Key Responsibilities:
- AWS Architecture & Multi-Account Design
- Design and implement a best-practice multi-account AWS architecture using AWS Organizations and Control Tower
- Define account strategies for customers, environments (Prod / Non-Prod), and shared services
- Establish and maintain an AWS Landing Zone aligned with security and compliance requirements
- Reduce operational and security risk by eliminating single-account blast radius
- Migration & Execution
- Plan and execute phased migrations of existing workloads from a monolithic AWS account to multiple accounts
- Minimize downtime and risk through careful migration planning, testing, and rollback strategies
- Work closely with application and platform teams during migration and cutover
- Infrastructure as Code & Automation
- Codify account provisioning and baseline infrastructure using Terraform
- Automate guardrails, networking, IAM, logging, and security controls
- Use CI/CD pipelines to support infrastructure as code, not as an application DevOps role
- Security & Governance
- Design and enforce security guardrails using SCPs, IAM boundaries, and least-privilege accessImplement and manage centralized security services including CloudTrail, GuardDuty, Security Hub, and AWS Config
- Support compliance and audit requirements (e.g. ISO 27001) through strong segregation of duties and logging
- Networking
- Design and operate AWS networking at scale, including:
- VPC design and segmentation
- Centralized networking models
- Transit Gateway (nice to have)
- Hybrid connectivity (VPN / Direct Connect where applicable)
- Apply strong TCP/IP, DNS, and routing fundamentals
- Cost Management & Chargeback
- Implement cost monitoring, budgeting, and reporting using AWS Cost Explorer and Budgets
- Enable cost separation and chargeback/showback per customer or account
- Support long-term FinOps visibility as the AWS environment scales
- Operating Systems & Infrastructure Operations
- Apply strong Linux and/or Windows systems engineering knowledge
- Support OS-level hardening, patching, access control, and troubleshooting
- Understand how cloud infrastructure maps to underlying OS and network behavior
Required Qualifications:
- Senior-level experience designing and operating AWS infrastructure at scale
- Hands-on experience with AWS Organizations, Control Tower, and multi-account architectures
- Proven experience migrating workloads from single-account to multi-account AWS environments
- Strong Linux and/or Windows OS fundamentals
- Strong networking fundamentals (TCP/IP, DNS, routing)
- Infrastructure as Code using Terraform
- Experience implementing security guardrails (SCPs, IAM, KMS)
- Experience with centralized logging, monitoring, and security tooling
- Experience with AWS cost management and chargeback/showback models
Nice to have:
- AWS Transit Gateway and advanced networking architectures
- Experience in regulated or compliance-driven environments (e.g. ISO 27001)
- AWS Professional certifications (Solutions Architect Pro, DevOps Engineer Pro)
- Experience designing long-term AWS platform or cloud foundations
Top Skills
What We Do
FreeBalance is a purpose-led organisation dedicated to improving citizen wellbeing around the world.
Our Public Financial Management (PFM) and GovTech solutions, advisory services and training deliver realistic and impactful public sector reform that enhance transparency, improve effectiveness, restore trust and create innovation breakthrough opportunities. We believe strongly in fiscal transparency and accountability and our products help bring the power of open government to citizens and decision-makers around the world.
With a 35-year track record of success and operations in 27 countries, FreeBalance has unparalleled experience in public finance reform and is a specialized Business-to-Government (B2G) firm.
The FreeBalance team is composed of passionate and inspired people who build solutions that make a difference. With over 30 different nationalities in the team we pride ourselves on our diversity and are deeply committed to building local talent in the countries in which we operate. This diversity of thinking helps us to create solutions relevant to the country context.
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