Senior Enterprise Security Engineer
Frost Bank
San Antonio, TX · Posted October 22, 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 computer occupations, all other, AI is already used for a large share of the tasks. Measured exposure for computer occupations, all other: 31% (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.
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About the job
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 a Senior Enterprise Security Engineer , you are responsible for developing strategies, processes and procedures to ensure the security of Frost Bank’s infrastructure. You will install, monitor, and maintain security affecting firewalls, 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 monitoring to ensure system compliance
Provide technical direction regarding IT Security standards for infrastructure configuration
Create processes / metrics/reporting on security technologies and applications
Coordinate cyber security technology remediation efforts with multiple stakeholders to ensure security compliance
Maintain and expand knowledge 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.