Microanalytical Mass Spectrometry and Microscopy - Postdoctoral Researcher

We need to extract job posting content and format into semantic HTML with headings

for sections: About the role, Responsibilities, Requirements, Qualifications, Skills, Benefits, Pay, Schedule. Use

• for any list of duties/requirements/benefits, and

  for prose. Do NOT repeat job title as heading. Do NOT put Job ID/requisition numbers as headings — fold minor metadata into a short

  or drop it. Preserve ALL substantive information; do NOT invent or summarize away detail. Remove cookie/navigation/legal/EEO/equal-opportunity/scam-warning boilerplate, duplicated lines, and application instructions. IMPORTANT: include a section ONLY when the posting has real, specific content for it — never emit a heading followed by filler/placeholder text (e.g. "commensurate with experience", "not specified", "N/A", "varies", "TBD") and never create Pay/Schedule/Benefits sections unless the posting actually states them. Prefer a few substantive sections over many thin ones. Output ONLY the HTML fragment — no /, no markdown code fences. We need to parse the job posting. Let's extract relevant sections: Job Title: Microanalytical Mass Spectrometry and Microscopy - Postdoctoral Researcher Location: Livermore, CA Reference #: REF8864K Job Code: PDS.1 Post-Dr Research Staff 1 Organization: Physical and Life Sciences Position Type: Post Doctoral Security Clearance: Anticipated DOE Q clearance (requires U.S. citizenship and a federal background investigation) Drug Test: Required for external applicant(s) selected for this position (includes testing for use of marijuana) Medical Exam: Not applicable Company Description: (some generic about LLNL) but we need to preserve substantive info. Might be considered boilerplate? It's about LLNL mission etc. Might be considered not specific to role? It's generic but maybe we keep as part of "About the role"? The instruction: "Preserve ALL substantive information; do NOT invent or summarize away detail." So we need to keep company description if it's substantive. However we also need to remove cookie/navigation/legal/EEO/equal-opportunity/scam-warning boilerplate, duplicated lines, and application instructions. The company description is not those. So we can include it. Job Description: paragraphs about duties. Qualifications: list. Qualifications We Desire: list. Pay Range: $123,048 Annually (lowest to highest salary we in good faith believe we would pay for this role at the time of this posting.) Additional Information: 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) Our values - visit https://www.llnl.gov/inclusion/our-values 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. We need to decide sections. We have: - About the role: could include company description and job description overview. - Responsibilities: list of duties from "You will ..." bullet list. - Requirements: maybe qualifications (mandatory) list. - Qualifications: maybe "Qualifications We Desire" list. - Skills: maybe combine programming experience etc? But we have qualifications already. - Benefits: we have "Flexible Benefits Package 401(k) Relocation Assistance Education Reimbursement Program Flexible schedules". Also "Included in 2026 Best Places to Work by Glassdoor!" That's a benefit? Could be considered benefits. - Pay: we have Pay Range $123,048 Annually. - Schedule: maybe "Full-time" and "Flexible schedules (*depending on project needs)". Also "This position requires full-time on-site presence due to the nature of the work." So schedule info. We need to ensure we don't create sections with placeholder text. All sections have real content. We must not repeat job title as heading. So we will not have heading for title. We must not put Job ID/requisition numbers as headings; we can fold minor metadata into a short

  or drop it. Probably we can include reference # and job code in a short paragraph under About the role or maybe at top as a

  . Since it's minor metadata, we can include in a

  . We must remove duplicated lines, application instructions (Apply Now, Share this job, etc). Also remove cookie/navigation/legal/EEO etc. The sections about Security Clearance, Drug Test, Wireless and Medical Devices might be considered legal/boilerplate? They are specific to role (clearance required). They are substantive. Should we keep? The instruction: remove cookie/navigation/legal/EEO/equal-opportunity/scam-warning boilerplate. Security clearance info is not exactly EEO but it's a requirement. It's likely substantive. We'll keep it maybe under Requirements or a separate section like "Security Requirements". But we only have allowed headings list; we could put under Requirements or Qualifications. However we have separate sections for Requirements and Qualifications. Could include security clearance under Requirements. Similarly drug test info maybe under Requirements. Wireless and Medical Devices maybe under Requirements or a note. We need to preserve ALL substantive information; we cannot drop security clearance etc. Thus we need to incorporate those details somewhere. Let's structure:

  About the role

  Company description paragraph(s). Also include reference # and job code maybe.

  Responsibilities

  • ...

  Requirements

  • Ability to secure and maintain a U.S. DOE Q-level security clearance, which requires U.S. Citizenship.
  • PhD in analytical chemistry, geochemistry, materials science, or related field.
  • Experience with microanalysis methods, such as SIMS, SEM, EDS and TEM.
  • Strong foundation in mass spectrometry principles.
  • Ability to develop independent research projects as demonstrated through peer-reviewed publications.
  • Programming experience in Python or similar environments for data analysis, visualization and/or automation.
  • Innovative experimental skills with experience in experimental design, technique development, and execution.
  • Capability to work independently and collaboratively in multidisciplinary research environments.
  • Proficient written and verbal communication skills for delivering presentations, preparing publications and writing technical reports.
  • Pre-employment drug test required (includes testing for use of marijuana).
  • Wireless device restrictions in Limited Areas per DOE (no personal/lab mobile devices; medical devices must follow rules).
  But we need to avoid duplication: some of these also appear in Qualifications We Desire. We'll separate.

  Qualifications

  • Experience with correlative microanalytical techniques and/or multi-modal imaging approaches.
  • Knowledge of nuclear forensics concepts, material production processes and/or nuclear fuel cycle science.
  We could also include "Skills" but we already have programming etc in Requirements. Maybe we can have Skills separate: but we have limited headings; we could put skills under Requirements or Qualifications. The instruction: Prefer a few substantive sections over many thin ones. So maybe combine Requirements and Qualifications into one? But we have both sections available; we can keep them if they have substantive content. We'll keep Requirements (mandatory) and Qualifications (desired). That's two sections. Now Benefits: we have Flexible Benefits Package, 401(k), Relocation Assistance, Education Reimbursement Program, Flexible schedules (*depending on project needs), Also "Included in 2026 Best Places to Work by Glassdoor!" Could be considered a benefit. We'll make Benefits section. Pay: we have Pay Range $123,048 Annually (lowest to highest salary we in good faith believe we would pay for this role at the time of this posting.) That's a specific number; we can include Pay section. Schedule: we have "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." That's more about appointment length, not schedule. Also "Full-time" and "Flexible schedules (*depending on project needs)" and "This position requires full-time on-site presence due to the nature of the work." So schedule info: Full-time, on-site required, flexible schedules depending on project needs. We'll put Schedule section. Now we need to ensure we don't create sections with placeholder text. All have real content. Now we need to remove duplicated lines: The posting had duplicate "Qualifications" heading twice; we already separated. Now we need to output only HTML fragment. Let's craft. We'll start with a

  for metadata: Reference #: REF8864K, Job Code: PDS.1 Post-Dr Research Staff 1, Organization: Physical and Life Sciences, Position Type: Post Doctoral, Location: Livermore, CA, Date: 09/21/2026 maybe. But we can keep as short paragraph. But the instruction: "Do NOT put Job ID / requisition numbers as headings — fold minor metadata into a short

  or drop it." So we can include them in a

  . Now About the role: include company description paragraph(s). The 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." That's substantive. We'll also include maybe the Job Description overview: "We are seeking a Postdoctoral Researcher to develop novel, correlative microanalytical techniques for forensic characterization of nuclear materials, with a focus on developing approaches for nuclear materials characterization across a range of spatial scales. This position leverages LLNL’s state-of-the-art suite of secondary ion mass spectrometry (SIMS), electron microscopy and other complementary instruments to build upon previous research investigating lateral mixing quantification, age dating, and correlative image fusion methodologies. This position is in the Trace Isotope and Element Signatures group of the Nuclear and Chemical Sciences Division. This position requires full-time on-site presence due to the nature of