Jobs in United States

Systems Administrator in United States

4,985 active opportunities · Updated October 2026

Explore current systems administrator jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

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📍 Berkeley, Macau S.a.r., United States
✓ Quality checkedCompany trend -20.1%

Senior Offensive Cybersecurity Test Analyst Company: The Boeing Company The Boeing Company is seeking a Senior Offensive Cybersecurity Test Analyst to support the Boeing Test & Evaluation (BT&E) cyber test capability. The selected applicant will join a highly technical Test & Evaluation team building an offensive cyber test capability in Berkeley, MO . This position will be providing testing services to Boeing Defense Space & Security (BDS) portfolio. The primary responsibilities will include Product Security (Cyber) test planning, integration, and execution, mission-based risk assessments, vulnerability assessments, and penetration tests. The selected applicant will become a Berkeley team member trained across the broader BT&E Product Security Capability team. Position Responsibilities: Lead execution of penetration tests to identify, exploit, and assess a target system’s vulnerabilities in a threat-representative manner on embedded systems and IP-based networks Subject Matter Expert for emulating advanced cyber adversary (advanced persistent threats) tactics, techniques and procedures (TTPs) Lead controlled attack simulations that test the effectiveness of a blue team and its capabilities to detect, block, and mitigate attacks and breaches</span

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📍 Texas, United States of America, United States
✓ High-confidence listingCompany trend -5.2%

$116.2K – $182.4K/yr

Quick readStrong listing-quality and freshness signals

Firmware Engineer BIOS/UEFI Description - The Firmware Engineer is responsible for ensuring that embedded firmware meets the highest standards of quality, robustness, and long‑term reliability. This role works closely with firmware developers, hardware engineers, architecture teams, QA, and cross‑functional partners to define quality metrics, validate system behavior, improve defect detection, and build processes that prevent regressions. Responsibilities Develop, execute, and maintain comprehensive firmware test plans, including functional, regression, stress, corner-case, and long-duration reliability tests. • • • Evaluates the firmware architecture, design and development plus testing methodologies to create strategy and implement methods to bring increased quality and reliability to the firmware. Reviews firmware code and test plans including functional, regression, stress, corner-case and long-duration reliability tests. Perform root-cause analysis for firmware defects, drive containment, corrective actions, and verification of fixes. Create and manage quality dashboards, KPI, failure rates, and reliability metrics. Evaluate failure modes exposed during design, development, manufacturing and field use; propose design or process improvements to prevent recurrence. Works with product architects, firmware teams, product managers and provides critical guidance, system-level debugging and troubleshooting to various teams, as a Subject Matter Expert. Reviews and evaluates designs and project activities for compliance with systems design and development guidelines and standards; provides tangible feedback to improve product quality and mitigate failure risk. Create and manage quality dashboards , KPIs, failure rates, and reliability metrics. Validate firmware integration with hardware, BIOS/UEFI, EC, micro

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📍 Irving Texas United States, United States
✓ Quality checkedCompany trend +800%

We are seeking a highly motivated and experienced Lead Java Developer to join our Credit Risk Technology team. This is a hands-on leadership role where you will be instrumental in designing, developing, and deploying robust, high-performance, and large-scale software solutions for Counterparty Credit Risk Management. You will be at the forefront of firm-wide initiatives, leveraging best-in-class software stacks and cutting-edge AI tools to solve complex challenges. You will lead a team of talented engineers, providing technical guidance, fostering innovation, and ensuring the delivery of high-quality, scalable, and resilient software. The ideal candidate is passionate about modern software development practices, proficient with contemporary tech stacks, and eager to utilize artificial intelligence to manage Citi’s exposure to financial institutions, governments, and corporates. This role offers the opportunity to make a significant impact by contributing to critical systems that provide an integrated view of trades, collateral, and market data from numerous sources. Key Responsibilities: Technical Leadership & Hands-On Development: Lead by example, actively contributing to the design, architecture, and hands-on development of critical software components for Counterparty Credit Risk Management leveraging AI tools such as Devin and Co-Pilot Drive technical excellence, ensuring best practices in coding, testing, and deployment are followed for high-performance and large-scale applications. Conduct code reviews, provide constructive feedback, and mentor team members in advanced development techniques. Team Leadership & Management: Supervise work of a team of software engineers Foster a collaborative, innovative, and inclusive team environment focused on tackling challenging firm-wide initiatives. Allocate resources effectively to meet project deadlines an

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📍 Kentucky, United States· Remote
✓ High-confidence listingCompany trend +310%
Quick readStrong listing-quality and freshness signals

Become a part of our caring community Become a valued member of Humana's Internal Review Team as a Grievances & Appeals Representative 2, where you will play a critical role in addressing client concerns and denials. You will perform thorough reviews of clinical documentation to assess whether grievances, appeals, or additional requests are justified. Then, you will provide final determinations utilizing your expertise and collaboration with clinical and other Humana teams. Your contributions will directly support Humana's commitment to delivering high-quality service and making a positive difference in the lives of those we serve. Must be passionate about contributing to an organization focused on continuously improving consumer experiences. Key Responsibilities: Assign cases to team members for submission to an independent entity for 2nd level review. Monitor and record the number of cases assigned to the team, as well as the distribution of cases among individual associates. Operate within established guidelines to maintain work expectations and quality standards, while exercising discretion in prioritizing tasks and managing timelines with minimal supervision. Demonstrate flexibility and resilience in adapting to evolving processes and a fast-paced work environment. Use your skills to make an impact Required Qualifications Minimum of 1 year of customer service experience Minimum of 1 year of data entry experience Experience in a production-driven environment Must have strong experience using multiple Microsoft systems simultaneously (Teams, SharePoint, Excel, etc.) Ability to manage large volume on inventory daily Preferred Qualifications Previous inbound call center or related customer service experi

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Relocation support. Relocation assistance is stated. This does not establish visa sponsorship.
📍 New York, Pearl River, United States
✓ High-confidence listingCompany trend +68.8%

$106K – $176.6K/yr

Quick readStrong listing-quality and freshness signals

ROLE SUMMARY This laboratory-based leadership role will lead upstream process development for both mammalian cell culture and microbial fermentation platforms within Vaccines Early Bioprocess Development (EBPD). The incumbent will provide scientific and people leadership for the design, planning, execution, and interpretation of experiments supporting recombinant protein and vaccine antigen production. The role requires strong expertise in upstream process development, including host and cell-line evaluation, media and feed optimization, bioreactor process development, and integration of product yield and quality considerations. The successful candidate is expected to bring deep expertise in at least one platform, mammalian cell culture or microbial fermentation, together with demonstrated knowledge of and ability to lead programs across the other platform. Responsibilities include application of high-throughput and scale-down models, Design of Experiments (DOE), process characterization and modeling, scale-up, technology transfer, and development of processes suitable for good manufacturing practice (GMP) manufacture. Experience with automated and conventional bioreactor systems, such as ambr, stirred-tank bioreactors, and rocking-motion bioreactors, is highly valued. The role requires rigorous documentation, clear communication of data and recommendations, effective cross-functional collaboration, and a proven record of scientific and team leadership. ROLE RESPONSIBILITIES · Provide scientific and people leadership for the upstream process development workstream spanning mammalian cell culture and microbial fermentation within the Vaccines EBPD Process Development group. · Lead the design, prioritization, execution, documentation, and communication of complex studies to improve cell growth, recombinant protein expression, prod

AIRecruitment
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📍 Santa Clara, United States
✓ Quality checkedCompany trend -13.7%

NVIDIA is a global leader in high-speed computer vision, artificial intelligence (AI), and deep learning. Our team develops data engineering solutions that empower AI developers in autonomous vehicle (AV) domains to innovate quickly and effectively at scale. Are you ready to take on a senior technical role in building high-performance AI data pipelines? We seek an exceptional individual to design and optimize microservices and data pipelines to process massive volumes of AV data and enable seamless data mining and AI training. The ideal candidate will bring expertise in big data processing and distributed computing to create efficient solutions and overarching architectures for challenges such as video data curation, behavioral search, and AI dataset management. What you'll be doing: Scope and build tools, microservices, workflows, and distributed applications to accelerate data mining and AI training. Design and implement solutions for streaming, resilience, logging, security, authentication, workflow orchestration, and data management. Deploy AI models. Design and develop Retrieval-Augmented Generation (RAG) workflows enabling hybrid and agentic patterns. Analyze and operationalize complex distributed systems for speed-of-light performance. What we need to see: Experience developing high-performance, scalable software systems. MS with 6&#43; years, or BS (or equivalent experience) with 8&#43; years of relevant experience in Computer Science, Computer Engineering, or a related technical field. Strong programming skills in Python or Golang Proficiency in key technologies like Kubernetes, Helm, Hive, Parquet, SQL, vector databases, e.g., Milvus. Strong architectural skills with a proactive, problem-solving mentality. Experience in data mi

PythonSQLKubernetesArtificial Intelligence
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📍 Santa Clara, United States
✓ Quality checkedCompany trend -13.7%

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It's a unique legacy of innovation that's fueled by great technology and amazing people. Today, we're harnessing the boundless possibilities of AI to build the next era of computing. An era in which our GPU acts as the brain of computers, robots, and self-driving cars that can understand the world. Accomplishing unprecedented goals calls for imagination, inventiveness, and exceptional talent from around the world. As a NVIDIAN, you'll be immersed in a diverse, encouraging environment where everyone is inspired to do their best work. Join our team and discover how you can build a lasting impact on the world. NVIDIA's Silicon Co-Design Group (SCG) leads the full product development lifecycle, from early architecture definition through silicon bringup to product release. The ArchDev team is the hub for silicon and system-level feature development, driving tradeoff analysis, system integration, and POR alignment across the entire organization. This is where ideas become chips, and chips become products that define the state of the art — and we're building that future with some of the most motivated engineers in the industry. We're looking for a Senior Memory Systems Engineer to own HBM and LPDDR integration in sophisticated SoCs. This role covers the full stack, including silicon, package, embedded software, testing, and product development. The engineer will resolve the toughest system-level memory challenges throughout the process, building solutions that hold up at scale. What you'll be doing: HBM & LPDDR System Integration and Bringup: Drive HBM and LPDDR system integration, bringup, characterization, and debug for next-generation SoCs — taking memory subsystems through the full arc from first silicon to production-ready at scale. Full-Stack Memory Closure: <s

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📍 Minnesota, United States of America, United States
✓ Quality checkedCompany trend -7.1%

We anticipate the application window for this opening will close on - 30 Sep 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72&#43; million patients each year. Your unique talents will help shape the future of healthcare while building a career grounded in purpose, growth, and impact. A Day in the Life Principal Software Engineer Careers That Change Lives At Medtronic, we push the limits of technology to make tomorrow better than today, which makes it an exciting and rewarding place to work. We value what makes you unique. Be a part of a company that thinks differently to solve problems, make progress, and deliver meaningful innovations. As a Principal Software Engineer, you will be part of our Device Embedded Systems team responsible for designing, developing and verifying embedded software applications used in implantable cardiac medical devices. Your entrepreneurial mindset and technical skills will be used, creating solutions that meet business needs and optimizing customer experience directly impacting the organization and affecting the lives of millions. We are looking for highly motivated and self-starting strong software engineers looking forward to innovating in a fun and fast paced environment with a passion to improve people’s quality of life. The individual will operate in all phases and contribute to all activities of the software development process. The ideal candidate is a software engineer with full software development lifecycle knowledge, understanding of embedded design, development and verification testing, and e

RecruitmentHRCRM
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📍 Florida, United States of America, United States
✓ Quality checkedCompany trend -7.1%

We anticipate the application window for this opening will close on - 3 Oct 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72&#43; million patients each year. Your unique talents will help shape the future of healthcare while building a career grounded in purpose, growth, and impact. A Day in the Life As one of three comprehensive portfolios at Medtronic, Neuroscience is dedicated to improving the lives of people living with neurological disorders, spine conditions, and chronic pain. Guided by our Mission—to alleviate pain, restore health, and extend life—we develop technologies and therapies that help people regain function, reduce pain, and return to the activities that matter most. Our ENT operating unit provides innovative technologies for sinus, otology, neurotology, head & neck, skull base, and airway care. With advanced instruments, image-guided systems, and implants, we enhance precision, safety, and efficiency, supporting clinicians with education and clinical guidance to improve patient outcomes. Check us out on LinkedIn: Medtronic ENT Medtronic’s ENT Operating Unit is dedicated to advancing surgical care through innovative technologies that enhance precision, efficiency, and patient outcomes. With a comprehensive portfolio that includes the StealthStation™ ENT Navigation System, M4 & M5 Microdebriders, and NIM™ Nerve Monitoring Systems, we empower surgeons with cutting-edge tool

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📍 Michigan, United States of America, United States
✓ Quality checkedCompany trend -7.1%

We anticipate the application window for this opening will close on - 30 Sep 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72&#43; million patients each year. Your unique talents will help shape the future of healthcare while building a career grounded in purpose, growth, and impact. A Day in the Life We are seeking a committed professional to join our team. While this is a remote position not located at a physical Medtronic site, the candidate hired will be required to reside within the territory and drive to multiple accounts throughout the region. A valid driver's license is essential for this role. Our Neuromodulation Operating Unit provides advanced therapies for chronic pain, movement disorders, and other neurological conditions. Through spinal cord stimulation, deep brain stimulation, and targeted drug delivery systems, we deliver personalized treatments that restore function, reduce symptoms, and improve quality of life worldwide. Check us out on LinkedIn: Medtronic Brain Modulation and Pain Interventions At Medtronic, the Clinical Specialist, supports the Neuromodulation Pain and Target Drug Delivery Therapies in the areas of surgical coverage, follow-up support, troubleshooting, customer service and education. This person will be engaged in basic market de

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📍 New Jersey, United States of America, United States
✓ Quality checkedCompany trend -7.1%

We anticipate the application window for this opening will close on - 30 Sep 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72&#43; million patients each year. Your unique talents will help shape the future of healthcare while building a career grounded in purpose, growth, and impact. A Day in the Life Job Specific Summary We are seeking a committed professional to join our team. While this is a remote position not located at a physical Medtronic site, the candidate hired will be required to reside within the territory and drive to multiple accounts throughout the region. A valid driver's license is essential for this role. Our Neuromodulation Operating Unit provides advanced therapies for chronic pain, movement disorders, and other neurological conditions. Through spinal cord stimulation, deep brain stimulation, and targeted drug delivery systems, we deliver personalized treatments that restore function, reduce symptoms, and improve quality of life worldwide. Check us out on LinkedIn: Medtronic Brain Modulation and Pain Interventions At Medtronic, the Clinical Specialist, supports the Neuromodulation Pain and Target Drug Delivery Therapies in the areas of surgical coverage, follow-up support, troubleshooting, customer service and education. This person will be en

ExcelRecruitmentHRCustomer Service
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📍 Colorado, United States of America, United States
✓ Quality checkedCompany trend -7.1%

We anticipate the application window for this opening will close on - 30 Sep 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72&#43; million patients each year. Your unique talents will help shape the future of healthcare while building a career grounded in purpose, growth, and impact. A Day in the Life The Acute Care & Monitoring (ACM) business develops technologies that help clinicians monitor, assess, and manage patients across the continuum of care. This role supports ACM’s airway management portfolio, a product area focused on technologies used in acute care environments including operating rooms, intensive care units, and emergency departments. The engineering team partners across software, hardware, mechanical, systems, clinical, and quality functions to develop and sustain medical technologies that improve patient care and clinician workflows. This position is based in Lafayette, Colorado and is an onsite role. Limited travel may be required to support collaboration, testing activities, and business needs. As an Embedded Software Engineer II, you will develop embedded software solutions for medical devices used in airway management applications. This role combines software design, embedded systems development, hardware integration, testing, and technical documentation to support new product development and lifecycle engineering activities. You will collaborate with cross-functional teams to develop reliable software that meets product, quality, and regulatory requirements. Primary Responsibilities <li

PythonLinuxRecruitmentHR
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📍 Colorado, United States of America, United States
✓ Quality checkedCompany trend -7.1%

We anticipate the application window for this opening will close on - 30 Sep 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72&#43; million patients each year. Your unique talents will help shape the future of healthcare while building a career grounded in purpose, growth, and impact. A Day in the Life The Acute Care & Monitoring (ACM) business develops technologies that help clinicians monitor, assess, and manage patients across the continuum of care. Within ACM, the Test Engineering function supports product development, verification, reliability, and manufacturing readiness through the design and execution of test methods, fixtures, and equipment used to evaluate product performance and system functionality. This team partners closely with systems, mechanical, electrical, software, quality, and manufacturing engineering teams to support the development and sustainment of medical technologies. This position is based in Lafayette, Colorado and is an onsite role. Travel up to 10% may be required to support testing activities, cross-functional collaboration, and business needs. As a Mechanical R&D Engineer II, you will support system-level, reliability, mechanical, and electrical testing activities for Acute Care & Monitoring products. This role combines hands-on laboratory testing, fixture development, data analysis, and cross-functional collaboration to evaluate product performance, investigate issues, and support verification activities throughout the product lifecycle. Primary Responsibilities <li

PythonRecruitmentHR
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📍 District Of Columbia, United States of America, United States
✓ Quality checkedCompany trend -7.1%

We anticipate the application window for this opening will close on - 30 Sep 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore health, and extend life. Our 95,000 employees work across more than 150 countries to put patients first — developing innovative medical technologies that improve the lives of 72&#43; million patients each year. Your unique talents will help shape the future of healthcare while building a career grounded in purpose, growth, and impact. A Day in the Life We are seeking a committed professional to join our team. While this is a remote position not located at a physical Medtronic site, the candidate hired will be required to reside within the territory and drive to multiple accounts throughout the region. A valid driver's license is essential for this role. As one of three comprehensive portfolios at Medtronic, Neuroscience is dedicated to improving the lives of people living with neurological disorders, spine conditions, and chronic pain. Guided by our Mission—to alleviate pain, restore health, and extend life—we develop technologies and therapies that help people regain function, reduce pain, and return to the activities that matter most. Our Cranial & Spinal Technologies (CST) Operating Unit develops and delivers an integrated ecosystem of spinal implants, navigation and robotic guidance systems, advanced imaging, and data-driven planning tools for complex spine and cranial procedures. Platforms such as AiBLE™ connect these technologies to enhance surgical precision, streamline workflows, and support improved patient outcomes across the globe. Check us out on LinkedIn: <a target="_blank" href="https://www.linkedin.com/company/medtronic-brain-and-spine-therapies/posts/

RecruitmentHR
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📍 California, Virtual Address, United States
✓ Quality checkedCompany trend +364.7%

Work Flexibility: Field-based Overview As a Clinical Specialist at Stryker, you will help improve orthopedic surgeries around the world and play a direct role in our mission of making healthcare better. In this role, you will build deep clinical and technical expertise across both robotic (Mako SmartRobotics™) and manual orthopedic procedures. You will support surgeons in the operating room by assisting with pre-operative planning, case preparation, system setup, and real-time procedural workflows to ensure safe, accurate, and efficient outcomes. You will gain hands-on experience working with Mako technology—including CT-based planning, implant sizing, registration, and intra-operative support—while also developing strong competency in manual procedures, instrumentation, and OR protocols. Through shadowing experienced team members, supporting product demonstrations, and participating in labs and education programs, you will learn the systems, processes, and best practices that define world-class clinical support. This role requires adaptability, steady composure, and strong problem-solving in a fast-paced surgical environment. Because patients’ needs don’t follow business hours, you will also participate in on-call coverage, including evenings, weekends, and holidays, to ensure uninterrupted support for urgent cases and time-sensitive customer needs. What You Will Do Gain competency in solo case coverage for manual and robotic procedures through hands-on training. Assist surgeons with pre-operative CT-based planning, implant sizing, and positioning using advanced software. Support full case preparation, including instrumentation checks, equipment setup, and OR readiness. Troubleshoot technical issues confidently and efficiently in the operating room. Learn and supp

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