Onsite System Administrator II — Cloud & Hybrid Infra

Serigor Inc.; Raleigh (NC); On-site; USD 85,000 - 110,000; Full time

Job summary

Serigor Inc. in Raleigh, NC is seeking a System Administrator II onsite to support a hybrid infrastructure spanning on-prem Windows and Linux servers and cloud environments.

The role emphasizes high availability, security, and performance across enterprise services. Key duties include maintaining cloud-integrated infrastructure (AWS/Azure), designing secure connectivity between cloud and on‑prem data centers, assisting in database migrations, patching, automation, monitoring, incident response,

Qualifications

• Strong understanding of high-availability architectures and system redundancy.

Responsibilities

• Support and maintain cloud-integrated infrastructure spanning Windows and Linux VMs and cloud services.
• Assist in designing, establishing, and optimizing secure connectivity between cloud environments and on premise data centers.
• Participate in database replication/migration activities between on prem databases and cloud-managed database services.
• Perform system administration tasks including patching, automated deployments, configuration updates, performance tuning, logs, backups, and capacity planning; coordinate with vendors.
• Administer and troubleshoot F5 BigIP load balancers and Palo Alto firewalls.
• Collaborate with network team to diagnose Layer 2/3 issues including routing, VLANs, and load balancing interactions.
• Develop and maintain documentation for systems, processes, and SOPs.
• Support incident response activities by investigating issues and implementing corrective actions.
• Perform vulnerability management and remediation to maintain a secure infrastructure.
• Work with cross-functional teams on new deployments, infrastructure upgrades, and automation initiatives.

Skills

Windows & Linux

Hybrid Cloud

PowerShell / Bash

VMware / Hyper-V

Cloud Connectivity

Networking Fundamentals

Monitoring Tools

F5 BigIP

Palo Alto Firewall

Cloud Networking

Database Migration

Automation Tools

Certifications

Problem Solving

Communication

Independent Work

Documentation

Education

N/A

Job description

Serigor Inc. in Raleigh, NC is seeking a System Administrator II onsite to support a hybrid infrastructure spanning on-prem Windows and Linux servers and cloud environments.

The role emphasizes high availability, security, and performance across enterprise services. Key duties include maintaining cloud-integrated infrastructure (AWS/Azure), designing secure connectivity between cloud and on‑prem data centers, assisting in database migrations, patching, automation, monitoring, incident response,