Unix Security Engineer

Salary: $123,000 - 163,000 per year
Requirements:
We need candidates with experience in a comparable security engineering role, or with strong knowledge and capability to perform the listed duties successfully. We value relevant education and/or training as an added advantage.
Responsibilities:
We develop and implement security controls to protect our organization. We assess current security practices and recommend improvements to leadership for greater efficiency and stronger protection. We share our findings with managers and propose new technologies or policy updates. We research security risks and design effective strategies to reduce threats, including secure handling of sensitive information. We prepare and review security assessments to measure changes in risk performance over time. We reduce exposure by evaluating infrastructure and devices, identifying weaknesses, and applying control analysis to drive prompt remediation. We adjust software permissions to prevent unauthorized access, while monitoring firewalls and switches to help avoid data loss and identity theft. We create platform accounts and manage passwords for automated application jobs across DEV, TEST, and PRODUCTION environments on Unix/Linux platforms. We provision access for users and service accounts by validating security concerns and the required access level. We confirm that elevated or privileged access requests for user and service accounts meet Information Security standards. We collect sensitive details, such as owner and SME information for TPM applications, to support approval of customer-submitted requests. We verify that the appropriate change requests are in place for updates to the relevant platforms and environments.
Technologies:
Support Linux Security Unix AI LESS
More:
We are hiring a Unix Security Engineer in San Antonio, TX for a full-time office-based role reporting to the information technology officer or supervisor. We offer comprehensive benefits for eligible employees, including medical, dental, and vision insurance, HSA, FSA, 401(k), and life, disability, and AD&D coverage. Salaried employees receive paid time off, while hourly employees receive sick leave where required by law or on Service Contract Act projects. This role is not eligible for bonuses, incentives, or commissions. We are an equal opportunity employer and consider all qualified applicants without regard to protected characteristics.
last updated 30 week of 2026