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It System Network Administrator Jobs (NOW HIRING)

VSolvit

IT SYSTEM ADMINISTRATOR

Ventura, CA · On-site

The IT Systems Engineer is responsible for Network and Systems infrastructure in support of the ... Responsibilities : • Administer, maintain, and support enterprise server, storage, and ...

Wyetech

System/Network Administrator 2

Laurel, MD · On-site

Manages IT system infrastructure and any processes related to these systems. Provides support to ... Maintain the integrity, security, and availability of database, Administer, maintain, and Implement ...

Bramasol Inc.

IT System Administrator

Santa Clara, CA · On-site

Role: IT System Administrator Location: Santa Clara, CA Employment Type: Full Time IN PERSON ... Windows, LAN, WAN, Active Directory, MS Outlook, MS Office, Networking. Qualifications Desired ...

KINEMATICS LLC

IT System Administrator

Phoenix, AZ · On-site

... local IT infrastructure, workplace technologies, and end-user services. The System Administrator ... Support network infrastructure and connectivity, including TCP/IP, VLANs, routing, switching, VPNs ...

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It System Network Administrator information

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How much do it system network administrator jobs pay per year?

As of Aug 13, 2026, the average yearly pay for it system network administrator in the United States is $83,055.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,000.00 and $94,500.00 per year, depending on experience, location, and employer.

What is an IT system network administrator?

IT System Network Administrators are professionals responsible for managing, maintaining, and troubleshooting computer networks and IT systems within an organization. They ensure network security, optimize performance, and handle the installation and configuration of hardware and software. Their role also involves monitoring network activity, performing regular backups, and supporting users with technical issues. By keeping the network infrastructure running smoothly, they help businesses maintain productivity and data integrity.

What are common challenges IT system network administrators face when managing large-scale networks?

IT System Network Administrators often encounter challenges such as ensuring network security across a growing number of devices, minimizing downtime during system updates or maintenance, and troubleshooting complex connectivity issues. Managing user access and permissions while maintaining compliance with organizational policies can also be demanding. Staying updated with rapidly evolving technology and proactively identifying potential network vulnerabilities are essential for success in this role.

What is the difference between It System Network Administrator vs Network Engineer?

AspectIt System Network AdministratorNetwork Engineer
CertificationsCompTIA Network+, Cisco CCNACompTIA Network+, Cisco CCNA, Cisco CCNP
Work EnvironmentInternal IT teams, corporate networksDesigning and implementing network solutions, often project-based
Primary FocusMaintaining and supporting existing network infrastructurePlanning, designing, and deploying new network systems
Common TasksNetwork troubleshooting, hardware setup, user supportNetwork architecture design, performance optimization

While both roles involve network-related skills and certifications, the It System Network Administrator primarily manages and supports existing network infrastructure within organizations. In contrast, Network Engineers focus on designing and deploying new network solutions. Understanding these differences helps in choosing the right career path or job focus.

What skills and qualifications are needed to be an IT system network administrator?

To thrive as an IT System Network Administrator, you need strong expertise in network infrastructure, system troubleshooting, and a solid understanding of operating systems, often supported by a degree in IT or computer science. Familiarity with network management tools, virtualization platforms, and certifications like CompTIA Network+, Cisco CCNA, or Microsoft Certified Solutions Associate (MCSA) is typically expected. Analytical thinking, problem-solving, and effective communication are crucial soft skills for diagnosing issues and collaborating with colleagues. These skills ensure reliable network performance, minimize downtime, and support the overall security and efficiency of organizational IT systems.
More about It System Network Administrator jobs
What states have the most It System Network Administrator jobs? States with the most job openings for It System Network Administrator jobs include:
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It System Network Administrator jobs near you
Infographic showing various It System Network Administrator job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $83,055 per year, or $39.9 per hour.

IT System Administrator

CTC GLOBAL CORPORATION

Irvine, CA

Full-time

Posted 20 days ago

Job description

SUMMARY

The IT Systems Administrator is responsible for the administration, maintenance, and security of both IT (enterprise systems) and OT (manufacturing/industrial systems) environments across all locations.

This role bridges enterprise IT and operational technology, ensuring reliable, secure, and scalable integration between servers, networks, cloud platforms, and manufacturing systems (PLCs, SCADA, HMIs).

The position is critical in supporting business operations, production uptime, cybersecurity initiatives (including Zero Trust), and IT convergence strategies.

ESSENTIAL DUTIES AND RESPONSIBILITIES:IT Systems Administration (Enterprise)
  • Administer and maintain:
    • Windows Server environments, Active Directory, DNS, DHCP
    • Virtual environments (VMware / Hyper-V)
    • Cloud services (Azure / M365)
  • Manage system performance, availability, and patching
  • Support identity and access management (IAM) and Group Policy
  • Provide Tier 2/3 escalation support for infrastructure issues
Network & Infrastructure Support
  • Support LAN, WAN, VPN, wireless, and cloud network connectivity
  • Assist with configuration and troubleshooting of network devices (switches, firewalls, APs)
  • Monitor infrastructure performance and availability
  • Collaborate with network engineering on upgrades and optimization
OT / Industrial Systems Support
  • Support and maintain systems connected to:
    • PLCs, SCADA, and HMI environments
    • Industrial control systems (ICS) within manufacturing sites
  • Ensure reliable system and network communication for production equipment
  • Assist in troubleshooting production-impacting system issues
  • Coordinate with manufacturing, automation, and controls teams
 
IT Integration & Security
  • Support secure integration between IT and OT environments
  • Implement system-level and network-level segmentation controls
  • Contribute to Zero Trust Architecture initiatives
  • Ensure secure authentication, access controls, and system hardening across environments
Backup, Recovery & Business Continuity
  • Manage backup solutions for servers, systems, and critical OT data
  • Develop and maintain disaster recovery procedures
  • Participate in DR testing and incident recovery
Monitoring, Performance & Optimization
  • Monitor system and infrastructure performance across IT and OT environments
  • Identify bottlenecks, risks, and availability issues
  • Implement performance tuning and system improvements
Security & Compliance
  • Apply patches, updates, and security baselines to systems
  • Support vulnerability remediation and audit requirements
  • Ensure compliance with corporate policies and regulatory standards
Documentation & Standards
  • Maintain documentation for:
    • Systems configurations
    • Network diagrams and dependencies
    • OT system integrations and workflows
  • Follow ITIL processes (change, incident, problem management)
Cross-Functional Collaboration
  • Work closely with:
    • IT Infrastructure and Security teams
    • Manufacturing / Production teams
    • Automation and Controls Engineers
  • Provide guidance on system and infrastructure requirements for projects
Support & Continuous Improvement
  • Support Helpdesk escalation tickets
  • Identify automation opportunities and improve operational efficiency
  • Mentor junior staff and promote best practices
Education
  • Bachelor’s degree in Computer Science, Information Systems, or equivalent experience
Certifications (Preferred)
  • Microsoft (Azure / Windows Server) certifications
 
  • CCNA or equivalent networking certification
  • Security+ or equivalent
  • OT / ICS certifications (a plus)
Professional Experience
  • 7+ years of experience in:
    • Systems Administration
    • Infrastructure / Network Support
    • OT / Manufacturing environment experience preferred
  • Experience supporting multi-site or global operations is a plus
Technical Skills

Systems & Infrastructure

  • Windows Server, Active Directory, Group Policy
  • Virtualization (VMware / Hyper-V)
  • Microsoft 365 / Azure
  • Backup and recovery platforms
Networking
  • TCP/IP, DNS, DHCP, VLANs
  • Firewall and VPN technologies
  • Wireless and enterprise networking
OT / Industrial Systems (Preferred)
  • Experience with:
    • PLC-connected systems
    • SCADA / HMI platforms
    • Industrial protocols (Aveva, Modbus, OPC, Ethernet/IP)
  • Understanding of IT segmentation and secure ICS environments
Key Competencies
  • Strong troubleshooting and analytical skills
  • Ability to operate across IT and manufacturing environments
  • Effective communication across technical and business teams
  • Strong documentation and process discipline
  • High sense of urgency, especially for production-impacting issues

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