Engineering Jobs in Cotati Sonoma County, CA

Staff Data Scientist – Post Sales

Location: San Francisco (Hybrid)

Salary: $200–250k base + RSUs

This fast-growing Series E AI SaaS company is redefining how modern engineering teams build and deploy applications. We're expanding our data science organization to accelerate customer success after the initial sale—driving onboarding, retention, expansion, and long-term revenue growth.

About the Role

As the senior data scientist supporting post-sales teams, you will use advanced analytics, experimentation, and predictive modeling to guide strategy across Customer Success, Account Management, and Renewals. Your insights will help leadership forecast expansion, reduce churn, and identify the levers that unlock sustainable net revenue retention.

Key Responsibilities

• Forecast & Model Growth: Build predictive models for renewal likelihood, expansion potential, churn risk, and customer health scoring.
• Optimize the Customer Journey: Analyze onboarding flows, product adoption patterns, and usage signals to improve activation, engagement, and time-to-value.
• Experimentation & Causal Analysis: Design and evaluate experiments (A/B tests, uplift modeling) to measure the impact of onboarding programs, success initiatives, and pricing changes on retention and expansion.
• Revenue Insights: Partner with Customer Success and Sales to identify high-value accounts, cross-sell opportunities, and early warning signs of churn.
• Cross-Functional Partnership: Collaborate with Product, RevOps, Finance, and Marketing to align post-sales strategies with company growth goals.
• Data Infrastructure Collaboration: Work with Analytics Engineering to define data requirements, maintain data quality, and enable self-serve dashboards for Success and Finance teams.
• Executive Storytelling: Present clear, actionable recommendations to senior leadership that translate complex analysis into strategic decisions.

About You

• Experience: 6+ years in data science or advanced analytics, with a focus on post-sales, customer success, or retention analytics in a B2B SaaS environment.
• Technical Skills: Expert SQL and proficiency in Python or R for statistical modeling, forecasting, and machine learning.
• Domain Knowledge: Deep understanding of SaaS metrics such as net revenue retention (NRR), gross churn, expansion ARR, and customer health scoring.
• Analytical Rigor: Strong background in experimentation design, causal inference, and predictive modeling to inform customer-lifecycle strategy.
• Communication: Exceptional ability to translate data into compelling narratives for executives and cross-functional stakeholders.
• Business Impact: Demonstrated success improving onboarding efficiency, retention rates, or expansion revenue through data-driven initiatives.

About the Company

An early-stage AI research lab focused on interpretability, alignment, and reinforcement learning is hiring a Research Engineer. Founded by former frontier-model researchers, the team works directly on model internals and training dynamics to better understand how AI systems reason. The lab runs fast experimental research cycles, building custom tools to explore open-ended questions about model behavior.

About the Role

This role focuses on building the experimental tooling that enables interpretability research. You will develop systems that allow researchers to inspect, measure, and manipulate internal model representations. This is not a production ML or MLOps role — it's for engineers who enjoy building new experimental systems from scratch and working closely with researchers.

Responsibilities

• Build custom RL-style environments and experimental testbeds for interpretability research
• Develop tools for activation tracing and mechanistic interpretability
• Implement probes to detect latent concepts (e.g., deception, goals, uncertainty)
• Prototype activation-level steering methods beyond prompting or fine-tuning
• Collaborate with researchers to rapidly iterate on experiments and tooling

Qualifications

• Strong programming skills in Python
• Experience with ML frameworks such as PyTorch or JAX
• Experience working with deep learning models or LLMs
• Strong software engineering fundamentals and ability to build experimental ML systems

Preferred Skills

• Experience in mechanistic interpretability or alignment research
• Familiarity with reinforcement learning environments
• Background working with model internals, representations, or probing methods
• Research experience (PhD preferred but not required)

Pay range and compensation package

Competitive salary, equity, and benefits.

We're hiring a Founding Product Manager to help build AI-powered software transforming how logistics operators work.

This is not a feature-factory PM role.

This is a ground-floor opportunity to design and ship a product that turns messy, real-world logistics workflows into simple, trusted, intelligent software.

Who we're looking for

You're scrappy, systems-minded, and thrive in ambiguity.

• 3–5+ years shipping B2B SaaS products
• Experience building products from 0→1 (ideally for non-technical users)
• Comfortable operating in highly regulated or operationally complex industries
• Strong product instincts paired with structured thinking
• Bonus: logistics, supply chain, or fintech experience
• Early stage startup experience

You're excited by turning operational chaos into elegant, intuitive systems.

What you'll do

• Own end-to-end product execution. from customer discovery and prioritization through delivery and launch
• Map messy, real-world logistics workflows into crisp product experiences
• Work closely with engineering to ship AI features operators trust defining quality bars for accuracy, confidence, and explainability
• Build the product foundation: instrumentation, metrics, release processes, and scalable systems
• Visit customers to deeply understand workflows and pain points
• Partner with GTM to drive adoption, retention, and expansion

This is a true founding PM role. You'll shape not just features, but the product philosophy and operating system of the company.

Comp

$150K–$200K

0.3–0.8% equity

If you want to build at the intersection of AI and global trade and be the product leader from day one please send in your resume asap

Position Overview

The Water/Wastewater Estimator will be responsible for preparing accurate and competitive cost estimates for heavy civil infrastructure projects. This role requires strong analytical skills, in-depth knowledge of water and wastewater construction, and the ability to collaborate effectively with project managers, engineers, subcontractors, and suppliers.

Key Responsibilities

• Analyze plans, specifications, geotechnical reports, and contract documents for water and wastewater infrastructure projects
• Prepare detailed quantity takeoffs and cost estimates for treatment plants, pipelines, pump stations, and related facilities
• Solicit and evaluate subcontractor and supplier quotes
• Develop conceptual and hard-bid estimates
• Identify project risks and value engineering opportunities
• Participate in pre-bid meetings and site visits
• Maintain organized bid documentation and estimating databases
• Support project handoff to operations team upon award

Qualifications

• 5+ years of estimating experience in water/wastewater or heavy civil construction
• Strong knowledge of treatment plant construction, underground utilities, mechanical piping, and concrete structures
• Proficiency with estimating software (e.g., HCSS HeavyBid, Bluebeam, PlanSwift, or similar)
• Ability to read and interpret civil, structural, and mechanical drawings
• Strong Excel skills
• Excellent communication and organizational abilities
• Bachelor's degree in Construction Management, Civil Engineering, or related field preferred (or equivalent experience)

What We Offer

• Competitive salary based on experience
• Performance-based bonus opportunities
• Comprehensive health, dental, and vision insurance
• 401(k) with company match
• Paid time off and holidays
• Career growth opportunities within a rapidly expanding infrastructure market

About the Company

Atomus' mission is to provide world-class cybersecurity for the world's most critical organizations. We build security compliance software delivered as managed services sold directly, with relevant professional services and support. Our commercial customers include hypersonic aircraft companies, satellite and space mission systems companies, AI and software companies, among many others serving primarily the aerospace and defense industry. At Atomus we are hardworking, we move fast, and we put our customers first.

About the Role

As a Business Operations Intern, you'll play a key role in keeping our fast-moving team running smoothly—from coordinating product shipments and managing our Shopify store to planning team events and supporting the cofounders on strategic projects. We're looking for someone who moves quickly, leans on AI tools to work smarter, and has a sharp eye for design and detail. This is a hands-on role where you'll gain real experience across every facet of a growing cybersecurity startup.

Responsibilities

• Coordinate and manage physical shipments of security products to customers, including tracking orders, preparing packages, and communicating delivery timelines
• Help manage and maintain the company's Shopify store, including inventory tracking, product listings, and order fulfillment
• Plan and coordinate team events and travel logistics
• Support the cofounders on a variety of strategic and operational projects as priorities evolve
• Manage office supply and snack ordering to keep the team well-stocked and happy
• Leverage AI tools and agents (e.g., Claude, ChatGPT, automation platforms) to streamline workflows and increase efficiency across tasks

Qualifications

• Currently enrolled in a Bachelor's or Associate's degree program at a Bay Area college or university, ideally pursuing a technical degree (e.g., Computer Science, Engineering, Information Systems, Business Analytics)
• Demonstrated proficiency with AI tools and a strong preference for using AI agents (e.g., Claude, Lovable) to get work done faster
• A good eye for design—whether it's formatting a document, laying out a slide deck, or organizing a storefront
• Strong organizational skills and attention to detail
• Excellent written and verbal communication skills
• Comfortable managing logistics and coordinating shipments or deliveries
• Thrives in a fast-paced environment and can juggle multiple priorities with minimal direction
• Reliable, self-motivated, and able to work independently
• Ability to work in-office in downtown San Francisco 10–20 hours per week

Preferred Skills

• Interest in cybersecurity, technology, or the startup ecosystem
• Experience with Lovable or similar AI-powered app building tools
• Experience with Shopify or other e-commerce platforms
• Experience coordinating events, travel, or conference logistics
• Previous experience with shipping, logistics, or inventory management
• Familiarity with project management tools (e.g., Asana, Trello, Notion)
• Familiarity with design tools (e.g., Canva, Figma) for light creative tasks
• Previous internship or work experience in an office or operations role

Pay range and compensation package

Competitive hourly pay. Flexible scheduling around your class schedule (10–20 hours/week). Mentorship and hands-on exposure to multiple areas of a growing cybersecurity company. A collaborative, supportive team culture in a downtown San Francisco office.

Project Engineer

Location: Projects in Concord, Hayward & Chico, CA

Salary: $70,000 - $100,000 DOE

Overview

We are seeking a motivated Project Engineer to support both ground-up & rehab and multi-family residential & commercial projects across the Bay Area and Butte County regions. This role offers the opportunity to work with an established general contractor focused on delivering high-quality, community-driven developments including affordable housing and hotel facilities.

The Project Engineer will play a key role in coordinating project documentation, supporting field and office teams, and ensuring projects progress smoothly from preconstruction through closeout. This position is ideal for someone who thrives in a fast-paced environment and is committed to professional growth within the construction industry.

Must Haves

• Bachelor's degree in Construction Management, Engineering, Architecture, or a related field
• Minimum 2–3 years of experience supporting construction projects for a general contractor
• Proven experience working on multi-family residential or similar vertical construction projects
• Strong understanding of construction documents, specifications, and submittal processes
• Proficiency with project management software platforms and Microsoft Office Suite
• Ability to effectively coordinate with project managers, superintendents, subcontractors, and design teams
• Strong organizational skills with the ability to manage multiple tasks in a fast-paced environment
• Excellent written and verbal communication skills
• Ability to interpret and track RFI, ASI, and change order workflows
• Commitment to maintaining project schedules, quality standards, and safety protocols
• Authorization to work in the United States

Nice to Haves

• Experience working on affordable housing developments or hotel construction projects
• Familiarity with construction management software such as Procore, Bluebeam, or similar platforms
• Exposure to preconstruction activities, estimating, or value-engineering processes
• Understanding of California building codes and local permitting requirements
• Experience in the Sacramento or other Northern California construction markets
• Ability to assist with BIM coordination or technology-driven project workflows
• OSHA 30 certification or similar safety training

Responsibilities

• Support the project team in planning, coordinating, and executing multi-family residential and hospitality construction projects
• Review, process, and track submittals, RFIs, change orders, and related project documentation
• Assist with project scheduling, ensuring tasks and milestones remain on track
• Coordinate closely with architects, engineers, consultants, and subcontractors to maintain project continuity
• Prepare meeting minutes, logs, reports, and other project documentation as required
• Assist with site walks, quality control checks, and verification of completed work
• Support procurement processes, including materials tracking and subcontractor onboarding
• Help monitor project budgets and cost events in collaboration with project management
• Ensure all work aligns with safety standards, project specifications, and quality expectations
• Contribute to problem-solving efforts, proactively identifying and resolving project issues
• Facilitate communication between field and office teams to ensure seamless project execution

Staff Data Scientist – Sales Analytics

Location: San Francisco (Hybrid)

Salary: $200–250k base + RSUs

This fast-growing Series E AI SaaS company is redefining how modern engineering teams build and deploy applications. We're looking for a Staff Data Scientist to drive Sales and Go-to-Market (GTM) analytics, applying advanced modeling and experimentation to accelerate revenue growth and optimize the full sales funnel.

About the Role

As the senior data scientist supporting Sales and GTM, you will combine statistical modeling, experimentation, and advanced analytics to inform strategy and guide decision-making across our revenue organization. Your work will help leadership understand pipeline health, predict outcomes, and identify the levers that unlock sustainable growth.

Key Responsibilities

• Model the Business: Build forecasting and propensity models for pipeline generation, conversion rates, and revenue projections.
• Optimize the Sales Funnel: Analyze lead scoring, opportunity progression, and deal velocity to recommend improvements in acquisition, qualification, and close rates.
• Experimentation & Causal Analysis: Design and evaluate experiments (A/B tests, uplift modeling) to measure the impact of pricing, incentives, and campaign initiatives.
• Advanced Analytics for GTM: Apply machine learning and statistical techniques to segment accounts, predict churn/expansion, and identify high-value prospects.
• Cross-Functional Partnership: Work closely with Sales, Marketing, RevOps, and Product to influence GTM strategy and ensure data-driven decisions.
• Data Infrastructure Collaboration: Partner with Analytics Engineering to define data requirements, ensure data quality, and enable self-serve reporting.
• Strategic Insights: Present findings to executive leadership, translating complex analyses into actionable recommendations.

About You

• Experience: 6+ years in data science or advanced analytics roles, with significant time spent in B2B SaaS or developer tools environments.
• Technical Depth: Expert in SQL and proficient in Python or R for statistical modeling, forecasting, and machine learning.
• Domain Knowledge: Strong understanding of sales analytics, revenue operations, and product-led growth (PLG) motions.
• Analytical Rigor: Skilled in experimentation design, causal inference, and building predictive models that influence GTM strategy.
• Communication: Exceptional ability to tell a clear story with data and influence senior stakeholders across technical and business teams.
• Business Impact: Proven record of driving measurable improvements in pipeline efficiency, conversion rates, or revenue outcomes.

Company Overview

Milestone Technologies is a global IT managed services firm that partners with organizations to scale their technology, infrastructure and services to drive specific business outcomes such as digital transformation, innovation, and operational agility. Milestone is focused on building an employee-first, performance-based culture and for over 25 years, we have a demonstrated history of supporting category-defining enterprise clients that are growing ahead of the market. The company specializes in providing solutions across Application Services and Consulting, Digital Product Engineering, Digital Workplace Services, Private Cloud Services, AI/Automation, and ServiceNow. Milestone culture is built to provide a collaborative, inclusive environment that supports employees and empowers them to reach their full potential.

Our seasoned professionals deliver services based on Milestone's best practices and service delivery framework. By leveraging our vast knowledge base to execute initiatives, we deliver both short-term and long-term value to our clients and apply continuous service improvement to deliver transformational benefits to IT. With Intelligent Automation, Milestone helps businesses further accelerate their IT transformation. The result is a sharper focus on business objectives and a dramatic improvement in employee productivity. Through our key technology partnerships and our people-first approach, Milestone continues to deliver industry-leading innovation to our clients. With more than 3,000 employees serving over 200 companies worldwide, we are following our mission of revolutionizing the way IT is deployed.

Job Overview

You will use your leadership and organizational skills to support the access management specialist's that ensure client access control systems and processes. This role will also utilize their badging and security experience to coordinate and/or support cross-functional programs and projects related to access management operations, in line with client requirements.

Key Responsibilities:

• Lead day-to-day global badge operations management
• Hands-on operational involvement including processing Jira tickets, supporting new employee onboarding, and driving continuous program improvements
• Implement secure access zones and aide in the development of physical access infrastructure that supports identity management and RBAC/ABAC policies
• Serve as key POC for access-related escalations
• Build strong partnerships with client, vendors
• Monitor access management metrics and performance
• Provide guidance and counseling support to internal team members
• Oversee performance several Access Management Specialists

Required Qualifications:

• Minimum of 3-5 years of experience in Security Badging, Access Control fields.
• 2-3 Years of Leadership experience overseeing operations
• Proven experience with security access control systems (e.g., CCure, Kastle, Brivo, and property management access platforms)
• Strong background in access management within security operations
• Experience with Genetec is highly preferred
• Experience and knowledge in hardware functionality and locking mechanisms is a huge plus

Work Schedule:

• Primary schedule: Monday through Friday 8am to 5pm
• Flexibility to provide support on weekends as business needs arise

Compensation

Estimated Pay Range: 80,000-95,000/yr

Exact compensation and offers of employment are dependent on circumstances of each case and will be determined based on job-related knowledge, skills, experience, licenses or certifications, and location.

Our Commitment to Diversity & Inclusion

At Milestone we strive to create a workplace that reflects the communities we serve and work with, where we all feel empowered to bring our full, authentic selves to work. We know creating a diverse and inclusive culture that champions equity and belonging is not only the right thing to do for our employees but is also critical to our continued success.

Milestone Technologies provides equal employment opportunity for all applicants and employees. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, gender, gender identity, marital status, age, disability, veteran status, sexual orientation, national origin, or any other category protected by applicable federal and state law, or local ordinance. Milestone also makes reasonable accommodations for disabled applicants and employees.

We welcome the unique background, culture, experiences, knowledge, innovation, self-expression and perspectives you can bring to our global community. Our recruitment team is looking forward to meeting you.

Data Scientist Everfit | Hybrid, San Francisco Bay Area

About Everfit

Everfit is a fitness technology company building an AI-powered coaching platform that serves 280,000+ coaches and millions of training clients globally. We're transforming how fitness professionals deliver personalized training and nutrition guidance to their clients through intelligent automation and data-driven insights.

About the Role

We're looking for a senior data scientist who is passionate about fitness and energized by turning data into actionable insights that help coaches and their clients succeed. You'll play a critical role in understanding user behavior, product performance, and business metrics to inform strategic decisions as we scale our platform.

What You'll Do

Product Analytics & User Insights

• Define and track key product metrics (activation, engagement, retention, churn) to measure product health and success.
• Conduct cohort, funnel, and retention analyses to uncover behavioral insights and inform feature prioritization.
• Identify opportunities to improve onboarding, engagement, and coach–client interactions.

Experimentation & A/B Testing

• Own the experimentation framework and guide teams through hypothesis design, sample sizing, execution, and interpretation.

Strategic Impact & Roadmapping

• Collaborate with leadership to translate data insights into roadmap priorities and measurable business outcomes.
• Build predictive models and scenario analyses to support forecasting, pricing, and product investment decisions.
• Establish best practices in data instrumentation, dashboarding, and self-serve analytics across teams.

Technical Foundations

• Partner with data engineering to improve pipelines and instrumentation.
• Leverage tools such as SQL, Python/R, data visualization platforms, and experimentation platforms.

Marketing Analytics & Optimization

• Analyze customer acquisition funnels and marketing performance to identify high-impact opportunities for growth and conversion.
• Partner with marketing and growth teams to design and evaluate campaign experiments

What We're Looking For

• 4-6 years of experience in a data analyst or analytics role, preferably at a growth-stage tech company
• Strong proficiency in SQL and experience setting up data pipelines, transforming data, and analyzing large datasets
• Deep experience with creating dashboards and providing analysis on product analytics and data visualization tools (Amplitude, Looker, Tableau, Mode, or similar)
• Understanding of SaaS metrics and cohort analysis
• Experience with translating numerical findings into clear insights for non-technical team members
• Genuine passion for fitness, health, or wellness (we build for coaches so you need to understand their world)

Bonus Points:

• Experience with Python or R for statistical analysis
• Experience in a PLG (Product-Led Growth) environment
• Experience working at a company during a hypergrowth phase
• Background in fitness, health, wellness, or coaching industries

You'll thrive here if you:

• Are naturally curious and love asking \"why\" until you find the answer
• Are excited by fast-paced, high-growth environments with a passion for building out systems for scaling
• Enjoy collaborating with global teams and making complex topics understandable
• Are comfortable with ambiguity and can structure your own work
• Care deeply about the impact your insights have on real coaches and their clients

Why Join Everfit

• Establish the foundations for Fitness Intelligence and help shape the future of coaching for millions around the world
• Work with autonomy and ownership on high-impact projects
• Join a collaborative, global team with experience from leading tech and fitness companies
• Enjoy competitive salary, equity, and performance bonuses
• Build something meaningful that helps people live better, healthier lives

Everfit is an equal opportunity employer committed to building a diverse and inclusive team. We make employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability, or any other protected status.

Ready to dive into data in the fitness intelligence space? We'd love to hear from you.

Summary

The Manufacturing Engineering Technician III role involves a blend of responsibilities across manufacturing engineering, engineering development, new product introduction (NPI), and tooling design. The successful candidate will be hands-on in the early stages of building new engineering product prototypes, as well as Low Rate Initial Production (LRIP) and Maintenance, Repair, and Overhaul (MRO) builds. This individual support Design for Excellence (DFX), and design and implement tooling and fixtures with the aid of drafting resources. They will ensure that learnings from early product builds are integrated into a production-ready package. This role supports the key step in transitioning new product introductions into mature full-rate production stages. Additionally, the candidate must possess excellent collaboration skills to ensure continuous feedback with various engineering teams and production staff.

Position Responsibilities

• Hands-on building and assembly of early units of new products with engineering support.
• Conduct mechanical, electrical, and composite fabrication, troubleshooting, repair, and testing of integrated systems.
• Ensure a smooth transition from product development to manufacturing, focusing on quality, reliability and cost
• Work effectively with engineering teams and production staff to provide and receive continuous, regular feedback.
• Provide rapid prototyping fabrication and assembly services to build prototype product hardware.
• Design, develop, and implement tooling, including assembly fixtures, fabrication fixtures, and molds.
• Support DFX, cost, and reliability analysis initiatives in collaboration with design engineering teams.
• Develop and maintain manufacturing processes, including creating and updating work instructions, assembly procedures, and supporting documentation.
• Lead efforts in lean manufacturing and Six Sigma methodology to achieve continuous improvement in productivity, quality, and lead times.
• Incorporate lessons learned from NPI and early product builds into efficient production processes.
• Implement ergonomic design considerations to ensure safe, effective, and productive tool usage.
• Maintain shop equipment and tools in a safe, clean, and organized environment for development and production activities.
• Track and report Key Performance Indicators (KPIs), including build linearity and transition rates from NPI to full production.
• Work on problems of diverse scope requiring analysis of identifiable factors.

Basic Qualifications (Required Skills & Experience)

• High School diploma or GED equivalent and/or equivalent certificate from a technical school
• 4-6 years of experience in Manufacturing, Mechanical, Electrical, or Test Engineering, with experience in Aerospace, Automotive, or Commercial industries.
• Experience in Lean Manufacturing principles and Six Sigma methodology.
• Proficiency with electro-mechanical manufacturing and procedures
• Exposure to engineering drawings and Bill of Materials.
• Proficiency in Microsoft Office Suite (Word, Excel, Outlook, PowerPoint) and CAD software (SolidWorks preferred).
• Occasional travel required (up to 10%).

Other Qualifications & Desired Competencies

• Experience in sheet metal fabrication, plastics, composite layups, PCB assembly, mechanical assembly, calibration, and testing processes.
• Strong problem-solving ability, root cause analysis skills, and ability to work independently.
• High levels of initiative, ownership, and responsibility for work products.
• Commitment to continuous learning and improvement.
• Effective time management, analytical, interpersonal, and communication skills.
• Teamwork and collaboration-oriented mindset.

Compensation:

$50-70/hourly