Senior Infrastructure & Reliability Engineer with deep experience designing, operating, and scaling highly available systems in production environments.
I specialize in building resilient, observable, and automated infrastructure, and in leading teams through incident response, postmortems, and reliability improvements.
- Advanced Python for infrastructure, automation, and backend systems
- Performance tuning, concurrency, networking, and system-level integrations
- Writing production-grade tooling with strong observability and fault tolerance
- Designing for high availability, fault tolerance, and scalability
- SLIs, SLOs, error budgets, and reliability-driven engineering decisions
- Chaos testing, capacity planning, and resilience modeling
- Leading and coordinating high-severity production incidents
- Root Cause Analysis (RCA) and blameless postmortems
- Improving MTTR through better tooling, runbooks, and on-call practices
- Replication strategies, failover automation, and disaster recovery
- Performance tuning, connection management, and scaling patterns
- Operational excellence for mission-critical PostgreSQL deployments
- Deep understanding of Linux internals, networking, and performance
- Debugging low-level system issues (CPU, memory, IO, networking)
- Building hardened, efficient, and observable Linux-based systems
- Designing cloud and hybrid infrastructure at scale
- Infrastructure as Code (IaC) and automation-first mindset
- Secure, maintainable, and cost-efficient platform design
- Designing and operating Kubernetes clusters in production
- Networking, storage, autoscaling, and workload orchestration
- Platform reliability, upgrades, and operational best practices
- Languages: Python, Bash
- Databases: PostgreSQL
- Platforms: Linux, Kubernetes
- Practices: SRE, Incident Response, Observability, HA/DR
- Infrastructure: Cloud & On-Prem, IaC, Automation
- Systems that fail gracefully
- Clear ownership and operational maturity
- Reducing toil through automation
- Learning from incidents instead of fearing them
- GitHub: @maborak
- Email: wilmer@maborak.com
“Reliability is not a feature — it’s a continuous practice.”