Senior DevOps Engineer

About the role

Who we are

DigiCert is a global leader in intelligent trust. We protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered DigiCert ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including 90% of the Fortune 500, choose DigiCert to stop today’s threats and prepare for a quantum-safe future at www.digicert.com

Job summary

We are seeking a Senior DevOps Engineer who will play a role in updating the state of our infrastructure, automation, and operational excellence. This role requires a deep understanding of systems, networking, monitoring, and security, with a strong bias toward automation, reliability and scale. The ideal candidate will be a technical leader, helping to shape the direction of infrastructure and tooling.

What you will do

- 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.

What you will have

- 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.