Infrastructure & Network Operations / SysAdmin

s Advancio, Inc.; Downey (CA); On-site; USD 120,000 - 150,000; Full time

Job summary

Advancio, Inc. in Downey, CA seeks an experienced Infrastructure & Network Operations professional to maintain Linux/Windows servers, manage Kubernetes clusters, and oversee identity, backup, and ECM platforms.

The role covers design, monitoring, and automation across private/public cloud environments with hybrid identity management. The position spans from entry-level IT Technical Aid to senior Linux/Kubernetes specialists, reflecting a broad, ongoing hiring need across the cluster.

Qualifications

• 5-7 years broad IT infrastructure/networking experience for senior roles.
• 2 years clerical/IT-support experience for entry-level roles.
• 3-4 years in a specific administrator role (network, Linux, or VMware) within the last 4-6 years.
• 2-4 years of security-monitoring or automation-scripting experience.
• Bachelor's degree in IT/Engineering; relevant certs preferred (Network+/Security+, CCNA/CCNP, CKAD).

Responsibilities

• Administer Linux distributions across private/public cloud (AWS, Azure, GCP).
• Design, monitor, and tune Kubernetes/OpenShift clusters.
• Maintain network infrastructure and cybersecurity posture (Cisco routers/switches/firewalls).
• Administer Active Directory / Entra ID in hybrid environments.
• Manage VMware virtualization environments (vCenter, vSphere, Horizon).
• Administer backup and storage systems and disaster-recovery readiness.
• Provide production support, incident ticketing, and troubleshooting.
• Maintain and develop applications on enterprise content-management platforms (OpenText Documentum).
• Author automation via Ansible, Shell, PowerShell, or Python.

Skills

Scripting Bash Python PowerShell Anis

Linux/Windows administration

Kubernetes/OpenShift administration

Network monitoring & security

Education

Bachelor's degree in IT-related/Engineering

High school diploma acceptable for entry-level

Tools

Cisco networking

VMware vCenter/vSphere/Horizon

Active Directory / Entra ID

DNS/DHCP

OpenText Documentum

Veritas NetBackup / Dell EMC

SCOM / NetScout / OpenNMS

Job description

Infrastructure & Network Operations / SysAdmin

Downey, United States | Posted on 09/25/2026

Keeps day-to-day enterprise IT operations running: Linux/Windows server administration, network infrastructure, virtualization, identity management, backup, and content-management platforms. Spans from entry-level technical aid roles up to senior Linux/Kubernetes and ECM (Documentum) specialists. Broadest and most continuous hiring need of the six clusters.

Core Responsibilities

• Administer Linux distributions (RHEL, Ubuntu, CentOS, Suse, Debian) across private/public cloud (AWS, Azure, GCP)
• Design, monitor, and tune Kubernetes/OpenShift clusters
• Maintain network infrastructure and cybersecurity posture (Cisco routers/switches/firewalls, ASA, Palo Alto)
• Administer Active Directory / Entra ID identity and access management in hybrid environments
• Manage VMware virtualization environments (vCenter, vSphere, VxRail, Horizon/VDI)
• Administer backup and storage systems and disaster-recovery readiness
• Provide production support, incident ticketing, and hardware/software troubleshooting
• Maintain and develop applications on enterprise content-management platforms (OpenText Documentum)
• Author automation via Ansible, Shell, PowerShell, or Python

Skills Required

• Cisco networking (routers, switches, ASA firewalls); monitoring tools (SCOM, NetScout, OpenNMS)
• VMware (vCenter, vSphere, Horizon, VxRail, NSX, Aria)
• Active Directory / Microsoft Entra ID; DNS/DHCP
• Scripting: Bash, Python, PowerShell, Ansible playbooks
• Backup/storage platforms (Veritas NetBackup, Dell EMC) and ECM platforms (OpenText Documentum) for specialist variants

Experience Required

• 5-7 years broad IT infrastructure/networking experience for senior roles; 2 years clerical/IT-support experience for entry-level (IT Technical Aid) roles
• 3-4 years in a specific administrator role (network, Linux, or VMware) within the last 4-6 years
• 2-4 years of security-monitoring or automation-scripting experience

Education / Training

• Bachelor's degree in IT-related/Engineering field for senior roles; high school diploma acceptable for entry-level operations roles
• Certifications common at senior tier: CompTIA Network+/Security+, CCNA/CCNP, Certified Kubernetes Administrator (CKA)