Onsite Network Security Administrator – Wood River

1st MidAmerica; Wood River (IL); On-site; USD 85,000 - 120,000; Full time

Job summary

1st MidAmerica is seeking a Network Security Administrator to implement and manage network security measures, monitor and diagnose systems, and support security-related projects. This on-site role focuses on maintaining data integrity, confidentiality, and availability across the credit union infrastructure.

The candidate will design and oversee security infrastructure, manage firewalls, IDS/IPS, encryption, and endpoint protection, while conducting vulnerability assessments and maintaining

Qualifications

• Minimum 3 years of LAN/WAN network administration and system management.
• Bachelor's degree in Computer Science, Information Systems, MIS, or related field; Security+ preferred.
• Strong knowledge of patch management, OS upgrades, security, vulnerability scanners, system monitoring, SIEM and endpoint protection.

Responsibilities

• Design, implement, and oversee the network security infrastructure.
• Install, administer, and troubleshoot network security solutions such as firewalls, intrusion detection systems, anti-virus software, and data encryption.
• Conduct, monitor and manage regular security assessments and vulnerability scans to identify and mitigate risks.
• Create and maintain detailed network diagrams and documentation for all network services.
• Maintain and organize local data center, track equipment and software licenses, maintain equipment documentation and inventory
• Monitor network traffic and user logs for suspicious activity and respond to security incidents.
• Monitor resource rights and adhere to best practices of least privilege rights. Review and configure firewall rules.
• Set up network devices such as switches. Support users in the use of Windows OS and all other system applications.

Skills

LAN/WAN Administration

Network security

Vulnerability assessment

SIEM

Endpoint protection

Identity & Access Management

Incident response

Problem solving

Documentation

Education

Bachelor's degree in Computer Science / Information Systems / MIS

CompTIA Security+ preferred

Tools

CrowdStrike

Firewall rules

Data encryption

VPN/Remote access

Job description

1st MidAmerica is seeking a Network Security Administrator to implement and manage network security measures, monitor and diagnose systems, and support security-related projects. This on-site role focuses on maintaining data integrity, confidentiality, and availability across the credit union infrastructure.

The candidate will design and oversee security infrastructure, manage firewalls, IDS/IPS, encryption, and endpoint protection, while conducting vulnerability assessments and maintaining