Ground every answer in facts on this page and the original listing. We never invent Glassdoor-style reviews or salaries that are not in our data.
Prepare system-design stories (platforms, pipelines, failure modes), deep dives on past infrastructure decisions, and practical debugging scenarios. Be ready to discuss collaboration with application teams, prioritization under limited capacity, and how you communicate risk remotely.
Strong fit if you already ship and operate platforms for other engineers, thrive in remote U.S. async work, and want senior ownership rather than a pure feature-app role. Thin company and market data here means culture and comp should be validated directly with the employer.
As a Sr. Platform Engineer, L3 at Citrine-informatics, a typical day centers on reliable shared infrastructure: reviewing service health and incidents, improving CI/CD and deployment paths, hardening environments, and partnering with product/application teams on platforms they build on. Expect design reviews, pull requests, on-call or escalation handoffs as needed, and written updates so a distributed U.S. team can move without constant meetings.
Focus areas for this title: cloud platforms, containers/orchestration, infrastructure as code, observability, secure networking, and automation. Practice designing for multi-tenant or multi-team use, cost and reliability tradeoffs, and clear runbooks. No certification list or costs were provided in the source data.
The listing indicates remote work in the United States; confirm time-zone expectations and any rare on-site needs in the interview process.
It typically signals senior individual-contributor scope—broader ownership and cross-team impact—not a managerial title by itself.
Background on the state is available via Wikipedia’s Oregon page; the job itself is framed as U.S. remote rather than office-based.
Citrine-informatics is hiring a Sr. Platform Engineer, L3 for a remote Full Time role in the United States, inviting experienced engineers to shape resilient, high-scale systems that support day-to-day product delivery. About This Position This Sr. Platform Engineer, L3 opening at Citrine-informatics is a fully remote opportunity based in the United States. You will own the design and continuous improvement of the core platforms that development teams rely on, emphasizing reliability, security, and operational excellence. The position suits a senior practitioner comfortable leading infrastructure decisions, eliminating friction in the delivery pipeline, and elevating engineering standards across distributed collaborators. Responsibilities Architect, implement, and maintain scalable cloud-native platforms that serve production workloads with high availability Automate provisioning, configuration, and lifecycle management using infrastructure-as-code practices Build and refine CI/CD pipelines that accelerate safe software releases while preserving quality gates Instrument systems for observability, establish clear SLOs, and drive proactive incident response and root-cause analysis Partner with product and software teams to translate operational needs into platform capabilities and self-service tools Champion security hardening, compliance controls, and cost-efficient resource utilization across environments Mentor peers, share operational knowledge, and reduce systems complexity through documented patterns What We're Looking For Demonstrated senior experience designing and operating production platforms, typically associated with L3 or equivalent seniority Deep working knowledge of major cloud providers, container orchestration, and service-mesh or networking fundamentals Proficiency with infrastructure-as-code, configuration management, and scripting languages commonly used in platform work Strong background in the complete observability stack—metrics, logs, traces—and reliability engineering techniques Familiarity with secure software supply-chain practices, identity and access management, and secrets handling Proven ability to collaborate across remote teams, set technical direction, and communicate trade-offs clearly Solid understanding of Linux systems, networking, and the tooling used to keep distributed services healthy More About Citrine-informatics Citrine-informatics is hiring for this role and offers a supportive team environment for platform professionals who want to contribute meaningful impact remotely. Ready to Apply? To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.
Generated for personal interview prep · 2026-07-16 UTC · getajob.ai