Network Security Administrator III
RSR Group, Inc. · Winter Park, FL · 3 days ago
On-siteInformation TechnologyFull-time
About the role
The Network Administrator III leads and manages network projects by recommending solutions to network strategy and security issues, as well as providing network-engineering solutions and options for the organization.
Responsibilities
- Develops detailed network specifications and adheres to standards in support of new project scope work.
- Develops and recommends strategies for network growth, security, and enhancements by maximizing functionality of network equipment such as routers, switches, load balancers, and firewalls.
- Reviews and performs risk assessments on existing or new systems and recommends security improvements.
- Interacts and negotiates with vendors, outsourcers, and contractors to secure network products and services.
- Performs network analysis, capacity planning, and testing for the organization's LAN/WAN environment.
- Maintains a proactive role by understanding current and emerging security threats, standards, practices, and security products, matching them with organizational needs.
- Creates, updates, and provides recommendations and documentation for procedures and processes for all aspects of security and cybersecurity design.
- Maintains a library of associated materials for all equipment, processes, and procedures.
- Assists in the design, installation, and testing of network topologies to support Internet and other data transport channels.
- Supports installation and maintenance of PC/Server hardware and software.
- Designs and manages wireless networking solutions.
- Monitors wireless network health and the organization’s wireless infrastructure to ensure secure, continuous network access.
- Assists in the design, installation, and troubleshooting of Windows and Linux IP-based LANs/WANs/MANs and IP-based routing and bridging solutions.
- Understands multi-ISP/WAN load-balancing solutions, including link-load balancing and SD-WAN technologies.
- Performs routine and emergency maintenance of all data center equipment.
- Provides network performance monitoring, analysis, and responds to physical and cybersecurity system hardware and software problems.
- Familiar with supporting remote network access technologies such as VPN, Zero Trust, and other cloud-based solutions.
- Establishes response drills to ensure staff readiness and improve response processes.
- Analyzes and makes recommendations to improve network, system, and application architectures; performs penetration and vulnerability scans/testing and internal and external security audits to uncover network vulnerabilities.
- Monitors network security to prevent network intrusion and examines network logs to determine trends and identify security incidents; works with relevant personnel and vendors to investigate security breaches and other cybersecurity incidents.
- Analyzes and evaluates LAN/WAN changes, additions, and reconfigurations.
- Contributes to the development and administration of the network backup and recovery plan to maintain LAN/WAN network systems operation.
- Identifies, corrects faults, and resolves complex problem tickets escalated from the help desk.
- Monitors and maintains the company's firewalls, including Web Application Firewalls.
- Assists in solving problems related to cybersecurity or physical security, including security cameras, security video storage devices, and access control systems.
- Assists with installing and maintaining company phone systems.
- Able to troubleshoot VoIP voice quality latency and jitter issues.
- Responds to security system, fire system, and equipment emergencies, which may include after-hours responses.
- Maintains a proactive role, understanding and evaluating current and emerging technologies, and matching them with the company's needs.
- Continually improves job knowledge by tracking and understanding emerging security threats, standards, practices, and security products.
Requirements
- Undergraduate college degree in a related field; or seven years related experience and/or training; or equivalent combination of education and experience.
- Experience in designing, implementing, maintaining, and supporting a wide array of cybersecurity products.
- Experience with Network Performance Tuning, LAN Knowledge, Network Design and Implementation, and Knowledge of Cisco Routers and switches.
- Experience with networking monitoring tools such as SolarWinds, Manage Engine, Zabbix, etc.
- Experience with Meraki and Sophos Cloud Management is a plus.
- Thorough knowledge of computer hardware and software.
- Strong attention to detail, excellent verbal and written communication skills, and strong organizational skills.
- Computer proficiency in Excel and Word.
- Occasional travel is required.
- Windows and Linux knowledge helpful, along with experience in VMware ESXi Hypervisor.
Physical Demands
- This position may require occasional lifting of up to 50 lbs.
- Regularly required to talk and hear.
- Frequently required to walk, sit, and use hands to handle or feel, and reach with hands and arms.
- Specific vision abilities required include close vision, distance vision, peripheral vision, and ability to adjust focus.