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Senior Auditor I - Information Systems
Flexible Locations:
Jackson, MS
or work from 2 other locations
Memphis, TN
Birmingham, AL
Type: Regular Full-Time
Job ID: 2023-15899
Category: Audit

The Senior Information Technology Auditor performs advanced (senior-level) information systems auditing. Work involves leading and conducting technical audits of information systems, platforms, and operating procedures. Prepares audit findings regarding the efficiency, accuracy, security of financial and non-financial programs. Assigns the work of others when acting as a project team lead. Works under limited supervision, with considerable latitude for the use of initiative and independent judgment.

  • Performs information systems audits, including IT governance and strategic planning, IT general controls, application controls, information security, and evaluation of information technology operating procedures and internal controls.
  • Conducts interviews of audit clients and prepares system and data diagrams to identify manual and systems process interaction and critical controls.
  • Conforms to standard audit procedures in performing advanced audit work, including identifying issues and developing recommendations, developing criteria for procedures, reviewing, and analyzing relevant information, evaluating evidence, documenting business processes and procedures, and completing audit documentation.
  • Evaluates and provides the appropriate levels of consulting, testing, assistance, and recommendations for the use, integration, maintenance, and enhancement of IT systems throughout the agency.
  • Provides technical support for financial and performance audits and performs information technology audits and computer-assisted audits.
  • Tests transactions; ensures compliance with laws, regulations, and policies on privacy and public access to data; and tests controls.
  • Collecting and analyzing complex data, evaluating information and systems, and drawing logical conclusions, assessing internal controls over key information systems risks, and using analytical software tools, data analysis methods, and other computer applications.
  • Planning and project management and maintaining composure under pressure while meeting multiple deadlines.
  • Negotiating issues and resolving problems.
  • Using a computer in a Windows environment with Microsoft Office word processing, spreadsheet, and other business software to prepare reports, memos, summaries, and analyses.
  • Effective verbal and written communications, including interpersonal and active listening skills and presenting findings and recommendations.
  • Establish and maintain harmonious working relationships with co-workers management, staff, and external contacts.
  • Work effectively in a professional team environment.
  • Maintain professional ethical standards.


  • Bachelor’s degree from an accredited college or university.
  • Graduation from an accredited four-year college or university with major coursework in computer science, information systems, business administration, or a related field
  • Five (5) years of full-time progressively responsible experience in auditing information systems, controls, and security, including three (3) years of project management experience or experience as an information security analyst or a cybersecurity analyst
  • Master’s degree or a second certification may substitute for one (1) year of the required audit experience.


  • Bachelor or master’s degree in computer science or information systems.
  • Certified Information Systems Security Professional (CISSP) or Certified Internal Auditor (CIA).
  • Experience planning and coordinating audits in information systems.
  • Experience performing complex information technology audit-related data analysis.
  • Experience with ACL or similar data-mining tool.
  • Certified Information Systems Auditor (CISA). CISA certification can be substituted with 3 years’ experience as a security analyst or cybersecurity analyst.
  • Strong verbal and written communication skills.
  • Strong critical thinking and analytical skills.
  • Ability to manage multiple tasks and deadlines simultaneously.


Working with Us

Teamwork and the individual contributions of our associates are recognized as the drivers of our success.  At Trustmark, we are committed to preserving and advancing a diverse and inclusive workplace, where each associate, customer and shareholder is respected, valued and encouraged to share in our commitment.  We make significant investments in our associates so that they may enhance their personal and professional skills, because we want each associate to grow, flourish and fulfill their career aspirations.  Come onboard and join our team!


Equal Opportunities for All

Trustmark exemplifies the strength and possibilities that come with a diverse and inclusive team. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, marital status, genetic information, pregnancy, national origin, protected veteran, disability status, or any other characteristic protected under applicable law. Trustmark is committed to providing access, equal opportunity and reasonable accomodation for individuals with disabilities in employment.


If you need accomodation for any part of the application process because of a medical condition or disability, please send an email to or call 866.213.1418.


Our Hiring Process

Upon accepting a position with Trustmark, the following pre-employment screenings must be completed:

  • Verification of employment, education and other data provided by you on your employment application
  • Verification of eligibility to work in the US
  • Criminal background check
  • Credit check (required for certain positions)
  • Fingerprinting (required for certain positions)
  • Drug screen