IT Systems & Network Administrator

Sinopec Tech Houston, LLC

United States

United States

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IT Systems & Network Administrator Sinopec Tech Houston LLC is seeking a hands-on IT Systems & Network Administrator to support the daily operations and maintenance of core IT systems and network infrastructure at our Houston R&D center. This role is responsible for maintaining virtual desktop infrastructure (VDI), network and server systems, user identity services, and source code management platforms, while coordinating with third-party providers and Sinopec headquarters IT teams as needed. The ideal candidate has practical experience in enterprise systems and network administration, Active Directory management, and vendor coordination. If you would like to know a bit more about this opportunity, or are considering applying, then please read the following job information. Essential Functions: Administer and maintain VDI servers and user virtual desktop environments, including routine monitoring, troubleshooting, user support coordination, and communication with external service providers. Monitor the status of the company's dedicated network line to Hong Kong; identify connectivity or performance issues and coordinate with service providers for troubleshooting and resolution. Perform routine inspection, monitoring, and maintenance of Commvault storage servers and other system servers; coordinate with vendors for maintenance support and issue resolution. Maintain and support corporate office network infrastructure, including routers, switches, firewalls, and wireless access points. Monitor network performance and troubleshoot connectivity issues to ensure stable and secure office network services. Maintain firewall rules, VPN configurations, and related network security settings in accordance with corporate IT security standards. Administer Active Directory (AD) and related identity management tasks, including employee account provisioning, access changes, password resets, and deprovisioning. Support user identity and access management processes to ensure proper authorization and account security. Administer and maintain source code management platforms, including SVN, GitLab, and TFS, and support routine account, access, and system maintenance tasks. Perform routine system and server health checks, document incidents and configuration changes, and assist with coordination of technical support activities with Sinopec headquarters IT teams and external vendors. Assist with internal IT documentation, standard operating procedures, and technical records to support operational continuity and compliance. Required Knowledge, Skills, and Abilities: Working knowledge of enterprise network administration (TCP/IP, LAN/WAN, routing, switching, firewall, VPNs, wireless). Hands-on experience with server monitoring and systems administration. Experience with VDI environments and user virtual desktop support. Familiarity with storage backup systems and enterprise server maintenance; experience with Commvault is strongly preferred. Experience with Active Directory administration, including user account provisioning, access management, and password reset support. Experience managing source code repositories (SVN, GitLab, TFS) is a plus. Ability to coordinate effectively with third-party service providers for troubleshooting, maintenance, and support. Strong organizational skills and attention to detail in documenting technical procedures, incidents, and system changes. Ability to work independently and in a small team environment. Strong verbal and written communication skills. Proficiency in both English and Mandarin Chinese (spoken and written). Required Education, Credentials, Licenses and Experience: Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field. 3+ years of professional experience in systems administration, network administration, or enterprise IT operations. Experience working with vendors or service providers preferred. Relevant certifications (CCNA, CompTIA Network+, Security+, or Microsoft) are a plus. Experience in global or distributed IT environment is a plus. Occasional off-hours support for system maintenance or incident response. xywuqvp Must be legally authorized to work in the United States.

United States

Sprachkenntnisse

English

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