Senior Devops Engineer

DigiCert is a global leader in intelligent trust, ensuring the security, privacy, and authenticity of every interaction. They are seeking a Senior DevOps Engineer to update infrastructure, automation, and operational excellence, requiring a deep understanding of systems, networking, monitoring, and 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