Network Systems Administrator

3 days ago

SaintBrieuc, Bretagne, United States The One 23 Group Full time
Job Title: Network Systems Administrator - SME

The One 23 Group is seeking a highly skilled Network Systems Administrator - SME to join our team. As a key member of our IT department, you will be responsible for providing enterprise-level operational support for incident and problem management activities, troubleshooting and resolving critical customer network issues, and designing, deploying, and maintaining solutions to build 24/7 global operations.

Key Responsibilities:
  • Provide enterprise-level operational support for incident and problem management activities.
  • Work with the systems team to troubleshoot, diagnose, and remediate customer application issues.
  • Monitor network performance to ensure system availability and reliability.
  • Design, deploy, and maintain solutions to build 24/7 global operations.
  • Manage and implement physical as well as AWS-based firewalls, proxies, VPN concentrators, and related network protection technologies.
  • Critically analyze network infrastructure to find opportunities to improve efficiencies and reduce the threat profile.
  • Provide mentorship and training on areas of expertise to Information Security and other internal teams.
  • Present project status reports to senior management, adhere to policies and practices, and contribute to the development of new policies and practices.
  • Work closely with business and application owners on design, troubleshooting, support, and documentation of new application deployment and enhancements.
  • Attend planning meetings.
  • Provide technical expertise in business initiatives and projects.
  • Manage and lead internal IT initiatives and projects from other groups.
  • Participate in on call rotation.
  • Create end-to-end project tasks and ensure project completion.
  • Manage and maintain network and security documentation.
  • Evaluate new and emerging network security trends, products, and technologies.
  • Monitor the health of the entire Zscaler infrastructure, including VMs, logging and cloud access.
  • Provide vulnerability mitigation.
  • Perform risk assessment of storage infrastructure software and hardware components.
Qualifications:
  • 10 -12 years of relevant IT experience.
  • 10 years of relevant IT experience relating to Network Design, Architecture, Engineering, or Security.
  • Experience in analyzing network requirements, drafting project documentation, coordinating with customers, deploying system technologies, providing project reporting, project oversight, and projecting out-year network requirements.
  • Experience and understanding of Cisco switching, routing, firewalls, Intrusion Detection System, and network management and monitoring including OPNET.
  • Experience and understanding of DNS, email, web, and file proxies.
Desired Qualifications:
  • Network5 Certification
  • CompTIA Network+
  • Certified Network Computer Technician (CNCT)
  • Cisco Certificiation in Routing & Switching (CCNA RS)
  • Microsoft Certified IT Professional (MCITP)
  • Cisco Certified Network Professional (CCNP)
  • Cisco Certified Entry Networking Technician (CCENT)
  • Cisco Certified Network Associate (CCNA)
  • IAT III Baseline Certification (CISSP/CASP)
Clearance:
  • Must have a minimum active Top Secret clearance (US citizenship required).

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