About the RoleWe are seeking a skilled Infrastructure Engineer with strong Systems Administration expertise and practical exposure to DevOps practices to support the global Engineering organization. This role is systems-first, focused on cloud and on-premises infrastructure, virtualization, operating systems, networking, and domain administration. As the role matures, there will be opportunities to learn and take on more DevOps-centric responsibilities, partnering closely with Engineering teams and evolving platform capabilities over time.
Key Responsibilities- Design, specify, build, and administer production-grade on-premise infrastructure including servers, storage, networks, and clusters.
- Install, configure, and administer Windows and Linux systems.
- Deploy, configure, and maintain hypervisors and virtualization platforms (VMware, Proxmox).
- Administer Windows-based domain environments including Active Directory, DNS, and authentication services.
- Create, deploy, rotate, and manage certificates (internal and public CAs).
- Provide network administration and troubleshooting support.
- Troubleshoot virtual machine and container-based workload issues.
- Administer and support SaaS and cloud services alongside on-premise systems.
- Administer Atlassian and GitLab platforms including upgrades, access controls, and integrations.
- Support CI/CD pipelines and DevOps tooling in collaboration with Engineering teams.
- Apply scripting and automation where appropriate (Python, Bash).
- Maintain backups, monitoring, patching, and security hygiene.
- Maintain documentation, diagrams, and operational runbooks.
Required Experience & QualificationsProfessional Experience- 5-8+ years of related experience with a primary background in Systems Administration, supporting production environments, including ownership of infrastructure, domains, and cloud services.
- Demonstrated ability to operate independently in environments with limited day-to-day oversight.
- Willing and able to come into our office in Centennial, CO at least 3x/week (Tuesday - Thursday 10am - 4pm core hours).
Infrastructure, Virtualization & Networking- Hands-on experience specifying, building, and administering servers, networks, and clusters.
- Hypervisor deployment and management experience required.
- Network administration experience required.
- Experience troubleshooting virtual machine and container-based workloads.
Domain, Identity & Security- Experience administrating domains is required.
- Windows-based domain services including Active Directory, DNS, LDAP, and authentication.
- Certificate creation, deployment, rotation, and lifecycle management required.
Cloud & SaaS Systems Administration- Systems administration experience with SaaS and cloud platforms required.
- Experience administering cloud environments in Google, Microsoft, or Amazon ecosystems required.
- AWS experience strongly preferred.
DevOps Knowledge (Supporting Experience)- Working knowledge of DevOps practices and tooling.
- Experience supporting CI/CD pipelines (Jenkins, GitLab).
- Familiarity with source control workflows and SAST/SCA concepts.
- Basic scripting experience using Python.
Preferred- Experience administrating Atlassian and GitLab.
- Experience using AI-assisted tools for systems administration or automation.
- Exposure to containers or Kubernetes.
Soft Skills- Strong operational ownership mindset.
- Clear written and verbal communication skills.
- Highly organized with strong attention to detail.
- Comfort collaborating with Engineering, IT, and Security teams.
Quantum provides a diverse portfolio of health plans for medical and prescription, dental, vision, life, disability and supplemental medical insurance options. We also support our team members' efforts to develop and maintain a healthy lifestyle through reimbursement and educational programs. Quantum offers an Employee Stock Purchase Program for purchasing Quantum stock at a discounted rate.
Anticipated Annual Salary Range: $115,000 - $145,000
The above pay range represents Quantum's good faith and reasonable estimate of possible compensation at the time of posting. Pay within or outside of the range will be based on a variety of factors, including but not limited to, relevant experience, knowledge/education, skills/abilities, internal equity, and budgetary considerations.
#LI-HYBRID
