Senior IT Engineer Jobs in Missouri
Senior IT Engineer jobs in Missouri are open across St. Louis, Kansas City, and Jefferson City and other Missouri metros, with employers like CVS Health, Clayco, and DigitalOcean hiring at every experience level. Find a role that fits below and apply directly.
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Showing 5 of 9+ Senior IT Engineer jobs
Job Description
My Name is Larry and I am a Recruiter with JNIT Technologies I am writing to you regarding work experience in connection with various opportunities with JNIT Technologies Specifically, we are looking for IT EDI Developer and noticed you have the relevant skills and experience.
Please let me know the best time and number to contact you so we can discuss your interest and availability. Alternatively, please feel free to call me on 972-737-8248 at your convenience. Reach me
Position - IT EDI Developer - Senior
Location: St.Louis, MO
Duration: 6 Month Contract TO HIRE
End Client: Express Scripts
Position Summary: B2B/EDI engineer responsible for detail design, development, documentation, debugging and implementation of B2B/EDI solutions. Recommends changes and enhancements to improve quality of products and/or procedures.
ESSENTIAL FUNCTIONS
-
Participate in developing software according to established requirements, technical plans, standards and system architecture specifications.
-
Utilize development practices that adhere to the Express Scripts Inc. (ESI) and B2B department policies, procedures and patterns ("Best Practices").
-
Architect, design, development, test, and implementation of applications.
-
Architect, design and implement a highly available and supportable run time environment.
-
Assist in building technical standards, methodologies and processes for successfully building first class external client integration (B2B) environment.
-
Resolve daily technical (support) issues and communicate solutions to the business community and technical staff.
-
Write documentation describing program development, logic, coding, and corrections.
-
Provide assistance to IT team members with issues needing technical expertise or systems and/or programming knowledge.
QUALIFICATIONS
-
Advanced WTX/Mercator programming skills.
-
Advanced UNIX/Linux skills.
-
Advanced knowledge of client integration (B2B) concepts and Electronic File Standards/Formats
- x12 EDI
- XML
- NCPDP
- HIPAA
All your information will be kept confidential according to EEO guidelines.
Job Description
My Name is Larry and I am a Recruiter with JNIT Technologies I am writing to you regarding work experience in connection with various opportunities with JNIT Technologies Specifically, we are looking for IT EDI Developer and noticed you have the relevant skills and experience.
Please let me know the best time and number to contact you so we can discuss your interest and availability. Alternatively, please feel free to call me on 972-737-8248 at your convenience. Reach me
Position - IT EDI Developer - Senior
Location: St.Louis, MO
Duration: 6 Month Contract TO HIRE
End Client: Express Scripts
Position Summary: B2B/EDI engineer responsible for detail design, development, documentation, debugging and implementation of B2B/EDI solutions. Recommends changes and enhancements to improve quality of products and/or procedures.
ESSENTIAL FUNCTIONS
-
Participate in developing software according to established requirements, technical plans, standards and system architecture specifications.
-
Utilize development practices that adhere to the Express Scripts Inc. (ESI) and B2B department policies, procedures and patterns ("Best Practices").
-
Architect, design, development, test, and implementation of applications.
-
Architect, design and implement a highly available and supportable run time environment.
-
Assist in building technical standards, methodologies and processes for successfully building first class external client integration (B2B) environment.
-
Resolve daily technical (support) issues and communicate solutions to the business community and technical staff.
-
Write documentation describing program development, logic, coding, and corrections.
-
Provide assistance to IT team members with issues needing technical expertise or systems and/or programming knowledge.
QUALIFICATIONS
-
Advanced WTX/Mercator programming skills.
-
Advanced UNIX/Linux skills.
-
Advanced knowledge of client integration (B2B) concepts and Electronic File Standards/Formats
- x12 EDI
- XML
- NCPDP
- HIPAA
All your information will be kept confidential according to EEO guidelines.
See All 9 Senior IT Engineer Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
Find Senior IT Engineer JobsSenior IT Engineer Jobs by City in Missouri
Where Missouri roles are concentrated, by current openings.
Senior IT Engineer Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring
- CVS Health1
- Clayco1
- DigitalOcean1
- Jnit Technologies1
- Mastercard1
Top Industries Hiring
- Technology & Software4
- Construction & Real Estate1
- Education1
- Healthcare & Medical Services1
- Law & Legal Services1
What Missouri Employers Look For
The qualifications that appear most often in senior IT engineer jobs across Missouri.
- 5 or more years of IT infrastructure, systems administration, or network engineering experience
- Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud
- Proficiency in network protocols, routing, switching, and firewall configuration
- Active certification such as CCNP, AWS Solutions Architect, or Microsoft Certified: Azure Administrator
- Experience with virtualization technologies including VMware vSphere or Microsoft Hyper-V
- Bachelor's degree in information technology, computer science, or a related technical field
Senior IT Engineer Jobs in Missouri: Frequently Asked Questions
How many senior IT engineer jobs are there in Missouri?
There are 9+ senior IT engineer 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.
Which Missouri cities have the most senior IT engineer jobs?
St. Louis, Kansas City, and Jefferson City have the most senior IT engineer openings in Missouri right now, with additional roles spread across smaller metros statewide.
Which companies hire senior IT engineers in Missouri?
Employers hiring senior IT engineers in Missouri include CVS Health, Clayco, and DigitalOcean, based on current listings on Migrate Mate as of June 2026.
Are there remote senior IT engineer jobs in Missouri?
Yes. About 11% of senior IT engineer 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 engineer jobs in Missouri?
You can apply to senior IT engineer 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 9 Senior IT Engineer Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
Find Senior IT Engineer Jobs