Senior/Principal Nuclear Engineer Job at Risktec Solutions (Warrington)

Cleared Senior/Principal Systems Engineer - Nuclear Safety Assessment

We are seeking a dedicated R&D Systems Engineer with nuclear weapons experience ...

Location

United States , Albuquerque

Salary:

114000.00 - 227500.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
An active DOE Q clearance, or equivalent is required to start
High proficiency in foundational science and engineering principles, including safety-analysis methods such as fault-tree analysis, failure modes and effects analysis (FMEA), and margin quantification
Experience with systems engineering for nuclear or high-consequence weapons systems, including applying system-of-systems thinking to ensure end-to-end functionality
Proven ability to lead complex technical projects on schedule, mentor team members, and deliver high-quality products, with demonstrated leadership experience as a project manager, technical lead, principal investigator, or similar role
Understanding of nuclear surety and reliability requirements, including familiarity with nuclear weapon safety standards, related DOE orders, and the SNL nuclear weapon product realization process
Background in reliability engineering or advanced margin-quantification frameworks
Excellent technical writing and executive presentation skills
Proven ability to work on challenging engineering problems in a fast-paced, collaborative team environment requiring extensive cross-organizational teamwork

Job Responsibility

Independently review detailed technical documents and identify salient issues related to nuclear safety
Engage with weapon system, component design, assurance, and other surety organizations
Maintain awareness of issues related to design, development, production, maintenance, and dismantlement of weapon systems
Assess tests, materials, and components for adequacy against requirements
Evaluate procedures, product specifications, and standards for compliance
Lead independent safety assessments of nuclear weapon systems and components, analyzing responses under thermal, shock, vibration, and EMI/EMC environments
Define problem scope and requirements, develop technical approaches, and apply quantitative and qualitative methods (e.g., fault-tree, FMEA, margin quantification)
Design experiments or simulations to evaluate safety-critical subsystems, collaborating with system and test engineers to verify requirements
Develop analytical frameworks and digital models to support risk-informed decisions
Mentor junior engineers in safety-analysis techniques and review their deliverables for technical accuracy

What we offer

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
Extraordinary co-workers
Some of the best tools, equipment, and research facilities in the world
Career advancement and enrichment opportunities
Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance

Fulltime

New

Senior/Principal R&D Systems Engineer

The W80-5 Systems Engineering team has an immediate opening for a R&D S&E, Syste...

Location

United States , Albuquerque;Livermore

Salary:

139900.00 - 280600.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
Ability to acquire a DOE Q level security clearance

Job Responsibility

Execute a qualification strategy and program that provides qualification data used to verify the design meets requirements
Oversee activities (tests, modeling/simulation, analysis) that support qualification
Develop test objectives, allocation of requirements to tests, and identification of test data needs to support verification activities
Support test leads with test planning, execution, and analysis
Support the development and implementation of the system RQ-V
Provide briefings to different levels of management and program partners
Problem-solve with multi-disciplinary teams across the Nuclear Security Enterprise (NSE)

What we offer

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
Extraordinary co-workers
Some of the best tools, equipment, and research facilities in the world
Career advancement and enrichment opportunities
Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation
strong medical and other benefits
competitive 401k
learning opportunities
relocation assistance

Fulltime

New

Senior/Principal R&D Systems Engineer - Nuclear Safety Assessment Engineer

We are seeking a dedicated R&D Systems Engineer with nuclear weapons experience ...

Location

United States , Albuquerque

Salary:

117500.00 - 235700.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
Active DOE Q clearance or equivalent as well as ability to obtain higher clearances which may require a polygraph test.

Job Responsibility

Independently review detailed technical documents and identify nuclear safety-relevant issues
Engage with weapon system, component design, assurance, and other surety organizations to gather information and align requirements
Maintain awareness of design, development, production, maintenance, and dismantlement activities that affect weapon-system safety
Assess tests, materials, and components for adequacy against requirements
Evaluate procedures, product specifications, and standards for compliance
Lead independent safety assessments of nuclear weapon systems and components, analyzing responses under thermal, shock, vibration, and EMI/EMC environments
Define problem scope and requirements, develop technical approaches, and apply quantitative and qualitative methods (e.g., fault-tree, FMEA, margin quantification)
Design experiments or simulations to evaluate safety-critical subsystems, collaborating with system and test engineers to verify requirements
Develop analytical frameworks and digital models to support risk-informed decisions
Mentor junior engineers in safety-analysis techniques and review their deliverables for technical accuracy

What we offer

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
Extraordinary co-workers
Some of the best tools, equipment, and research facilities in the world
Career advancement and enrichment opportunities
Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation
strong medical and other benefits
competitive 401k
learning opportunities
relocation assistance

Fulltime

Senior/Principal RD Systems Engineer, Nuclear Deterrence Product Owner

We are seeking an experienced Systems Engineer to join our team that is dedicate...

Location

United States , Albuquerque

Salary:

117500.00 - 235700.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
Ability to obtain a U.S. DOE Q level security clearance
Minimum 3 years of experience in systems engineering with a focus on functional decomposition
2+ years' experience in a product ownership (or similar leadership) role driving agile process improvements, automation, or digital transformation initiatives
Nuclear Deterrence (ND) domain experience at Sandia, NSE sites, and/or NNSA, including knowledge of the Product Realization Integrated Digital Enterprise (PRIDE) Program
Fundamental technical competencies in system engineering practices, including requirements engineering, business and technology architecture, and traceability and deployment oversight
Ability to work collaboratively with software architects, developers, technical leads, customers, and end users to collect requirements, develop vision, design solutions, and deliver high quality and easy-to-use software applications
Experience aligning product strategy, vision, and roadmaps with customer needs and business objectives
Experience guiding agile teams and fostering a culture of collaboration, accountability, and continuous improvement
Experience delivering large-scale, enterprise software solutions, leveraging Scrum and/or the Scaled Agile Framework

Job Responsibility

Use systems engineering principles to research, design, and develop innovative solutions and services in the national interest
Develop Digital Engineering solutions in collaboration with Nuclear Security Enterprise (NSE) partners
Work within a model-based system engineering (MBSE) toolset to specify requirements and processes
Lead alternative analyses efforts to drive business process improvements, system interoperability across the complex, shaping the future of the digital enterprise
Initiate, design, develop, execute, and evaluate new processes, products, and information systems through basic and applied research
Work closely with ND and NSE stakeholders and engineers of varying disciplines to understand challenges, then help define and drive requirements for business and information technology improvements
Cultivate and pursue partnerships with internal and external stakeholders in the weapon and information technology communities, helping Sandia and its ND mission meet strategic objectives
Engage in the development of system requirements and priorities for information systems and conduct technical or business tradeoff analyses to inform requirements, vision, and decisions
develop and evangelize system conceptual designs to meet requirements
Collaborate with design and production agencies and NNSA to enhance Stockpile Stewardship

What we offer

Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance

Fulltime

Cleared Senior/Principal R&D Systems Engineer - Nuclear Weapons Expert

We are seeking a highly skilled and experienced R&D Systems Engineer to join the...

Location

United States , Albuquerque

Salary:

117500.00 - 235700.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
Active DOE Q clearance required to start with the ability to obtain and maintain an SCI
Selected applicant must be able to obtain and maintain Sigma 15 access as well as any other applicable program read-ins
Direct working experience and expertise in US nuclear weapons, including history with Systems Groups, membership in Product Realization Teams for Major Components, and involvement with Nuclear Safety or Assessment organizations
Experience in systems engineering of complex systems, with multidisciplinary expertise across design, testing, and analysis
Proven ability to respond to and resolve nuclear weapons requests for information, unsatisfactory reports, and/or SFN/SFIs
Demonstrated experience in requirements tracing, flow downs, and negotiations to ensure project alignment and success
Commitment to working in a mission-centered, operations-focused program
Strong knowledge of abnormal systems response, safety, and use control architecture of nuclear weapons

Job Responsibility

Serve as a nuclear weapons expert and technical advisor within the Accident Response Group (ARG)
Conduct research and development activities to enhance response capabilities, identify gaps, and improve equipment for overall mission success
Provide technical guidance and support to ensure proper response, assessment, safe handling, and resolution of nuclear weapon-related emergencies
Utilize extensive experience with US Nuclear Weapons in the development of training and exercises
Actively participate in the technical planning of drills and exercises for the ARG, including the annual interagency Nuclear Weapon Accident Incident Exercise (NUWAIX)
Collaborate closely with the NNSA Office of Defense Programs (NA10), NNSA Office of Counterterrorism and Counterproliferation (NA80), and NNSA Office of Nuclear Incident Response (NA-84)
Work with the Department of War (DoW) and Defense Threat Reduction Agency (DTRA) emergency response partners in the development of training, exercise objectives, and events
Lead the technical planning team for the annual multi-agency Nuclear Weapon Accident Incident Exercise (NUWAIX) as the system integration expert for NEST/NA-84 exercise and operations planning
Represent Sandia in collaborative discussions with other agencies and laboratories to facilitate clear communication of information

What we offer

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
Extraordinary co-workers
Some of the best tools, equipment, and research facilities in the world
Career advancement and enrichment opportunities
Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance

Fulltime

Senior/Principal R&D Mechanical Engineer - Nuclear Safety Assurance

Join our dynamic team as an R&D Mechanical Engineer, where your expertise will p...

Location

United States , Albuquerque

Salary:

114000.00 - 227500.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
Ability to obtain and maintain a DOE Q clearance

Job Responsibility

Use engineering analysis tools to evaluate safety margins and support the development and qualification of components or systems to assure nuclear safety
Analyze the capability of components and systems to meet nuclear safety requirements, particularly their ability to withstand stress from conditions such as temperature, load, motion, shock, vibration, pressure, and humidity
Engage with engineering drawings and CAD tools to support design and analysis efforts CREO/SolidWorks and PDMLink to design, model, and lead the product
Develop expertise in the design and functionality of safety-critical components and systems, including mechanisms such as strong links, LACs, and firing subsystems, to fully evaluate component performance across normal and abnormal environments
Utilize your expertise to identify safety-critical features and ensure that designs meet assured safety standards
Write nuclear safety specifications and prepare documentation for requirements outlined in various Realized Product Procedures (RPPs), which are essential for the weapon realization life cycle
Partner with subject matter experts to create the technical basis from analyses and test data that demonstrates safety-critical components are safe for their intended environments
Work closely with the nuclear safety system lead, design and production teams, and other key partners across the Nuclear Security Enterprise (e.g., Kansas City NSC, Pantex) to develop solutions for a wide range of technical challenges
Help develop nuclear safety fault trees for components and systems, applying research to the design, development, analysis, and testing of mechanical, electromechanical, and piezoelectric systems

What we offer

Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance

Fulltime

New

Senior/Principal R&D Systems Engineer - W80-5 Navy Limited Operational Capability (LOC) Lead

The W80-5 Systems Engineering team has an immediate opening for a R&D S&E, Syste...

Location

United States , Albuquerque; Livermore

Salary:

139900.00 - 280600.00 USD / Year

Sandia National Laboratories

Expiration Date

Until further notice

Requirements

A Bachelor's degree in a relevant discipline and five (5) years of directly relevant experience, or an equivalent combination of directly relevant education and engineering or scientific experience that demonstrates the knowledge, skills, and ability to perform independent research and development
Active DOE Q-level security clearance required

Job Responsibility

Represent Sandia National Laboratories on joint working groups with external stakeholders (missile contractors, Department of Defense (DoW), NNSA)
Participate as a stakeholder in the active POG subgroups
Participate in the development of the Missile-Warhead Interface Control Document
Provide strategic direction, and develop tactical execution plans for joint system testing, in coordination with the Sandia Joint Test and JTA teams
Provide briefings to different levels of management and program partners
Problem-solving with multidisciplinary teams across the Nuclear Security Enterprise (NSE)
Close interaction with key individuals across the W80-5, NNSA, partner Design Agency Labs, and DOE Production Agencies
Provide technical consultations on critical design elements

What we offer

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide
Extraordinary co-workers
Some of the best tools, equipment, and research facilities in the world
Career advancement and enrichment opportunities
Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)
Generous vacation
strong medical and other benefits
competitive 401k
learning opportunities
relocation assistance

Fulltime

Design Engineer - Nuclear Valves

Celeros Flow Technology LLC has an immediate opening for a Design Engineer to pr...

Location

United States , Houston

Salary:

90000.00 - 105000.00 USD / Year

Celeros Flow Technology

Expiration Date

Until further notice

Requirements

Bachelor's degree (BS) from four-year college or university in Mechanical Engineering or a related field
Minimum of 2 or more years of experience in a mechanical product design role, preferably in either the valve product or nuclear power industry
Must have experience in the valve industry and/or nuclear industry
Must have the ability to apply mathematical concepts and operations to develop and check design validity
Must have the ability to design and generate creative mechanical solutions
translate concepts and information into images
apply design principles, solve practical problems, and deal with a variety of concrete variables in situations where only limited standardization exists
Must be able to demonstrate attention to detail, problem-solving and analytical skills, and the ability to read and understand blueprints
Must have excellent communication skills, be self-motivated, a self-starter, have a sense of urgency, be personable and well organized
Must be able to perform the principal duties and responsibilities of the position and be able to work responsibly without close supervision individually and collaborate in a team environment

Job Responsibility

Perform engineering calculations, design, and analysis as required to ensure and maintain structural and mechanical integrity of new and existing products
Write engineering specifications, procedures and reports as required
Update existing assembly and manufacturing procedures as required
Participate in Technical Evaluations of safety related products to determine critical characteristics to be used in commercial grade dedication as required by nuclear power industry codes and regulations
Create new and revise existing commercial grade dedication instructions
Review customer specifications and inquiries to evaluate the compliance of existing designs and resolve any conflicts or ambiguities
Communicate effectively with project management and customers to get clarification and understanding of order requirements if necessary
Review existing bills of materials and drawings and check against quotation and purchase order documents to ensure accuracy and adequacy of the design and documentation
Check and/or approve drawings, bills of material, specifications and reports as required
Maintain up to date knowledge of codes and standards such as ASME B16.34, ASME B&PV Code Sections I, II, III and VIII, NQA-1, 10 CFR Part 21, etc

What we offer

Health Insurance (effective on start date)
Dental/Vision (effective on start date)
Flexible Spending Accounts/Health Savings Accounts
Life Insurance/Disability/Accident/Critical Illness
401(k) Savings Plan with generous company match
Tuition Reimbursement
Paid time off/Generous Holiday Schedule

Fulltime

Senior/Principal Nuclear Engineer

Risktec Solutions

Location:
United Kingdom , Warrington

Category:
-

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 07, 2026

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