Senior Network Administrator in Jersey
Listed on 2026-07-02
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IT/Tech
Systems Administrator, Cybersecurity, Network Administrator, IT Support
Network Administrator
The network administrator will be responsible with installing, supporting, and maintaining servers or other computer and telephony systems, and planning for and responding to service outages and other problems with effective resolutions and in a timely manner. The network administrator will work closely with the other Network Administrators, Help Desk Group, IT Development Group, VP Network, IT Manager, Main Office Support Groups, 3rd Party Vendors and end-user to provide support for the Bank and Securities entities, which includes a Trading Floor.
Will maintain configuration management and change control of network infrastructure. Other duties include scripting or light programming, project management for systems-related projects, supervising or training computer operators, and being the consultant for computer problems beyond the knowledge of Help Desk Group staff. The Network Administrator must demonstrate a blend of technical skills and responsibility.
Insuring that the network infrastructure is up and running.
- Responsibility for maintaining Protection and Security:
- Permissions (Share, Folder, File, etc)
- Open Ports
- Accounts (Domain, Local, Appliances, Services and Applications)
- Antivirus
- Antispam
- Anti-Adware
- Anti-Malware
- Backups of Data and Voice (System State, Docs, SQL, Shadow Copy, Replication, etc)
- Applying operating system updates, patches, service packs, and configuration changes.
- Setting Audit logs
- Producing reports for Department, Data Security & Audit review
- Analyzing system logs and identifying potential issues with computer systems.
- Introducing and integrating new technologies into existing data center environments.
- Performing routine audits of systems and software.
- Installing and configuring new hardware and software.
- Adding, removing, or updating user account information, resetting passwords, etc.
- Answering technical queries.
- Responsibility for documenting the configuration of the system.
- Troubleshooting any reported problems.
- System performance tuning.
- Conduct research and make recommendations on network products, services, protocols, and standards in support of network procurement and development efforts.
- Develop, implement and maintain policies, procedures, and associated training plans for network administration, usage, and disaster recovery.
- Conduct research on network products, services, protocols, and standards to remain abreast of developments in the networking industry.
- Configure networks to ensure their smooth and reliable operation for fulfilling business objectives and processes
- Configuration management and change control of network infrastructure including routers, Catalyst switches, Packet Shapers, Firewalls and IDS/IPS..
- Practice network asset management, including maintenance of network component inventory and related documentation and technical specifications information.
- Monitor and test network performance and provide network performance statistics and reports.
A minimum of 10 years hand-on Network administration experience as described above. Knowledge of telephony systems including Cisco UCS (Call Manager) and IPC Unigy PBX and telephone devices a Plus. Proven experience and success with LAN and WAN implementation and management. Strong technical knowledge of current network hardware, protocols, and Internet standards. Proven experience with network capacity planning, network security principles and general network management best practices.
Excellent troubleshooting experience. Bachelor's Degree or equivalent is required; preferred certification MCSE.
Strong experience and knowledge of Microsoft Operating Systems, applications and services (Server, Workstation, SQL, Active Directory, DNS, DHCP, etc), Cisco IOS along with networking technology and practices. Must be detail-oriented, flexible, have the ability to adjust and respond to crises, and provide technical expertise for the administration and maintenance of Network infrastructure Systems. Proven technical and project completion skills in addition to the ability to communicate to technical and non-technical users.
Working technical knowledge of network, PC, and platform operating systems. Strong technical knowledge of current network hardware, protocols, and standards, including Cisco routers, Catalyst switches, ASA VPN appliances, Palo Alto Firewalls and IDS/IPS services. Develop, implement and maintain policies, procedures, and associated training plans and diagrams for network administration, usage, and disaster recovery. Conduct research on network products, services, protocols, and standards to remain abreast of developments in the networking industry.
Configuration management and change control of network infrastructure. Practice network asset management, including maintenance of network component inventory and related documentation and technical specifications information. Monitor and test network performance and provide network performance statistics and reports. Oversee new and existing equipment, hardware, and…
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