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Sysadmin Jobs

Infrastructure & Network Operations / SysAdmin

Advancio, Inc

Location
Onsite (Downey, California)
Employment
Full-time
Level
Senior Level
Posted 2 weeks ago

About the role

Advancio is an IT services and consulting firm specializing in custom software solutions and managed services. This role manages daily enterprise IT operations, including server administration, network infrastructure, virtualization, and cybersecurity support.

Skills

Linux Administration Windows Server Administration Network Infrastructure Virtualization Kubernetes OpenShift Active Directory Cisco Networking Cybersecurity VMware Ansible Python PowerShell Bash Backup Systems Cloud Computing

Full job details

Role Summary

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



Requirements

Skills Required

  • RHEL/Ubuntu/CentOS/Suse/Debian administration; Kubernetes/OpenShift

  • 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)