Halcyon is hiring a Senior DevOps Engineer

Halcyon seeks a Senior DevOps Engineer to take technical ownership of our cloud infrastructure and DevOps practices. You'll help us design resilient systems, scale infrastructure, mentor engineers, and collaborate across product, platform, and security teams.

What You'll Do

• Build, operate, and maintain our infrastructure, CI/CD, observability, and automation within the DevOps function.
• Help us build secure infrastructure on AWS using Terraform, Kubernetes, and related tooling.
• Own and improve CI/CD workflows, enabling fast and reliable deployments across teams.
• Advise and support your fellow DevOps engineers, fostering autonomy, quality, and professional growth.
• Define and track operational metrics, including deployment success rate, infrastructure cost, scaling efficiency, and recovery time.
• Drive incident readiness and response, ensuring strong observability and alerting across systems.
• Collaborate cross-functionally to align infrastructure goals with broader product and platform objectives.

What We're Looking For

• 8+ years of experience in cloud infrastructure and DevOps engineering.
• 3+ years in senior or leadership level roles.
• Deep experience with AWS and infrastructure-as-code tools (Terraform preferred).
• Proficient with Kubernetes and deployment tooling such as Helm.
• Expert knowledge of CI/CD (GitHub Actions, ArgoCD, Jenkins, etc.).
• Ability to script in Python, Bash, or similar.
• Familiarity with observability tools such as Prometheus, Grafana, CloudWatch, Datadog, or ELK/OpenSearch.
• Strong understanding of cloud security practices: IAM, encryption, secure network design, compliance.
• Proven ability to mentor, lead technical initiatives, and drive strategic outcomes.
• Solid understanding of systems performance and reliability, with experience improving deployment reliability and infrastructure scalability.
• Comfortable working in a polyglot environment (e.g., Scala, C#, Python).
• You care about security, performance, and doing things the right way.
• You’re collaborative, curious, and not afraid to get in the weeds.

Nice to Have

• Experience with Kafka, Postgres, DynamoDB, or OpenSearch.
• Experience designing for multi-region, high-availability environments.
• Experience with service mesh tools like Istio.
• AWS certifications.

Technical Stack

• AWS, Terraform, Kubernetes, Helm, GitHub Actions, ArgoCD, Jenkins, Python, Bash, Prometheus, Grafana, CloudWatch, Datadog, ELK/OpenSearch, Scala, C#

Benefits & Compensation

• Compensation: $150,000-$200,000 + generous equity offering.
• Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.
• 401k plan with a generous employer contribution.
• Short and long-term disability coverage, basic life and AD&D insurance plans.
• Medical and dependent care FSA options.
• Flexible PTO policy.
• Parental leave.

Work Mode

This is a global position open to candidates based in the United States.

We understand it takes a diverse team of highly intelligent, passionate, curious, and creative people to develop the exceptional product we are building.