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Security Engineer, Infrastructure & Security

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Scale AI, Inc.
Full Time position
Listed on 2026-02-16
Job specializations:
  • IT/Tech
    Systems Engineer, Cloud Computing, Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Overview

Scale is a vital part of bringing AI-enabled technologies to the world, from autonomous driving to drones, robots, and large language models. For example, Scale works with the world's top self-driving car and robotics ML teams as well as the largest companies in the generative AI space. As our customer base is growing, you will be on the front lines of our engineering efforts for our federal AI projects, having the opportunity to meaningfully impact millions of dollars in revenue by working closely with our largest public sector customers and ensuring that they become passionate, lifelong Scale customers.

Our Infrastructure Security Engineers ensure that the systems powering Scale’s Public Sector solutions are secure, compliant, and resilient. You’ll design and implement secure, scalable backend systems on top of our modern, cloud-native AI infrastructure. You ll lead the development of services operating in high-security environments, define long-term reliability and security goals, and improve the health of critical components across the platform.

Responsibilities
  • Design and implement secure scalable backend systems for Public Sector customers, leveraging Scale's modern and cloud-native AI infrastructure.
  • Own services or systems and define their long-term health goals, while also improving the health of surrounding components.
  • Improve our high engineering standards, tooling, and process.
  • Collaborate with cross-functional teams to define and execute the vision for backend solutions, ensuring they meet the unique needs of government agencies operating in secure environments.
  • Participate actively in customer engagements, working closely with stakeholders to understand requirements and deliver innovative solutions.
  • Contribute to the platform roadmap and product strategy for Scale AI's Public Sector business, playing a key role in shaping the future direction of our offerings.
Qualifications
  • An active security clearance, and the ability to obtain a TS/SCI with CI Poly. This is a requirement and candidates will not be considered who do not hold this level of clearance.
  • Cloud-Native Technologies:
    Understanding of containerization (e.g., Docker) and container orchestration (e.g., Kubernetes). Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and experience in developing and deploying applications in a cloud-native environment.
  • Security Focused:
    Experience with Federal Compliance frameworks and requirements (e.g., Cloud SRG, FedRAMP, STIG Benchmarks). Experience developing software and technical solutions that meet strict security and regulatory compliance requirements.
  • Problem Solving:
    Strong analytical and problem-solving skills to understand complex challenges and devise effective solutions. Ability to think critically, identify root causes, and propose innovative approaches to overcome technical obstacles.
  • Collaboration and Communication:
    Excellent interpersonal and communication skills to effectively collaborate with cross-functional teams, stakeholders, and customers. Ability to clearly articulate technical concepts to non-technical audiences and foster a collaborative work environment.
  • Adaptability and Learning Agility:
    Willingness to embrace new technologies, learn new skills, and adapt to evolving project requirements. Ability to quickly grasp and apply new concepts and stay up-to-date with emerging trends in software engineering.
  • Must be able to support work 3-4 days a week from the DC or STL office.
Compensation and Benefits

Compensation packages at Scale for eligible roles include base salary, equity, and benefits. The range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position, determined by work location and additional factors, including job-related skills, experience, interview performance, and relevant education or training. Scale employees in eligible roles are also granted equity-based compensation, subject to Board of Directors approval.

Your recruiter can share more about the specific salary range for your preferred location during the hiring process, and confirm whether the hired role will be eligible for equity grant.…

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