windows/linux system administrator Jobs in san francisco, ca

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Staff SW Engineer

Visa Inc.

•

Foster City, California, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 1 day ago | Updated 6 hours ago

Network Engineer

Array

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Oakland, California, USA

Full-time

Position: Network Engineer Location: Oakland, CA (On-site 50% in Oakland office, 50% in the field throughout California) Pay: $120k to $140k/year Experience: Minimum 3 years of experience in: Full-stack network troubleshooting (OSI Layers 1 7)Layer 1: fiber, copper, circuits, PoE, wireless, cellularSystem administration: Windows Server, VMs, storage, Microsoft DomainsEducation: Bachelor s degree in EE, CompE, CS, or related field preferred. Type: Direct Hire Schedule: Monday Friday Conde Group
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Posted 20 days ago | Updated 9 days ago

Infrastructure Platform Engineer

Vaco by Highspring

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Remote

Contract

Job Title: Infrastructure Platform Engineer Job Type: Contract-to-hire Worksite Location: Fully Remote Industry: IT Services and IT Consulting Contract Hourly Compensation: $60.00 - $70.00 / hour W2 Salary Conversion: $120,000 - $145,000, based on experience and credentials Employee Benefits 401(k) Retirement Plan with Employer Match Medical, Vision, Prescription, Telehealth, & Dental Plans Life & Disability Insurance Unlimited Paid Time Off **Vaco is not seeking third-party support to aid in f
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Posted 10 days ago | Updated 8 days ago

Internship, Red Team Security Engineer, Vehicle Software (Fall 2025)

Tesla Motors

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Palo Alto, California, USA

Full-time

This position is expected to start around August or September 2025 and continue through the Fall term (ending approximately December 2025) or continuing into Winter/Spring 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. entry level candidates seeking employment after graduation and not returning to school should apply for
Posted 60+ days ago | Updated 6 hours ago

Platform Engineer

VISION INFOTECH INC.

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Pennsylvania, USA

Contract, Third Party

Hi, Hope you're doing well!! Please find the requirement below. If you find yourself comfortable with the requirement please reply back with your updated resume or call me back at Position: Platform Engineer Location: Remote Duration: 12+ Months LinkedIN Client won't be able to sponsor any visa REQUIRED SKILLS Support infrastructure @ Amfamgroup which includes the other OpCos Write code in terraform and ansible, understand puppet, understand jboss/tomcat and help the App teams when needed
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Posted 8 days ago | Updated 1 day ago

Windows Engineer with Security

Hexaware Technologies, Inc

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Remote

Full-time

Position: Windows Engineer with Security Location: Chicago, IL (100% Remote) Hiring: Fulltime with Hexaware Technologies Mandatory Skills: Hyper-V, Nutanix, SCCM, Cloud Technologies, Security Remediation, Active Directory JD: The Engineer must have a BA/BS in computer science, related field, or equivalent experience with a focus on Security Remediation and Vulnerability Management.Must have 10+ years of overall technology experience, along with 3+ years supporting major implementations in lar
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Posted 8 days ago | Updated 1 day ago

Splunk Content Developer - Herndon, VA (Remote)

XFORIA Inc

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Remote

Contract

Role : Splunk Content Developer Project location : Herndon, VA (Remote) Content Development & Optimization Build, maintain, and optimize Splunk dashboards, alerts, and reports that give teams real-time, actionable visibility.Create, modify, and troubleshoot complex multi-layer searches and dashboards using advanced SPL commands, macros, and search chaining.Continuously evaluate and improve existing content for clarity, performance, and value.Write efficient searches and troubleshoot poorly writt
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Posted 1 day ago | Updated 13 hours ago

Incident Response Lead - IT, Cybersecurity Fusion Center

Gilead Sciences, Inc.

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Remote or Foster City, California, USA

Full-time

At Gilead, we're creating a healthier world for all people. For more than 35 years, we've tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer - working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world's biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference. Every member of Gilead's team plays a critical ro
Posted 14 days ago | Updated 6 hours ago

Problem Management Engineering (Principal or Architect)

Salesforce

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San Francisco, California, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Software Engineering Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too - driving you
Posted 60+ days ago | Updated 6 hours ago

Splunk Administrator- 100% Remote

Motion Recruitment Partners, LLC

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Remote or Arlington, Virginia, USA

Full-time

Splunk Administrator This company is seeking an experienced Splunk Administrator to manage and optimize their Splunk infrastructure. In this role, you'll ensure the performance, availability, and reliability of our data analytics platform. You'll work closely with cross-functional teams to implement monitoring solutions that enhance operational visibility and strengthen security across their IT environment. The company is located in Reston, VA and will remain 100% remote. What You Will Be Doing:
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Posted 3 days ago | Updated 2 hours ago

Systems Administrator / SS&C or Advent or similar exp req(remote)

Kellton

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Remote

Contract

IT Systems Administration / Wealth Management Client Midtown- Hybrid Long term contract and possible Contract to hire Role Summary Our Wealth Management client is seeking anIT Systems Administration to provide hands-on management of our on-premises IT infrastructure. This is a contract-to-hire position (initial two-year contract) based in New York City with a hybrid work structure. Reporting directly to the Chief Operating Officer (COO), the Director will ensure that all critical systems inclu
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Posted 60+ days ago | Updated 31 days ago

Sr. Software Engineer

Visa Inc.

•

Foster City, California, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 26 days ago | Updated 6 hours ago

Sr. App Operations Engineer

Tri-Force Consulting Services Inc

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Remote

Third Party, Contract

Job Title: Sr. App Operations EngineerDuration: 12 MonthsClient: Department of Information Technology and Telecommunication - NYCLocation: Brooklyn, New York NOTE: This is a 100% remote role. Job Description:Manage deployment of applications in production and non-production environments.Work on service tickets according to priority.Troubleshoot application issues.Work on making enhancements to improve the security of the applications, as neededUtilize triaging and observability tools provided b
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Posted 8 days ago | Updated 8 days ago

Infrastructure Support Engineer

Source Code Technologies LLC

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Remote

Contract, Third Party

Position: Infrastructure Support Engineer Location: Remote Duration: 6 months Job Description: Provide Level 2 support for enterprise IT infrastructure including servers, networks, storage, and virtualization platforms.Monitor infrastructure health using tools like SolarWinds, Nagios, or similar, and respond to alerts in a timely manner.Perform routine maintenance and patch management of Windows/Linux servers and infrastructure components.Manage user access and identity services such as Activ
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Posted 6 days ago | Updated 6 days ago

Sr. Support Engineer

HashiCorp

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San Francisco, California, USA

Full-time

HashiCorp welcomes all qualified candidates who have authorization to work in the United States to apply - HashiCorp will not be sponsoring visas for this role at this time. About the team: HashiCorp is seeking a highly skilled and customer-focused professional to join our Support Engineering team for Consul and Nomad. This is an exciting opportunity to be part of a dynamic team and have a significant impact on HashiCorp's rapidly expanding business. This visible role will be an integral part o
Posted 46 days ago | Updated 6 hours ago

Vulnerability Specialist

CIMA

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Remote

Contract

Job Title: Vulnerability Consultant NO C2C Company: CIMA Location: Remote Engagement Type: Contract (3 Months) Hours: Full-Time (40 hours/week) Position Overview: CIMA is seeking a Vulnerability Consultant to lead critical security initiatives aimed at reducing system vulnerabilities, establishing a mature patching program, and ensuring alignment with key compliance frameworks. This is a remote, full-time, 3-month contract opportunity ideal for a consultant with deep experience in vulnerability
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Posted 6 days ago

Senior Staff Firmware Engineer (Hybrid)

Becton Dickinson & Company

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Remote or Milpitas, California, USA

Full-time

Job Description Summary Seeking an experienced Senior Staff Firmware Engineer to lead the development and evolution of high-quality instrument control firmware for BD's flow cytometers. You will provide technical leadership and architectural guidance to ensure robust and reliable firmware solutions. As a key member of the firmware development team, you will architect, develop, debug, and document firmware that meets product requirements with high reliability and robustness. You will provide sig
Posted 48 days ago | Updated 6 hours ago

Principal Platform Engineer----Remote Position

Business Integra

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Remote

Contract

Role:- Principal Platform Engineer Location:- Plano, TX (Remote Position) How You ll Help Us: A Principal Platform Engineer is first and foremost a software developer who specializes in the domain of the processes and resources necessary to enable the development, build, test, deploy, and release of changes to enterprise applications delivered to market while ensuring this occurs as frequently as needed, with the least amount of error possible, and the maximum uptime. Our product, a dynamic virt
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Posted 11 hours ago | Updated 11 hours ago

Cloud Automation Engineer

Stefanini

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San Francisco, California, USA

Contract

Stefanini Group is hiring!Stefanini is looking for a Cloud Automation Engineer, San Francisco, CA(100% Onsite)For quick Apply, please reach out to Ravi Singh: / Open for W2 only! Stefanini is looking for a motivated, talented, and experienced Engineer who is passionate about innovation and developing emerging technology. You will be a 'jack-of-all-trades' - working cross-functionally with Architects, Engineers, Business Analysts, and Service Managers across multiple teams in a rapidly evolving
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Posted 60+ days ago | Updated 2 hours ago

OpenText Content Server Admin

Vertex Group

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Remote

Contract

OpenText Content Server Admin Location 100% Remote 6-12 Months (C2H) Must be in the US for at least 3 years. Required Qualifications & Skills Strong experience with OpenText Content Server, Extended ECM, Archive Server, and other OpenText modules.Hands-on expertise with OpenText Directory Services (OTDS) and authentication mechanisms.Proficiency in OpenText Web Services (REST, SOAP), OScript, and database management (Oracle, SQL Server).Knowledge of enterprise IT environments, Windows/Linux serv
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Posted 29 days ago