Senior Platform Engineering Lead MMH261013-10

Momentum; Sandton; On-site; ZAR 1,500,000 - 2,200,000; Full time

Job summary

Momentum is seeking a Senior Platform Engineering Lead to shape and evolve platform capabilities enabling product and engineering teams to build, deploy, and operate at scale.

You will drive platform roadmaps, guardrails, and self-service tooling across AWS, Kubernetes, and DevSecOps stacks to empower rapid, secure delivery.

Qualifications

• Bachelor's degree or equivalent in computer science, information systems, engineering or related discipline.
• 10+ years experience across software, cloud, platform engineering or architecture.
• 3+ years in a senior platform architecture or platform engineering leadership role.
• Experience building and operating enterprise-scale cloud platforms.
• Experience defining platform standards and engineering guardrails.
• Experience leading cross-functional technical initiatives.

Responsibilities

• Define and maintain the platform capability model.
• Develop platform target architectures and roadmaps.
• Identify technology opportunities and platform improvements.
• Guide long-term platform investment decisions.
• Support enterprise modernisation initiatives.
• Improve developer productivity through platform capabilities.
• Promote self-service engineering practices.
• Lead Backstage adoption and evolution.
• Support reusable engineering templates and golden paths.
• Define platform guardrails and security/compliance controls.
• Provide architectural guidance to Platform Engineers.
• Facilitate technical decision-making and mentorship.
• Lead platform architecture communities and forums.

Skills

Software engineering

Cloud engineering

Platform engineering

Architecture

Education

Bachelor's degree or equivalent in Computer Science / Information Systems / Engineering

Tools

GitLab CI/CD

Backstage

Kubernetes

Terraform / IaC

Datadog

OpenTelemetry

Grafana

IAM platforms

Job description

Role Purpose

The Senior Platform Engineering Lead is accountable for shaping, governing and evolving the platform capabilities that product and engineering teams consume to build, deploy, secure, observe and operate technology solutions at scale.

The role translates enterprise technology strategy into platform capabilities, platform guardrails, technicalstandards and platform roadmaps. It provides technical leadership across cloud, developer experience, observability, security enablement and runtime platforms.

The role owns the architecture of platform products and the platform-facing compliance envelope. It does not own business solution architecture, application architecture, domain design or detailed software engineering design. The primary objective is to enable engineering teams to deliver safely and rapidly through self-service platforms, automation, reusable capabilities and measurable guardrails.

Technology Environment

The Role Operates Across

• AWS cloud platforms and landing zones


• GitLab CI/CD and DevSecOps tooling


• Backstage Developer Portal


• Kubernetes and container platforms


• Infrastructure as Code platforms


• Observability platforms (Datadog, OpenTelemetry, Grafana)


• Identity and Access Management platforms


• API and Integration platforms


• Shared engineering services and platform products


• Enterprise architecture standards and technology roadmaps

Requirements

Minimum Requirements

• Bachelor's degree or equivalent in Computer Science, Information Systems, Engineering or related discipline.


• 10+ years experience across software engineering, cloud engineering, platform engineering or architecture.


• 3+ years experience in a senior platform architecture or platform engineering leadership role.


• Experience building and operating enterprise-scale cloud platforms.


• Experience defining platform standards and engineering guardrails.


• Experience leading cross-functional technical initiatives.

Preferred

• Financial Services or Insurance industry experience.


• AWS certifications.

Duties and Responsibilities

Platform Strategy and Roadmap

• Define and maintain the platform capability model.


• Develop platform target architectures and roadmaps.


• Identify technology opportunities and platform improvements.


• Guide long-term platform investment decisions.


• Support enterprise modernisation initiatives.

Outputs

• Platform strategy


• Platform roadmaps


• Platform capability maps


• Technology lifecycle plans


• Platform investment recommendations

Developer Experience

• Improve developer productivity through platform capabilities.


• Promote self-service engineering practices.


• Lead Backstage adoption and evolution.


• Support reusable engineering templates and golden paths.

Outputs

• Platform onboarding journeys


• Backstage catalog structures


• Self-service capabilities


• Engineering acceleratorsGolden path guidance

Platform Guardrails

Define Measurable Platform Guardrails Covering

• Security


• Operational supportability


• Deployability


• Observability


• Resilience


• Compliance


• Cost management

Focus on automated enforcement wherever possible.

Outputs

• Platform guardrails


• Policy-as-Code controls


• Compliance dashboards


• Conformance scorecards


• Platform standards

Technical Leadership

• Provide architectural guidance to Platform Engineers.


• Facilitate technical decision-making.


• Mentor technical leads and engineers.


• Lead platform architecture communities and forums.


• Resolve cross-platform architectural concerns.

Outputs

• Platform Architecture reviews


• Technical coaching


• Platform engineering guidance


• Community of practice leadership

Operational Excellence

• Partner with Production Engineering and SRE teams.


• Improve platform resilience and operability.


• Ensure observability standards are implemented.


• Reduce operational toil through automation.

Outputs

• Reliability improvements


• Operational readiness standards


• Platform telemetry standards


• Recovery and resilience designs

Key Accountabilities

The role is accountable for:

• Platform architecture strategy


• Platform product ownership models


• Platform guardrails and standards


• Platform reference architectures


• Cloud platform architectures


• Developer platform architecture


• Platform lifecycle management


• Platform engineering technical leadership


• Platform capability adoption


• Platform reliability and resilience

The role is not accountable for business solution architecture delivery.

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