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Senior Infrastructure Engineer

Actian Corporation · Round Rock, TX, United States

IT - Network / Systems / DB AdminSenior LevelQuick applyfull-time3 days ago

About The Role

What You’ll Do

Infrastructure & Systems Administration

  • Administer and maintain Windows Server environments, including Active
  • Directory, DNS, DHCP, Group Policy, and related infrastructure services.
  • Support enterprise virtualization platforms such as VMware, Proxmox, or equivalent hypervisors.
  • Manage server lifecycle operations including provisioning, patching, monitoring, upgrades, and performance optimization.
  • Ensure high availability and resilience of critical infrastructure systems.

Cloud Infrastructure

  • Deploy, manage, and troubleshoot workloads across Google Cloud Platform GCP), Microsoft Azure, and Amazon Web Services (AWS).
  • Support hybrid connectivity between on-premises infrastructure and public cloud environments.
  • Implement and maintain cloud networking, identity integration, and security controls.
  • Collaborate with architecture teams on cloud adoption and modernization initiatives.

Enterprise Networking\

  • Support Cisco datacenter networking environments, including routing, switching, and core network services.
  • Administer Cisco Meraki infrastructure across corporate offices and remote

locations.

  • Troubleshoot network performance, connectivity, and infrastructure-related incidents.
  • Maintain secure network segmentation and interconnectivity across environments. Identity & Access Management
  • Manage identity platforms including Active Directory and Okta.
  • Support authentication, federation, SSO integrations, and identity lifecycle management.
  • Implement secure authentication controls aligned with Zero Trust principles.
  • Endpoint Management
  • Administer enterprise endpoint management platforms including Jamf and Microsoft Intune.
  • Manage device enrollment, configuration policies, compliance standards, and lifecycle management.
  • Enforce endpoint security baselines and compliance requirements.
  • Security Operations & Infrastructure Hardening Implement and maintain security best practices across systems, networks, andcloud environments.
  • Manage integrations with SIEM and security monitoring platforms.

Support infra security teams to improve monitoring, detection, and response capabilities.

Secure Connectivity

  • Manage firewall policies and secure network access solutions.
  • Implement and maintain client VPN and site-to-site VPN connectivity.

Support modern security architectures including SASE and Zero Trust Network Access (ZTNA).

Datacenter Operations

  • Support colocation and on-premises datacenter environments.
  • Perform hardware installation, rack-and-stack activities, cabling, optics installation, equipment replacement, and infrastructure maintenance.
  • Manage infrastructure asset lifecycle planning and inventory.
  • Coordinate with vendors and colocation providers on physical infrastructure projects and remote hands services.

Global Infrastructure Support

  • Support infrastructure deployments and upgrades across global office locations.
  • Provide on-site troubleshooting and remediation when required.
  • Partner with regional IT teams to ensure infrastructure consistency and operational reliability worldwide.

Required Qualifications

  • 5+ years of experience in enterprise infrastructure engineering.
  • Strong expertise in Windows Server administration and Active Directory.
  • Experience with enterprise virtualization platforms (VMware, Proxmox, or similar).
  • Hands-on experience supporting Cisco networking environments.
  • Experience managing Cisco Meraki networks.
  • Working knowledge of AWS, Azure, and/or Google Cloud Platform.
  • Experience with identity platforms such as Okta or Microsoft Entra ID (Azure AD).
  • Experience managing endpoints through Jamf and/or Microsoft Intune.
  • Experience implementing and supporting VPN technologies.
  • Familiarity with security monitoring, SIEM platforms, and incident response processes.
  • Strong troubleshooting and problem-solving abilities.
  • Comfortable performing hands-on datacenter work including hardware installation and maintenance.

Preferred Qualifications

  • Experience with Cisco Nexus or other datacenter switching platforms.
  • Exposure to SASE, Zero Trust, or identity-based networking architectures.
  • Experience supporting hybrid cloud environments.
  • Knowledge of infrastructure security hardening and vulnerability management.
  • Experience operating within colocation datacenter environments.
  • Experience supporting global or multi-site infrastructure deployments.
  • Familiarity with infrastructure monitoring and observability platforms.
  • Experience with infrastructure automation tools such as Terraform, PowerShell, Python, or similar technologies.

What Makes You Successful

  • Strong analytical and troubleshooting skills.
  • Excellent communication and documentation abilities.
  • Ability to work across infrastructure, networking, cloud, and security disciplines.
  • Comfortable balancing operational support responsibilities with project-based initiatives.
  • Collaborative mindset with a focus on continuous improvement and operational excellence.

Travel Requirements

  • Occasional travel to company offices, colocation datacenters, and infrastructure
  • deployment sites may be required. Travel may include datacenter buildouts,
  • infrastructure upgrades, equipment migrations, and strategic technology initiatives.

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