Senior AI Software Engineer-TS/SCI clearances (CI poly preferred)
$155k - $200kCredence
Overview
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. With 1,700+ team members, 1,500+ AI/data experts, and 100+ prime contracts, we deliver at scale and with purpose.
We’ve been recognized as a Top Workplace by the Washington Post for six straight years and named to the Inc. 5000 Fastest Growing Private Companies 13 of the past 14 years. Credence is a welcoming home for those looking to grow and contribute to positive change. We encourage all employees to expand beyond their boundaries, dive into important world-changing Federal challenges.
Position Summary
Credence has an immediate need for a Senior AI Software Engineer to join our growing AI and Automation practice. In this role, you will serve as a senior technical contributor responsible for designing, developing, and deploying advanced AI-driven solutions, including generative AI, LLM-powered applications, and agentic AI systems. You will collaborate with cross-functional engineering, data, cloud, and stakeholder teams to deliver scalable, secure, and mission-focused AI capabilities for federal clients, while helping guide technical direction, strengthen engineering practices, and mentor other engineers.
Responsibilities include, but are not limited to the duties listed below
- Generative AI & LLM Solution Delivery Lead the design, development, prototyping, and refinement of AI-powered capabilities using generative AI, large language models, retrieval patterns, prompt/context engineering, and secure API integrations.
- Agentic AI System Development Own end-to-end agentic AI development lifecycles, including model selection, agent design, tool/function calling, orchestration, response synthesis, evaluation, and deployment of reliable AI agents.
- Senior Software Engineering Leadership Apply strong software engineering principles to design maintainable, testable, and scalable systems; conduct code reviews, establish technical patterns, and leverage AI-assisted development tools responsibly to accelerate delivery.
- Cross-Functional Technical Collaboration Partner with data engineers, software engineers, data scientists, cloud engineers, and mission stakeholders to translate business and mission needs into operational AI and automation solutions.
- Cloud Enablement & DevSecOps Integration Design and automate deployment workflows using Infrastructure as Code (IaC), CI/CD pipelines, containers, and cloud-native services to support secure, repeatable, and scalable AI delivery.
- Production Monitoring & Optimization Monitor AI systems post-deployment, perform performance tuning, and apply best practices for reliability and scalability.
- Technical Rigor & Documentation Write clean, well-documented code following industry and federal guidelines; support reproducible development.
- Technical Mentorship & Continuous Improvement Stay current on emerging AI/ML trends, agentic frameworks, model capabilities, and engineering practices while mentoring team members and contributing to reusable standards, documentation, and technical design reviews.
Requirements
What You Bring
- TS/SCI clearances Required (CI poly preferred).
- Bachelor’s or Master’s in Computer Science, AI/ML, or a related field.
- 7+ years of hands-on software engineering experience, including significant experience delivering AI/ML, generative AI, or LLM-powered solutions in production or production-like environments.
- Experience building generative AI applications, working with LLMs, implementing tool/function calling, and applying model evaluation, prompt/context engineering, or retrieval-augmented generation approaches.
- Experience designing or implementing agentic AI solutions using frameworks or platforms such as Agent2Agent Protocol, Bedrock Agents, Mastra, CrewAI, Strands, AgentCore, LangChain, or LangGraph.
- Strong understanding of leading AI APIs and model platforms such as OpenAI, Anthropic, Gemini, Amazon Bedrock, and Google Vertex AI.
- Proficiency in TypeScript and familiarity with key libraries and frameworks such as Nx, Next.js, Mastra, Vercel AI SDK, Playwright, Jest, and Vite.
- Python proficiency and familiarity with libraries and frameworks (uv, Pydantic, FastAPI, CrewAI, LangChain, LangGraph, Unstructured).
- Demonstrated curiosity and practical experimentation with emerging AI technologies, with a strong focus on responsible innovation and measurable mission impact.
- Familiarity with CI/CD pipelines (GitLab CI)
- Experience with VS Code and AI extensions such as Cline and Claude Code.
- Strong communication skills and client-oriented mindset.
Preferred
- Curious and experimental about the latest innovations in AI with an orientation toward the relentless pursuit of delivering mission impact.
- Exposure to adjacent skillsets such as data engineering, data science, UI/UX, cloud engineering, and platform engineering to understand the entire software ecosystem.
- Experience with IaC tools such as Terraform, Open Tofu, AWS CDK, or CloudFormation to deploy cloud native applications.
- Knowledge of federal cybersecurity, RMF, FedRAMP, or regulatory frameworks.
Why This Role Matters
- Real-World Impact — Your work will support defense and health agencies where AI solutions directly contribute to national security and public well-being.
- Growth-Oriented Technical Leadership — Work with technical leaders, shape agentic AI delivery practices, and mentor team members while continuing to deepen your own expertise in advanced AI engineering.
- Culture of Empowerment — You’ll be part of a team that values innovation, trust, collaboration, and mission success.
Salary Range: $155,000 - $200,000 annually. Actual compensation will be determined based on the selected candidate's experience, education, certifications, skills, and overall qualifications.
Benefits
- Health Care Plan (Medical, Dental & Vision)
- Retirement Plan (401k, IRA)
- Life Insurance (Basic, Voluntary & AD&D)
- Paid Time Off (Vacation, Sick & Public Holidays)
- Family Leave (Maternity, Paternity)
- Short Term & Long Term Disability
- Training & Development
- Wellness Resources
$155k - $200k
...innovation meets mission. Our AI, cloud, cyber, and... ...immediate need for a Senior AI Software Engineer to join our growing AI... ...as Code (IaC), CI/CD pipelines, containers... ...What You Bring ~ TS/SCI clearances Required (CI poly preferred). ~ Bachelor’s or Master...SeniorSoftwareTemporary workWorldwide- ...an experienced TS/SCI Cleared Senior DevOps Engineer with strong Continuous... ...Delivery (CI/CD) expertise to... ...an active TS/SCI clearance and be a U.S. Citizen... ...a Full Scope Poly, working this... ...Knowledge of software development and... ...and Confluence Preferred Skills/Experience...SoftwareFlexible hours
- ...*This job requires active TS/SCI clearance. Please apply only if you have... ...to hire a Full Stack Software Engineer to support a mission-critical... ...Version control with Git CI/CD pipelines (GitLab CI or... ...accreditation processes (RMF, STIGs) Preferred Skills/Experience: Go...SoftwareContract workFlexible hours
- ...is looking to hire a Software Developer to support... ...must have an active TS/SCI security clearance, and will help collect... ...for version control, CI/CD pipelines, and resource... ...and Confluence Preferred Skills/Experience... ...work for curious-minded engineers motivated to support...SoftwareFlexible hours
- Software Engineer Senior Staff (TS/SCI Required) St. Louis, MO, United States (On-site) Job Description Software... ...Compartmental Information (SCI) clearance with the ability to obtain a Counterintelligence... ...AWS, Azure, Google. Proficiency in CI/CD tools (GitLab CI, Jenkins)....SeniorSoftwarePermanent employmentFull timeContract workLocal area
- ...requires a unique blend of cloud engineering expertise, operational rigor... .... Our work depends on a TS/SCI cleared DevOps Team Lead... .... Coordinate and perform software problem analysis, modification... ...Qualifications Required: ~ TS/SCI Clearance with CI Polygraph ~ Bachelor's...SeniorSoftwareWork experience placementRelocationRelocation package
- ...Geographer - Mid-Level - TS/SCI Location: St.... ...Level 3 Required Clearance: Top Secret/SCI... ...willingness to complete a CI poly upon request. 1-3... ...ArcGIS Pro software tools in the creation... ...and leadership. Preferred Qualifications Knowledge... ...with Google Earth Engine (GEE). Proficiency...SoftwareContract workWork at office
- Cherokee Preting, part of Cherokee Federal, seeks a Software Engineer Senior Staff to support the Erebus Program in St. Louis, MO. The role requires an active TS/SCI clearance with the ability to obtain a Counterintelligence polygraph and U.S. citizenship or permanent residency...SeniorSoftwarePermanent employment
- ...cleared Geospatial CI/CD & Platform Automation Engineers to support national... ...partner closely with software developers and cloud... ...focused. A Top Secret Clearance with SCI eligibility or an active TS/SCI are required... ...Python and/or JavaScript preferred) Experience with...SeniorSoftwareInternshipLocal area
- ...geospatial services provider is seeking a Senior Toponymist in St. Louis, MO. The candidate should possess expertise in GIS software, particularly ArcGIS Pro and QGIS, along... ...with relevant experience, and active TS/SCI clearance is required. Enjoy a competitive compensation...SeniorSoftware
$131.3k - $237.35k
...has an opening for an senior AWS Cloud Engineer to work on cloud... ...operational cloud deployed software solutions. A... ...possess and maintain a TS/SCI Security Clearance with ability to obtain Poly CI DoD 8570 Certification... ...audience and context. Preferred Qualifications...SeniorSoftware- A leading engineering firm in St. Louis, Missouri is seeking a Senior Software Engineer for a full-time position requiring an active Top Secret/SCI clearance. This role focuses on full-stack Python development, API development, Kubernetes deployment, and modern DevOps practices...SeniorSoftwareFull time
- ...looking to hire a Systems Engineer to support our mission operations... ...must have an active TS/SCI security clearance, and will support the operation... ...of systems, architectural, software development, and software sustainment practices Preferred Skills/Experience...SoftwareFor contractorsFlexible hours
$154k - $185k
...Senior DevOps Engineer At Bcore, our strength comes... ...engineering, software development,... ...Configure CI/CD for multiple... ...Qualifications Clearance Required: Active TS clearance (with SCI Eligibility)... ...to obtain CI Poly Certification... ...Community Experience preferred What you...SeniorSoftwareWork experience placement$70k - $80k
TS/SCI Security Clearance Wiser offers innovative solutions to clients... ...to complete a CI poly upon request. A total... ...analysis using GAIT/QAC software program. Demonstrated... ...foundation data products Preferred Qualifications... ...geospatial Digital Twin, or AI/ML. (preferred, not...SoftwareFull timeWorldwideMonday to FridayFlexible hours- ...Senior Data Scientist St. Louis, Missouri, United... ...modeling, visualization, and software development to solve... ...Must Have Active TS/SCI clearance (ability to obtain a CI Poly preferred). Demonstrated... ...effectively with analysts, engineers, and mission stakeholders...SeniorSoftwareImmediate start
- ...Level Cartographer - TS/SCI St. Louis, MO TS/SCI Security Clearance Wiser offers... ...willingness to complete a CI poly upon request. A... ...cartographic finishing software and automation... ...specifications and standards. Preferred Qualifications... ...Intelligence (AI) technologies,...SoftwareFull timeRemote workMonday to FridayFlexible hours
- ...Software Engineer - AI (Top Secret Clearance Required) North Point Technology is looking to... ...candidate must hold an active TS security clearance with the ability to obtain SCI with CI Polygraph, and will... ...example with PostgreSQL Preferred Skills/Experience:...SoftwareFlexible hours
- ...on risks and security, and ensuring the implementation of security protocols. Candidates must have an Associate’s degree and TS/SCI Clearance. Key qualifications include experience with intrusion detection, compliance with cybersecurity standards, and knowledge of risk...Senior
- ...looking to hire a Cloud Engineer to join our Air Team.... ...must have an active TS/SCI security clearance and will support a... ...operational cloud-deployed software solutions. The ideal... ...and GitLab for CI/CD pipelines Experience... ...) and diagrams Preferred Skills/Experience:...SoftwareFlexible hours
$75.2k - $158.1k
CACI International Inc is seeking a Network Engineer III in St. Louis, Missouri. This role involves performing research, requirements... ...in large-scale enterprise networks and possess an active TS/SCI clearance. The position offers a competitive salary, with a range from...SeniorFlexible hours- ...Title: Senior Software Engineer - Full Stack & Secure Systems Location: St. Louis,... ...Employment Type: Full-Time Security Clearance: Active TS/SCI Clearance Preferred About the Opportunity We... ...and Helm ~ Experience with CI/CD tools such as GitLab CI or...SeniorSoftwareFull time
- ...Software Engineer Gateway Geospatial Group (G3) is seeking Software Engineers to support a... ...Continuous Integration / Continuous Delivery (CI/CD) processes Implement automated... ...materials as required Active TS/SCI clearance U.S. Citizenship Experience...SeniorSoftware
- ...Software Developer AWS This job is with Encode, Inc a fully... ...and requires a Top Secret clearance. It is a full-time, 100% onsite... ...Secret willing to take a CI Poly Preferred Qualifications: AWS Developer... ..., Confluence) Active TS/SCI with Polygraph DOD 8570...SoftwareFull timeApprenticeshipLocal area
$184k - $259.44k
...Scale AI is seeking a highly skilled and motivated Software Engineer, ARC (Architecture, Reliability, & Compute... ...An active security clearance, and the ability to obtain a TS/SCI with CI Poly. This is a requirement... ...salary range for your preferred location during the...SoftwareFull timeWork at office3 days per weekEarly shift$75.2k - $158.1k
..., administering RHEL systems, monitoring performance, and automating tasks with scripting. Candidates must hold an active TS/SCI security clearance and have a Bachelor's Degree in a Technical field. The position offers a salary range of $75,200-$158,100, emphasizing a culture...- ...technology solutions provider located in St. Louis seeks a Senior Systems Engineer. This role requires 6+ years of related experience and an active TS/SCI clearance. Responsibilities include architecting software services, troubleshooting environments, and ensuring data...SeniorSoftware
- Senior Software Engineer (On-site / Clearance Required) Required Clearance: Active Top Secret/SCI Clearance DLS Engineering is seeking a Senior Software Engineer for a full-time position... ...development, Continuous Integration (CI)/Continuous Delivery (CD)/pipeline configuration...SeniorSoftwareFull time
- ...Technology Solutions Group is seeking a Software Developer to support our client's... ...and modern technology stacks. The Senior Software Developer provides... ...Required Qualifications Active security clearance TS/SCI (eligible for CI Poly). 9-13 years of backend development...SeniorSoftwareFor contractorsRemote workFlexible hoursNight shift
$148k - $176k
...Hybrid Cloud Platform Engineer (PaaS) Springfield... ...Louis, MO Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength... ...systems engineering, software development, and... ...Community Experience preferred What you can expect...Software
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior AI Software Engineer-TS/SCI clearances (CI poly preferred). Be the first to apply!
- ai engineer Saint Louis, MO
- ai prompt engineer Saint Louis, MO
- ai developer Saint Louis, MO
- agile software developer Saint Louis, MO
- software developer internship no experience Saint Louis, MO
- experienced software developer Saint Louis, MO
- software developer fintech Saint Louis, MO
- software data engineer Saint Louis, MO
- financial software developer Saint Louis, MO
- software developer internship Saint Louis, MO




