This is a contract role with a contract duration of 6‑12 months at a pay rate of 90‑95$/hr, 40 hrs a week.

Senior Cloud

Engineer (AWS / Terraform / Security & Production Readiness) Location: Toronto / Montreal (Hybrid – mandatory) Experience: 7‑10+ years Employment Type: Full‑time / Contract Role Overview We are looking for a Senior Cloud Engineer to lead production readiness, secure cloud deployment, and live cutover of a regulated, high‑assurance platform. This role is critical in ensuring that AWS production environments are secure, compliant, and operationally resilient, with a strong focus on infrastructure as code (Terraform), security controls, key management, and production deployment practices. You will work at the intersection of cloud engineering, security, and platform operations, supporting a high‑stakes production launch and vendor integrations.

Key Responsibilities - 1.

Production Workplace

Setup & Governance - Establish and configure AWS production environments (ca-central-1) separated from non‑production accounts.

- Implement multi‑account governance and federation models aligned with enterprise standards.
- Apply infrastructure‑as‑code (Terraform) modules to enforce:
- Service Control Policies (SCPs) - Data residency controls - MFA enforcement and root access restriction - Public access protections (e.g., S3 hardening) - Configure monitoring, alerting, and centralized logging using CloudWatch and log aggregation solutions.
- 2. Security & Key Management Infrastructure - Implement and manage customer‑managed KMS keys, including asymmetric key configurations.




- Deploy and maintain secure key custody frameworks, including:
- Application service keys (rotating) - Blockchain validator keys - Privacy/encryption keys for sensitive transaction layers - Ensure secure handling of secrets via AWS Secrets Manager with automated rotation.
- 3. CI/CD & Production Deployment - Activate and manage production CI/CD pipelines with environment gating and approvals.
- Deploy applications and infrastructure using controlled release mechanisms.
- Lead production deployments of pre‑validated components (from dev & staging) including:
- Encryption and signing mechanisms - Security‑sensitive platform components - 4.

Production

Readiness & Runbook Validation - Validate and refine production runbooks against real‑world system behaviour.

- Identify and address gaps between staging and production environments.
- Ensure operational readiness, incident response alignment, and monitoring coverage.
- 5.

Vendor

Integration & Cutover - Own the end‑to‑end integration and production cutover of critical third‑party services.

- Transition from mock sandbox to production for:
- KYC systems (e.g., Persona) - Compliance platforms (e.g., sanctions, PEP screening)



- Custody / MPC platforms (multi‑party computation) - Ensure secure data flows and operational stability.
- 6. Hypercare & Production Support - Support live production cutover and stabilization phases.
- Monitor platform health, performance, and security posture.
- Rapidly respond to incidents during hypercare period.

Required Skills & Experience - 7+ years in cloud engineering / platform engineering roles.

- Strong hands‑on experience with AWS (multi‑account environments).
- Deep expertise in Terraform (modular design, IaC best practices).
- Proven experience implementing:
- Cloud security frameworks (IAM, SCPs, KMS, Secrets Manager) - Monitoring & observability (CloudWatch, logging pipelines) - Experience with CI/CD pipelines and controlled production deployments.
- Strong understanding of:
- Production readiness and release management - Secure architecture and data protection controls - Experience supporting high‑risk production cutovers or regulated environments. Nice to Have - Experience with blockchain or cryptographic key management systems.
- Exposure to MPC (multi‑party computation) or custody platforms.
- Familiarity with compliance/KYC integrations.
- AWS certifications (Solutions Architect / DevOps / Security).

What You

Bring - Ownership mindset with ability to lead production‑critical initiatives.

- Strong problem‑solving skills in high‑pressure environments.
- Ability to work across engineering, security, and vendor teams.
- Clear communication and documentation skills.

📌 Senior Cloud Engineer (Toronto)
🏢 United States Digital Space
📍 Toronto