Senior AWS Infrastructure Engineer

At Synechron, we harness the power of digital transformation to drive business success. As a global consulting firm, we combine creativity with advanced technology to deliver innovative solutions across industries. Recognized with multiple employer awards, we are committed to building strong expert teams and a collaborative, high-impact work environment.

We are hiring a Senior AWS Infrastructure Engineer
Hybrid working model – Novi Sad or Belgrade

Role Description

We are looking for an experienced Senior AWS Infrastructure Engineer to lead the design, implementation, and optimization of enterprise-grade cloud infrastructure environments. In this role, you will be responsible for driving infrastructure architecture decisions, defining cloud standards and best practices, and leading the delivery of scalable, secure, and highly available AWS solutions. The ideal candidate brings extensive hands-on experience across AWS networking, infrastructure automation, observability, security, and infrastructure architecture, combined with strong leadership and project delivery capabilities.

Key Responsibilities:

• Play a key role in infrastructure projects from discovery and design through implementation and production rollout

• Design and maintain scalable AWS architectures, including High-Level and Low-Level Design documentation (HLD/LLD)

• Contribute to technical discovery, capacity planning, performance optimization, observability, storage strategies, and operational excellence initiatives

• Implement and evolve multi-account, multi-environment AWS architectures utilizing Hub-and-Spoke VPC models and AWS Transit Gateway

• Define and maintain network security controls including AWS Network Firewall, VPN solutions, and centralized security policies

• Design and manage ingress architectures utilizing Application Load Balancers (ALB), REST API routing, and WebSocket connectivity

• Implement and maintain AWS WAF and AWS Shield security solutions

• Design resilient compute and storage architectures leveraging EC2, EBS, S3, and Aurora PostgreSQL

• Implement infrastructure automation and configuration management using Terraform, CloudFormation, and Ansible

• Manage and harden Windows Server environments and modern identity management solutions utilizing AWS Systems Manager (SSM)

• Build and optimize observability platforms using OpenTelemetry, AWS Managed Prometheus, Grafana Cloud, and centralized logging solutions

• Design and implement CI/CD pipelines supporting automated deployments across Staging, UAT, and Production environments

• Collaborate with development, security, and platform engineering teams to ensure scalable and secure cloud solutions

• Provide technical leadership, architectural guidance, and best practices across infrastructure initiatives

Your Profile

Must Have Requirements

• 5+ years of experience in Infrastructure Engineering, Cloud Engineering, Platform Engineering, or Infrastructure Architecture roles

• Proven experience working on large-scale AWS infrastructure projects from design through production deployment

• Strong expertise in AWS architecture and design for enterprise-grade cloud environments

• Hands-on experience with AWS Transit Gateway (TGW) and Hub-and-Spoke VPC architectures

• Strong knowledge of AWS Network Firewall, Site-to-Site VPN, Client VPN, AWS WAF, and AWS Shield

• Extensive experience with AWS EC2, EBS, S3, and Aurora PostgreSQL

• Strong understanding of infrastructure design for high availability, scalability, performance, and security

• Experience with AWS Systems Manager (SSM) and modern cloud-native infrastructure management approaches

• Advanced proficiency with Terraform and/or AWS CloudFormation

• Automation experience with Ansible

• Strong troubleshooting, communication, and stakeholder management skills

• Experience producing technical documentation including architecture diagrams, HLDs, and LLDs

Nice to Have

• Experience working within financial services, banking, or other highly regulated industries

• Experience with containerized environments and Kubernetes

• Knowledge of security and compliance frameworks in cloud environments

• Hands-on experience implementing OpenTelemetry, centralized logging, monitoring, and observability solutions

• Experience with AWS Managed Prometheus and Grafana

• Proven experience designing and implementing CI/CD pipelines and environment promotion strategies

• Experience implementing immutable logging and audit solutions using S3 Object Lock

• Familiarity with Google Chat, Slack, or similar alerting and notification integrations

• AWS certifications (Solutions Architect, Advanced Networking, Security Specialty, or equivalent)

• Experience administering and securing Windows Server environments

What’s in it for you:

• Competitive compensation package based on experience and skills

• Flexible hours and hybrid work options, allowing you to achieve a work-life balance that suits your needs

• Private health insurance plan

• Access to continuous training, accredited certifications, and a range of resources to help you grow professionally

• Personalized leadership training program

• FitPass membership to support your well-being and mental health support programs

• Comprehensive Referral Rewards Program

For any additional information or questions, feel free to reach out to us at [email protected].