Senior Site Reliability Engineer – Observability & Cloud

Cosm Inc.; El Segundo (CA); Hybride; USD 110 000 - 145 000; Plein temps

Résumé du poste

Cosm Inc. in California seeks an experienced Site Reliability Engineer to design, automate, and maintain hybrid infrastructure for real-time monitoring and decision-making. You will work with product and engineering teams to ensure telemetry ingestion and actionable alerts across on-prem and cloud environments.

The role emphasizes mentoring and continuous learning in a dynamic setting. The candidate should have 6+ years in platform/SRE roles, strong Grafana LGTM expertise, IaC experience with

Qualifications

• 6+ years of platform/SRE experience designing and monitoring hybrid systems.
• Expert-level Grafana LGTM stack knowledge.
• Scripting: PowerShell and Bash required; JavaScript/TypeScript a plus.
• Experience with AWS, EKS, Kubernetes, and containerization.
• IaC: Pulumi, Terraform, or similar tools.
• Linux/Windows Server administration (2016–2022).
• Strong networking fundamentals and monitoring practices.
• Excellent communication and teamwork skills.

Responsabilités

• Design, and automate robust monitoring and alerting to ensure health, performance, and availability of the operations center platform.
• Collaborate with software engineering and product teams to monitor apps and microservices.
• Deploy and configure servers, networks, databases, and monitoring tools.
• Create documentation and provide training for operations staff.
• Collaborate with cross-functional teams to align observability architecture with goals.
• Participate in on-call rotation to resolve incidents.

Connaissances

Grafana LGTM

PowerShell

Bash

AWS

EKS

Kubernetes

Terraform

Pulumi

Ansible

Linux

Windows Server

Networking

Monitoring

PromQL

LogQL

Formation

Bachelor's or Master's in Computer Science/IT

Outils

Pulumi

Terraform

Ansible

Docker

EC2

Hyper-V

VMware

Kubernetes

Description du poste

Summary:

As an SRE, you will play a pivotal role in designing, implementing, automating, and maintaining the technology infrastructure that supports our organization's operations center. You will be responsible for designing robust, scalable, and resilient platforms that facilitate real-time monitoring, analysis, and decision-making processes critical to our business and product operations.

You will liaise with product and engineering teams to ensure applications and microservices support telemetry ingestion for actionable alerting and historical data graphing, thus building a continuous feedback loop for platform and product reliability.

The ideal candidate is a solutions-oriented person who can learn new technologies quickly and who can become competent with all layers of the development platform. They should be willing to roll up their sleeves and be familiar with various technologies but know how to choose the best technology for the job. If you think you have the skills and are up for the challenge, consider this your calling.

Responsibilities:

• Monitoring and Alerting: Design, and automate robust monitoring and alerting mechanisms to ensure the health, performance, and availability of the operations center platform, products and associated infrastructure components.
• Application Monitoring: Work with software engineering and product teams to best understand how to monitor their applications and microservices.
• Infrastructure Deployment: Collaborate with infrastructure teams to deploy and configure the necessary hardware and software components to support the operations center platform, including servers, networks, databases, and monitoring tools.
• Documentation and Training: Create comprehensive documentation, diagrams, and guides to facilitate system understanding, troubleshooting, and knowledge transfer. Provide training and support to operations center staff on platform usage and best practices.
• Collaboration and Stakeholder Management: Collaborate closely with cross-functional teams, including product, operations, IT, security, and business units, to understand requirements, gather feedback, and align observability platform architecture with organizational goals and priorities.
• Incident Management: Work an on-call rotation to troubleshoot and resolve incidents, working closely with the support team to ensure prompt resolution.
• Continuous Learning: Stay informed about industry trends and emerging technologies related to Windows Server, on-premise infrastructure, and Azure and AWS Cloud platforms.
• Leadership: Provide technical guidance and mentorship to junior team members as needed.
• Communication: Exemplify excellent written and verbal communication skills and the ability to tailor technical communications to any audience deftly.
• Be Audacious: Push the limits, try new technologies, take calculated risks, swing for the fences, and proactively search for the best solutions and ideas in the marketplace.

Experience:

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field, or relevant work experience.
• 6+ years of proven experience as a platform engineer, site reliability engineer, systems engineer or a similar role, with a focus on designing, implementing and monitoring the health of complex, hybrid systems.
• Expert-level knowledge of the Grafana LGTM stack.
• Familiarity with scripting languages for automation and configuration management. PowerShell & Bash are paramount, Javascript or typescript are a bonus.
• Strong understanding of hybrid computing concepts and hands-on experience with AWS, included but not limited to EKS (or general Kubernetes/microservice experience)
• Experience with virtualization/containerization technologies such as Hyper-V or VMware, Amazon EC2, Docker & Kubernetes
• Experience using Pulumi, Terraform and/or other IaC frameworks.
• In-depth knowledge enterprise Linux & Windows Server operating systems (2016/2019/2022), including installation, configuration, and troubleshooting.
• Familiarity with configuration management frameworks such as Ansible is a plus.
• Expertise in data retrieval technologies, including constructing efficient TraceQL, PromQL, GraphQL & LogQL queries.
• Familiarity with SaaS, live entertainment and broadcast as well as digital, tech, and streaming media.
• Solid understanding of networking principles and protocols.
• Excellent problem-solving and troubleshooting skills, with a keen attention to detail.
• Strong communication and interpersonal skills, with the ability to collaborate effectively with clients and team members.
• Driven to automate your processes, test continually, and document your work.
• You’re not afraid of an open, candid, and respectful work environment.
• Experience in working with a cross-functional, distributed team from concept through completion and future iterations including agile methodologies.
• Excellent time management skills.

Preferred Experience:

• Certifications in cloud platforms (e.g., AWS Certified Solutions Architect, Azure Solutions Architect) or similar.

The annualized base salary range for this position in California is $110,00 to $145,000. The base salary offered will factor in internal equity and may also vary depending on the candidate's geographic region, job-related knowledge, skills, and relevant experience, among other factors.