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Salary
≈ $195k – $373k per year (Estimated)
Location
In office (San Antonio)
Seniority
Senior · 6+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 25, 2026. First seen by Alion on Jul 23, 2026. Frost Bank scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Frost Bank is a Texas commercial bank headquartered in San Antonio, offering personal, small business and commercial banking, mortgages, treasury management, investments, wealth management, private banking, trust services and insurance through Frost Insurance Agency. Founded in 1868 when its founder began offering banking services from the back of a mercantile store in San Antonio, it is the principal subsidiary of Cullen/Frost Bankers and operates branches across Texas markets including Austin, Dallas, Fort Worth and Houston. It hires software and data engineers, information security analysts, credit underwriters, financial crimes analysts, insurance account managers and banking trainers.

Job Description

It’s about building something real.

Do you like helping others understand the tools of today? Are you passionate about finding solutions to problems and enjoy the freedom of making those decisions? Do you enjoy working with others to develop, maintain, and administer applications? If so, the Senior Enterprise Security Engineer position could be your calling.

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 aSenior Enterprise Security Engineer, you are responsible for developing strategies, processes and procedures to ensure the security of Frost Bank’s infrastructure. You willinstall, monitor, and maintain security affectingfirewalls, servers, desktops, databases. networks,and cloud technologies. You believe in effective communication and will have the opportunity to address potential problems and solutions to complex issues with integrity, caring, and excellence.

What you’ll do:

  • Develop and maintain a methodology for managing cyber security technologies

  • Lead the installation, decommission, and maintenance of security applications/tools

  • Provide support on a rotational 24/7 coverage schedule as assigned

  • Conduct testing and create recommendations for security technologies and their configuration

  • Design and implement security tool performance monitoringto ensure system compliance

  • Provide technical direction regarding IT Security standards for infrastructure configuration

  • Create processes/metrics/reportingon security technologies and applications

  • Coordinate cyber security technologyremediation efforts with multiple stakeholders to ensure security compliance

  • Maintain and expandknowledge of security technology’s, threats, and vulnerabilities

  • Provide guidance and support to members of the security team

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

What you’ll need:

  • 6+ years as a network and/or security engineer in a corporate environment

  • Technical knowledge and understanding of infrastructure and security technologies to include:Cloud, Windows & UNIX based servers, workstations, EDR, DLP, vulnerability scanning, proxy and IDS/IPS systems

  • Demonstrated analytical, problem solving, planning and organizational skills

  • Excellent verbal and written communication skills

  • Proficient in Microsoft computer applications

Additional Preferred Skills:

  • Bachelor's degree or equivalent experience

  • CISSP, CISA, GIAC (GSEC, GCIA, etc.)

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.

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