragmatic.

You'll lead definition of principles, embed modernDevOps, ensure security standards are met, and influence technology choices with a long‑term view across multiple teams.

Qualifications

• Significant leadership experience as Principal Engineer or similar level.
• Experience with ISO 27001, Cyber Essentials/CES+, NIST or equivalent security standards.
• Strong background in cloud-native, distributed systems and modern software engineering.
• Proven ability to shape engineering process and ways of working across teams.

Responsibilities

• Define and evolve engineering principles, standards, and guardrails across teams.
• Embed effective engineering practices including Agile, DevOps, and security-aware delivery.
• Ensure solutions meet security and compliance requirements.
• Coach architects to ensure scalable, deliverable designs and roadmaps.
• Identify friction in the lifecycle and drive improvements for flow and quality.
• Act as senior escalation point for complex technical and architectural challenges.

Skills

Engineering leadership

Security compliance

Cloud-native architectures

DevOps & CI/CD

Architectural decision making

Tools

Terraform

Kubernetes

Azure DevOps

Docker

Job description

ByDesign Secure Systems Ltd is seeking a Principal Engineer to act as a senior technical and engineering practice leader. You will mentor engineers, set direction for engineering standards, and collaborate with architects, analysts, and product managers to improve flow, quality, and delivery while staying pragmatic.

You'll lead definition of principles, embed modernDevOps, ensure security standards are met, and influence technology choices with a long‑term view across multiple teams.