Top 23 Senior analyst Jobs in Portsmouth Nh

Senior Quantitative Analyst - AI Trainer
DataAnnotation —New Hampshire
- $50 - $100 an hour
- Part-time
- Remote
- Computer Science
- English
- Mid-level
- Flexible schedule
Quick Apply
Senior QC Analyst - Environmental Monitoring
Lonza —Portsmouth, NH
- Full-time
- Background check
- 5 years
- Bachelor of Science
- Health insurance
- Dental insurance
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Senior Professional Services Operations Analyst
Loftware, Inc —Portsmouth, NH
- $127,000 - $160,000 a year
- Remote
- Bachelor's degree
- Continuous improvement
- Business Administration
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2d
(USA) Senior, Data Analyst
Walmart —Raymond, NH
- $88,000 - $171,000 a year
- Computer Science
- High school
- Engineering
- Paid jury duty
- Disability insurance
Sr FP&A Analyst
Albany International Corp. —Rochester, NH
- Research
- Office
- Finance
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Senior Cyber Defense Analyst
SAIC —Kittery, ME
- $120,001 - $160,000 a year
- Full-time
- Customer service
- 8 years
- Analysis skills
Senior Analyst, Advanced Analytics: Auto Physical Damage (APD)
Liberty Mutual —Portsmouth, NH
- $83,000 - $157,000 a year
- Full-time
- Hybrid work
- Computer science
- Azure
- Computer Science
3d
Payor Contracting & Partnerships Senior Analyst
Optima Dermatology —Portsmouth, NH
- Full-time
- Microsoft Excel
- Mid-level
- Office
Quick Apply
Sr. Construction Schedule Analyst
BB&E —Kittery, ME
- $180,000 - $200,000 a year
- Full-time
- Construction site
- 11+ years
- Presentation skills
- Paid holidays
- Disability insurance
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Sr. International Tax Analyst
Albany International Corp. —Portsmouth, NH
- CPA
- 5 years
- Office
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Senior RGM Analyst
Lindt & Spruengli (USA) Inc. —Stratham, NH
- $89,459 - $116,301 a year
- Full-time
- Hybrid work
- Background check
- Office
- Analysis skills
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11d

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Contracts Analyst Senior
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Build and maintains relationships with construction contractors, qualified equipment vendors, suppliers, and design/engineering firms.
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senior analyst jobs near portsmouth nh

Senior Quantitative Analyst - AI Trainer

DataAnnotation -
New Hampshire

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Job Details

Part-time | Full-time | Contract
$50 - $100 an hour

Benefits

Flexible schedule

Qualifications

Software coding
Design of experiments
English
Providing code feedback

Full Job Description

DataAnnotation is committed to creating quality AI. Help train AI chatbots while gaining the flexibility of remote work and choosing your own schedule.

We are looking for an existing Senior Quantitative Analyst - AI Trainer to help train AI models. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in.

You'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other quantitative field, if you think rigorously about data and models, your skills are directly applicable here. You can fit this work alongside a full-time role, or treat it as your primary focus, choosing projects and schedules that align with your availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass, you'll receive an email confirmation, and paid work will become available on our platform.

Advantages of contracting with us:

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from the comfort of your own home.
Competitive pay: projects are paid hourly at $50 to $100 USD per hour, with bonus rates available on some projects.
Impact: help shape the future of AI systems built to reason about data and analytics.

Responsibilities:

Evaluate AI-generated quantitative work, including statistical analysis, predictive modeling, scientific reasoning, and data-driven insights, for technical accuracy and real-world validity.
Design and solve quantitative problems used to train and benchmark AI systems, spanning areas like forecasting, experimental analysis, optimization, and statistical inference.
Write clear technical explanations and well-documented analytical code.
Provide feedback that directly shapes the next generation of AI models built for quantitative reasoning.

Qualifications:

3+ years of hands-on experience in a quantitative role or research environment — such as data science, statistics, economics, finance, physics, biology, epidemiology, operations research, or any adjacent field.
Some coding experience required, with comfort writing and reviewing analytical code end-to-end.
Practical experience with statistical methods, predictive modeling, and experiment design (e.g., A/B testing, hypothesis testing, regression, classification, time-series forecasting).
Fluency in English (native or bilingual level) with strong writing skills.
A bachelor's degree in a quantitative field preferred (Statistics, Computer Science, Mathematics, Engineering, or similar); an advanced degree (Master’s or PhD) is a plus.
Relevant credentials are a plus (e.g., Kaggle Competition ranking, AWS/GCP ML certifications, or equivalent demonstrated expertise).

Note: Payment is made via PayPal. We will never ask for any money from you. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.

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senior analyst jobs in portsmouth nh

Senior Quantitative Analyst - AI Trainer

Senior QC Analyst - Environmental Monitoring

Senior Professional Services Operations Analyst

(USA) Senior, Data Analyst

Sr FP&A Analyst

Senior Cyber Defense Analyst

Senior Analyst, Advanced Analytics: Auto Physical Damage (APD)

Payor Contracting & Partnerships Senior Analyst

Sr. Construction Schedule Analyst

Sr. International Tax Analyst

Senior RGM Analyst

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