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Information Security Analyst III - Vulnerability Management

Frost Bank

San Antonio, TX · Posted October 31, 2026

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About the job

Job Description

It’s about taking care of people, our people.

Are you known for your ability to think outside the box? Are you never satisfied with good enough? Does solving complex problems and ensuring top-quality standards excite you? If so, being an Information Security Analyst III with Frost could be for you.

At Frost, it’s about more than a job. It’s about having a flourishing career where you can thrive, both in and out of work. At Frost, we’re committed to fostering an environment that reflects our values and encourages team members to be the best they can be. In joining our adaptable, integrity-driven team, you’ll become part of Frost’s over 150-year legacy of providing unparalleled banking services.

Who you are:

As an Information Security Analyst III - Vulnerability Management , you are our security champion. In this role, you’ll keep Frost data and IT Systems secure by analyzing and responding to IT security alerts. You will coordinate applications and enterprise vulnerability and penetration tests. You will also be responsible for performing and monitoring security processes across the organization. You believe in servant leadership and will provide technical expertise to the IT Security team.

What you’ll do:

Investigate, assess, and coordinate remediations of security vulnerabilities across enterprise infrastructure, cloud environments, applications, and supporting technologies

Effectively communicate while leading incident response efforts, engaging executive and board-level leadership with clear, concise, and strategic updates

Demonstrate effective presentation skills by clearly articulating security risks, vulnerability impacts, and mitigation strategies to both technical and non-technical stakeholders, ensuring alignment with business objectives

Analyze vulnerability scan results and related security data to identify risks, validate findings, investigate false positives, and provide remediation guidance

Maintain and continuously enhance security platforms and solutions to improve effectiveness, resilience, and alignment with evolving threats and business needs

Perform and document security processes including vulnerability detection, remediation tracking , exception management , compliance monitoring, and risk assessments

Coordinate and perform application and enterprise vulnerability and penetration testing, analyze the results, and initiate remediation processes

Partner with technology teams to investigate complex vulnerabilities, validate remediation activities, troubleshoot findings, and reduce organizational risk

Design, configure, test, implement, maintain, and document detection, prevention, and response processes in alignment with regulatory and compliance requirements

Maintain a current and high level of knowledge of cyber security threats and vulnerabilities, industry and regulatory standards, and market innovations

Evaluate new security technologies to identify potential business value

Represent the IT Security department on interdepartmental projects and collaborative efforts

Always take action using Integrity, Caring, and Excellence to achieve all-win outcomes

What you’ll need:

Bachelor's degree in IT Security, a related field, or equivalent experience

5+ years of experience in Information Security, Vulnerability Management , or a related technical discipline

Technical expertise in vulnerability management , vulnerability scanning, risk prioritization , container and cloud environments, operating systems, networking, threat intelligence, and/or security operations technologies

CISSP or the ability to attain within 6 months

Excellent written and verbal communication skills, including the ability to present technical risks and recommendations to both technical and executive audiences

Strong analytical and troubleshooting skills with experience validating vulnerability findings, identifying false positives, coordinating remediation efforts, and driving issues through resolution

Additional Preferred Skills:

Experience with ticketing platforms, Tenable, Qualys, Rapid7, or similar vulnerability management platforms

Experience evaluating zero-day vulnerabilities and emerging threats.

Security+ certification, GSEC certification, or other industry-recognized cybersecurity certifications

Experience developing vulnerability metrics, dashboards, and executive reporting

Our Benefits:

At Frost, we care about your health, your family, and your future and strive to have our benefits reflect that. This includes:

Medical, dental, vision, long-term disability, and life insurance

401(k) matching

Generous holiday and paid time off schedule

Tuition reimbursement

Extensive health and wellness programs, including our Employee Assistance Program

Referral bonus program + more!

Since 1868, Frost has dedicated their expertise to provide exceptional banking, investment, and insurance services to businesses and individuals throughout Texas. Frost is one of the 50 largest U.S. banks by asset size and is a leader in banking customer satisfaction. At Frost, it’s about being part of something bigger. If this sounds like you, we encourage you to apply and see what’s possible at Frost.