Data Infrastructure Analyst Jobs in Missouri (NOW HIRING)

Salary : $65,790.40 - $78,956.80 Annually
Location : Clayton - St. Louis County, MO
Job Type: Full-Time
Job Number: 2026-00330
Department: Information Technology - Administration
Opening Date: 08/31/2026
Closing Date: 9/10/2026 11:59 PM Central
Description
The St. Louis County's Department of Information Technology seeks to hire an experienced, motivated, focused, and security-conscious individual to join our Infrastructure support team. The Infrastructure Analyst role will perform problem resolution in support of the management and support of IT, for both physical and virtual infrastructure. This position will be involved in the installation, configuration, administration and support of our physical and virtual server environment as well as enterprise-wide systems including Microsoft Entra, Microsoft Intune, Office 365, e-Discovery, Active Directory, virtualization, backup/recovery and other cloud services.
The typical starting salary is between $31.63 - $37.96 hourly, depending upon the candidate's qualifications as well as budgetary considerations. As an employer, St. Louis County cares about the health and well-being of our employees. In an effort to provide for the best possible work-life balance, the County offers a generous benefit package which includes affordable health insurance, dental and vision coverage, 4 weeks of Paid Time Off the first year, 11 paid holidays, deferred benefit retirement plan, paid life insurance as well as short- and long-term disability. To learn more about these and other County benefits, please visit:
St. Louis County Government is a qualified agency for the Public Service Loan Forgiveness program managed by the Federal Government. For more information regarding this program, please visit:
Examples of Duties

• Support, maintain and secure the various enterprise wide and administrative applications supported by the infrastructure and operation activities.
• Completion of technical operations, desktop support and architecture projects assigned in timely manner
• Develop suitable technical documentation and training materials of solutions and technology for support of IT teams
• Assist with developing solutions for aging infrastructure
• Assist in documenting processes and workflows
• Skills preferred but not required: Office 365, Active Directory, Virtualization, Intune, Microsoft Entra
• Comply with industry standard system administration techniques and procedures
• Serve on teams and / or committees as assigned
• Perform other duties as required or assigned

Minimum Qualifications

• Equivalent to a bachelor's degree in computer science or a related field
• A minimum of two years of professional work experience in these areas: data systems, network security, operating systems, computer system architecture and virtual infrastructure experience
• Preference may be given to applicants with skills in the following applications:
  • Office 365
  • Active Directory
  • Virtualization
  • Intune
  • Microsoft Entra

Additional Information
SELECTION AND APPOINTMENT: A selection committee will evaluate the qualifications of each applicant which will include recentness and appropriateness of the applicant's education and experience, answers to the supplemental questions, results of employment references investigated and any other appropriate information available.
The selection committee will admit to the interview only those persons who possess the most job-related qualifications and may establish admittance criteria beyond the minimum qualifications stated above. The interview will comprise 100% of the applicant's earned grade. A candidate must earn a qualifying grade of 70 or more on the interview to be eligible for appointment. After initial interviews with the selected candidates are conducted, an email will be sent to the address on file with instructions on how to complete and submit a Conviction Questionnaire. Candidates have 3 days to complete the required questionnaire.
The five top ranking candidates, based on the final grade, will be certified to the Department Director/Appointing Authority who will make the final decision.
All applicants conditionally offered a merit position will be required to submit to urinalysis to screen for illegal drug use prior to appointment. Screening will be performed by a reputable clinical laboratory. The cost of screening will be covered by the County.
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
HOW TO APPLY: Applicants interested in applying for this position should visit our website at . We only accept on-line applications.
EQUAL EMPLOYMENT OPPORTUNITY POLICY: The policy of the Civil Service Commission of St. Louis County is to support fair and equitable employment opportunities for all persons regardless of race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, marital status, veterans' status or political affiliation. Call the Division of Personnel at (314) 615-5429 for more information on this policy.
St. Louis County
Division of Personnel, 7th FloorClayton, MO 63105
(314) 615-5429
Relay MO 711 or 800-735-2966
An Equal Opportunity EmployerFax: (314) 615-7703
www.stlouiscountymo.gov
St. Louis County offers its employees many excellent benefits with paid medical insurance, 20 days of PTO (paid time off) the first year and increasing with seniority, and 11-12 paid holidays. Employees hired for full time employment will participate in the St. Louis County retirement plan where they contribute 4% of their salary to the defined benefit plan with vesting after 7 years. Other benefits include: paid life insurance, a credit union, 457 Deferred Compensation Plan, pre-tax premium pay plan, dependent care and medical expense reimbursement plans, and short and long term disability insurance.
In addition to these benefits, as of January 1, 2023, St. Louis County approved up to 480 hours of paid parental leave for eligible employees welcoming new children, either by birth or adoption. The employee can also take up to 80 hours of leave for prenatal care and up to 80 hours for care of the child within the first year.
Please click to view all of our benefits.
01
How did you learn about this job opportunity at St. Louis County?
02
Do you have at least two years' work experience in one or more of the following disciplines?1. Data systems2. Network security3. Operating systems4. Computer system architecture5. Virtual infrastructure

• Yes
• No

03
To follow up the previous question, which of those disciplines was your area(s) of expertise? Please use numbers 1, 2, 3, 4, and/or 5 to detail your areas of expertise.
04
Have you completed a bachelor's degree in computer science or a related field? If no, how many years of related work experience do you have in these areas: data systems, network security, operating systems, computer system architecture and virtual infrastructure experiencePlease provide your depth of knowledge and timeframes of your hands-on support.
05
Briefly describe your experience in the following applications: • Office 365• Active Directory• Virtualization• Intune• Microsoft Entra
06
Please provide any previous work experience you have had with St. Louis County Government including roles you held and the dates of employment. Further, please explain the reason(s) for your departure from the organization.If this does not apply to you, simply enter NA.
Required Question