25 system architect jobs at 19 companies in Saint Clair, MO
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Senior System Architect
Denver or St. Louis or Sterling or Springfield
$99k-$207k/yr OnsiteFull Time
8+ YOETS/SCI clearance with polygraph eligibility, 8+ years systems/software engineering with architecture leadership, experience with large distributed cloud-native systems, SAFe, APIs, and strong stakeholder communication.
SAFe, APIs
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Senior System Architect
Denver or Springfield or Sterling or St. Louis
$99k-$207k/yr OnsiteFull Time
8+ YOETS/SCI clearance required, bachelor's in CS/Engineering or equivalent, 8+ years systems/software engineering with architecture leadership, experience with cloud-native distributed systems, Agile/SAFe environments, strong communication.
Agile, SAFe
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Senior System Engineer – ArcGIS (Mission-Focused)
Vienna or St. Louis
$156k-$239k/yr OnsiteFull Time
12+ YOE12+ years experience architecting and administering enterprise ArcGIS and IT systems; US citizenship with active Top Secret/SCI clearance; bachelor's degree in CS, Math, GIS or STEM; proficiency with Python/PowerShell and RDBMS.
ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS, ArcGIS Runtime, Python, PowerShell, Javascript, C#, SQL Server, Oracle, PostgreSQL, Windows, Linux
3w
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Solution Architect
Saint Louis, Missouri, United States
$117k-$151k/yr HybridFull Time
7+ YOEBachelor's degree or equivalent experience, 7+ years in solution architecture or related discipline, experience with C4 diagrams, cloud (Microsoft Azure) familiarity, system integration and APIs, strong communication and problem-solving, U.S. work authorization required.
C4, Microsoft Azure, CI/CD, infrastructure-as-code, containerization, observability, SAFe, TOGAF
1w
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^Technology Architect - 6426622
St. Louis or Bentonville or California or Cleveland or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington
$70-$80/hr OnsiteFull Time, Temporary
10+ YOERequires 10+ years in application architecture and Java, 5+ years in distributed systems, 3+ years in event-driven systems, 10+ years in RDBMS, and 1+ year using Claude Code or Codex.
Claude Code, Codex, SQL, Java, Spring Boot, Azure, Kafka, RDBMS, Microsoft Excel
1d
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Systems Architect, Senior Advisor
St. Louis or Springfield
$146k-$234k/yr OnsiteFull Time
18+ YOEBachelor's degree and 18+ years in systems engineering, integration, or development. Requires TS/SCI or ability to obtain SCI and pass a polygraph; government acquisition and architecture experience required.
SAFe Agile
18h
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Systems Architect, Senior Advisor
St. Louis or Springfield
$146k-$234k/yr OnsiteFull Time
18+ YOEBachelor's degree or related technical experience, 18+ years in systems engineering, integration, or development, government acquisition and architecture experience, CONOPS documentation, and TS/SCI or ability to obtain SCI and pass a polygraph.
SAFe Agile, CONOPS, Integrated Capabilities Baseline Document (ICBD), AoAs, Go/No-Go
3w
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Senior Payments Architect
Saint Louis, Missouri, United States
$92k-$203k/yr OnsiteFull Time
Design and own payment platform architecture, lead integrations with PSPs/acquirers and banks, ensure ledger correctness, embed PCI-compliant security, and guide teams on resilient distributed payment systems.
Spreedly, Gr4vy, Primer, BR-DGE, AWS, GCP, Azure, Kafka
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Lead Application Architect
San Francisco or St. Louis or Cleveland or Philadelphia or Chicago or New York City or Kansas City or Boston or Atlanta or Minneapolis or Dallas or Richmond
$164k-$263k/yr OnsiteFull Time
10+ YOEExtensive Saviynt or SaaS IGA experience, 10+ years in IAM/IGA, strong cybersecurity and systems engineering, Saviynt certification required (or obtain after hire), bachelor’s required, excellent communication and leadership.
Saviynt, REST, SCIM, JDBC, LDAP, SOAP, SQL, Microsoft Entra ID, Active Directory, AWS, Azure, Google Cloud
2mo
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Mission Systems Lead Software Architect
Berkeley, Missouri, United States
$178k-$240k/yr OnsiteFull Time
7+ YOE3+ MgmtBachelor's degree, 7+ years programming in C, C++ or C#, 5+ years software development/architecture for embedded mission systems, 3+ years leading software teams, ability to obtain U.S. Secret clearance and meet U.S. Person export control requirements.
C, C++, C#, Linux, Open Container Initiative (OCI), Agile, Agile Mission Systems Government Reference Architecture (AMS/GRA), Open Mission Systems (OMS), Universal Command and Control Interface (UCI), CodeVue
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HR Ecosystem Architect
Sidney or St. Louis or Cudahy or Kennesaw
HybridFull Time
8+ YOE8+ years in HR systems architecture with strong Workday expertise; experience with ADP, Dayforce, Kronos, SailPoint, JML automation, integrations (APIs/middleware), SOX compliance, and technical documentation; Bachelor’s degree required.
Workday, ADP, Dayforce, Kronos, SailPoint, APIs, middleware, SSO, Active Directory, HRIS, Workday Integrations
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Enterprise Data Architect
Clayton or United States
$105k-$124k/yr HybridFull Time
6+ YOEBachelor's in IT or equivalent, 6+ years IT experience (5+ in information system design), 4+ years in data management/modeling/warehousing, 2+ years cloud analytics with Databricks experience; strong data architecture, governance, and communication skills.
Databricks, Delta Lake, Erwin, SqlDBM, PySpark, SQL, Python, Microsoft Office, Microsoft Project, Microsoft Teams
1w
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E-House Solution Architect
Nashville or St. Louis or Raleigh or Seneca or Dallas or Houston or El Paso or Columbia
$142k-$214k/yr HybridFull Time
10+ YOEBachelor's in engineering,10+ years in power systems/modular substations/E-House solutions,experience with proposals and customer engagements,knowledge of standards (NEMA,IEC,IEEE,ANSI,NFPA),willingness to travel 25–50%.
SCADA, PLC, RTU, EcoStruxure
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Agentic AI Architect - Intelligence Engineering (Central)
Austin or Chicago or Columbus or Dallas or Detroit or Houston or Indianapolis or Kansas City or Minneapolis or Nashville or St. Louis
$108k-$200k/yr HybridFull Time
5+ YOE5+ years software engineering experience with 2+ years focused on generative/agentic AI; experience designing multi-agent systems, RAG, cloud AI platforms, Python, API frameworks, evaluation/observability, and leading small teams.
Amazon Web Services, Azure, Google Cloud, AWS Bedrock, Azure AI Foundry, OpenAI Service, GCP Vertex AI, Gemini, Databricks, Python, FastAPI, Flask, Lang Graph, Strands Agents SDK, OpenAI Agents SDK, Google ADK, LangSmith, RAGAS, DeepEval, Claude Code, Cursor, Kiro, AutoGen, CrewAI, Semantic Kernel, Model Context Protocol (MCP)
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Senior AI Security Technical Architect
Tempe or St. Louis or Arizona or Missouri or United States
HybridFull Time
12+ YOEBachelor's degree or equivalent experience; 12+ years in cybersecurity engineering/architecture; 4+ years securing AI/ML systems; experience with LLMs, RAG, ML pipelines, cloud security (Azure/AWS/GCP); strong communication and enterprise influence skills.
Azure, AWS, GCP, NIST AI Risk Management Framework (AI RMF), MITRE ATLAS, CIS, ISO 27001, LLM, Retrieval-Augmented Generation (RAG), vector databases
2mo
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Systems Engineering Architect - AWS/IT Infrastructure (Top Secret Clearance Required)
Alexandria or Chantilly or Gaithersburg or Saint Louis
OnsiteFull Time
Active Top Secret clearance required; experience with AWS cloud architecture, resiliency/recovery, Windows/Linux, DevOps deployments, disaster recovery, agile methods, backlog/roadmap development, and stakeholder communication.
AWS, AWS EKS, Windows, Linux, GitLab, WMS, WFS, KML
2mo
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Senior Principal Electrical Engineer
Wildwood or Anoka or St. Louis or Tucson or Raleigh
$124k-$230k/yr HybridFull Time
10+ YOEBachelor’s degree in Electrical Engineering; 10+ years (15+ preferred) in data center, power electronics, or telecom power systems; experience architecting electrical systems and leading cross-functional teams.
1w
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Senior Director, eCommerce Architecture Services
Stamford or St. Louis or Greenwood Village
$141k-$301k/yr OnsiteFull Time
12+ YOE5+ MgmtBachelor's in CS/Engineering/Information Systems,12+ years in digital/enterprise architecture,5+ years managing architects,expertise in API/cloud/microservices and telecom integrations.
TM Forum, Open APIs, APIs, OSS/BSS
2mo
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Bank Systems Analyst
Saint Louis, Missouri, United States
OnsiteFull Time
0+ YOEAPI integrations, middleware; architect/design API solutions; strong communication; collaborate with Product Owners; team-oriented and self-directed.
Apigee, Mulesoft, HTTP, REST, SOAP, Java, JSON, Microsoft Office
1w
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Director, Team Ticket Sales & Service
Columbus or Dallas or Washington or Louisville or Orlando or St. Louis
$100k-$140k/yr HybridFull Time
7+ YOE3+ MgmtBachelor's or equivalent, 7+ years ticket sales/revenue experience with 3+ years managing teams, sports premium/ticket sales, CRM and ticketing system experience (Ticketmaster/Architects), Microsoft Office/Google Suite proficiency.
Ticketmaster, Architects, CRM, Microsoft Office, Google Suite
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