Senior DevOps Engineer (AWS | Networking Focus)
We’re looking for a strong Senior DevOps Engineer to join our DevOps team and take ownership of AWS infrastructure, networking architecture, and automation.
This role is ideal for someone who understands cloud infrastructure deeply, thinks in systems, and is comfortable owning production environments end-to-end.
What You’ll Be Doing
- Designing, implementing, and maintaining AWS infrastructure
- Architecting and optimizing VPC environments (subnets, routing, peering, Site-To-Site VPNs)
- Managing EC2, ALB/NLB, Auto Scaling, RDS/Aurora, S3, Directory service,
- Designing secure IAM policies and access models (least-privilege approach)
- Implementing Infrastructure as Code (CloudFormation)
- Building and maintaining CI/CD pipelines
- Supporting containerized workloads (EKS or similar)
- Implementing monitoring, logging, and alerting (CloudWatch & observability tooling)
- Ensuring high availability, disaster recovery, and system resilience
- Troubleshooting networking, performance, and infrastructure-level issues
- Driving automation and reducing manual operational overhead
- Cost optimization and infrastructure efficiency
What We’re Looking For
- 3+ years of hands-on AWS experience in production environments
- Strong understanding of:
- TCP/IP, DNS, routing, NAT
- VPN (Site-to-Site / Client), IPSec
- Load balancing concepts
- Experience designing complex VPC architectures
- Experience with Infrastructure as Code
- CI/CD pipeline implementation experience
- Solid Linux knowledge (networking & performance troubleshooting)
- Security-first mindset
- Strong problem-solving skills and ownership mentality
Nice to Have
- AWS certifications
- Experience with Kubernetes (EKS)
- Multi-account AWS environments
- Experience in 24/7 production systems
- DevSecOps experience
Why Join Us
- Work on serious, production-grade AWS infrastructure
- High ownership and real architectural impact
- DevOps-driven culture (automation > manual work)
- Opportunity to shape and improve systems
- 13th Salary – end of the year
At the end of a successful year, a 13th salary is given.
- Flexible start of your day.
The start of working hours is flexible: from 7:30 to 09:30. You are free to start working at any time within the specified time interval, with respect to daily duties and pre-agreed obligations.
- Free access to online academies and courses/books.
Personal development is very important for us, and we see the growth of our team as critical to the growth of the company.
- Vacation Days loyalty
You will receive 20 days of annual leave. After 5 years in the company, this amount will grow to 25 days.
Lottomatrix Technologies d.o.o.
Francuska 17, Beograd, Srbija
PIB: 110008590
Matični broj: 21284009