System Administrator (Windows/VMWare)

We are seeking Windows Systems Administrator to work in a contract to hire position in Irvine, CA. Strong VMWare and Windows Administration is required, as is working onsite.

POSITION SUMMARY:

Under general supervision, performs a variety of functions related to corporate and systems maintenance to include data center operations, telecommunications systems, Local Area Networks (LANs), personal computer workstations, and security administration. Administers and maintains equipment including network servers, virtual infrastructure, directories, databases, and backup systems; implements and administers cloud services; participates in maintaining network security including firewalls, intrusion detection systems, and security access; provides end user support in relation to equipment and software; troubleshoots and resolves technical issues; and performs other duties as required.

ESSENTIAL DUTIES AND RESPONSIBILITIES:

• Manages related to IT systems, security, and compliance, including vulnerability management, PCI audit and compliance, and disaster recovery/business continuity.


• Designs and supports virtual and physical information systems and network infrastructure.


• Manages systems and software applications and works with technical and non-technical contractors to resolve Level 3 support issues.


• Designs and maintains automated tools and systems for maintenance and compliance.


• Deploys, configures, and upgrades software applications.


• Conducts a variety of duties pertaining to the administration, monitoring, and maintenance of TCA's computer networks and equipment including but not limited to servers, routers, switches, firewalls, directories, databases, security access systems, desktop and laptop computers, printers, software, and telephones.


• Determines network and system requirements; analyzes, troubleshoots and resolves network problems and access issues, monitors and ensures network connectivity throughout the corporate and toll system networks; assists in ensuring optimal network speed and availability;


• Identifies, troubleshoots, corrects, and documents network connectivity and performance issues.


• Develops, tests, evaluates, installs, configures, optimizes, and maintains device hardware, and software, network segments, LAN's, WAN's, VPN gateways, internet and intranet, email systems, and intrusion detection systems.


• Deploys, configures, and upgrades software and configurations.


• Ensures LAN/WAN environments are secured from external access, and that appropriate recovery and redundancy issues have been properly addressed.


• Participates in administering, updating, and maintaining identity management and mail services; configures authentication and authorization of directory services; maintains distribution and phone lists; edits and deletes users; archives mailboxes.


• Configures, tests, manages, and maintains VOIP and PBX system; provides troubleshooting support for related equipment.


• Implements and administers Office 365 Cloud Services including but not limited to Exchange, SharePoint, and Office applications.


• Implements, administers, and maintains LAN, WAN, workstation, and server security in accordance TCA technology policies and standards.


• Updates and maintains network security tools including firewalls and endpoint protection software.


• Develops and maintains accurate and up-to-date network and system configuration information, documentation, logs, and files.


• Manages, monitors, and maintains the enterprise-level backup system including but not limited to Ethernet, iSCSI, Fiber Channel, disk target, tape libraries, VTL based systems, and SQL databases.


• Manages and monitors data retention and backup processes and/or policies.


• Develops scripts and tools to automate and improve user support activities.


• Provides end user support to TCA staff, contractors, and consultants in relation to equipment and software including network connectivity, department drives, computers, printers, and telephones.


• Performs user account administration including adds, moves, changes, updates, and deletes of user accounts; analyzes and resolves user account errors and problems; instructs and assists users in managing and utilizing accounts, mailboxes, and files.


• Installs, configures, tests, and updates user application functionality and network connectivity; provides users application tools, guides, procedures, and rules.


• Assists in developing and implementing departmental policies and procedures in relation to the installation, use, and maintenance of corporate system network, server, security, and workstation hardware and software.

KNOWLEDGE:

• Computer information systems, operating systems, server administration, virtual infrastructure, security systems and threat vulnerabilities, and detection practices and PCI compliance standards


• Network architectures and theory and principles of network design and integration, including topologies and protocols


• Standard practices and methods of systems/network administration and maintenance


• Wireless security including WPA/WPA2, PEAP, and 802 1X.


• Principles, methods, and techniques for installation, configuration, and operation of network systems, hardware, and devices


• Methods and techniques for performing connectivity testing and troubleshooting, including the use of diagnostic tools and equipment


• Systems analysis and design principles, and development methodologies and tools


• LAN/WAN/MAN technologies and current methods for managing and maintaining


• VLAN, Traffic Shaping, priority queuing, class of service (QoS), and IP routing


• Methods for configuring and administering email exchange server equipment

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance. For unincorporated Los Angeles county, to the extent our customers require a background check for certain positions, the Company faces a significant risk to its business operations and business reputation unless a review of criminal history is conducted for those specific job positions.