39 junior system administrator jobs at 31 companies in Lemay, MO
3w
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Cloud System Admin 1 (Junior)
Scott Air Force Base, Illinois, United States
HybridFull Time
Meet DoD Cyber Workforce Framework 8140 Work Role 641, obtain CompTIA Security+ and cloud certification within 30 days, eligible for Secret clearance, Linux administration experience, strong written/verbal communication.
SAML, OAuth, AWS, Azure GovCloud, Linux, Terraform, CI/CD, Java, Python, Ruby, Bicep, ARM templates
1w
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Office Administrator
Festus, Missouri, United States
OnsiteFull Time
2+ YOERequires 2+ years in customer-facing work, a valid driver's license, strong communication and customer service skills, and ability to navigate multiple software systems. Accounts payable, receivable, and payroll experience preferred.
Microsoft Office Suite
3d
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Jr. Systems Administrator
Scott Air Force Base, Illinois, United States
$60k-$71k/yr OnsiteFull Time
1+ YOERequires 1+ year of systems administration or IT support experience, active Secret clearance with TS eligibility, DoD 8140/8570 IAT Level II certification, and Windows Server or Linux familiarity.
Active Directory, DNS, Group Policy, Windows Server, Linux, HBSS, ACAS, SIEM, Microsoft Excel
6d
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Systems Administrator
St. Louis, Missouri, United States
$60k-$72k/yr OnsiteFull Time
2+ YOEBachelor's degree in computer science or related field, or 2–6 years of related experience. Requires operating systems, project management, Windows Server, Active Directory, Cisco UCS, and VMware experience.
Microsoft Active Directory, Cisco Unified Computing System (UCS), VMware Hypervisor, Windows Server, DNS, DHCP, SAN
3w
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Sales Administrator
St. Charles, Missouri, United States
OnsiteFull Time
Provide sales support and order coordination, follow up on credits/RMAs/backorders, monitor systems and delivery windows, collaborate cross-functionally, and communicate with customers and sales teams.
CIMS, WebHelm, Accuterm, Optimiroute, M3
1mo
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Office Administrator Bilingual
St. Louis, Missouri, United States
$60k/yr OnsiteFull Time
2+ YOE2+ years HR/admin experience, undergraduate degree or equivalent preferred, proficiency with HRIS and payroll systems, recruiting and onboarding experience, payroll data entry, and strong organizational skills.
HRIS, Winteam, Equifax case builder, Paycor, Ehub
3d
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Commercial Ops System Admin
Saint Louis, Missouri, United States
RemoteFull Time
1+ YOERequires 1–3 years managing GTM or RevOps tools, Salesforce administration experience, familiarity with Gong or ZoomInfo, technical requirement translation, and strong collaboration, communication, and problem-solving skills.
Salesforce, Gong, ZoomInfo, Cirrus Insight, DriveCentrics, ABM, CPQ, SaaS
1mo
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DevOps Engineer - Junior
Denver or Sterling or St. Louis
$58k-$116k/yr OnsiteFull Time
0+ YOETS/SCI clearance (ability to obtain Poly), Bachelor's degree in a technical discipline, 0–3 years supporting DevOps/DevSecOps or system administration, familiarity with Linux, scripting (Python/Bash/PowerShell), Git, CI/CD and container technologies.
Linux, Python, Bash, PowerShell, Git, Jenkins, GitLab CI/CD, GitHub Actions, Bamboo, Docker, Kubernetes, AWS, Azure, Google Cloud, Terraform, Ansible
1mo
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Salesforce & Marketing Cloud Systems Administrator
Fenton, Missouri, United States
HybridFull Time
0+ YOE0-2 years relevant experience, Bachelor's degree or equivalent, experience with SQL Server, Salesforce and Marketing Cloud preferred; data management, query writing, documentation, and strong interpersonal and problem-solving skills.
Salesforce, Marketing Cloud, SQL Server, Agent360, Data360, Flow
1w
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Security Engineer and IT Systems Admin.
St. Louis or Jefferson City
OnsiteFull Time
2+ YOEActive Secret clearance, bachelor's degree or equivalent experience, Security+ or higher certification, and at least 2 years in cybersecurity, information assurance, system administration, or IT operations.
Risk Management Framework (RMF), Security Control Assessments (SCAs), Change Control Board (CCB), VM images, Department of Defense Instruction (DoDI), National Institute of Standards and Technology (NIST), Security Technical Implementation Guide (STIG), Assured Compliance Assessment Solution (ACAS), Nessus, Security Content Automation Protocol (SCAP) Compliance Checker (SCC), Enterprise Mission Assurance System (eMASS), Control Correlation Identifiers (CCI), Committee on National Security Systems Instruction (CNSSI), ISEC-MED, Plan of Action and Milestones (POAM), Security Control Assessor-Validator (SCA-V), Security Impact Analyses (SIA), Windows
2mo
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Geospatial Systems Engineer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis or Sun Prairie
OnsiteFull Time
8+ YOEActive Top Secret/SCI clearance, bachelor’s in STEM, 8+ years experience, enterprise ArcGIS and systems administration, scripting (Python/PowerShell/JS/C#), RDBMS and network knowledge.
ArcGIS, ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, PowerShell, JavaScript, C#, SQL Server, Oracle, PostgreSQL, Windows, Linux
2mo
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Office / Development Administrative Assistant
St. Louis, Missouri, United States
$34k-$38k/yr OnsiteFull Time
2+ YOEAssociate degree preferred; 2+ years administrative experience (nonprofit preferred); strong organization, communication, and multitasking skills; proficiency with Google Workspace and Microsoft Office; experience with donor or database systems a plus.
Google Workspace, Microsoft Office Suite
2w
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Aviation Safety Assistant (Office Automation)
San Juan or Salt Lake City or Herndon or Richmond or Renton or Spokane or Charleston or Milwaukee or Casper or Vestavia Hills or Anchorage or Fairbanks or Juneau or Scottsdale or Little Rock or Alameda or Fresno or Lawndale or Long Beach or Riverside or Sacramento or San Diego or San Jose or Van Nuys or Denver or Enfield or Miramar or Orlando or Tampa or Hapeville or Honolulu or Boise or Des Plaines or Springfield or West Chicago or Plainfield or Ankeny or Wichita or Louisville or Baton Rouge or Portland or Glen Burnie or Burlington or Belleville or Grand Rapids or Minneapolis or Jackson or Kansas City or Saint Ann or Helena or Lincoln or Las Vegas or Reno or Saddle Brook or Albuquerque or Farmingdale or Garden City or Latham or Rochester or Charlotte or Greensboro or Fargo or Cincinnati or Columbus or North Olmsted or Oklahoma City or Hillsboro or Allentown or New Cumberland or Philadelphia or Pittsburgh or West Columbia or Rapid City or Memphis or Nashville or Houston or Irving or Lubbock or San Antonio
$39k-$56k/yr OnsiteFull Time
1+ YOEProvide administrative and semi-technical support in a Flight Standards field office, prepare and review reports, maintain files, assist applicants and the public, and use FAA automation systems.
SAS, Enhanced Flight Standards Automated System (eFSAS)
3w
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Medical Office Assistant
Waterloo, Illinois, United States
$15-$20/hr OnsiteFull Time
Providing patient-facing administrative support including scheduling, patient data collection, payments, and use of clinic computer systems; high school diploma/GED preferred; strong communication and organizational skills.
1mo
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Admin Assistant, Private Dining and Sales
Chesterfield, Missouri, United States
OnsiteFull Time
Administrative support for private dining and event sales; strong phone and written communication, attention to detail, proficiency with Tripleseat, OpenTable, Microsoft Office, email and reservation systems; prior hospitality/admin experience preferred.
Tripleseat, OpenTable, Microsoft Office, PDF
2w
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Communications Clerk - FT Days | St. Luke's Rehab
Chesterfield, Missouri, United States
OnsiteFull Time
High school diploma or equivalent preferred; experience with a multi-line phone system required.
multi-line phone system
3w
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Health Information Specialist I- St. Louis, MO
St. Louis, Missouri, United States
OnsiteFull Time
Process release of information and medical record requests, maintain HIPAA-compliant confidentiality, document in multiple systems, strong data entry and communication skills.
Microsoft Office, Microsoft Word, Microsoft Excel, EHR
2mo
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Receptionist
Red Bud, Illinois, United States
$15-$22/hr OnsiteFull Time
Provide patient-facing reception, schedule appointments, collect demographics/insurance, process payments, and use computer systems; high school/GED preferred.
1mo
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IL Registrar - Full Time
Red Bud, Illinois, United States
$15-$23/hr OnsiteFull Time
High school diploma/GED required; greets patients, collects and verifies personal and insurance information, and enters accurate data into electronic health record systems.
electronic health record
2mo
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Clerk Typist II, 2026-2027
St. Louis, Missouri, United States
$33k-$37k/yr OnsiteFull Time
Performs varied clerical duties including skilled typing, maintaining filing systems, preparing purchase orders/invoices, producing reports, and exercising independent judgment within established procedures.
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