Senior DevOps Engineer: AWS Cloud, CI/CD & MLOps

Cullerton Group; Chicago (IL); Hybrid; USD 91,000 - 129,000; Full time

Job summary

Cullerton Group is hiring a DevOps Engineer 3 for a hybrid role with 2 onsite days per week in Chicago, IL, plus potential projects in Dallas, TX, Peoria, IL, or Broomfield, CO. The role focuses on AWS cloud infrastructure, IaC, IAM, and AI/MLOps services, with strong emphasis on security and scalable cloud solutions.

Ideal candidates will have 5–7 years in software development and 5+ years in DevOps, plus hands-on AWS experience and proficiency with GitHub Actions and CloudFormation.

Qualifications

• Education: High school diploma or equivalent required; bachelor's degree not mandatory.
• 5–7 years of relevant software development experience, including at least 5 years in a DevOps engineering role.
• At least 5 years of hands-on AWS cloud experience.
• Strong proficiency with GitHub, GitHub Actions, and YAML-based CI/CD pipelines.
• Hands-on experience developing and deploying AWS CloudFormation templates.
• Practical experience with AWS AI and MLOps technologies, including SageMaker Notebooks, Bedrock, ECS/EKS, and IAM.
• Certifications: AWS Associate or Professional-level certification.
• Problem-Solving: Strong analytical and troubleshooting skills with the ability to work independently on complex technical problems.
• Communication: Excellent verbal, written, and technical communication skills, with demonstrated success collaborating across engineering teams.

Responsibilities

• Design, deploy, and maintain AWS cloud infrastructure for enterprise applications.
• Build and optimize CI/CD pipelines using GitHub, GitHub Actions, and YAML-based automation.
• Develop and deploy Infrastructure as Code (IaC) solutions using AWS CloudFormation templates.
• Manage AWS Identity and Access Management (IAM), troubleshoot cloud connectivity issues, and support secure cloud operations.
• Support cloud-based MLOps and AI services, including Amazon SageMaker, Bedrock, ECS/EKS, and related AWS technologies.
• Collaborate with software engineering teams to streamline application builds, testing, deployment, and cloud integration.
• Troubleshoot complex infrastructure, application, networking, and cloud connectivity issues.
• Perform integration testing and support customer acceptance testing to ensure reliable system performance.
• Establish and maintain DevOps best practices for automation, scalability, security, and software quality.
• Provide technical support for production systems, including occasional off-shift and weekend troubleshooting.

Skills

Problem solving

Communication

Analytical thinking

Independent work

Team collaboration

Education

High school diploma or equivalent

Bachelor's degree not mandatory

Tools

GitHub Actions

YAML

AWS CloudFormation

SageMaker

Bedrock

ECS/EKS

IAM

Job description

Cullerton Group is hiring a DevOps Engineer 3 for a hybrid role with 2 onsite days per week in Chicago, IL, plus potential projects in Dallas, TX, Peoria, IL, or Broomfield, CO. The role focuses on AWS cloud infrastructure, IaC, IAM, and AI/MLOps services, with strong emphasis on security and scalable cloud solutions.

Ideal candidates will have 5–7 years in software development and 5+ years in DevOps, plus hands-on AWS experience and proficiency with GitHub Actions and CloudFormation.