Jobs in United States

Systems Administrator in United States

5,046 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.

B
📍 Colorado Springs, Colombia, United States
✓ Quality checkedCompany trend -10.8%

Human Engineer (Associate or Experienced) Company: The Boeing Company Are you ready to join a team of innovators, strategic disruptors, and dreamers who dare to redefine the future of the defense industry? Are you driven to create the unimaginable? Are you passionate about addressing human performance within the design and development of cutting-edge aerospace systems? Boeing Defense, Space & Security (BDS ) has an exciting opportunity for an associate or experienced Human Engineer to join our Human Engineering team in Colorado Spings, CO working on the front end of the next generation of Space Mission Systems technology. As a Human Factors Engineer, you will play a pivotal role in the design, development, and integration of complex aerospace systems, ensuring that all components function cohesively to meet user needs and operational requirements. You will collaborate with cross-functional teams, including systems engineers, software developers, and hardware specialists, to create systems that are not only technically robust but also intuitive and user-friendly, enhancing overall efficiency and user satisfaction. Position Responsibilities : Apply Human Engineering knowledge and principles to the analysis, design, and evaluation of complex systems Define system performance requirements to ensure safe and successful human operation of physical, functional, and program interfaces for all system operators Apply human performance principles, methodologies, and technologies to the design of complex systems Develop and implement research methodologies and analysis plans to test and evaluate developmental prototypes Apply a knowledge of military standards (such as MIL-STD-1472, MIL-STD-1474,

Recruitment
S
📍 San Francisco, California, United States· Full-time· Remote
✓ High-confidence listingCompany trend -80.6%
Quick readStrong listing-quality and freshness signals

About Sentry Software runs the world and the pace is faster than ever. Sentry helps developers fix errors and performance issues before users notice, so teams can spend less time firefighting and more time building. Trusted by 200,000+ organizations, Sentry is today’s application monitoring standard and our team is building its AI-native future. About the role Sentry's Infrastructure Engineering team is what makes operating Sentry simple, safe, and seamless for every other engineering team in the company. They build the internal control platforms, configuration systems, traffic routing, and automation that let product engineers operate services safely at scale without needing deep infrastructure expertise themselves. As the Engineering Manager for Infrastructure Engineering, you'll lead a team of engineers building the tools that power Sentry's growth: internal admin and change management tools, configuration automation, and the routing layer that underlies Sentry's architecture. You'll be responsible for technical vision, team health, system reliability, and partnership with engineering teams across the company who depend on your team's tools every day. You'll work closely with leaders across Infrastructure, Platform, and Production Engineering to shape how Sentry scales its operational model as the company grows. In this role you will Lead a team of engineers building the internal control platforms that every engineering team at Sentry relies on to operate services safely. Drive the evolution of Infrastructure Engineering's platform, including configuration management, traffic routing and environment controls Own the team's technical direction, contributing to key decisions on API architecture, internal tooling design, and automation frameworks. Nurture and grow engineers at different levels, providing support through coaching, mentorship, and career development. Foster an inclusive, high-performing team culture focused on ownership, learning, and delivery. Partne

PythonKubernetesAITerraform
H
📍 New, United States of America, United States
✓ High-confidence listingCompany trend -3.5%

$24 – $34/hr

Quick readStrong listing-quality and freshness signals

ACS/Workstation Technical Support Representative Description - Job Summary • This role is responsible for independently handling complex customer issues, resolving intricate technical problems related to hardware and software, and providing comprehensive responses about services, products, and technical matters. The role guides customers proactively and maintains customer relationships, while also coordinating work and leading complex requests. The role also contributes to process improvements, and mentors lower-level roles for optimal organizational performance. Responsibilities • Addresses complex customer issues independently, ensuring adherence to established protocols. • Resolves difficult and complex technical problems related to hardware and software through interactions with customers and proactive notification systems. • Provides comprehensive responses to questions about services, products, technical matters, and customer relations, including features, specifications, and repairs, for both current and obsolete products, components, and options, in alignment with customer entitlement, such as warranty coverage through mission-critical support. • Guides customers proactively to mitigate or prevent the occurrence of problems, while also participating in initiatives aimed at enhancing processes or ensuring quality improvements. • Establishes and maintains trusted relationships within customer accounts across the spectrum of technical users. • Provides resolutions and feedback by performing root cause analysis of outages and trends to address issues promptly and effectively. • Coordinates departmental work, identifies improvement opportunities, and ensures effective business controls for streamlined processes. • Leads and assigns responsibilities for complex requests, contributing innovative concepts, and implementing ch

AzureLinux
C
📍 6400 Las Colinas Blvd Irving, United States
✓ Quality checkedCompany trend +800%

About the Role Join the Controls Technology division as a Technology Product Owner. In this critical role, you will act as the bridge between complex business needs and our engineering teams. You will be empowered to translate intricate requirements for risk and control systems into a flawlessly managed backlog of epics and user stories. Your primary mission is to drive the delivery of high-quality, compliant software by ensuring our development teams have the clarity and context needed to execute effectively, sprint after sprint. This is a role for a product owner — someone who thrives on execution, champions quality, and is passionate about building world-class technology solutions in a dynamic, global financial environment. What You'll Do 1. Backlog Ownership & Agile Execution Own and Master the Backlog: Meticulously create, refine, and prioritize the product backlog, ensuring it is transparent, well-understood, and always ready for at least two sprints ahead. Translate Vision into Action: Deconstruct complex business requirements into well-defined Epics, User Stories, and precise Acceptance Criteria, ensuring a high percentage of stories are accepted without rework. Drive Sprint Success: Serve as the dedicated point of contact for the engineering team, providing unwavering clarity during sprint planning, daily stand-ups, and throughout the development cycle to remove ambiguity. 2. Solution Definition & Quality Assurance Define the "What": Partner with business stakeholders to elicit, analyze, and document requirements, defining the precise solution to be built. Champion Quality: Drive a quality-first mindset with a relentless focus on clear, testable acceptance criteria to minimize ambiguity and reduce critical defects in UAT. Demonstrate Value: Conduct compelling de

Artificial IntelligenceAIFinance
P
Relocation support. Relocation assistance is stated. This does not establish visa sponsorship.
📍 Tennessee, Remote, United States· Remote
✓ High-confidence listingCompany trend +86.2%

$108.6K – $250.7K/yr

Quick readStrong listing-quality and freshness signals

Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Rare Disease Sales Organization Mission & Impact Pfizer’s Rare Disease – Rare Cardiac Sales organization exists to help improve the lives of people living with serious rare cardiac conditions by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need— advancing disease and product education grounded in robust clinical evidence , promoting Pfizer Rare Cardiac therapies compliantly, and supporting healthcare professionals’ understanding of appropriate patient identification and use based on approved indications. Through evidence‑based scientific exchange, we help reduce access, diagnostic, and workflow barriers so more patients can start and stay on the right therapy. Our impact is more informed clinical decision ‑ making, improved consistency of care, and better outcomes for patients , contributing to a higher standard of care across the rare cardiac community. Role Summary The Rare Disease – Rare Cardiac, Senior Health & Science Specialist is a field-based specialty sales role responsible for driving the growth of Rare Cardiac products through compliant, strategic relationships within assigned accounts. This role partners with Therapeutic Area Specialists and Key

AIRecruitment
P
Relocation support. Relocation assistance is stated. This does not establish visa sponsorship.
📍 Tennessee, Remote, United States· Remote
✓ High-confidence listingCompany trend +86.2%

$108.6K – $250.7K/yr

Quick readStrong listing-quality and freshness signals

Pfizer US/PR Commercial Sales Founded in 1849, Pfizer Inc. began as a small chemistry enterprise built on the belief that scientific ingenuity can improve—and protect—human life. Today, as one of the world’s leading biopharmaceutical companies, Pfizer’s purpose is Breakthroughs that change patients’ lives : discovering, developing, and delivering medicines and vaccines that address unmet need, earn trust through quality and integrity, and reach patients through strong partnerships across the healthcare system. In a complex and rapidly evolving pharmaceutical landscape, our work is measured by one outcome - helping patients live longer, healthier lives . Rare Disease Sales Organization Mission & Impact Pfizer’s Rare Disease – Rare Cardiac Sales organization exists to help improve the lives of people living with serious rare cardiac conditions by connecting scientific innovation to the clinicians and systems that deliver care. We lead with integrity and patient need— advancing disease and product education grounded in robust clinical evidence , promoting Pfizer Rare Cardiac therapies compliantly, and supporting healthcare professionals’ understanding of appropriate patient identification and use based on approved indications. Through evidence‑based scientific exchange, we help reduce access, diagnostic, and workflow barriers so more patients can start and stay on the right therapy. Our impact is more informed clinical decision ‑ making, improved consistency of care, and better outcomes for patients , contributing to a higher standard of care across the rare cardiac community. Role Summary The Rare Disease – Rare Cardiac, Senior Health & Science Specialist is a field-based specialty sales role responsible for driving the growth of Rare Cardiac products through compliant, strategic relationships within assigned accounts. This role partn

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

We at NVIDIA seek an Senior Developer Relations, Automated Synthetic Chemistry Science Lead who can coordinate science streams. This role exists at the crossroads of experimental science, optimization, analytical characterization, AI modeling, laboratory automation, and data infrastructure. It demands a practitioner with a background in research who can lead interdisciplinary science teams and accelerate experimentation without compromising scientific quality. What you'll be doing: Coordinate the operating plan across research priorities, technical execution, and program achievements. Convert research objectives into experimental priorities, parameter-space development, campaign planning, and success criteria. Lead research initiatives encompassing synthetic chemistry, catalysis, process chemistry, machine learning, automated systems, and data processing. Build standardized experimental traces capturing successful and unsuccessful outcomes, metadata, quality-control signals, analytical summaries. Guide AI systems for feasibility assessment, outcome prediction, optimization, scope exploration, and campaign orchestration. Integrate automated experimentation, analytical data streams, data curation, model retraining, and campaign decisions into a closed-loop operating model. Establish science-stream governance: build reviews, decision logs, risk and dependency tracking, quality thresholds, and paths for addressing blocking issues. Prepare recurring workstream readouts for program leadership, including scientific progress, critical decisions, cross-team dependencies, resource needs, and unresolved risks. What we need to see: PhD (or equivalent experience) with 10+ years of hands-on experience in experimental science, chemical engineering, material science, robotics, a

Machine LearningAI
N
📍 Santa Clara, United States
✓ Quality checkedCompany trend -13.7%

We are seeking a highly skilled and hard-working Senior Test Developer / test engineer to join our multifaceted Enterprise Software QA team. This role offers an outstanding opportunity to leave your mark on the design, construction, optimization and testing of large-scale infrastructure for various foundational NVIDIA unified cloud services and data center offerings. If you are a dedicated engineer with strong expertise in cloud infrastructure and distributed systems and want to apply your skills with AI tools, this role could fit you perfectly. You will thrive in an exciting, innovative environment. What you'll be doing: Work with development teams on test plans for all layers of SW stack for cloud infrastructure, execution, reviews, failure analysis and assessing overall quality and risk. Work with customer PMs on software issues including technical feedback from OEMs and CSPs. Develop key benchmarks to track execution and deploy process improvements to improve efficiency Leverage AI skills to expedite the test scope, test plan, execution and automation workflows. Lead NVIDIA Cloud and Data Center bring up activities which will involve validation, reporting, working with engineering to debug issues, providing design input at times, adding coverage in different areas. Design, develop and maintain CI/CD pipelines for continuous testing in cloud environments when needed. Perform performance, scalability, and reliability testing of cloud services. Implement and maintain test environments in cloud platforms such as AWS, Azure, or Google Cloud. Supervise the infrastructure to alert on significant events, ensuring the highest level of system performance and reliability. Work with various different partner teams to ensure availability of clusters to test on and take the lead in resolve all issues. Working with tea

AWSAzureDockerKubernetes
N
📍 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 tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what’s never been done before takes vision, innovation, and the world’s best talent. As an NVIDIAN, you’ll be immersed in a diverse, supportive environment where everyone is inspired to do their best work. Come join the team and see how you can make a lasting impact on the world. Our team builds AI-driven software systems for Circuit Design: combining automation algorithms, DL models and agentic workflows to accelerate end-to-end design automation. Come join this integral team in our Circuit Solutions Group! What you'll be doing: Work within a multi-functional team on various projects involving Pre-silicon and Post Silicon custom circuit design and related data, Circuit/Layout Optimization and Spice correlation Research and implement techniques on frontier solutions of electronic design automation. Build and innovate agentic AI solution for VLSI design problem. Responsible for analyzing the problem or datasets, raise and validate hypotheses, design and build models and algorithm until they reach the desired QOR. What we need to see: MS (or equivalent experience) with 3+ years’ experience or PhD with 1+ years’ experience in Electrical/Computer Engineering degree Experience in the following fields is a strict requirement for this role: Combinatorial Optimization, Agentic AI and large language models, Machine Learning for Chip Design & EDA Experience in Algorithms/Data Structures/

PythonMachine LearningAI
N
📍 Santa Clara, United States
✓ Quality checkedCompany trend -13.7%

We are seeking an exceptional, technically strong, and highly motivated Technical Product Manager to drive NVIDIA's healthcare Physical AI simulation platform. This is a rare opportunity to build foundational enabling technologies at the intersection of physical AI, robotics, simulation, and healthcare, redefining how leading healthcare device and robotics companies develop, train, evaluate, and deploy next-generation Physical AI systems. What You'll Be Doing: Bring innovative physics simulation to healthcare . Identify and integrate advances in physics simulation into enabling technologies that empower healthcare developers to build and validate solutions across robot learning, in-silicon product development, and in-silicon clinical trials—without owning the end applications themselves. Define the product vision and strategy for healthcare Physical AI simulation , spanning classical physics-based and generative simulation, and enabling developers to tackle some of the hardest challenges in healthcare on the path toward Physical AI and in-silicon product development. Develop PRDs with clear technical requirements, benchmarks, product metrics , and evaluation frameworks for simulation fidelity, scalability, policy performance, sim-to-real transfer, and developer efficiency. Lead cross-functional execution across research, engineering, product, developer relations, marketing, and business development to bring new simulation capabilities from research into open-source releases and production adoption. Drive early-access partnerships with healthcare developers, including robotics OEMs and MedTech companies. Translate partner requirements and feedback into detailed platform features and work closely with engineering to deliver them. Help build the horizontal NVIDIA

M
📍 O Fallon, Missouri, United States
✓ Quality checkedCompany trend +212.5%

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Principal Software Engineer Principal Software Engineer Position Overview The Principal Software Engineer is a senior individual contributor within Architecture & Technology (A&T), responsible for driving enterprise engineering strategy, architecture standards, and technology excellence across Mastercard. This role provides deep technical leadership across distributed systems, cloud-native platforms, resiliency, observability, and software engineering practices while influencing technology direction across multiple teams and domains. The Principal Engineer partners with senior engineering leaders, architects, and platform organizations to define architectural standards, establish reusable patterns, and guide critical technology decisions. Through technical expertise, thought leadership, and cross-functional influence, this role helps teams build secure, scalable, reliable, and operationally excellent solutions that align with Mastercard's long-term engineering strategy. Role • Provide technical leadership and architectural guidance across multiple engineering organizations, driving consistent adoption of engineering standards, best practices, and enterprise technology patterns. • Partner with platform CTOs, architects, and engineering leaders to evaluate technology investments, transformation initi

AWSAzureGCPAI
M
📍 California, United States of America, United States
✓ Quality checkedCompany trend +5.4%

We anticipate the application window for this opening will close on - 25 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+ 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 Neuroscience Portfolio delivers therapies that treat disorders of the brain, spine, nerves, and vascular system. Through a broad range of medical technologies, our teams partner with physicians and healthcare systems worldwide to improve patient outcomes and quality of life. The Neurovascular Operating Unit develops technologies that treat acute ischemic stroke, hemorrhagic stroke, and other neurovascular diseases. Our portfolio includes devices designed to restore blood flow, remove clots, and treat complex vascular conditions, supporting physicians in delivering life-changing therapies to patients worldwide. This role supports the development, maintenance, and continuous improvement of stent-based neurovascular devices within a regulated medical technology environment. The engineering team partners closely with Quality, Manufacturing, Regulatory Affairs, Clinical, Supply Chain, and Marketing functions to ensure product performance, compliance, and lifecycle management are maintained while supporting patient outcomes. This is an onsite position based in Irvine, California. Travel is expected to be less than 10% and may include visits to manufacturing sites, suppliers, or company locations as

Supply ChainRecruitmentHR
S
📍 Arlington, Tennessee, United States
✓ High-confidence listingCompany trend +364.7%

From $27/hr

Quick readStrong listing-quality and freshness signals

Work Flexibility: Onsite Schedule: Mon – Fri 6:00am - 2:30pm, OT as needed What you will do: As a Senior Materials Inventory Coordinator, you will be responsible for material coordination and inventory control across production, quality, and logistics to ensure accurate records, timely material availability, and efficient material flow. This role focuses on executing established processes, identifying improvement opportunities, upholding quality and safety standards, and collaborating with cross-functional teams to support daily operations. Coordinate and optimize the flow of raw materials, components, and finished goods to ensure uninterrupted production and efficient inventory movement. Own inventory accuracy within ERP/WMS systems, performing complex transactions, cycle counts, and detailed discrepancy investigations. Collaborate cross-functionally with production, quality, planning, and logistics to ensure timely material availability and accurate staging for work orders. Serve as a subject matter expert and escalation point for complex material and inventory issues, driving root cause analysis and resolution. Execute and validate advanced inventory processes, including receipts, transfers, adjustments, and work order transactions, ensuring compliance with established controls. Drive continuous improvement efforts to enhance inventory accuracy, streamline material flow, and improve operational efficiency. Ensure compliance with material identification, labeling, and traceability requirements, supporting audit readiness and regulatory standards. Lead by example in maintaining a safe, organized work environment while supporting audits, physical inventories, and best practice adoption. What you need:

LogisticsWarehouse
S
📍 Minnesota, Bloomington 10801 Nesbitt Avenue South, United States
✓ High-confidence listingCompany trend +364.7%

From $22/hr

Quick readStrong listing-quality and freshness signals

Work Flexibility: Onsite Schedule: Mon – Fri | 11:30am – 8:00pm, OT as required What You Will Do As a Material Handler , you'll play an important role in keeping products moving through our warehouse and to our customers. You'll support inventory, shipping, and warehouse operations to ensure orders are picked accurately, packed correctly, and delivered on time. This is a great opportunity for someone who enjoys hands-on work and wants to build a career in warehouse, inventory, or logistics operations. Pick, pack, and ship domestic and international customer orders using RF scanners and warehouse systems. Package products according to shipping requirements while ensuring order accuracy and quality standards are met. Receive, inspect, and put away incoming inventory in the appropriate warehouse locations. Monitor inventory levels and communicate restocking needs to help support daily operations. Prepare shipping labels and process shipments through carriers such as FedEx and other transportation providers. Operate warehouse equipment, including Work Assist Vehicle (WAV) lifts and barcode scanning equipment, in a safe and efficient manner. Support inventory counts, warehouse organization, and continuous improvement activities to maintain an efficient work environment. Maintain a safe, clean, and organized workspace while following all quality and safety requirements. What You Need Required High School Diploma or GED. Experience operating a Work Assist Vehicle (WAV) lift and/or utilizing RF scanner technology. Prior warehouse, shipping, receiving, inventory, or distribution experience. Basic computer skills and ability to navigate warehouse systems. Strong attention to detail and commitment to accur

AuditingLogisticsWarehouse
S
📍 Minnesota, Bloomington 10801 Nesbitt Avenue South, United States
✓ High-confidence listingCompany trend +364.7%

From $22/hr

Quick readStrong listing-quality and freshness signals

Work Flexibility: Onsite Schedule: Mon – Fri | 11:30am – 8:00pm, OT as required What You Will Do As a Material Handler , you'll play an important role in keeping products moving through our warehouse and to our customers. You'll support inventory, shipping, and warehouse operations to ensure orders are picked accurately, packed correctly, and delivered on time. This is a great opportunity for someone who enjoys hands-on work and wants to build a career in warehouse, inventory, or logistics operations. Pick, pack, and ship domestic and international customer orders using RF scanners and warehouse systems. Package products according to shipping requirements while ensuring order accuracy and quality standards are met. Receive, inspect, and put away incoming inventory in the appropriate warehouse locations. Monitor inventory levels and communicate restocking needs to help support daily operations. Prepare shipping labels and process shipments through carriers such as FedEx and other transportation providers. Operate warehouse equipment, including Work Assist Vehicle (WAV) lifts and barcode scanning equipment, in a safe and efficient manner. Support inventory counts, warehouse organization, and continuous improvement activities to maintain an efficient work environment. Maintain a safe, clean, and organized workspace while following all quality and safety requirements. What You Need Required High School Diploma or GED. Experience operating a Work Assist Vehicle (WAV) lift and/or utilizing RF scanner technology. Prior warehouse, shipping, receiving, inventory, or distribution experience. Basic computer skills and ability to navigate warehouse systems. Strong attention to detail and commitment to accur

AuditingLogisticsWarehouse
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