Full-Time

Lead Data Scientist

Safety Alignment

Posted on 5/9/2026

Deadline 5/29/26
Humana

Humana

10,001+ employees

Medicare Advantage health insurer for seniors

Compensation Overview

$142.3k - $195.7k/yr

+ Bonus

Remote in USA

Remote

Occasional travel to Humana offices for training or meetings may be required.

Category
Data & Analytics (1)
Required Skills
LLM
Python
React.js
Data Science
Pytorch
SQL
ETL
LangGraph
LangChain
Data Analysis
Reinforcement Learning
Requirements
  • Master's Degree and 4+ years of experience in research/ML engineering or an applied research scientist position preferably with a focus on developing production-ready AI solutions
  • 2+ years of experience leading development of AI/ML systems
  • Deep expertise in AI alignment, multi-agent systems, or reinforcement learning
  • Demonstrated ability to lead research-to-production initiatives or technical governance frameworks
  • Strong publication or contribution record in AI safety, interoperability, or algorithm ethics
  • Proficiency in SQL, Python, and data analysis/data mining tools
  • Experience with machine learning frameworks like PyTorch, JAX, ReAct, LangChain, LangGraph, or AutoGen
  • Experience with high performance, large-scale ML systems
  • Experience with deploying or auditing LLM-based agents or multi-agent AI systems
  • Experience with large-scale ETL
Responsibilities
  • Design and implement safety architectures for Agentic AI systems, including guardrails, reward modeling, and self-monitoring capabilities
  • Lead and collaborate on alignment techniques such as inverse reinforcement learning, preference learning, interpretability tools, and human-in-the-loop evaluation
  • Develop continuous monitoring strategies for agent behavior in both simulated and real-world environments
  • Partner with product, legal, Responsible AI, governance, and deployment teams to ensure responsible scaling and deployment
  • Contribute to and publish novel research on alignment of LLM-based agents, multi-agent cooperation/conflict, or value learning
  • Proactively identify and mitigate failure modes, e.g., goal misgeneralization, deceptive behavior, unintended instrumental actions
  • Set safety milestones for autonomous capabilities as part of deployment readiness reviews
Desired Qualifications
  • Ph.D. in Computer Science, Data Science, Machine Learning, or a related field
  • Contributions to open-source AI safety tools or benchmarks
  • Understanding of value-sensitive design, constitutional AI, or multi-agent alignment
  • Experience in regulated domains such as healthcare, finance, or defense

Humana focuses on health and well-being by offering Medicare Advantage plans (HMO, PPO, and PFFS) mainly for seniors, military personnel, and communities. Its products are health insurance plans funded through a mix of government contracts and member premiums, enrolling members to provide comprehensive coverage with flexible benefits and a broad provider network. Members receive care through a network of providers, with additional services such as free language interpretation to improve accessibility. Humana differentiates itself through its emphasis on inclusivity, accessibility, and tailored benefits, aiming to deliver reliable service and high renewal rates. The goal is to improve health outcomes and overall well-being for members by delivering coverage that meets diverse needs and making care accessible to all.

Company Size

10,001+

Company Stage

IPO

Headquarters

Louisville, Kentucky

Founded

1961

Simplify Jobs

Simplify's Take

What believers are saying

  • Medicare Advantage membership grew 25% to 7.1 million in Q1 2026.
  • CenterWell added 110,500 patients sequentially via MaxHealth acquisition.
  • Cost Plus Drugs partnership automates prescriptions through SwiftyRx AI.

What critics are saying

  • Star Ratings drop to 20% in 4+ plans erodes $3.5 billion bonuses in 2026.
  • 89.4% benefit ratio from coding changes compresses margins below $9 EPS.
  • UnitedHealthcare's 77% 4+ star plans capture Humana's enrollees in 2026.

What makes Humana unique

  • Humana leads with 13.4% market share in Vision Insurance.
  • CenterWell integrates senior primary care and pharmacies for Medicare members.
  • b.well platform enables real-time health data from 2.4 million providers.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Unlimited Paid Time Off

Paid Vacation

Paid Parental Leave

Short-term Disability

Long-term Disability

401(k) Retirement Plan

401(k) Company Match

Wellness Program

Company News

Yahoo Finance
Apr 12th, 2026
Humana appoints healthcare investment expert to board as shares trade 80% below fair value

Humana has appointed Robert S. Field to its Board of Directors, adding healthcare investment and regulatory expertise to its governance structure. The appointment follows direct shareholder input and comes as the health insurer faces valuation scrutiny. Field's background in healthcare investments and legal matters positions him to contribute to discussions on payment models, technology adoption and risk oversight. The addition may influence Humana's priorities across growth initiatives and regulatory engagement. Humana's shares currently trade at $192.15, reflecting a 16.2% gain over the past month but a 33.8% decline over the past year. The stock trades at a price-to-earnings ratio of 19.4, below the healthcare industry average of 22.0. Analysts have set a target price of $212.08, approximately 9% above current levels.

Business Wire
Apr 9th, 2026
Humana goes live with b.well to enable real-time health data access across providers and health plans

Humana has launched a partnership with b.well Connected Health to enable members to securely access and share their health data across providers, pharmacies and health plans. The collaboration supports Humana's commitment to the CMS Health Technology Ecosystem. Through b.well's national health data network, Humana members can connect data from 2.4 million providers and 350 health plans in one place. The platform uses a 13-step data refinery process to normalise and enrich fragmented data into complete longitudinal health records. The partnership allows Humana to access member data in real-time during claims processing and respond to data requests from providers, supporting care coordination and quality improvement. The initiative aims to reduce administrative burden whilst giving individuals greater control over their health information.

Yahoo Finance
Mar 12th, 2026
Humana revenue beats at $32.6B as health insurers face tougher Q4 quarter

Clover Health posted the strongest Q4 results among health insurance providers, reporting revenues of $487.7 million, up 44.7% year on year and beating analyst expectations by 4.4%. The company delivered a solid quarter with revenue outperformance and EPS in line with estimates. The 12 health insurance providers stocks tracked reported a slower Q4 overall. As a group, revenues beat consensus estimates by 0.8%, whilst next quarter's revenue guidance was in line. Share prices have struggled, down 8.4% on average since latest results. Humana reported revenues of $32.64 billion, up 11.8% year on year, exceeding expectations by 1.8%. However, the company missed full-year EPS guidance estimates significantly. The stock has fallen 3.9% since reporting. The health insurance sector faces regulatory scrutiny and rising medical costs alongside opportunities from an ageing population and data analytics advancements.

Yahoo Finance
Feb 26th, 2026
UnitedHealth vs. Humana: Which healthcare stock offers more upside amid Medicare Advantage growth?

UnitedHealth and Humana, two major US managed care providers, face evolving healthcare landscapes shaped by rising medical costs and changing government programmes. Both have significant Medicare Advantage exposure but differ in business models. UnitedHealth, valued at $248.2 billion, operates a diversified structure combining UnitedHealthcare insurance with Optum health services. Fourth-quarter 2025 revenues rose 12.3% year-over-year, with UnitedHealthcare up 17.5% and Optum up 8%. The company is advancing AI-driven initiatives in claims processing and care coordination. Medicare Advantage membership increased 7.6% year-over-year. Humana maintains a more concentrated focus on government-sponsored plans and value-based care. The article compares their scale, vertical integration and revenue mix to assess which stock offers greater upside potential.

MarketScreener
Feb 13th, 2026
CenterWell acquires Florida's MaxHealth, expanding senior primary care to 82 clinics and 80,000 patients

CenterWell, the healthcare services division of Humana, has completed its acquisition of MaxHealth from Arsenal Capital Partners and the company's founder-shareholders. Financial terms were not disclosed. MaxHealth operates a network of 82 owned and affiliated clinics across West and South Florida, serving over 120,000 patients, including more than 80,000 in value-based care programmes. Founded in 2015, the company employs over 530 staff, including 100-plus primary care providers and 30-plus specialists. The acquisition expands CenterWell Senior Primary Care, the nation's largest senior-focused, value-based primary care provider, into new key Florida markets. MaxHealth was formed through the combination of three physician-founded organisations under Arsenal's ownership. Guggenheim Securities and Morgan Stanley advised MaxHealth, whilst JP Morgan Securities advised Humana and CenterWell.