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About the Role

The Senior DevOps Engineer is responsible for designing, building, and maintaining the highly scalable infrastructure that powers our applications. This role blends automation, infrastructure design, and CI/CD pipeline development, focusing on the automation and standardization of cloud infrastructure and deployment processes.

Responsibilities

• Develop reusable modules to enforce consistency and best practices across all environments.
• Design and implement highly available and fault-tolerant architectures on AWS utilising multiple AZs and regions.
• Build, maintain, and optimise CI/CD pipelines using GitLab CI/CD.
• Manage and configure GitLab Runners (specifically on Docker or AWS EC2/ECS) for scalable and efficient job execution, ensuring fast feedback loops for developers.
• Evangelise and implement DevOps best practices, including shift-left security, monitoring, alerting and logging.

Requirements

• Experience with infrastructure as code tooling (preferably Terraform/OpenTofu).
• Experience with cloud services (preferably AWS).
• Understanding of networking and web applications.
• Knowledge of Docker and container orchestration platforms.
• Knowledge of Linux/Unix based operating systems.
• Experience of CI/CD tooling (GitLab, GitHub, etc.).
• Experience of troubleshooting issues with infrastructure and web applications.
• Proficient in one or more scripting languages (Bash, Python etc.).
• Experience with monitoring and log management tooling (Prometheus, Grafana, ELK, CloudWatch etc.).
• Experience working within a fast moving software development organisation.
• Solid understanding of development processes; likely started as a developer before moving into DevOps.
• Ability to architect, deploy, and monitor systems smarter, faster, and better using AI.
• Actively use AI tools (Claude Code, Cursor, or similar) to accelerate work.
• Stay current on how AI is changing the DevOps and SRE domains.
• Rethink legacy workflows and automate mundane tasks.

Skills

• Infrastructure as Code (Terraform/OpenTofu)
• AWS
• Networking
• Web Applications
• Docker
• Container Orchestration
• Linux/Unix
• CI/CD (GitLab, GitHub)
• Scripting (Bash, Python)
• Monitoring and Log Management (Prometheus, Grafana, ELK, CloudWatch)
• AI Tools for DevOps

Location

• Hybrid

Work Type

• Hybrid

Experience Level

• Senior

Benefits

• 401K
• Pension plan
• Generous PTO
• Flexible hybrid work

About the Company

• Harmonic Security governs AI, understanding user/agent intent and data context in real time to provide security teams with visibility and control across tools and workflows.
• The company operates at the intersection of AI and cybersecurity, building solutions to protect sensitive data in real time with minimal friction.
• Harmonic was named to the Rising in Cyber 2026 list and is backed by investors N47, Ten Eleven Ventures, and In-Q-Tel.
• The company's mission is to help enterprises adopt AI safely and at scale, encouraging employees to use AI tools to work smarter and more creatively.
• The engineering team has built a strong platform architecture, and they are looking to bring in a specialist to focus on security architecture.