Sr. Network Security Analyst
Cybersecurity Jobs
Jacksonville
Posted October 13, 2026
Description
<p>The Sr. Network Security Analyst role at Landstar System Holdings, Inc. focuses on investigating security event data, identifying potential threats, and supporting the ongoing development of IT security compliance policies and procedures.</p><br /><h3>Location and Work Arrangement</h3><br /><p><b>Jacksonville, FL</b> (hybrid). The schedule is <b>Monday through Friday, 8:00 AM to 5:00 PM</b>, with <b>one week on call rotation</b>.</p><br /><h3>Schedule</h3><br /><p><b>Monday–Friday 8–5</b> with <b>one week on call rotation</b>.</p><br /><h3>Core Responsibilities</h3><br /><ul><br /><li>Investigate and analyze <b>system logs</b> and <b>security event data</b> to identify potential threats.</li><br /><li>Evaluate <b>systems and applications</b> for vulnerabilities by scanning for risks and providing solutions.</li><br /><li>Implement and maintain <b>security tools</b> designed to protect against cyber threats.</li><br /><li>Partner with other <b>IT teams</b> to support secure configuration and system integrity.</li><br /><li>Produce detailed <b>security-related reports</b> that include trends and metrics.</li><br /><li>Remain current on security enhancements and recommend improvements to <b>IT system owners</b>.</li><br /><li>Implement and support <b>security solutions</b> managed by the IT Security Team.</li><br /><li>Assist with creating and modifying <b>IT security policies and procedures</b>, supporting compliance with industry standards.</li><br /><li>Collaborate with <b>business units</b> to meet cybersecurity requirements in contractual agreements.</li><br /></ul><br /><h3>Required Qualifications</h3><br /><ul><br /><li><b>3 years</b> of experience as an <b>IT Security Analyst</b> or <b>Network Engineer</b>.</li><br /><li><b>Associate degree (A.A.)</b> from a two-year college or technical school, or equivalent experience.</li><br /><li><b>1 year</b> experience with <b>API development</b>.</li><br /><li><b>1 year</b> experience in a <b>Security Operations Center (SOC)</b> environment.</li><br /><li>Proven expertise in <b>analyzing system logs</b> and identifying security threats.</li><br /><li>Strong understanding of <b>cybersecurity principles and practices</b>.</li><br /></ul><br /><h3>Preferred Qualifications</h3><br /><ul><br /><li>Relevant security certifications are <b>highly preferred</b>, such as <b>CISSP</b>, <b>CISM</b>, or <b>CEH</b>.</li><br /></ul><br /><h3>Benefits</h3><br /><ul><br /><li><b>Competitive compensation</b></li><br /><li><b>Robust benefit plans</b> including affordable medical plans</li><br /><li><b>Employer 401(k) match</b></li><br /><li><b>Paid time off</b></li><br /><li><b>Tuition assistance</b></li><br /></ul><br />#J-18808-Ljbffr
Job Overview
Location
Jacksonville
Job Type
full time
Date Posted
October 13, 2026