Senior Site Reliability Engineer, AWS/Datacenter Hybrid New Bellevue, WA

Cognitiv; Bellevue, Northern (WA, KY); Hybrid; USD 160,000 - 210,000; Full time

Benefits offered by this job

Medical, Dental & Vision

Parental leave

Unlimited PTO

Equity

Hybrid work model

Job summary

Cognitiv in Bellevue, WA is hiring a Senior Site Reliability Engineer to strengthen AWS infrastructure and drive scalable, resilient cloud deployments in a hybrid environment.

You will collaborate with datacenter SREs, own cloud footprint, implement IaC, and improve deployments, monitoring, and disaster recovery while leveraging Datadog, Terraform, and Ansible. Candidates should bring 10+ years in operations or SRE, deep AWS expertise, and Python/Bash scripting; travel 1-2 times per quarter.

Qualifications

• 10+ years of experience in operations, software engineering, or as an SRE.
• Deep knowledge of AWS infrastructure, networking, and management practices.
• Experience with infrastructure as code (Terraform, Ansible).
• Proficiency with Python and Bash.
• Hybrid cloud/on-prem familiarity; multi-DC deployments.

Responsibilities

• Design, implement, and maintain infrastructure across AWS.
• Evaluate AWS architecture for long-term scalability and growth.
• Collaborate with engineering and product teams to scope projects to core requirements.
• Drive engineering-wide efforts to improve deployments, monitoring, and disaster recovery.
• Support and maintain co-located datacenter deployments.

Skills

AWS

Networking

SRE

Python

Bash

Infrastructure as Code

Tools

Datadog

Terraform

Ansible

EC2 / AWS Compute

Kubernetes

Job description

Senior Site Reliability Engineer, AWS/Datacenter Hybrid

Bellevue, WA

Are you ready to revolutionize the advertising industry?

At Cognitiv, we are not just another AdTech company-we are industry trailblazers redefining media buying with our Deep Learning Advertising Platform. Since 2015, we have harnessed the power of cutting-edge deep learning technology and data science to transform how brands connect with their customers. Our mission? To bring intelligence to advertising and deliver unparalleled precision, relevance, and impact at scale.

With our innovative platform, advertisers enjoy unprecedented flexibility-we whether it is activating Dynamic Deals through their preferred DSP, leveraging our managed service DSP, or utilizing our industry-first ContextGPT product. As a part of Cognitiv, you will be at the forefront of AI-driven advertising solutions, driving change and achieving remarkable growth in a rapidly evolving industry.

Now, we're growing!

We are looking for a Senior Site Reliability Engineer to strengthen our AWS infrastructure and improve service management across Cognitiv. Our immediate challenge is to scale and harden our AWS environment as we continue expanding our hybrid cloud footprint. Past that, we are a rapidly growing organization and need to continue to move toward industry best practices. This role demands an experienced engineer with the interest to rapidly learn our environment and help drive our long-term service management roadmap.

This role partners closely with our datacenter-focused SRE, so while deep, hands-on AWS expertise is the priority, working familiarity with datacenter operations is important so you can help provide multi-DC coverage when needed.

Location: This position will be in our Bellevue, WA office with a hybrid work schedule of 3 days in office (Mon/Tue/Wed) and 2 days remote (Thursday/Friday).

Responsibilities

• Design, implement, and maintain infrastructure across our AWS environment, serving as the primary owner of our cloud footprint.
• Evaluate our existing AWS architecture (compute, networking, security) and ensure we are set up for long-term scalability and growth.
• Work across engineering and product teams to scope projects tightly to core business requirements.
• Drive engineering-wide efforts to improve company service management around deployments, monitoring, and disaster recovery.
• Support and help maintain our co-located datacenter deployments alongside our datacenter-focused SRE, providing coverage as needed.

Our Stack

• Hosting: AWS and Equinix colocation.
• Monitoring: Datadog (migrating off Prometheus).
• Infrastructure as Code: Terraform and Ansible.
• Compute: Primarily raw EC2 instances and bare-metal machines, with a small footprint of Kubernetes.

Requirements

• Deep knowledge of AWS infrastructure, networking, and management practices.
• 10+ years of experience in operations, software engineering, or as an SRE.
• Working knowledge of modern datacenter practices, with the ability to support multi-DC deployments as needed.
• Proven experience with infrastructure as code
• Proficiency with Python and Bash.
• An independent self-starter who looks at the big picture, takes ownership, and independently seeks out new challenges with creative solutions.
• A constructive, supportive team player, with good communication and interpersonal skills.

Preferred Qualifications

• AWS certifications (e.g., Solutions Architect, SysOps Administrator)
• Experience with hybrid cloud/on-prem solutions.
• Hands-on experience building out datacenters.
• Willingness and interest to travel 1-2 times per quarter.

Salary: $160,000 - $210,000 USD Base Salary + Equity

What We Offer

Compensation is based on experience, skills, and other factors. Base salary is just one part of your total rewards at Cognitiv—you'll also receive equity and a comprehensive benefits package.

Highlights include:

• Medical, Dental and Vision plan for US employees & Extended Health Benefits for Canadian employees
• 12 weeks paid parental leave + 4 weeks WFH
• Unlimited PTO + Work-From-Anywhere August
• Career development with clear advancement paths
• Equity for all employees
• Hybrid work model & daily team lunch
• Health & wellness stipend + cell phone reimbursement
• 401(k) & RRSP with employer match
• Employee Assistance Program
• ...and more!

What You’ll Find at Cognitiv

• Festiv - We make work fun with cross-team games, events, and creative team bonding.
• Responsiv - You'll be close to clients and leadership, influencing real outcomes.
• Inclusiv - Diversity and individuality are celebrated across all levels.
• Inventiv - We reward curiosity and embrace bold ideas.
• Transformativ - We support your growth with training, mentorship, and flexibility.
• Collaborativ - We operate across coasts, connected by purpose and teamwork.

Cognitiv is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive workplace for all.

Note on AI Use: Cognitiv may use AI technology to assist with certain administrative aspects of the hiring process, such as note-taking, interview documentation, and reporting. However, every resume and application is reviewed directly by our recruiting team. AI tools are used solely for operational support and do not influence candidate evaluation or hiring decisions.