Senior System Engineer – Infrastructure Engineering

Join to apply for the Senior System Engineer – Infrastructure Engineering role at Quarter hill Inc.

Quarter hill is looking for a highly skilled Senior System Engineer to join our Infrastructure Engineering team. This role is key to designing, implementing, and maintaining our enterprise IT infrastructure across on‑premises, cloud, and hybrid environments. The ideal candidate is a proactive problem‑solver, experienced in Linux administration, virtualization, cloud platforms, automation, and Dev Ops practices.

• Architect, deploy, and maintain complex cloud (GCP, OCI, AWS) and on‑premises systems.
• Manage Linux environments (RHEL, Ubuntu, CentOS) across production, development, and test environments.
• Configure and manage virtualized environments (VMware vSphere) and server hardware (Dell, Super Micro).
• Build and maintain containerized platforms (Docker, Kubernetes), including cluster setup and orchestration.
• Implement Infrastructure as Code (IaC) using Terraform, Cloud Formation, or similar tools.
• Monitor system performance, troubleshoot issues, and optimize availability using Prometheus, Grafana, Zenoss, and Loki.
• Ensure compliance with security best practices, backup processes (Commvault), and disaster recovery plans.
• Support CI/CD pipelines for application and infrastructure deployments (Jenkins, Git Hub Actions, Git Lab CI).
• Mentor junior engineers and contribute to cross‑team knowledge sharing.
• Maintain comprehensive system documentation, architecture diagrams, and operational procedures.

Other responsibilities as assigned.

• Bachelor’s degree in Computer Science, IT, or equivalent experience.
• 5–8 years of experience in system engineering, cloud infrastructure, and Linux administration.
• Expert‑level Linux administration (RHEL, Ubuntu, CentOS).
• Experience with VMware virtualization and hardware management.
• Proficiency with Docker, Kubernetes, and container orchestration.
• Knowledge of cloud platforms (GCP, OCI, AWS) and networking concepts (DNS, DHCP, VPN, firewalls).
• Familiarity with monitoring tools (Prometheus, Grafana, Zenoss) and backup solutions (Commvault).
• Experience with automation/configuration management tools (Ansible, Terraform, Cloud Formation).
• Strong understanding of security best practices, encryption, and TLS/SSL certificate management.

• Certifications in Linux, Cloud (GCP, OCI, AWS), or Kubernetes (CKA/CKAD).
• Experience with CI/CD pipelines, container security, credential management (FreeIPA, Active Directory).
• Knowledge of S3‑compatible storage solutions (MinIO) and working in air‑gapped environments.

• Strong problem‑solving and analytical skills.
• Excellent communication skills; able to convey technical concepts to non‑technical teams.
• Collaborative, self‑motivated, and process improvement‑oriented.
• Able to mentor junior team members and share knowledge.

• Primarily remote, with occasional on‑site visits to Frisco, TX or client locations.
• Ability to lift up to 50 lbs for hardware setup and maintenance.
• Ability to sit or stand for extended periods (up to 4 hours).

• Paid days off (i.e. vacation, sick days, bereavement leave)
• Health and Dental plans
• Retirement plans
• Employee and Family Assistance Program (EFAP)
• Employee referral program

We welcome applicants from all backgrounds, regardless of race, color, religion, sex, veteran status, sexual orientation, gender identity, national origin, age, or disability, in accordance with applicable federal, state/provincial, and local laws. We’re committed to creating a workplace where everyone feels valued and respected.

We appreciate all responses and will acknowledge only those being considered for an interview.

We respectfully request no calls or unsolicited resumes from agencies.