Network Security Administrator

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

Job Title: Network Security Administrator

Status: Full Time

Location: Wood River, IL - On Site Position (Remote work not available for this position)

1 st MidAmerica is a trusted financial institution dedicated to providing exceptional service to our members. We pride ourselves on our commitment to the communities we serve and our focus on delivering an array of financial products for each step in their financial journey. We are currently seeking motivated and member-oriented individuals to join our team as a Network Security Administrator.

Job Summary:

We are seeking a Network Security Administrator to implement and manage our network security measures, problem resolution, change requests, system diagnostics, network monitoring and projects of varying degrees supporting departmental and credit union initiatives. Ensuring a high level of integrity, confidentiality and availability of data and systems.

Key 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.

Qualifications:

• Minimum of 3 years experience with LAN/WAN Network Administration, and system management.
• Bachelor's degree in Computer Science, Information Systems or Management Information Systems or related field preferred or combination of coursework and related work experience. CompTIA Security+ Preferred.
• Other Skills Required: Understanding of LAN routing, switching, and firewalls. Knowledge and experience in the following areas: patch management, OS upgrades, security, vulnerability scanners, system monitoring, SIEM and endpoint protection. Strong organizational abilities and be capable of managing multiple priorities while maintaining a professional service attitude. High sense of urgency and accountability. Strong analytical ability and skill in problem solving. Strong verbal and written communication skills with IT professionals, vendors and users. Experience in digital security investigations. Intrusion Detection and Prevention Systems. Identity and Access Management. CrowdStrike knowledge.

What We Offer:

• Competitive salary and benefits.
• Opportunities for career growth.
• Supportive team environment.

Schedule:

• Monday – Friday 8:00 AM – 5:00 PM
• Participate in on-call 24/7 coverage on a rotational basis.

Disclaimer

Must be able to work and travel to different credit union locations as determined by management.

1 st MidAmerica is an Equal Opportunity Employer.