Sr. Network Administrator
Job in
Valley Springs, Minnehaha County, South Dakota, 57068, USA
Listed on 2026-02-12
Listing for:
i2c Inc
Full Time
position Listed on 2026-02-12
Job specializations:
-
IT/Tech
Cybersecurity, Network Engineer, Systems Engineer, Network Security
Job Description & How to Apply Below
Responsibilities
- Administering Cisco and Palo Alto-based network devices located globally
- Monitor network performance and troubleshoot issues to maintain efficiency, reliability and high availability
- Analyze network traffic and usage patterns to optimize performance and scalability
- Respond to and resolve network outages, incidents, and service requests in a timely manner
- Work with team to support on-prem and cloud-based network integrations
- Implement security measures, including firewalls, intrusion detection systems, and access controls, to safeguard network integrity
- Regularly installing and updating network device software with the latest stable releases.
- Managing access controls as per business requirements and documenting all changes.
- Conducting continuous research on the latest technologies to improve the network infrastructure.
- Collaborating with the team to identify and implement infrastructure improvements.
- Maintaining detailed network documentation, including audit trails, processes, maintenance records, and diagrams.
- Ensuring the timely completion of support tickets and assigned tasks
- Deep understanding of generic network attacks and take care of it pro-actively
- Education: Bachelor’s degree in Computer Science, Information Technology, Telecommunications, Electrical Engineering or a related field
- Experience: 4-5 years
- Flexible to work in a 24x7x365 environment.
- Strong knowledge of computer networking principles.
- Ability to work collaboratively within a team to manage networks across remote locations.
- Excellent verbal and written communication skills.
- Strong analytical, interpersonal, and problem-solving abilities.li>
- Capable of working independently and as part of a teamin a fast-paced environment
- Strong knowledge of Cisco and Palo Alto Next Gen network devices is a must
- Hands-on experience of Layer-2 and Layer-3 high-availability technologies.
- Hands-on experience of routing protocols (BGP/OSPF)
- In-depth knowledge of Site-to-Site and Remote Access VPN
- In-depth knowledge of Authentication protocols (TACACS+/RADIUS)
- In-depth knowledge of virtualization and SD-WAN technologies
- Expertise in the latest network technologies
- Hands-on experience with cloud networking (AWS, Azure, or Google Cloud) is a plus
- Scripting knowledge (Python, Ansible) for network automation is a plus
- Good knowledge of Linux operating system is a plus
- Completion of relevant trainings such as CCNA, CCNP or equivalent is a must
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