MongoDB is building a world-class team in North America to create tooling that helps customers modernize their applications and migrate their data from legacy relational databases to MongoDB in real-time. As companies modernise legacy workloads and data ecosystems, they are increasingly drawn to the flexibility and scalability of the document model. The tools developed by the Code Generation and Data Migration team are critical in this journey, helping customers with schema modeling, code generation, initial data loads, and continuous data synchronization.

We're looking for a Senior Engineer with a strong background in computer science fundamentals, systems design, experience in the Java ecosystem, streaming systems, and data-intensive applications to join our engineering team. In this role, you will be instrumental in designing, building, and optimizing the underlying data structures, algorithms, and database interactions that power our generative AI platform, code generation and migration tools. This involves crafting sophisticated orchestration layers, robust integration points, and high-performance data systems that seamlessly connect and leverage advanced AI capabilities for code generation and  building a sophisticated data migration suite using a modern technology stack, which includes Java, Spring Boot, Kafka, Debezium, and React.You will work on critical components that ensure the scalability, efficiency, and reliability of our services, collaborating closely with AI researchers, product management and other engineers to design and implement cutting-edge products that solve complex customer challenges.

This role will be based out of North America in the PST and MST zones only.

The ideal candidate for this role will have

• 2+ years of  engineering experience in backend systems, distributed systems, or core platform development
• Experience in one or several of Java, Rust, C/C++, and/or Python, with a strong understanding of systems-level programming, memory management, and performance tuning
• Experience with streaming data platforms such as Apache Kafka and Change Data Capture (CDC) tools like Debezium
• Experience with relational data modeling and hands-on experience with at least one SQL database (Postgres, MySQL, etc)
• Exposure to client-side technologies such as JavaScript and React is a plus
• Good understanding of algorithms, data structures and their time and space complexity
• Curiosity, a positive attitude, and a drive to continue learning
• Excellent verbal and written communication skills

Nice to Have

• Familiarity with cloud-native distributed systems (e.g., Kubernetes)
• Experience with NoSQL databases and understanding of their trade-offs is great, but not required. We'll teach you NoSQL
• Contributions to relevant open-source projects

Position Expectations

• Contribute high-quality, well-tested backend code to the data migration engine and core components of our generative AI orchestration platform
• Collaborate effectively with Product Management, AI researchers and machine learning engineers and designers to build and deliver on the product roadmap
• Work to develop robust and efficient backend services that orchestrate AI functionalities
• Identify and address performance bottlenecks and architectural challenges in our systems, particularly within data flow and orchestration
• Participate actively in code reviews to enforce best practices and patterns
• Help troubleshoot and resolve complex technical issues in our distributed systems
• Give and solicit feedback on technical design documents and pull requests
• Perform tasks related to process such as CI/CD, quality, testing, etc 

Success Measures

Within the first three months, you will have:

• Familiarize yourself with the MongoDB database and aggregation language
• Familiarize yourself with the backend tech stack including Java, Spring Boot, and Kafka
• Set up software development infrastructure (tech stack, build tools, etc) to enable development using the relevant tech stacks
• Started collaborating with your peers and contributed to code reviews

Within six months, you will have:

• Familiarised yourself with the rest of our the application modernization tool stack
• Delivered at least one large scale feature that spans the entire tech stack
• Reviewed and contributed to scope and technical design documents

Within 12 months, you will have:

• Become a key contributor to our backend stack, capable of taking on complex features independently
• Helped recruit and interview new members of the team
• Collaborated effectively with other teams at MongoDB on cross-functional projects

About MongoDB

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform—the most widely available, globally distributed database on the market—helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and nearly 60,000 customers—including 75% of the Fortune 100 and AI-native startups—relying on MongoDB for their most important applications, we’re powering the next era of software.

Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. 

To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world!

MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.

MongoDB, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type and makes all hiring decisions without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

REQ ID: 425547

Job Summary 

Kairos Power is seeking a highly motivated Senior Engineer will be part of the team focused on Design for Operations and the development and maturation of the Concept of Operations for the KP-FHR, with near term applicability for the Hermes Demonstration Reactor. You will work in close collaboration with systems, nuclear, mechanical, process, I&C engineering groups and operations to ensure major plant functional and operational needs are translated into the design to ensure successful plant operation. If you have power, chemical, or process plant operational and design experience, see how you can leverage it to support the next generation of clean energy. 

Responsibilities 

• Develop and refine the plant’s detailed operational strategy, including operating modes, envelopes and key state points, leveraging deep knowledge of plant performance requirements.
• Translate operational goals into actionable system- and component-level requirements for Structures, Systems and Components (SSCs), balancing performance expectations and design constraints.
• Define anticipated and planned plant transients and collaborate with simulation teams to model and assess system responses and design adequacy.
• Collaborate closely with cross-functional design teams to inform and guide plant-level decisions, ensuring operational requirements and control strategies are incorporated.
• Support design optimization efforts aimed at enhancing plant performance, reliability and availability while mitigating technical risks.
• Support development of design for operations workflows to support delivery of the plant from concept to detailed design included plant commissioning.
• Perform other duties as assigned. 

Qualifications 

• BS or MS Mechanical, Nuclear, Chemical or other related engineering discipline with 6+ years of relevant experience.
• 4+ years of experience in either plant design and/or plant performance analysis.
• Fundamental understanding of power or industrial process plant operation and equipment and the interrelationships between them.
• Plant Performance - Proficient knowledge in power plant steady state performance.
• Plant Dynamics – Proficient knowledge in power plant maneuvering, control of closed-loop heat transport systems, transient thermodynamics and T-H.
• Demonstrated experience applying understanding of plant operations in the development of plant design configuration.
• Demonstrated ability of applying engineering knowledge to deliver results while being able to thrive in an environment with evolving requirements.
• Strong technical writing skills, with the ability to clearly document operational philosophies, assumptions and technical decisions.
• Demonstrated ability to work as part of a team on problems as well as lead/coordinate the timely resolution of issues in cross functional teams.

Knowledge, Skills & Abilities 

• Strong interpersonal skills and able to be independent, resourceful, and proactive in the face of the lack of information or unknowns. 
• Desire and ability to function in a fast-paced small company environment while wearing multiple hats. 
• Working experience with plant simulation tools (e.g., APROS or other simulation platform) is desired.
• Ability to work with highly collaborative team.
• Ability to solve problems quickly and efficiently.
• Prioritizes and ensures safety of one self and others.
• Ability to proactively collect, manage and transfer knowledge.
• Ability to seek different and novel ways to create efficiencies when working on problems, challenges and issues. 

Physical Demands 

• Remaining in a stationary position for prolonged period.

Environmental Conditions 

• General office environment.
• Assessing the accuracy, neatness and thoroughness of the work assigned.
• High-concentration, demanding and fast-paced. 

Safety and PPE 

• Supporting and engaging in Process Hazards Analysis (PHA) and Haz Ops.
• Reading and interpreting hazardous warning signs.
• Reporting issues with equipment or unsafe conditions.
• Wearing proper PPE, to include face mask, face shields, gloves, safety shoes. 

Travel 

• Some travel may be required (up to 20%). 

#LI-Onsite

Job Summary 

Kairos Power is seeking a highly motivated Senior Engineer will be part of the team focused on Design for Operations and the development and maturation of the Concept of Operations for the KP-FHR, with near term applicability for the Hermes Demonstration Reactor. You will work in close collaboration with systems, nuclear, mechanical, process, I&C engineering groups and operations to ensure major plant functional and operational needs are translated into the design to ensure successful plant operation. If you have power, chemical, or process plant operational and design experience, see how you can leverage it to support the next generation of clean energy. 

Responsibilities 

• Develop and refine the plant’s detailed operational strategy, including operating modes, envelopes and key state points, leveraging deep knowledge of plant performance requirements.
• Translate operational goals into actionable system- and component-level requirements for Structures, Systems and Components (SSCs), balancing performance expectations and design constraints.
• Define anticipated and planned plant transients and collaborate with simulation teams to model and assess system responses and design adequacy.
• Collaborate closely with cross-functional design teams to inform and guide plant-level decisions, ensuring operational requirements and control strategies are incorporated.
• Support design optimization efforts aimed at enhancing plant performance, reliability and availability while mitigating technical risks.
• Support development of design for operations workflows to support delivery of the plant from concept to detailed design included plant commissioning.
• Perform other duties as assigned. 

Qualifications 

• BS or MS Mechanical, Nuclear, Chemical, or other related engineering discipline with 6+ years of relevant experience.
• 4+ years of experience in either plant design and/or plant performance analysis.
• Fundamental understanding of power or industrial process plant operation and equipment and the interrelationships between them.
• Plant Performance - Proficient knowledge in power plant steady state performance.
• Plant Dynamics – Proficient knowledge in power plant maneuvering, control of closed-loop heat transport systems, transient thermodynamics and T-H.
• Demonstrated experience applying understanding of plant operations in the development of plant design configuration.
• Demonstrated ability of applying engineering knowledge to deliver results while being able to thrive in an environment with evolving requirements.
• Strong technical writing skills, with the ability to clearly document operational philosophies, assumptions and technical decisions.
• Demonstrated ability to work as part of a team on problems as well as lead/coordinate the timely resolution of issues in cross functional teams.

Knowledge, Skills & Abilities 

• Strong interpersonal skills and able to be independent, resourceful, and proactive in the face of the lack of information or unknowns. 
• Desire and ability to function in a fast-paced small company environment while wearing multiple hats. 
• Working experience with plant simulation tools (e.g., APROS or other simulation platform) is desired.
• Ability to work with highly collaborative team.
• Ability to solve problems quickly and efficiently.
• Prioritizes and ensures safety of one self and others.
• Ability to proactively collect, manage and transfer knowledge.
• Ability to seek different and novel ways to create efficiencies when working on problems, challenges and issues. 

Physical Demands 

• Remaining in a stationary position for prolonged period.

Environmental Conditions 

• General office environment.
• Assessing the accuracy, neatness and thoroughness of the work assigned.
• High-concentration, demanding and fast-paced. 

Safety and PPE 

• Supporting and engaging in Process Hazards Analysis (PHA) and Haz Ops.
• Reading and interpreting hazardous warning signs.
• Reporting issues with equipment or unsafe conditions.
• Wearing proper PPE, to include face mask, face shields, gloves, safety shoes. 

Travel 

• Some travel may be required (up to 20%). 

The salary range for this position is $140,600 to $165,400 for employees working onsite at our Alameda, CA headquarters. The range provided in this job posting represents the typical range or starting rate of candidates hired in California. Factors that may be used to determine your actual salary may include your education, experience, knowledge, skills, abilities, the market data for your work location, and a comparison to other employees already in the role. 

#LI-Onsite

Job Summary 

We are searching for an IT Infrastructure Engineer, on-site for a 6 month contract, to be responsible and accountable for the smooth running of our end-user devices and core applications, primarily for infrastructure located in the Kairos Power Albuquerque, NM site. You will champion the support, implementation, and maintenance of core infrastructure needs impacting the accelerated delivery of engineering and manufacturing services. The successful candidate will have previous IT systems/network engineering experience in an engineering company.  

Responsibilities 

• Install and maintain cloud and on-premises networking and compute resources using IaC where possible 
• Standardize design and management of cloud and on-premises networking and compute resources 
• Coordinate and collaborate with outside partners to deliver secure, functional business solutions 
• Build scalable, reliable, automated solutions that efficiently improve network and application performance 
• Design, deploy, and maintain hybrid infrastructure across multiple offices and datacenters 

Qualifications 

• 3+ years recent work experience as Network Engineer, Systems Engineer, or similar role in a medium/enterprise scale organization; 7+ years overall IT experience 
• Bachelor’s Degree in Computer Science or similar field; or an equivalent combination of education, professional certifications, and work experience is preferred 
• Recent experience with datacenter operations, physical and logical networking, and systems engineering 
• Demonstrated on-the-job knowledge and experience with cloud services technologies (e.g. AWS, Azure, Google Cloud) to include design, implementation, and integration 
• Strong understanding of server-client technologies 
• Practical experience using configuration management tools (e.g. Terraform, Ansible, Puppet, Chef) as part of an Infrastructure as Code environment 
• High degree of proficiency in Windows, macOS, Linux, MDM, SSO, and at least one cloud IaaS platform 
• Prompt communication and excellent documentation skills 
• Resourceful / problem-solver mentality 
• Positive, enthusiastic, service-oriented attitude 
• Able to work in a fast-paced environment and embrace constant changes and challenges 
• Working knowledge of modern information security practices 
• Prior work experience in a highly-regulated industry, especially within the government community 
• Prior work experience for an engineering or industrial/manufacturing company 
• Prior work experience in a fast-paced, high-growth startup 
• Ability to work with highly collaborative team
• Ability to solve problems quickly and efficiently
• Prioritizes and ensures safety of one self and others
• Ability to proactively collect, manage and transfer knowledge
• Ability to seek different and novel ways to create efficiencies when working on problems, challenges and issues

Physical Demands

• Remaining in a stationary position, often standing, or sitting for prolonged periods
• Moving about to accomplish tasks or moving from one worksite to another
• Adjusting, moving, transporting, installing, positioning, or removing objects up to 50 pounds in all directions
• Communicating with others to exchange information

Environmental Conditions

• General office environment
• Assessing the accuracy, neatness and thoroughness of the work assigned
• High-concentration, demanding and fast-paced

Safety and PPE

• Reading and interpreting hazardous warning signs
• Reporting issues with equipment or unsafe conditions

Travel 

Some travel may be required up to 10%,

Additional Requirements 

• Occasionally requires overtime
• Occasionally requires working weekends
• Occasionally requires schedule flexibility
• Occasionally requires extended hours to support launch and critical project timelines

• #LI-Onsite

Job Summary 

Kairos Power is seeking a highly motivated Senior Electron Beam Welding Engineer that will be responsible for in-house electron beam welding (EBW) capability development and technology maturation. In this role, you will work on the Welding Development team to assist in the advancement and implementation of welding and manufacturing capabilities. The candidate will partner with design, testing, materials, modeling & simulation, and reliability engineers to develop weld joint design, weld techniques, weld specifications, and inspection methods needed for welded KP-FHR and test platform assemblies.

Responsibilities

Procedure Development & Qualification

• Design, develop, and maintain EBW procedures and supporting documentation (WPS/PQR) to meet material, joint, and quality requirements in compliance with applicable codes, standards (e.g., AWS, ASME, API), and regulatory expectations.
• Develop and execute weld qualification plans, including test coupons and validation trials, in coordination with quality and materials teams
• Anticipate future welding needs by aligning EBW procedures and qualification strategies with evolving product designs, manufacturing processes, and regulatory demands.

Quality Assurance & Process Optimization

• Oversee and review EBW inspections to verify compliance with design specifications and applicable quality standards.
• Analyze weld test data to identify trends, determine root causes of defects, and implement corrective actions to enhance welding performance and reliability.
• Lead continuous improvement initiatives to optimize EBW processes, increase efficiency, reduce cost, and maintain high-quality output.

Collaboration & Training

• Partner with design engineers, production teams, and key stakeholders to integrate EBW processes into the manufacturing workflow effectively.
• Provide hands-on training and mentorship to welding technicians and operators on EBW techniques, safety protocols, and industry best practices.

Technical Documentation & Reporting

• Develop and maintain comprehensive technical documentation, including process instructions, work procedures, and detailed reports.
• Ensure accurate recordkeeping of EBW procedures, inspection results, and quality control data to support traceability and continuous improvement.

Equipment Ownership & Maintenance

• Ensure performance, reliability, and availability of EBW systems, including high-vacuum chambers, beam control units, and power supplies.
• Monitor and calibrate critical parameters (e.g., beam alignment, focus, power output, vacuum integrity) to maintain process consistency and compliance with specifications.
• Lead maintenance and upgrade initiatives, including preventive planning, troubleshooting, vendor coordination, and system improvements to enhance automation and long-term equipment reliability.

Other Duties as Assigned

Qualifications

• Bachelor’s degree or higher in Welding Engineering, Materials Science, Mechanical Engineering, or a related technical field
• Minimum 5 years of welding engineering experience, with substantial hands-on experience in EBW required
• Experience with weld inspection methods, including both destructive testing and non-destructive examination (NDE) techniques
• Hands-on experience working with austenitic stainless steels, carbon steels, piping systems, and pressure vessels
• Experience leading cross-functional projects or mentoring junior engineers and technicians is preferred.
• Experience with manual and CNC machining operations is preferred

Knowledge, Skills & Abilities

• Strong knowledge of EBW processes, high-vacuum systems, and high-voltage equipment operation
• Proficient in reading and interpreting complex engineering and assembly drawings, including weld symbols and geometric dimensioning & tolerancing (GD&T)
• Familiarity with ASME Boiler and Pressure Vessel Code and AWS structural welding standards
• Skilled in using CAD software such as SolidWorks for part modeling and drawing generation
• Proficient with computers and digital tools used in technical documentation, data analysis, and process development
• Familiarity with the calibration, preventive maintenance, and troubleshooting of EBW systems and associated instrumentation.
• Strong problem-solving skills and ability to drive continuous improvement through data-driven analysis and collaboration
• Proven ability to manage multiple priorities in a fast-paced, agile manufacturing or development environment
• Excellent verbal and written communication skills; able to collaborate effectively across engineering, production, and quality teams
• Ability to collect, manage, and transfer technical knowledge across teams or documentation systems
• Committed to fostering a safe, inclusive, and high-performing workplace
• Ability to work with highly collaborative team.
• Ability to solve problems quickly and efficiently.
• Prioritizes and ensures safety of oneself and others.
• Ability to seek different and novel ways to create efficiencies when working on problems, challenges and issues.

Physical Demands

• Ascending or descending ladders, stairs, scaffolding, ramps, scissor lifts, articulated boom lifts and the like
• Setting up and transferring temporary structures (e.g. scaffolding, ladders)
• Moving self in different positions to accomplish tasks in various environments including tight and confined spaces
• Remaining in a stationary position, often standing, or sitting for prolonged periods
• Moving about to accomplish tasks or moving from one worksite to another
• Adjusting, moving, transporting, installing, positioning, or removing objects up to 50 pounds in all directions
• Communicating with others to exchange information
• Operating motor vehicles, heavy equipment or machinery
• Use hand tools
• Repetitive assembly operations of manufacturing test fixtures and test setups in collaboration with engineering and manufacturing teams 

Environmental Conditions

• Low temperatures
• High temperatures
• Outdoor environment or elements such as precipitation and wind 
• Noisy environments
• Small and/or enclosed spaces
• Odors or fumes from chemicals or chemical reactions
• Elevated heights
• Accessing the accuracy, neatness and thoroughness of the work assigned
• High-concentration, demanding and fast-paced
• General office environment
• Manufacturing/Industrial Environment

Safety and PPE

• Reading and interpreting hazardous warning signs
• Wearing proper PPE, to include face mask, face shields, gloves, safety shoes, etc.
• Reporting issues with equipment or unsafe conditions

Travel

• Some travel may be required (up to 20%) to other Kairos Power offices or external suppliers

Additional Requirements

• Occasionally requires overtime
• Occasionally requires working weekends 
• Occasionally requires schedule flexibility
• Occasionally requires non-standard work-week hours 
• Occasionally requires extended hours to support launch and critical project timelines

#LI-Onsite