Site Reliability Engineer

AceStack LLC

Deerfield, IL

Role: Site Reliability Engineer

Location: Deerfield, IL (Onsite)

FTE Only

Job Description

Must Have Technical/Functional Skills

7+ years of experience in SRE, platform engineering, or cloud infrastructure engineering in large-scale
enterprise environments (10,000+ employees or equivalent complexity).
Deep, hands-on expertise with Microsoft Azure - minimum 4 years in a primary Azure cloud engineering role.
Expert-level proficiency with AKS: cluster lifecycle management, RBAC, network policies, pod security standards, cluster autoscaler, and Workload Identity.
Strong infrastructure-as-code skills: Terraform (required) and/or Bicep; experience managing Azure Landing
Zones or Enterprise-Scale architecture.
Proficiency in at least one systems programming/scripting language: Python (preferred), Go, or PowerShell.
Experience designing and operating enterprise observability platforms using Azure Monitor, Log Analytics
and Application Insights at scale.
Demonstrable track record of owning SLOs/SLIs and delivering measurable reliability improvements
in production.
Strong knowledge of enterprise networking in Azure: Hub-and-Spoke/Virtual WAN, ExpressRoute,
Azure Firewall, NSGs, Private Endpoints, and DNS Private Zones.

Required/Preferred Certifications:

AZ-104 | AZ-305 (Preferred) | AZ-400 (Preferred) | CKA | ITIL v4 Foundation

Roles & Responsibilities

Reliability & Availability Engineering

Define, own, and enforce enterprise-wide SLOs, SLIs, and Error Budgets across all Tier-0 and Tier-1 Azure-hosted services; report SLA compliance to executive stakeholders monthly.
Lead architectural reviews for new services and ensure reliability non-functionals (availability targets, RTO/RPO) are embedded from design through to production.
Champion and implement chaos engineering practices using Azure Chaos Studio and custom fault injection frameworks to proactively surface reliability risks.
Drive Disaster Recovery (DR) design and conduct quarterly DR drills across Azure paired regions. Incident Management & On-Call
Serve as Incident Commander for P1/P2 major incidents, own end-to-end incident lifecycle from detection through resolution and Post-Incident Review (PIR).
Participate in a structured On-Call rotation with follow-the-sun global coverage; maintain response SLAs of <5 minutes for Tier-0 services.
Drive blameless post-mortem culture and ensure all action items from PIRs are tracked and delivered within agreed SLA.

Observability & Platform Engineering

Design and operate the enterprise observabilit y stack: Azure Monitor, Log Analytics Workspaces, Application Insights, and Azure Managed Grafana; ensure full MELT (Metrics, Events, Logs, Traces) coverage.
Build and maintain alerting frameworks using Azure Monitor Alert Rules and Azure Action Groups integrated with PagerDuty and ServiceNow.
Develop and operate platform automation, runbooks, and self-healing capabilities using Azure Automation, Logic Apps, and Python/PowerShell scripting.

CI/CD & Infrastructure Reliability

Collaborate with DevOps and development teams to embed reliability gates into Azure DevOps pipelines ; automated performance testing, synthetic monitoring, and progressive deployment (canary/blue-green) strategies.
Manage reliability of AKS clusters across multiple Azure regions, own node pool scaling, upgrade strategy and cluster hardening in alignment with CIS Benchmarks.
Contribute to infrastructure-as-code reliability reviews using Terraform/Bicep to enforce standards across Azure Landing Zones.

Generic Managerial Skills, If any

Produce monthly reliability dashboards and executive-level reporting aligned to enterprise OKRs and IT Risk frameworks.
Collaborate with the Enterprise Architect and Cloud Governance teams to maintain Azure Policy assignments and ensure operational compliance with ISO 27001, SOC 2, and internal control frameworks.
Mentor junior SREs and engineers across the organization; lead SRE community of practice sessions.

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Vacancy posted 2 days ago

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