Lead operational improvement projects, manage credentialing database activities, conduct data analysis to drive process enhancements, and collaborate with teams to improve operational performance and address credentialing application delays.

Title: Design Optimization Engineer - Postdoctoral Researcher Location: Livermore United States Hybrid Reference #: REF8361P Job Code: PDS.1 Post-Dr Research Staff 1 Organization: Engineering Position Type: Post Doctoral Job Description: Company Description Join us and make YOUR mark on the World! Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact. Job Description We have an opening for a Design Optimization Engineer - Postdoctoral Researcher to conduct basic and applied research in the optimization, simulation, and design of physical and engineered systems. You will work both collaboratively and independently to extend and develop physics-based design optimization tools. Our team is working to advance the state-of-the-art in support of Laboratory missions. This position is in the Computational Engineering Division (CED), within the Engineering Directorate. Depending on your assignment, this position may offer a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week. You will - Develop and implement high-performance computing (HPC) algorithms for the simulation and design optimization of systems governed by nonlinear, transient, multiscale and multiple physical phenomena, including uncertainties in geometry and material properties. - Contribute to identifying and solving challenging design optimization problems with gradient-based optimization approaches. - Develop continuum models and implement them in our HPC numerical analysis software to solve the governing partial differential equations of the physical system, to predict design responses of interest. - Demonstrate our design optimization capabilities and establish credibility with mission customers. - Document research findings through presentations and peer-reviewed journal articles and contribute to identifying future research directions and proposals that will provide opportunities in the field. - Collaborate with multidisciplinary teams to integrate design optimization tools with other simulation and analysis frameworks. - Pursue independent (but complementary) research interests and interact with a broad spectrum of scientists internal and external to the Laboratory. - Stay current with technological advancements by updating and enhancing your knowledge of the latest HPC algorithms, simulation techniques, and design optimization methods. - Perform other duties as assigned. Qualifications - Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. - PhD in Engineering, Mathematics, Computational Science, or a related field. - Experience developing custom simulation tools using continuum discretization approaches (e.g., finite elements) for physical systems. - Proficiency in programming languages such as C/C++/FORTRAN and scripting languages including Python. - Fundamental knowledge of HPC and one or more associated parallel programming interfaces, such as MPI, OpenMP, or CUDA. - Ability to perform independent research. - Proficient verbal and written communication skills needed to effectively collaborate in a team environment, to present and explain technical information, to document work, and to prepare and present successful proposals and high-quality research papers. Qualifications We Desire - Experience in design sensitivity analysis via direct (forward) and adjoint (backward) methods, shape/topology optimization and other design optimization techniques; familiarity with machine learning and data science techniques. - Experience simulating and designing systems that involve complex nonlinear, transient, multiphysics models; proficient in nonlinear solvers, and linear algebra concepts for solving challenging linear systems. - Experience working in a collaborative software development environment, including experience with version control systems, such as Git. - Adept at tackling complex technical challenges with a logical and analytical approach, working effectively with experts from various fields, and promoting an inclusive and diverse work environment. Pay Range $122,028 - $143,328 Annually This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage. An employee's position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs. Additional Information #LI-Hybrid Position Information This is a Postdoctoral appointment with the possibility of extension to a maximum of three years, open to those who have been awarded a PhD at time of hire date. Why Lawrence Livermore National Laboratory? - Included in 2026 Best Places to Work by Glassdoor! - Flexible Benefits Package - 401(k) - Relocation Assistance - Education Reimbursement Program - Flexible schedules (*depending on project needs) Security 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. Wireless and Medical Devices Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices. If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings. How to identify fake job advertisements Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under "Find Your Job" of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond. Equal Employment Opportunity We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws. Reasonable Accommodation Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request. California Privacy Notice The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here. Videos To Watch

Title: Principal Quality Assurance Engineer Location: Lakeland United States Job Description: Department Publix Technology Description Publix Super Markets, Inc., the largest employee-owned company in the U.S., is driven by a dynamic technology team of 2,300+ professionals delivering innovative solutions to 1,400+ stores and 200,000+ associates across 8 states. From IT security and platform engineering to architecture, software development, and infrastructure, we offer career opportunities at every level—internships through technical leadership. Join a company consistently ranked among Fortune’s “100 Best Companies to Work For” and help us build more than great subs—build the future of technology at Publix. Join the Publix Transportation Systems Development Team as a Principal Quality Assurance Engineer. Our team is growing, and we are looking for a Principal Quality Assurance Engineer to add to our winning culture and track record of delivering exceptional solutions to our users. This position will plan, coordinate, and execute testing of applications that support Transportation systems. In this role, you will analyze acceptance criteria to create test plans and automated testing frameworks for UI, unit, and integration testing. Location: Hybrid (Lakeland, FL) Work Model: Enjoy the best of both worlds—collaborate in person and innovate remotely. Why Join Us? - Hybrid Flexibility: Work remotely when you need focus time, and join us onsite for high-impact collaboration and brainstorming sessions. - Operational Efficiency: Ensure technology solutions support efficient workflows and enable automation to improve operational effectiveness. - Cutting-Edge AI Projects: Drive innovation in AI platforms, integrating advanced tools and frameworks to solve complex business challenges. - Empowered Culture: We value autonomy, creativity, and continuous learning—your ideas shape the future of technology in our organization. Your Impact - Lead software and product testing for Transportation Systems - Establish and implement quality assurance processes and testing strategies - Mentor QA Engineers in best practices and automated test frameworks - Ensure QA activities are performed throughout the project lifecycle - Participate in requirements and design meetings to estimate testing efforts - Develop detailed test plans and translate documentation into test scenarios - Create and manage test cases, sets, and scripts using Azure DevOps - Design, develop, and execute automated tests - Prepare test data and execute manual and automated test scripts - Track defects and facilitate problem resolution - Present testing results for go/no-go decisions - Operate in an agile environment with frequent code releases - Participate in application validation for production support #LI-JB1 Required Qualifications - Bachelor’s degree in Computer Science or a related analytical field or equivalent experience - 6+ years of experience in software testing and quality assurance for backend, platform, or workflow-based systems - 4+ years of experience designing and executing test automation strategies for C# applications, including development of automated test frameworks using tools such as Playwright, Selenium or Rest Sharp - 4+ years of experience creating and executing manual and automated test cases across APIs, services, and enterprise applications - 3+ years of experience using Azure DevOps (or similar tools) for test case management, defect tracking, and CI/CD integration - 3+ years of experience mentoring or leading QA engineers - Solid experience validating API-driven systems and distributed workflows - Working knowledge of SQL and database validation techniques - Experience collaborating with engineers, analysts, and product owners to translate business risk into testable criteria Preferred Qualifications - Familiarity with .NET-based test frameworks (e.g., NUnit, xUnit) and/or Python-based testing frameworks - Experience validating RESTful APIs and JSON payloads using tools such as Postman, SoapUI, or automation libraries - Exposure to testing AI-enabled systems (e.g., LLM-powered workflows, OCR, classification, anomaly detection), even at an integration level - Experience integrating automated tests into Azure DevOps Pipelines and CI/CD workflows - Understanding of logging, monitoring, and observability concepts for validating system health and reliability - Familiarity with working in regulated or high-reliability environments (finance, healthcare, etc.) - Experience working within Agile / Scrum teams - Strong communication skills with the ability to influence across technical and non-technical stakeholders Hours of Work Minimum 45 Hours per Week Frequency of Pay Monthly Minimum Base Pay 8,145 Maximum Base Pay 12,220 Potential Annual Pay with Bonus 105,885 - 158,860 Year End Bonus As a year-end bonus to associates, Publix issues one month’s extra pay (pro-rated in the first year) each year if associate remains employed through issue date of the bonus check that year. This is calculated as a 13th month of pay in the Potential Annual Pay with Bonus line above. Benefits Information - Employee stock ownership plan that contributes Publix stock to associates each year at no cost - An opportunity to purchase additional shares of our privately-held stock - 401(k) retirement savings plan - Group health, dental and vision plans plan - Paid Time Off - Paid Parental Leave - Short- and long-term disability insurance - Tuition reimbursement - Free hot lunches (buffet-style) at facilities with a cafeteria Travel Frequency 0% Address 333 E Lemon St City Lakeland State Florida Zip Code 33801-5006 Additional Information Your application may have additional steps that you will need to complete in order to remain eligible for consideration. Please be sure to monitor your email, including your spam folder, on a daily basis for critical, time-sensitive emails that could require action within 24-48 hours. ​​​​​For this position, Publix does not and will not file a petition or application with the USCIS or Department of State on behalf of any noncitizen for any immigration-related benefit to work and/or to continue to work in the United States, e.g., an H-1B or TN petition or permanent residence. Relocation/Household Good Shipment Allowance will NOT be provided.

Perform design engineering and system design support while coordinating with MEP disciplines. Conduct field surveys and system assessments, ensuring compliance with codes and standards, and assist in business development by nurturing client...