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Job opportunity
Data & ML Engineer
Red Cell Partners
Remote, USA
Source: Red Cell Partners careers · View original posting
- Pay
- $150,000-$200,000. This represents the typical salary range for this position based on experience, skills, and other factors.
Employer job description
From Red Cell Partners's posting. “We” and “our” refer to the employer.
About Us
Red Cell Partners is an incubation firm building and investing in rapidly scalable technology-led companies that are bringing revolutionary advancements to market in three distinct practice areas: healthcare, cyber, and national security. United by a shared sense of duty and deep belief in the power of innovation, Red Cell is developing powerful tools and solutions to address our Nation’s most pressing problems.
ABOUT DEFCON AI
RESILIENCE IN THE FACE OF DISRUPTION. DEFCON AI is an insights company that leverages artificial intelligence, mathematical optimization, data analytics, and software engineering for resilient optimization of complex systems.
In today’s dynamically changing world, DEFCON AI’s technology aligns outcomes with operational goals, better decision making, and empowers customers to anticipate assess, and mitigate the impacts of disruptions.
About the Role
As a Data & ML Engineer you will build the data and model layer behind an AI-enabled decision-support system operating inside an accredited environment. That work covers ingestion from many source systems, resolution of incoming records against a shared data model, relevance scoring, and generation of explanations a user can act on and defend.
Three characteristics make this a substantial technical challenge. The incoming data is predominantly low-signal, which means a model can report strong overall accuracy while failing on the cases that matter most. Every output must remain traceable to the underlying sources, because a person downstream is accountable for the result. Record matching is probabilistic rather than exact, so false matches and missed matches both carry meaningful cost.
You will not be starting from an empty repository. We operate an established platform for source custody, extraction, and retrieval, and its architect is a member of this team, so existing design decisions are documented and accessible. Your work will focus on new capability rather than maintenance: record matching, calibrated scoring, and grounded generation, hardened for the target environment. We build with current tooling and expect the same, including the use of AI assistance in our own engineering practice.
This is a fully remote role with occasional travel (up to 25%) to DEFCON AI HQ, customer sites, and vendor facilities as required.
Key Responsibilities
- The technical work falls into four areas. Deep expertise in all four is not expected, so please indicate where your depth lies when you apply. The engineering standards that follow apply to everyone on the team.
- Data Modeling and Record Matching
- Design and maintain the graph of entities, records, and the typed relationships between them
- Implement probabilistic matching, including blocking, candidate generation, pairwise scoring, clustering, and threshold policy
- Build deduplication and known-record suppression
- Establish provenance so that every node and edge traces to the source that asserted it
- Produce interface and data-flow design documentation detailed enough to serve as an implementation reference for other engineers
- Scoring and Calibration
- Develop relevance and priority models over large, imperfect record sets
- Own calibration and threshold design, establishing what a score means rather than only how it ranks
- Design abstention policy that routes uncertain and high-risk cases to a person rather than returning a confident answer
- Perform feature engineering, establish baselines before introducing complex models, and conduct error analysis that accounts for the differing cost of false positives and false negatives
- Retrieval and Generation
- Implement embeddings, vector storage, and retrieval across a large provenance-tracked evidence base
- Integrate language models through an approved managed service, and maintain a self-hosted or open-weight alternative within the same boundary
- Design prompts and output schemas
- Bind generated text to cited source records, and treat "insufficient evidence" as a valid system response rather than forcing a conclusion
- Own model packaging, serving, versioning, and rollback
- Pipelines and Source Handling
- Build secure ingestion, transformation, validation, and publishing across structured, semi-structured, and unstructured sources
- Implement quality checks, schema validation, lineage capture, and audit logging
- Establish source drift detection so that degradation is surfaced rather than carried into the analysis
- Generate statistically representative synthetic data so that development can proceed ahead of live data access
- Engineering Standards
- Work to the data model and standards set by the Data Lead, who approves designs and owns them through customer review
- Document assumptions, caveats, transformation logic, and known limitations, since deliverables are formally reviewed
- Instrument telemetry so that measurement does not require manual reconstruction
- Maintain the audit trail covering recommendations, human overrides, and model versions
- Submit model and pipeline changes through a gated release process rather than deploying in place
Preferred Qualifications
- Clearance: active Top Secret
- Matching: direct experience applying probabilistic matching to inconsistent identity data, including names, dates, addresses, and identifiers, and familiarity with the failure modes of each. Record linkage, master data management, or identity management. Graph data modeling. PostgreSQL and pgvector or comparable. Graph algorithms applied in production
- Modeling: model calibration and threshold design. Cost-sensitive learning where error types carry unequal consequences. scikit-learn, XGBoost, PyTorch
- Retrieval and generation: retrieval-augmented generation in production. Prompt and output-schema design. Establishing that generated output remains grounded in its sources, and testing to confirm it. Self-hosted or open-weight model operation. Fine-tuning, adapters, or custom embeddings
- Pipelines: AWS Glue, Airflow, dbt, Spark, Kafka, or NiFi. Unstructured and semi-structured document ingestion. Synthetic or representative test data generation
- Environment: federal DevSecOps, RMF, ATO, or DoW cloud environments. Hardened base images. Experience advancing a pipeline from development through accreditation and deployment
- Domain: sensitive federal or defense data, and work performed under privacy or comparable handling constraints
- Responsible AI: documentation, model cards, fairness testing, and model monitoring. NIST AI RMF or comparable practice
What Success Looks Like
- A data model that the rest of the team builds on without needing to redesign it
- Matching decisions that can be explained and defended to a non-technical reviewer
- Models whose miss rate is characterized, not only their overall accuracy
- Generated explanations that assert no more than the sources support, with the citation path intact
- Pipelines that surface problems early and trace them to a specific source
- Consistent development progress, including during periods when live data is not yet available
What We Offer:
- A fully remote, results-based environment
- Competitive salary, bonus, and equity package
- 100% employer paid, comprehensive health insurance including medical, dental, and vision for you and your family
- Unlimited PTO, with your manager’s approval
- Flexible work environment where you manage your work day
- 14 weeks of fully-paid parental leave
Compensation
Salary Range:
$150,000-$200,000. This represents the typical salary range for this position based on experience, skills, and other factors.
Our Red Cell Partners Benefits (may differ for each incubation):
For full-time roles
Career track opportunity with potential for rapid advancement with strong performance as the firm grows
100% employer paid, comprehensive health care including medical, dental, and vision for you and your family.
Paid maternity and paternity for 14 weeks at employees' normal pay.
Unlimited PTO, with management approval.
Opportunities for professional development and continued learning.
Optional 401K, FSA, and equity incentives available.
Mental health benefits are available through
Tara Mind.
Cost effective GLP-1 solutions available through
Crux.
We’re an Equal Opportunity Employer: You’ll receive consideration for employment without regard to race, sex, color, religion, sexual orientation, gender identity, national origin, protected veteran status, or on the basis of disability.
Applicant Data Disclosure
By submitting an application, you acknowledge that Red Cell Partners, LLC ("Red Cell") uses third-party service providers to facilitate its recruitment and hiring processes. These providers include applicant tracking systems, candidate verification platforms, and fraud detection tools (collectively, "Hiring Platforms").
Your application materials, including your résumé, cover letter, work samples, responses to application questions, and any other information you submit, may be transmitted to and processed by these Hiring Platforms for the following purposes:
Managing and administering your application throughout the hiring process; Verifying the accuracy and authenticity of application materials, including by cross-referencing information you provide against publicly available sources and proprietary databases; Identifying indicators of potentially fraudulent, fabricated, or materially misleading application content, including but not limited to discrepancies between submitted materials and publicly available professional profiles, geographic anomalies, and fabricated work histories.
Applications that are flagged through this process as containing indicators of fraud or material misrepresentation may be declined from further consideration. If you have questions about the status of your application or the evaluation process, please contact talent
@redcellpartners.com.
Red Cell requires its Hiring Platform providers to process your information solely for the purposes described above and in accordance with applicable law. Your information will be retained only for as long as necessary to fulfill these purposes and any applicable legal obligations, after which it will be deleted in accordance with Red Cell's data retention policies.
About this listing
LAYIQ is an independent job-discovery service. This listing does not imply a partnership with or endorsement by the employer. Review the original posting for current details and availability.
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