Demo

Senior Site Reliability Engineer

cognitiv
Bellevue, WA Full Time
POSTED ON 12/8/2025
AVAILABLE BEFORE 2/8/2026
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—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!

The role

We are looking for a Senior Site Reliability Engineer (SRE) to help expand Cognitiv’s global datacenter footprint and elevate our service management practices. This role is highly hands-on and central to our strategy of building a robust, scalable, and cost-efficient hybrid cloud infrastructure. You’ll play a critical part in ensuring our systems meet the needs of a rapidly growing company while driving us toward industry best practices.

Location: Hybrid - MTW in Bellevue, WA office

What You'll Do

  • Build & Scale Infrastructure – Design, implement, and maintain infrastructure across a growing footprint of datacenters and hybrid cloud deployments.
  • Evaluate & Optimize – Assess physical and network architectures, ensuring scalability, reliability, and cost efficiency.
  • Elevate Reliability – Improve monitoring, incident management, and disaster recovery, including our migration to Datadog.
  • Own IaC & Automation – Implement infrastructure as code with Terraform and Ansible, using Python and Bash for automation.
  • Operate at Scale – Monitor and maintain shared infrastructure in our AWS environment, ensuring availability and stability.
  • Collaborate & Align – Work closely with engineering and product teams to scope projects tightly to core business requirements.
  • Drive Change – Lead major service management initiatives that shape Cognitiv’s engineering practices.

Tech Stack

  • Hosting/Infra: AWS, Equinix (bare metal EC2)
  • Monitoring: Datadog (migrating off Prometheus)
  • IaC/Automation: Terraform, Ansible
  • Scripting: Python, Bash
  • Other: Some Kubernetes, but majority raw EC2 and bare metal

Who You Are

  • Experienced Operator – 7 years in operations, engineering, or SRE with expertise in multi-datacenter deployments
  • AWS & Networking Expert – Deep knowledge of AWS infrastructure, networking, and service management practices
  • Technical Builder – Skilled in infrastructure as code and automation, with proficiency in Python and Bash
  • Independent Driver – Self-starter who thrives on ownership, problem solving, and big-picture thinking
  • Collaborative Partner – Strong communicator and supportive teammate who works well across functions

Bonus Points If You Have

  • Hybrid Cloud Experience – Exposure to hybrid cloud/on-prem solutions.
  • Datacenter Buildouts – Hands-on experience setting up and managing physical datacenters.
  • Flexibility to Travel – Willingness to travel 1–2 times per quarter for deployments.

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 & vision coverage (some plans 100% employer-paid)
  • 12 weeks paid parental leave
  • 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) with employer match
  • Parking (CA & WA offices) & pre-tax commuter benefits
  • Employee Assistance Program
  • Comprehensive onboarding (Cognitiv University)
  • …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.

Salary : $160 - $210

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