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Prime Staffing is seeking a travel Nuclear Medicine Technologist for a travel job in San Francisco, California. Job Description & Requirements • Specialty: Nuclear Medicine Technologist, • Discipline: Allied Health Professional, • Start Date: 05/26/2026, • Duration: 26 weeks, • 40 hours per week, • Shift: 8 hours Prime Staffing Job ID #36674571. Pay package is based on 8 hour shifts and 40.0 hours per week (subject to confirmation) with tax-free stipend amount to be determined. Posted job title: Allied / Tech:Nuclear Med Tech,08:00:00-16:00:00 About Prime Staffing At Prime Staffing, we understand the importance of finding the perfect fit for both our clients and candidates. Prime Staffing utilizes a unique matchmaking approach, providing the most qualified contingent staffing to our clients, and the most competitive contracts to our workforce. Our experienced team takes the time to get to know both our clients and candidates, their needs, and preferences, to ensure that each placement is a success. We offer a wide range of staffing services including temporary, temp-to-perm, and direct hire placements. Our extensive network of qualified candidates includes nurses, allied healthcare professionals, corporate support professionals and executives.

Job DescriptionE11 Bio is on a mission to advance connectomics towards whole brain scale for humans and other mammals. We are a collaborative and interdisciplinary team of scientists and engineers engaged in a neuroscience moonshot project to develop a radical technology platform for scalable mammalian brain mapping. E11 Bio is a non-profit Convergent Research focused research organization located in Alameda, California, pursuing blue-skies neuroscience research yet operating like a nimble, tight-knit start-up. Read our technology roadmap. High quality tissue samples are the foundation of our science. We are seeking a hands-on in vivo senior technician to take full ownership of our animal perfusions and in vivo workflows. This role is responsible for executing and continuously improving perfusion, fixation, and injection protocols, including preparation of perfusates and active troubleshooting of tissue-quality issues. Working closely with experimental scientists, this person will help design, execute, and debug in vivo labeling experiments, and will play a central role in ensuring the reliability and reproducibility of tissue used for our mission to map the mouse brain.Responsibilities • Take ownership of all animal perfusions, including preparation of perfusates, execution of procedures, troubleshooting tissue-quality issues, and continuous improvement of fixation protocols., • Execute and support in vivo surgical workflows, including stereotaxic and retro-orbital viral injections, post-operative monitoring, and animal welfare documentation., • Apply scientific training to monitor, control, and systematically optimize key in vivo and perfusion parameters for tissue labeling + preservation., • Collaborate closely with experimental scientists to design, execute, and troubleshoot in vivo labeling experiments, contributing technical judgment and experimental insight., • Perform routine animal health checks and husbandry tasks as needed, with attention to health or behavioral changes that may impact experimental outcomes., • Maintain accurate experimental records, reproducible protocols, and operational readiness of perfusion and surgical equipment., • Contribute to a positive, collaborative lab culture and run small, focused experimental projects.Required Qualifications, • Hands-on experience performing animal perfusions using PFA or related fixatives for neuroscience or brain tissue applications, with the ability to produce consistent, high-quality tissue., • Demonstrated ability to quickly learn, independently own, and optimize complex biological workflows, including diagnosing and resolving tissue-quality or protocol failures., • Experience with rodent handling, restraint, and basic health assessment in a research setting., • Strong record of reliability, precision, and careful experimental documentation., • Clear communication skills and a proven ability to collaborate effectively within interdisciplinary research teams.Preferred Qualifications, • Mechanical or technical aptitude for maintaining, adjusting, or troubleshooting perfusion rigs, surgical setups, and related laboratory hardware., • Experience with in vivo surgical techniques such as stereotaxic or retro-orbital viral injections (or strong interest and aptitude to train into these methods)., • Familiarity with downstream histology, imaging, or molecular tissue workflows., • Interest in neuroscience and connectomics, with motivation to contribute to technically demanding, high-impact research.In the first 3 months…, • By 1 month: You will have taken on core colony management at E11 (breeding, weaning, genotyping workflows, health checks, record keeping), completed training in stereotaxic and retro-orbital injections, and be learning and performing perfusions at our baseline quality level under supervision., • After 2 months: You will be independently performing perfusions and generating consistent, high-quality tissue. You will be running routine surgeries with good survival and recovery, and managing the colony reliably end-to-end., • After 3 months: You will be piloting controlled perturbations to the perfusion workflow—adjusting pressure, flow, temperature, perfusate composition, cannula/needle configurations—and documenting QC outcomes to improve ultrastructure, RNA retention, and protein preservation., • After 1 year: You will own and direct execution and scheduling of perfusions at E11. You will be routinely producing well QCed tissue .We offer:, • An opportunity to help change the world and work with some of the most talented and collaborative experts across scientific fields., • An opportunity to gain experience on a field-defining moonshot effort., • Excellent medical, dental, and vision insurance through a PPO plan; parental leave., • Generous time off + paid holidays., • 401K matching up to 6% of base salary, • Ample healthy and energizing food including daily lunches.

Job Description About Nudge At Nudge, our mission is to develop the best technology for interfacing with the brain to improve people's lives. We're starting with an approach that we believe can help the most people the fastest, and also allow us to learn as much about the brain as possible: developing a non-invasive, ultrasound-based device that can stimulate and image the brain at high resolution and depth. This is a vertically integrated effort building cutting-edge hardware, software, and research capabilities to create products that can benefit millions — and eventually billions — of people. To succeed, we need to assemble world-class teams across everything we do. We hire people who are exceptional at their craft, believe hard things are worth doing, and execute relentlessly — people who expect the highest levels of both rigor and integrity from each other. About the role We’re looking for a Lab Technician to support the execution of preclinical experiments at Nudge, focused on understanding the effects and mechanisms of focused ultrasound on the brain. You’ll work alongside our research scientists across in vivo and in vitro work — handling animals, maintaining cell cultures, building and preparing experimental setups, processing tissue, collecting data, and ensuring experiments run smoothly. As a Lab Technician at Nudge, you will: * Handle rodents (mice and rats) for experimental procedures in compliance with protocols * Assist with in vivo procedures including animal preparation, positioning, anesthesia monitoring, and ultrasound delivery * Assist with rodent perfusions, brain extraction, and tissue collection for downstream histological and molecular analysis * Assist with tissue processing, embedding, sectioning, and basic staining (H&E, IHC) * Maintain and support in vitro cell culture experiments, including plating, passaging, treatment application, and cell-based assays * Design and build custom tools to support experimental setups and improve workflow efficiency About you * 1+ years of hands-on experience working in a preclinical or animal research laboratory * Experience handling rodents (mice and/or rats) and familiarity with basic in vivo techniques (dosing, anesthesia, perfusion, tissue harvest) * Familiarity with sterile cell culture technique * Comfortable building things with your hands — fabricating simple fixtures, adapting equipment, and solving practical problems in the lab * Bachelor’s degree in biology, neuroscience, or a related field preferred * High integrity and strong professional judgment

This position requires a motivated, organized person that can communicate and coordinate well with others and has an interest in cutting edge systems neuroscience and physiology (especially in gut brain communication). The applicant will need previous academic research laboratory experience beyond coursework, preferably in neuroscience or related fields. The applicant must be comfortable handling and manipulating rodents. The main roles of this position will be to run rodent behavioral experiments in a systems neuroscience laboratory (neural recordings, neural manipulations, intestinal recordings etc), help with data analysis, perform basic molecular biology, and processing tissue for histology. Training on specific assays and equipment will be provided. Assistance with experiments will be coordinated and in collaboration with the supervisor, with opportunities to develop the applicant's own individual project. 60 Yes Mouse handling, and collection of experimental behavioral/neural data (photometry recordings, optogenetic/chemogenetic behavioral experiments, electrophysiology recordings, real-time fluoroscopy, other behavioral assays) 20 Yes Processingand analysis of neural and behavioraldata (using MATLAB and Python) 20 YesPerform tissue processing and histology of brain and peripheral samples (transcardial perfusion, tissue sectioning and mounting, immunohistochemistry, in situ hybridization, microscopy image acquisition) • SRA I: BA/BS in a related science and knowledge of, or experience with, the basic techniques or methods required by the position; or an equivalent combination of education and experience., • Basic related scientific techniques and procedures as learned from research laboratory experience., • Excellent organizational and interpersonal skills required., • Maintenance of accurate, complete, and legible records, • Ability to work independently or with close supervision, • Ability to work in-person on a daily basis, • Ability to handle and manipulate mice routinely, • Eagerness to learn new techniques, • SRA II: In addition to the above, one or more years of recent, directly related work experience following degree completion, utilizing the techniques or methods required by the position; or an equivalent combination of education and experience., • SRA I: BA/BS in a related science and knowledge of, or experience with, the basic techniques or methods required by the position; or an equivalent combination of education and experience., • Basic related scientific techniques and procedures as learned from research laboratory experience., • Excellent organizational and interpersonal skills required., • Maintenance of accurate, complete, and legible records, • Ability to work independently or with close supervision, • Ability to work in-person on a daily basis, • Ability to handle and manipulate mice routinely, • Eagerness to learn new techniques, • SRA II: In addition to the above, one or more years of recent, directly related work experience following degree completion, utilizing the techniques or methods required by the position; or an equivalent combination of education and experience.

Job DescriptionDescription: Posterity Group LLC is a veteran owned, service-disabled small business, headquartered in Rockville, MD, that specializes in federal government contracting and staffing. We are tasked with staffing the San Francisco VA Healthcare System with 2 FTE Board Certified Perfusionists. The Perfusionist is expected to perform the following: • All Perfusionists shall assist the Cardio-Thoracic service with by-pass surgical cases and valve replacement of various types., • Shall perform onsite Perfusion Services in the treatment of care for eligible veteran beneficiaries as referred and authorized by the VA., • The Perfusionists are responsible for preparation, and operation of the heart and lung machines/pumps in conjunction with maintaining a sterile environment for procedures maintaining blood volume in the patients preventing shock or air embolus., • Assemble supplies and equipment in preparation to accept patient on extra corporeal circulation in cases of premature cardiac arrest or failure., • Other services include preparation, maintenance and operation of VA owned equipment to include the heart lung machine, auto transfusion pump, intra-aortic balloon pump and centrifugal ventricular assist device. Requirements: • At least a minimum of ten (10) years of experience, • All Perfusionists shall be a graduate of an accredited Allied Health Education Program School of Perfusion Technology, • Shall be certified by the American Board of Cardiovascular Perfusion, • Demonstrate evidence of meeting continuing education requirements and shall have performed a minimum of 1000 clinical cases., • Experience shall be demonstrated in the following areas: Open heart surgery, autotransfusion, heart lung machine, membrane oxygenation, left/right heart bypass, intra-aortic balloon pumping and centrifugal ventricular assist device., • Valid BLS

Job DescriptionOverview Ansible Government Solutions, LLC (Ansible) is currently recruiting multiple Cardiac Perfusionist to support the San Francisco Veterans Affairs Health Care System located at 4150 Clement Street, San Francisco, CA 94121. The work schedule is expected to be Monday-Friday, 8:00am-4:30pm with on call. If you accept employment with Ansible, you must also acknowledge that any assigned schedule is subject to change at the direction of either Ansible or its customers. Ansible is a Service-Disabled Veteran-Owned Small Business (SDVOSB) providing Federal customers with solutions in many arenas. Our customers face wide-ranging challenges in the fields of health care, national security, and information technology. To address these challenges, we employ intelligent and committed staff who take care of our customers’ success as if it is their own. Responsibilities • Provide on‑site perfusion services for cardiac and cardiothoracic surgical procedures, including bypass and valve replacement surgeries, • Operate and manage heart‑lung machines, ECMO, intra‑aortic balloon pumps, centrifugal ventricular assist devices, and autotransfusion equipment, • Maintain sterile environments and manage blood volume to prevent complications such as shock or air embolism, • Perform autotransfusion services, including setup, operation, breakdown of equipment, and documentation of transfused blood volumes, • Review patient records in the VA Electronic Health Record (EHR) prior to procedures and document treatment plans and outcomes within required timeframes, • Provide on‑call coverage, including nights, weekends, and holidays, with required response times when medically indicated, • Accurately document all care in the VA EHR in accordance with VA policy and professional standards, • Complete required transfusion records (e.g., SF‑518 forms) and ensure proper record retention, • Participate in quality assurance, peer review, OPPE/FPPE, and quality improvement activities, • Comply with all VA privacy, HIPAA, infection control, and patient safety requirements, • Maintain required credentials, certifications, and training throughout the contract period, • Participate in mandatory VA training (privacy, information security, workplace conduct, etc.), • Coordinate coverage to ensure continuity of care, including providing qualified replacements when needed, • Submit required timekeeping, procedure logs, and performance reports as outlined in the contractQualifications, • Active, full, and unrestricted license in any U.S. state or territory., • Board Certification by the American Board of Cardiovascular Perfusion (ABCP)., • Graduate of an accredited School of Perfusion Technology., • Minimum 10 years of experience as a perfusionist., • At least 1,000 documented clinical perfusion cases., • Demonstrated experience with:, • Open‑heart surgery, • Autotransfusion, • Heart‑lung machines, • ECMO, • Intra‑aortic balloon pumps, • Ventricular assist devices, • Maintain active AHA BLS, • Sit, stand, walk, lift, squat, bend, twist, and reach above shoulders during the work shift, • Lift up to 50 lbs from floor to waist, • Lift up to 20 lbs, • Carry up to 40 lbs a reasonable distance Powered by JazzHR FmwgxrwlOe

Job DescriptionAbout Becoming Becoming is building Developmental Intelligence: AI for predicting how organisms change over time. Development is intelligence in motion. Most experimental systems fail when metabolic demands become too high. We are building systems that don’t — combining engineered metabolic environments, longitudinal measurement, and predictive models to turn development into something that can be understood, tested, and controlled. This is frontier tech with real stakes. We value speed, rigor, integrity, and ownership. The Role We are hiring a Developmental & Stem Cell Biology to own and scale critical biological systems within Becoming’s platform. This is a high-agency, industry-caliber role. You will not be handed a task list. You will be expected to identify problems, propose solutions, and drive experiments from idea to impact. You will build and operate long-horizon developmental systems from stem and primary cells, integrate them with engineered environments, and generate data that directly informs platform decisions. You will work closely with scientists, engineers, and AI researchers, with increasing ownership as the platform scales. What You’ll Own • Design and execution of long-horizon developmental systems derived from stem and primary cells, • Day-to-day ownership of biological performance: stability, progression, and reproducibility, • Development of benchmarks and readouts for developmental state, patterning, and functional maturation, • Execution of contextual perturbations (signaling, nutrients, mechanics, metabolic conditions) and interpretation of outcomes, • Generation of clean, interpretable datasets suitable for modeling and decision-making, • Iteration on protocols and systems to improve robustness, scalability, and reliability, • Clear, direct communication of results, failures, and next steps across disciplines Who You Are You are someone who: • Operates with high agency — you take initiative and don’t wait to be told what to do, • Takes ownership of outcomes, not just experiments, • Brings high energy and momentum to ambitious scientific problems, • Acts with high integrity — you are honest about data, limitations, and uncertainty, • Communicates directly and clearly, especially when things aren’t working, • Is self-aware and receptive to sharing and receiving feedback, • Thinks like a systems integrator, connecting biology, environment, hardware, and data Required • PhD (or equivalent experience) in developmental biology, stem cell biology, or a related field, • At least 1 year of industry experience in tech, biotech, pharma, or a startup, with exposure to real-world timelines, cross-functional collaboration, and delivery expectations, • Strong hands-on experience with stem cell–derived early developmental systems and/or mammalian developmental processes, • Solid intuition for temporal dynamics and context-dependent biology, • Demonstrated ability to take loosely defined goals and turn them into executed, decision-relevant experiments, • Comfort making progress with incomplete information and iterating quickly Strong Signals • Experience with mouse developmental systems, lineage progression, or early tissue organization, • Prior work building or scaling new experimental systems, not just running established assays, • Exposure to long-term cultures, perfusion, or engineered microenvironments, • Competitive salary and meaningful equity, • Full benefits, • High-trust, high-ownership environment, • The opportunity to define a new scientific category from the ground up

Job DescriptionE11 Bio is a Focused Research Organization (FRO) with a long-term mission to make connectomics scalable and cost-effective for mammalian brains – first for mice and eventually for humans. We have recently developed PRISM, a platform technology for low cost optical connectomics. PRISM integrates advances in genetic cell barcoding, multiplexed expansion microscopy, and machine-learning based -based spatial reconstruction to solve key bottlenecks in data acquisition and analysis. PRISM will reduce the cost of connectomics 100-fold and thereby transform neuroscience, treatments for brain disorders, and neuro-inspired computing. E11 Bio is seeking a mission-aligned experimental scientist who is equally comfortable at the bench, the microscope, and with quantitative data analysis. This role is responsible for sample preparation end-to-end for high-quality connectomics, combining hands-on experimental work with quantitative image-based QC to diagnose failure modes and iteratively improve protocols. You will collaborate closely with molecular biology, imaging, and computational teams to ensure we consistently prepare high quality specimens and brain tissue to support our ambitious scaling goals towards whole-brain connectomics.Core Responsibilities • Ensure consistent end-to-end quality across our in vivo sample preparation pipeline. Collaborate with technicians, including viral delivery and animal perfusion, tissue processing, and overall readiness for imaging and molecular readouts, • Perform and troubleshoot stereotaxic injections and perfusions as needed to optimize our in vivo sample preparation pipeline and guide protocol improvements, • Routinely evaluate injection and perfusion outcomes (viral labeling, tissue quality, use for downstream work) through microscopy and image analysis, • Define, implement, and maintain sample quality rubrics (e.g. labeling density, barcode density) and ensure samples are scored consistently over time, • Develop and maintain image-based workflows to generate quantitative QC metrics based on partnership and feedback with wet lab and computational staff, • Design and perform experiments to improve sample quality when it is limiting for downstream applications, • Extend quality assessment to RNA integrity and molecular preservationRequired Qualifications, • Ph.D. in neuroscience, biology, bioengineering, or a related life-science or engineering field, or Ph.D.-equivalent working record, • 3–5 years of relevant research experience with a strong track record of end-to-end experimental ownership, • Demonstrated hands-on experience with in vivo sample preparation, including stereotaxic injections, perfusions, and tissue handling, • Experience acquiring and working with confocal and widefield microscopy data, • Experience developing or maintaining fit-for-purpose image-analysis workflows (e.g. Python scripts, Fiji macros, or equivalent) to support experimental iteration, • Strong organizational, documentation, and record-keeping practices and strong attention to reproducibility, • Excellent communication and collaboration skills, particularly across wet-lab, imaging, and computational teamsPreferred Qualifications, • Experience designing or applying quality control rubrics or scoring systems for biological samples or imaging data, • Familiarity with image-analysis pipelines for cell counting, morphology, spatial distributions, or intensity-based metrics, • Experience working in highly iterative or startup-like research environments and in work where roles span multiple technical domainsWe offer, • An opportunity to help change the world and work with a world-class interdisciplinary team of scientists and engineers on a field-defining moonshot, • Excellent medical, dental, and vision insurance through a PPO plan; parental leave., • Generous time off + paid holidays., • 401K matching up to 6% of base salary, • Ample healthy and energizing food including daily lunches.

Job Description About Nudge At Nudge, our mission is to develop the best technology for interfacing with the brain to improve people's lives. We're starting with an approach that we believe can help the most people the fastest, and also allow us to learn as much about the brain as possible: developing a non-invasive, ultrasound-based device that can stimulate and image the brain at high resolution and depth. This is a vertically integrated effort building cutting-edge hardware, software, and research capabilities to create products that can benefit millions — and eventually billions — of people. To succeed, we need to assemble world-class teams across everything we do. We hire people who are exceptional at their craft, believe hard things are worth doing, and execute relentlessly — people who expect the highest levels of both rigor and integrity from each other. About the role We’re looking for a Histotechnologist to own and execute histology workflows at Nudge, focused primarily on mouse and rat brain tissue. You’ll be responsible for building the full histology pipeline: perfusion, prosection, embedding, sectioning, staining, and imaging — across both traditional and cutting-edge techniques, to understand the mechanisms of ultrasonic neuromodulation. As a Histotechnologist at Nudge, you will: * Perform routine and advanced histological processing of rodent brain tissue, including perfusion, prosection, fixation, embedding (paraffin and OCT), and sectioning via microtome, cryostat, and vibratome * Execute standard histological stains (H&E, special stains) and immunohistochemistry using both manual and automated staining platforms * Operate and optimize tissue clearing platforms (electrophoretic, solvent-based) for whole-brain and thick-section imaging * Prepare cleared tissue for light sheet fluorescence microscopy and volumetric 3D imaging * Operate and maintain automated sectioning and tissue processing systems * Prepare and process samples for spatial omics platforms, including multiplexed protein imaging and spatial transcriptomics, with both RNA- and protein-based tagging approaches * Develop, optimize, and document SOPs for histological workflows, ensuring reproducibility and quality * Collaborate with research scientists to adapt tissue processing and staining strategies to specific experimental questions About you * 3+ years of hands-on experience in histotechnology, with significant time spent processing rodent brain tissue * Proficiency across core histological techniques: microtomy (paraffin, cryo, vibratome), tissue embedding, H&E staining, and immunohistochemistry * Experience with at least one tissue clearing method and associated imaging modalities (light sheet microscopy) * Familiarity with automated staining and sectioning platforms * HT(ASCP) certification or equivalent training; Bachelor’s degree in biology, neuroscience, or a related field preferred * High integrity and strong professional judgment

Scientist/Senior Scientist (Organ Perfusion). Will lead the design and operation of systems that integrate perfusion, physiology, sensing, actuation, and closed-loop control. Apply your expertise in organ perfusion, preservation, and viability assessment.

To achieve our goal, we are assembling an interdisciplinary team to develop perfusion systems, cryoprotectant formulations, and vitrification and rewarming hardware. You will apply your expertise in organ perfusion, preservation, viability assessment, and transplant to make successful large organ cr