Senior Cloud Engineer - AWS

• Operate, maintain, and continuously improve AWS-based cloud infrastructures across multiple customer environments
• Act as a technical escalation point for complex issues beyond L1/L2 support
• Participate in backup on-call rotations, providing expert assistance when standard procedures are insufficient
• Review existing cloud architectures and proactively identify risks related to:
  - Availability and resilience
  - Security and access control
  - Performance and scalability
  - Cost efficiency
• Design and implement infrastructure changes using Infrastructure as Code
• Define, document, and maintain technical standards, operational procedures, and best practices
• Mentor and guide junior cloud engineers through technical reviews, architectural discussions, and day-to-day problem solving
• Collaborate directly with customers to discuss technical and architectural topics, explain trade-offs, and propose pragmatic, AWS-aligned solutions

AWS (Senior / L3 level)

5+ years of hands-on AWS experience in production environments, ideally across multiple customers or AWS accounts

Proven ability to design, operate, and troubleshoot complex AWS environments, including both traditional and modern cloud architectures

Strong, hands-on experience across multiple AWS compute and application models, including:

Virtual machine–based workloads

EC2-based architectures (Auto Scaling Groups, launch templates, ALB/NLB)

OS-level troubleshooting and performance tuning on EC2 instances

Container-based workloads

ECS and/or EKS, including service configuration, scaling, and troubleshooting

AWS Fargate for running containerized workloads without server management

Serverless and event-driven architectures

AWS Lambda (deployment, configuration, monitoring, performance tuning)

API Gateway (REST/HTTP APIs, integrations, authorization)

Event-driven services such as EventBridge, SQS, SNS

Understanding of serverless-specific operational concerns (timeouts, concurrency, retries, error handling)

Strong knowledge of core AWS platform services, including:

IAM (advanced role and policy design, cross-account access, least-privilege enforcement)

VPC networking (CIDR planning, routing, NAT gateways, VPC endpoints, peering and Transit Gateway basics)

Storage and data services (S3 lifecycle management, RDS, backups, encryption at rest and in transit)

Security fundamentals (KMS, security groups vs NACLs, shared responsibility model)

Operational ownership and reliability mindset:

Monitoring, logging, and alerting using CloudWatch

Incident troubleshooting and root cause analysis

Designing for high availability, fault tolerance, and disaster recovery

Cost awareness and optimization across AWS services, including serverless and container workloads

Ability to take ownership of unfamiliar or inherited customer environments, even when architectures are complex, inconsistent, or poorly documented

Comfortable acting as a senior escalation point for complex AWS-related incidents and architectural challenges

Operating systems (Linux / Windows – medior+)

Confident administration of Linux and/or Windows systems in cloud environments

Experience with OS configuration and hardening, service management, log analysis, performance troubleshooting, patching, and routine maintenance

Networking (medior+)

Practical understanding of networking fundamentals (TCP/IP, DNS, HTTP/S)

Hands-on experience with AWS networking, including VPC design, routing, security groups, NACLs, and connectivity troubleshooting

Infrastructure as Code

Advanced Terraform experience, including:

Designing and maintaining reusable modules

Managing remote state and locking

Reviewing and improving existing Terraform codebases

Applying IaC standards and best practices within a team

CI/CD & version control

Hands-on experience with CI/CD pipelines (preferably GitLab CI)

Familiarity with pipeline design, environment handling, infrastructure and application deployment automation, and Git-based workflows

Scripting & automation

Ability to write and maintain automation scripts using:

Bash

Python, including AWS SDK usage (boto3)

Strong focus on reducing manual work and improving operational efficiency

Team & customer collaboration

Experience mentoring junior engineers through technical guidance and reviews

Strong communication skills

Comfortable discussing technical and architectural topics with customers and internal stakeholders

Able to explain complex cloud concepts in a clear and pragmatic manner

Nice to have

AWS Professional-level certifications (Solutions Architect or DevOps Engineer)

Experience with multi-account AWS setups and landing zone concepts

Exposure to security- or compliance-driven environments

Prior consulting or customer-facing experience

Why this role matters

As a Senior Cloud Engineer - AWS, you play a key role in ensuring the stability, security, and scalability of our customers’ cloud environments. Your expertise will directly influence architectural quality, operational excellence, and the technical growth of engineers within the team.