Ledgent Technology · 21 hours ago
Senior System Network Engineer
Huntington Beach, CA
Full-time
Onsite
Senior Level, Lead/Staff
$0/yr - $130K/yr
10+ years expLedgent Technology is hiring a Senior System Network Engineer for a global manufacturing company. This role involves designing, implementing, and maintaining enterprise network and server infrastructure, with a strong emphasis on network engineering and system engineering tasks.
Staffing & Recruiting
Hiring Manager
Blair West
Responsibilities
Design, implement, and maintain enterprise network and server infrastructure across multi-site, multi-domain environments
Administer and troubleshoot Active Directory, including forests, trusts, replication, DNS integration, and domain migrations
Develop, manage, and troubleshoot Group Policy Objects (GPOs) to enforce security and system configuration
Write and maintain PowerShell scripts for automation, reporting, and administrative tasks
Administer and support Windows Server (2012-2025) and Linux systems
Configure and manage Microsoft 365 services (Exchange Online, SharePoint, Teams, security, identity management)
Design and manage Layer 2/Layer 3 network infrastructure, including VLANs, subnetting, routing, and switching
Configure and maintain Cisco and Ruckus switches, including creating and supporting Link Aggregation Groups (LAGs)
Manage virtualization environments including VMware vSphere, Microsoft Hyper-V, and Proxmox
Administer enterprise storage systems (SAN/NAS), including Synology NAS
Create and manage digital certificates and maintain internal certificate authorities (CAs) for secure communications
Configure and support firewalls, VPNs, and SD-WAN solutions; FortiGate experience is a plus
Utilize network monitoring tools (e.g., SNMP, What's Up Gold, PRTG) for proactive infrastructure monitoring and response
Implement and manage security at all layers of the OSI/TCP/IP model, including physical, network, transport, and application layers
Create and maintain comprehensive technical documentation, including standard operating procedures, manuals, and Visio diagrams
Train and mentor junior IT staff, promoting knowledge sharing and consistent operational practices
Participate in and lead infrastructure projects, including upgrades, migrations, and disaster recovery planning
Stay current with new technologies and industry best practices, demonstrating the ability to quickly learn and adopt new tools and platforms
Maintains reliable and consistent attendance, including being punctual, dependable, and flexible to potential schedule changes to meet the needs of the department and the organization
Executes each essential duty satisfactorily to perform job successfully
Follows all safety procedures required in work area, wears PPE as needed, attends all safety meetings, and reports safety issues regarding equipment or unsafe/hazardous conditions
Performs effectively as a team member, able to work well with others, open to receive and give feedback, and treats everyone with respect
Takes ownership of own work and behavior, accepts accountability for own actions, encourages solutions, and communicates status of work/projects
Follows all department quality standards/criteria. Raises concerns and issues to management
Understands department's key performance indicators (KPIs) and contributes to achieve these goals both individually and as a team
Other duties as needed or required
Ability to be on call 24 hours a day, 7 days a week for global operations, by periodically providing off-hours, evening, and weekend support to accommodate maintenance windows and issue resolution
May occasionally guide less experienced associates to help with technical projects
Some travel may be required
Qualification
Required
Bachelor's degree in Computer Science, Information Technology, or equivalent experience
10+ years of senior hands-on experience in enterprise network and server engineering roles
Expert-level experience in Active Directory and Group Policy across multi-domain environments
Strong PowerShell scripting capabilities for automation and system management
Proficient in Windows Server (2012-2025) and Linux administration
Strong Microsoft 365 (M365) administration and troubleshooting experience
Strong knowledge of certificates and certificate authorities (PKI infrastructure)
In-depth understanding of Layer 2/3 networking, including VLANs, routing, and switch configuration
Experience with Cisco and Ruckus switches, including LAG setup and maintenance
Experience managing VMware, Hyper-V, and Proxmox virtualization platforms
Proficiency with SAN/NAS solutions, including Synology NAS
Strong security knowledge, with the ability to implement protection at all layers of the OSI/TCP/IP model
Experience with network monitoring tools (SNMP, What's Up Gold, PRTG)
Excellent technical documentation skills and the ability to train and mentor others
Preferred
Experience in Global Network
Knowledge of VOIP Telephony a plus
Experience in leading or supervising a team a plus
Benefits
Full Benefits
Company
Ledgent Technology
Ledgent Technology, a business line of Roth Staffing Companies, utilizes proven processes and their robust professional network to place qualified technology professionals in contract, contract-to-hire, direct-hire roles and project teams throughout the US.
501-1000 employees
Funding
Current Stage
Late StageCompany data provided by crunchbase