Nuclear Facility Mechanical Cognizant Systems Engineer

We have an opening for a Nuclear Facility Mechanical Cognizant Systems Engineer to provide engineering expertise to ensure continued operational readiness of DOE Hazard Category 2 and 3 nuclear facility building structures by: maintaining overall cognizance of the integrity of Hazard Category 2 and 3 assigned systems; providing system engineering support for Operations and Maintenance activities such as facility modifications and equipment installations; and technical support of line management safety responsibilities. You will often be involved in significant research and development (R&D) projects applying your expertise and creating innovative solutions. This position will report programmatically to the Superblock and administratively to the Defense Technologies Engineering Division (DTED) within the Engineering Directorate.

This position may offer a hybrid schedule which includes the flexibility to work from home up to one day per week after a probationary period. The specifics of the hybrid schedule including the exact number of days required in the office and virtual work options may vary based on the needs of the team and the organization.

This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level.

You will

• Assist in monitoring the integrity and configuration of mechanical systems to anticipate the need for maintenance repair or replacement of components due to aging and degradation.
• Prepare system logs surveillance reports and detailed assessment reports and brief facility management on the results.
• Identify monitor and provide recommendations for the timely procurement and assurance of adequate inventory of spare parts and materials.
• Utilize comprehensive technical engineering skills and mechanical engineering experience to provide engineering technical support for sustainment repair and modification of safety structures systems and components.
• Support significant R&D projects by applying comprehensive level knowledge skills and innovation to create mechanical solutions that are safe and compliant with DOE orders and specifications.
• Develop and implement solutions and approaches for problems and issues of moderate complexity in support of facility operations and maintenance using independent engineering judgment in determining methods techniques and evaluation criteria in-depth analysis ingenuity and creativity.
• Identify and assess the potential impacts to assigned structures systems components from new construction modifications and repairs related to other systems such HVAC and building structures.
• Assist in developing and performing technical reviews of facility related procedures work instructions and proposed modifications to ensure technical adequacy and feasibility of implementation.
• Assist in preparing and reviewing mechanical design calculations drawings and other documents to describe and provide solutions for complex design requirements and engineering problems while ensuring compliance with technical criteria schedules and deliverables using comprehensive knowledge.
• Conduct reviews and provide technical input and advice to mid-level internal management customers and colleagues on moderately complex system related design operation and maintenance issues.
• Perform other duties as assigned.

Additional job responsibilities at the SES.3 level

• Monitor the integrity and configuration of mechanical systems to anticipate the need for maintenance repair or replacement of components due to aging and degradation.
• Identify monitor and provide recommendations for the timely procurement and assurance of adequate inventory of spare parts and materials.
• Provide engineering technical support for sustainment repair and modification of safety structures systems and components.
• Develop and implement solutions and approaches for complex problems and issues in support of facility operations and maintenance using independent engineering judgment in determining methods techniques and evaluation criteria in-depth analysis ingenuity and creativity. Support R&D projects by contributing mechanical solutions that are safe and compliant with DOE orders and specifications.
• Perform technical reviews of facility related procedures work instructions and proposed modifications to ensure technical adequacy and feasibility of implementation. Prepare and review mechanical design calculations drawings and other documents to describe and provide solutions for complex design requirements and engineering problems while ensuring compliance with technical criteria schedules and deliverables.
• Conduct reviews and provide technical input and advice to mid-level internal management customers and colleagues on complex system related design operation and maintenance issues.

Qualifications :

• Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship.
• Bachelors degree in mechanical engineering or equivalent level of education and related technical experience.
• Comprehensive knowledge of mechanical engineering standards and practices such as ASME ANSI NFPA etc.
• Broad experience with and comprehensive knowledge and skills in the design modification and evaluation of mechanical systems for buildings and facilities such as piping heating ventilation and conditioning.
• Comprehensive knowledge of and demonstrated proficiency and experience in developing or reviewing calculations specifications drawings and sketches; determining design criteria for modifications renovations and upgrades on small projects and on occasional larger projects.
• Proficient verbal and written communication skills necessary to effectively interact and collaborate in a team environment including the ability to identify develop and effectively communicate recommendations to facility and senior management regarding facility and safety equipment modifications.
• Demonstrated proficiency and experience effectively developing work process documents and safety documentation.
• Experience working in a multi-disciplinary team environment which includes scientists engineers and technicians with demonstrated ability to effectively manage oversee and deliver multiple projects on budget and schedule often with multiple parallel tasks that require the resolution of conflicting work requirements and prioritization of tasks toward predetermined long-range targets.

Additional qualifications at the SES.3 level

• Significant experience in mechanical systems for buildings and facilities and industry code compliance including Department of Energy requirements for nuclear facilities.
• Advanced knowledge of mechanical engineering standards and practices such as ASME ANSI NFPA etc.
• Significant experience with and advanced knowledge and skills in the design modification and evaluation of mechanical systems for buildings and facilities such as piping heating ventilation and conditioning.
• Advanced knowledge of and demonstrated significant experience in developing or reviewing calculations specifications drawings and sketches; determining design criteria for modifications renovations and upgrades on small projects and on occasional larger projects.
• Significant experience with and demonstrated ability to successfully lead and motivate a team in achieving project objectives which include solving highly complex problems defining and verifying requirements and resources and applying project management expertise.
• Advanced communication facilitation and collaboration interpersonal and negotiation skills necessary to effectively present explain provide strategic technical advice build consensus and influence senior management external sponsors regulators reviewers and stakeholders.

Qualifications We Desire

• Masters degree in in mechanical engineering or related field.
• Professional Engineering Registration in Mechanical or Nuclear Engineering in California or reciprocity from another state within twelve months.
• Significant experience working with mechanical structures systems and components in a nuclear environment. Significant experience preparing project estimates.
• Proficiency in CAD software (e.g. AutoCAD Creo).

Additional Information :

#LI-Hybrid

Position Information

This is a Career Indefinite position open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory

• Included in 2025 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
• Our values - visit  Clearance

  This position requires a Department of Energy (DOE) Q-level clearance.  If you are selected we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also all L or Q cleared employees are subject to random drug testing.  Q-level clearance requires U.S. citizenship. 

  Pre-Employment Drug Test

  External applicant(s) selected for this position must pass a post-offer pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

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  Remote Work :

  No

  
  

  Employment Type :

  Full-time