Senior Devops Engineer

DigiCert is a global leader in intelligent trust, ensuring the security and authenticity of digital interactions. The Senior DevOps Engineer will be responsible for updating infrastructure and operational excellence, focusing on automation, reliability, and system security.

Responsibilities:

• Implementation of infrastructure automation, monitoring, and system reliability practices committed to providing 100% service availability
• Able to perform forensic system administration, troubleshooting unfamiliar Linux systems and services
• Demonstrates a SecOps mindset with a focus on secure automation and hardened Linux system administration
• Champion the use and advancement of DevOps best practices including CI/CD, infrastructure as code, and zero-touch provisioning
• Utilize best practices in release management, incident management, capacity planning, and operational readiness
• Instrumentation of services with visualization to speed triage (lower MTTR) allowing no direct access to systems
• Exerts technical influence horizontally—up and laterally to fellow seniors, and down to the team
• Acts as a mentor to DevOps and engineering team members; share knowledge and foster a culture of learning and continuous improvement
• Proactively identify and implement opportunities to increase system resiliency
• Implement technical direction around infrastructure, cloud, networking (BGP), and automation strategy
• Participate in on-call rotation, demonstrating strong customer empathy and responsiveness to incidents
• Own and improve standard operating procedures and system documentation
• Research, prototype, and implement new technologies across cloud, virtualization, and hardware platforms

Requirements:

• Strong Linux systems administration background with a deep understanding of how Linux interacts with hardware (CPU, memory, disk, networking)
• Advanced proficiency in scripting and automation using Ansible, Bash, Python, Packer, and Terraform
• Hands-on experience with AWS services (EC2, IAM, VPC, etc.) and provisioning tools like Terraform and Packer
• Experience with datacenter operations including racking, stacking, and remote system management
• Proven ability to manage and configure systems at scale with zero-touch provisioning approaches
• Experience managing monitoring systems and developing custom dashboards for observability
• Solid understanding of networking within a linux environment (Router -> Switch -> Server -> Virtualization -> Linux -> Service); BGP and DNS experience is a plus
• Passion for operational excellence, security, and performance
• Ability to self-manage, communicate effectively, and collaborate with diverse technical teams
• Willingness and ability to learn new technologies as required
• Experience with Kentik, Splunk, or similar network visibility and observability platforms
• Familiarity with modern CI/CD tools and pipeline architecture
• Willingness and ability to learn new languages as required
• Experience in designing, developing, and maintaining RESTful APIs following coding best practices
• Understanding of release management processes in large-scale environments