Senior IT Architect Jobs in Missouri
Senior IT Architect jobs in Missouri are open across St. Louis, Kansas City, and Jefferson City and other Missouri metros, with employers like Ameren, Burns & McDonnell, and CVS Health hiring at every experience level. Find a role that fits below and apply directly.
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About Ameren Services (B& CS)
Ameren Services provides administrative support and services to Ameren Corporation and its operating companies, subsidiaries and affiliates. Ameren Services includes a wide range of skill sets and roles, from finance and legal experts to digital and cyber specialists, plus those charged with ensuring environmental compliance and operational safety. Together, we help execute a strategy that enables Ameren to deliver superior long-term value to customers, shareholders and the environment.
Our benefits include:
- Medical coverage on date of hire
- 100% employer paid cash balance pension plan
- 401(k) with company match fully vested on date of hire
- Minimum of 15 days paid vacation and 12 paid holidays
- Paid parental leave and family caregiver leave
Visit our Benefits & Perks Page for more information on benefits provided to regular full-time employees.
ROLE AND RESPONSIBILITIES
The Information Technology (IT) Auditor II works closely with all levels of management to perform audits of the Company's operations and projects, focusing on those that support Digital strategic initiatives and business plans. The IT Auditor II assesses the effectiveness of processes and controls associated with the company's various Digital applications and systems, including Digital project implementations, cybersecurity, data privacy, and Sarbanes-Oxley.
Key responsibilities include:
- Conduct reviews to evaluate compliance with policies, processes, and controls prescribed by management (e.g., Digital security standards, change management standards, data privacy, project management) and applicable regulations (e.g., Sarbanes-Oxley). Execute reviews according to audit plan objectives, scope, timing, and deliverables.
- Collaborate with Digital management and process owners to identify and evaluate current business, strategic, cybersecurity, and operational risks and priorities against the related processes and controls. Communicate the audit status and findings to key stakeholders and assist management in developing action plans to address the root cause and improve operations.
- Assist audit teams on processes and controls supporting business initiatives, software implementations, process redesign, or other special projects.
- Support the Senior Auditor in risk assessment activities, including evaluating cyber, project, and operational risks, identifying emerging risks, and developing the audit plan and objectives.
- Collaborate with the external auditing firm on the timing and scope of assurance work that is relevant to the firm's scope of work and Internal Audit.
- Apply critical judgment, strong analytic skills, and sound independent decision-making. Display strong presentation, verbal, and written communication skills.
BASIC QUALIFICATIONS
IT Auditor II
- Bachelor’s Degree from an accredited college or university required, preferably in Business Administration, Information Systems, Computer Science, Accounting, Finance, or related field.
- Advanced college degree preferred.
- One or more years of relevant experience in external auditing, internal auditing or an IT related field required. Three or more years of experience preferred.
- Experience with Sarbanes-Oxley IT compliance and/or business risk assessment in a regulated environment preferred.
- Public accounting or audit experience preferred.
Senior IT Auditor
- Bachelor’s Degree (preferably in Business Administration, Computer Science, Accounting, Finance, or related field) from an accredited college or university required. Advanced college degree preferred.
- Three or more years of relevant experience in external auditing, internal auditing or an IT related field required. Five or more years of experience preferred.
- Experience with Sarbanes-Oxley compliance and/or business risk assessment in a regulated environment preferred.
- Public accounting or audit experience preferred.
In addition to the above qualifications, the successful candidate will demonstrate:
- IT Auditor II - Professional certification such as CISA, CISSP, CPA, CIA, PMP or similar certification OR the ability to meet the certification requirement within twenty-four (24) months is required. Proficiency in internal auditing professional standards preferred.
- Senior IT Auditor - Professional certification such as CISA, CPA, CIA, PMP or similar certification required. Knowledge of Oracle preferred. Proficiency in internal auditing professional standards required.
Ameren’s selection process includes a series of interviews and may include a leadership assessment process. Specific details will be provided to qualified candidates.
LI-Hybrid
Compensation Range:
$71,100.00 - $137,200.00* This pay range encompasses multiple levels of the role. Career level and compensation depends upon applicant’s credentials.
At Ameren, base salary is one component of a competitive compensation package for employees. Our pay ranges are broad to allow for movement within our organization and to accommodate different skill sets and levels of expertise. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the base salary offered. Roles are eligible for additional rewards including annual incentive payments based on individual and company performance.
If end date is listed, the posting will come down at 12: 00 am on that date:
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, genetic information, military service or status, pregnancy, marital status, sexual orientation, gender identity or expression, or any other class, trait, or status protected by law.
See All 11 Senior IT Architect Jobs in Missouri
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Find Senior IT Architect JobsSenior IT Architect Jobs by City in Missouri
Where Missouri roles are concentrated, by current openings.
Senior IT Architect Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring
- Ameren1

- Burns & McDonnell1

- CVS Health1

- Clayco1

- DigitalOcean1

Top Industries Hiring
- Technology & Software4
- Construction & Real Estate2
- Consulting & Professional Services1
- Education1
- Energy1
What Missouri Employers Look For
The qualifications that appear most often in senior IT architect jobs across Missouri.
- Bachelor's degree in computer science, information systems, or a related engineering field
- Ten or more years of progressive IT experience with at least five in an architecture role
- Proficiency in cloud platforms such as AWS, Microsoft Azure, or Google Cloud
- TOGAF certification or demonstrated experience applying an enterprise architecture framework
- Experience designing solutions that meet security, compliance, and regulatory requirements
- Strong stakeholder communication skills including presenting architecture decisions to executive leadership
Senior IT Architect Jobs in Missouri: Frequently Asked Questions
How many senior IT architect jobs are there in Missouri?
There are 11+ senior IT architect openings in Missouri on Migrate Mate as of June 2026, with the most roles in St. Louis, Kansas City, and Jefferson City. New positions post regularly as employers across Missouri hire.
How much do senior IT architects make in Missouri?
Senior IT architects in Missouri earn a median of about $103,130 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $62,080 for the lowest 10% to over $168,820 for the top 10%. Pay rises with experience, specialty, and employer.
Which Missouri cities have the most senior IT architect jobs?
St. Louis, Kansas City, and Jefferson City have the most senior IT architect openings in Missouri right now, with additional roles spread across smaller metros statewide.
Which companies hire senior IT architects in Missouri?
Employers hiring senior IT architects in Missouri include Ameren, Burns & McDonnell, and CVS Health, based on current listings on Migrate Mate as of June 2026.
Are there remote senior IT architect jobs in Missouri?
Yes. About 18% of senior IT architect openings tied to Missouri are remote or hybrid as of June 2026. The rest are on-site roles based in Missouri metros.
How do I apply for senior IT architect jobs in Missouri?
You can apply to senior IT architect jobs in Missouri directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Missouri location, then apply to each one that fits.
See All 11 Senior IT Architect Jobs in Missouri
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