Information Security Analyst III - Vulnerability Management
Frost Bank
San Antonio, TX · Posted October 31, 2026
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Where San Antonio, TX ranks
Where San Antonio, TX placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best all-round cities for new graduates in the Southwest67 / 100 · of 15
- #5Cities with the most jobs that do not need a four-year degree in the Southwest136 jobs · of 38
- #5Cities hosting the most business conferences in the Southwest29 conferences · of 16
- #6Best college towns for junior jobs in the Southwest36% · of 32
- #6Cities hosting the most government & public sector conferences5 conferences · of 29
- #7Best cities for pay after cost of living in Texas$123k · of 8
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
How AI is used in this kind of work
Among information security analysts, AI is already used for a large share of the tasks. Measured exposure for information security analysts: 49% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
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.