Site Reliability Engineer

Knak Digital

Site Reliability Engineer

Brookfield, WI
Full Time
Paid
  • Responsibilities

    About the Role

    This Site Reliability Engineer III role is a senior, hands-on position serving as the PostgreSQL subject-matter expert across a modern, cloud-native data platform. You’ll play a critical role in database architecture, performance, reliability, security, and observability, partnering closely with application, security, and platform teams.

    You’ll design scalable database solutions, define observability standards, and help evolve a multi-database ecosystem spanning relational and non-relational technologies, while mentoring others and raising the bar for operational excellence.

    This is a role for someone who enjoys deep technical ownership, thoughtful systems design, and influencing how teams work at scale.

    What You’ll Do

    Database Architecture & Reliability

    • Architect, implement, and maintain PostgreSQL databases on AWS

    • Optimize schemas, indexing, and queries for availability, scalability, and performance

    • Write and refactor high-performance PL/pgSQL

    • Proactively diagnose performance issues and implement long-term solutions

    Observability & Performance

    • Design database observability strategies and reusable monitoring patterns

    • Build dashboards with real-time visibility into health and performance

    • Implement anomaly detection, alerting, and cost/performance tuning

    • Recommend best practices for monitoring, tracing, and logging cloud databases

    Cloud & Platform Integration

    • Leverage AWS services including Aurora Serverless, RDS, EC2, S3, Lambda

    • Implement backup, recovery, and monitoring solutions using AWS-native tools

    • Recommend storage patterns and policies to optimize cost and reliability

    • Ensure alignment with AWS security and operational best practices

    Security & IAM

    • Implement and manage IAM policies for secure database access

    • Partner with security teams on audits, vulnerability remediation, and compliance

    • Ensure protection of sensitive and regulated data

    Non-Relational & Search Platforms

    • Design and optimize DynamoDB tables, partition strategies, and indexes

    • Deploy and manage OpenSearch clusters for search and analytics

    • Design and maintain DocumentDB instances

    • Integrate Redis/Valkey, Kafka, Amazon SQS, and related technologies

    Data Integration & Governance

    • Support data integration and ETL workflows across platforms

    • Promote data governance, quality, and consistency best practices

    • Support infrastructure-as-code efforts (Terraform)

    Collaboration & Mentorship

    • Serve as an escalation point for complex database issues

    • Perform root cause analysis and prevent recurrence

    • Mentor engineers and DBAs; develop training and documentation

    • Collaborate with development teams to improve application performance

    About You

    Core Qualifications

    • 5+ years of hands-on PostgreSQL experience, including advanced tuning

    • Strong AWS experience (RDS, EC2, S3, Lambda, DynamoDB)

    • Deep understanding of database design, normalization, indexing

    • Experience with observability tools (Datadog, AWS monitoring)

    • Proficiency in scripting (Python, Bash, or similar)

    • Experience with both relational and non-relational data platforms

    • Strong troubleshooting, problem-solving, and communication skills

    • Authorized to work in the United States

    Nice to Have

    • AWS certifications (Solutions Architect, Database, or Security)

    • Experience refactoring or modernizing legacy systems

    • Familiarity with regulated environments (HIPAA, PCI)

    • Experience with Agile/Scrum delivery models

    • Comfort with Atlassian tools (Jira, Confluence, OpsGenie)

    • Exposure to AWS Glue, Neptune, or other purpose-built databases

     

    Benefits

     

    • Remote-first U.S. role with occasional in-person planning sessions

    • Entrepreneurial, collaborative team where individuals have real ownership and voice

    • Sustained growth with room to expand scope, skills, and career path

    • Strong investment in learning & development, including mentoring and training

    • Competitive compensation with geographic adjustments

    • Well-rounded benefits, including:

      • Medical, dental, and vision coverage

      • 401(k) with company match and profit sharing

      • Paid parental leave and family-building benefits

      • Generous PTO starting day one + paid holidays

      • Fully covered life, disability, and employee assistance programs