Platform Engineer III

Job Overview

We are seeking an experienced Senior Cloud Platform Engineer to architect, build, and maintain next-generation AWS cloud platform. This role combines deep technical expertise in Information Security, Identity and Access Management, cloud architecture, networks, and DevOps practices while ensuring platform reliability, security, and operational excellence. Periodic international travel may be required.

Key Responsibilities

• Platform Architecture (40%)
• Design and Implementation of cloud network architectures, primarily in AWS
• Advanced level understanding of VPCs, subnets routing, and Transit Gateways
• Implement and manage core AWS networking services such as Route 53, Direct Connect, and VPNs
• Optimize network performance for high availability
• Ensure multi-tenant isolation and resource management
• Identify and design system security requirements using security best practices and compliance requirements
• Advanced understanding of NACLs and Security Groups
• Develop standard operating procedures and protocols
• Advanced understanding of IPAM and DNS
• Monitor and troubleshoot network issues
• Design and implementation of hybrid cloud connectivity solutions
• Create and maintain comprehensive architectural diagrams
• Lead security incidents involving cloud network systems
• Architect high-availability solutions ensuring business continuity and disaster recovery
• Optimize platform performance and resource utilization across environments
• Define integration patterns for microservices architectures

• Infrastructure Automation (40%)
• Develop and maintain infrastructure as code using Terraform for AWS resources
• Implement GitOps workflows
• Build and maintain CI/CD pipelines for automated deployment
• Automate routine operational tasks using shell scripting
• Manage backup and recovery procedures across the platform

• Operations & Observability (20%)
• Design and implement monitoring solutions using Prometheus and DataDog
• Create and maintain alerting systems and dashboards
• Lead troubleshooting of complex platform issues related to networks
• Participate in on-call rotation
• Maintain operational documentation and runbooks

Required Qualifications

• Programming & Scripting
• Cloud & Infrastructure
• Kubernetes
• Docker
• AWS services
• DevOps & Tools
• Git
• Terraform
• Development Practices
• Continuous integration/deployment
• Code review processes
• Performance optimization
• Jenkins

• Professional Qualifications
• Bachelor's/master’s in computer science or related field
• Minimum of six years’ experience in a Platforms Engineer or Site Reliability Engineering role utilizing the AWS platform
• Preference to AWS certification for Advanced Networking - Specialty Certification
• Strong system design skills

Impact & Opportunity

Influence technical architecture decisions
Build scalable enterprise solutions
Contribute to open-source projects

Benefits

We value our people and offer a competitive salary along with company bonus
Strong maternity and paternity scheme
A workplace pension scheme
Take what you need holiday package
Private medical insurance
Dental plan
Group life assurance
Group income protection
Employee assistance programme
A monthly wellness allowance
Adoption assistance
Stock options

Don't meet every requirement? Apply anyway! We value diverse candidates and encourage applications, even if you don't perfectly match the job description. Studies have shown that some strong candidates may self-select out of the interview process prematurely, at Smarsh we encourage an inclusive, high-performing environment.

Smarsh is an equal opportunity and affirmative action employer. Qualified applicants will receive consideration without regard to their race, colour, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Smarsh invites all qualified interested applicants to apply for career opportunities. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. Including frequency of functions.

About our culture

Smarsh hires lifelong learners with a passion for