Linux / Unix Systems Administrator Jobs in Denver, CO

141 - 160 of 494 Jobs

Hardware Design Engineering Intern/ Co-Op (Graduate | Fall 2025 | Hybrid)Job Title - Hardware Design Engineering Intern/ Co-Op (Graduate | Fall 2025 | Hybrid)

AMD (Advanced Micro Devices)Company Name - AMD (Advanced Micro Devices)

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Remote or Austin, Texas, USA

Full-time

WHAT YOU DO AT AMD CHANGES EVERYTHING We care deeply about transforming lives with AMD technology to enrich our industry, our communities, and the world. Our mission is to build great products that accelerate next-generation computing experiences - the building blocks for the data center, artificial intelligence, PCs, gaming and embedded. Underpinning our mission is the AMD culture. We push the limits of innovation to solve the world's most important challenges. We strive for execution excellen

Java Full Stack Developer (Officer) - HybridJob Title - Java Full Stack Developer (Officer) - Hybrid

CitiCompany Name - Citi

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Remote or Tampa, Florida, USA

Full-time

The Reference Data Management (RDM) is an organization within the Information Services Group (ISG), a service-centric organization supporting Citi Services, Markets and Banking. RDM provides centralized data and operations platforms spanning accounts, pricing, securities, corporate actions, know-your-customer, and loans pledging. The Java Full Stack Developer (Applications Development Intermediate Programmer Analyst - C11) is an intermediate level position responsible for participation in the e

WebLogic Application IntegratorJob Title - WebLogic Application Integrator

Seneca Resources, LLCCompany Name - Seneca Resources, LLC

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Remote

Full-time

Role: WebLogic Application Integrator Location: Remote (occasional travel to Dallas, TX, East Rutherford, NJ, or Richmond, VA) Client: Federal Reserve (via Peraton) Clearance: U.S. Citizenship and Public Trust eligible Description: This is a mid-level E-commerce position requiring a minimum of bachelor s degree in computer science or related field or has equivalent work experience. Must have at least 7 years experience in WebLogic product support. Must have strong administration support skills

Senior Software EngineerJob Title - Senior Software Engineer

HealthEdgeCompany Name - HealthEdge

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Remote

Full-time

Overview Position Overview: Healthedge is looking for a Senior Java Developer who is passionate about solving real world business problems to join our team. As a Senior member of the team, you will be working on developing solutions that help our customers integrate with our product suite. You will be working as a problem solver with plenty of unique assignments within the department. You will be a key member involved with design discussions, coding on the backend and working heavily with the

Red Team Cyber Project Engineer- Onsite in Puerto RicoJob Title - Red Team Cyber Project Engineer- Onsite in Puerto Rico

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Job Description We are looking for talented candidates with a strong technical background, experienced cyber security knowledge, the ability to think like a cyber adversary and having a passion for cyber security. The Red Team is looking for candidates who are ambitious, self-motivated and want to develop solutions to tough and unique challenges. Apply to this position if you want help secure our corporation, our customers, and the warfighter. If you want an opportunity to put yourself to the t

Site Reliability Engineer II - RemoteJob Title - Site Reliability Engineer II - Remote

Akamai TechnologiesCompany Name - Akamai Technologies

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Cambridge, England, United Kingdom

Full-time

Would you enjoy improving stability and safety of one of the largest global networks? \n Would you enjoy hands-on network operations work on a global scale to improve our operational efficiency? \n Join our Platform Security Engineering Team \n The Platform Security Engineering team is a group of engineers that support and secure Akamai's global network and Linode cloud systems. Our systems provide data security, server integrity, network access, and secure communications infrastructure. This is

Senior Lead Site Reliability Engineer - RemoteJob Title - Senior Lead Site Reliability Engineer - Remote

Akamai TechnologiesCompany Name - Akamai Technologies

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Cambridge, England, United Kingdom

Full-time

Technical Integration Engineer - TS/SCI with PolyJob Title - Technical Integration Engineer - TS/SCI with Poly

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Leidos is seeking a highly skilled Technical Integration Engineer (TIE) to join our dynamic team. This hybrid role combines the expertise of a Systems Administrator, Software Engineer, and Information Systems Security Engineer (ISSE) to design, implement, and maintain complex technical solutions that drive mission success. The Technical Integration Engineer will play a critical role in integrating systems, ensuring security compliance, and developing software solutions to support enterprise-leve

Software Engineering Senior Advisor-HybridJob Title - Software Engineering Senior Advisor-Hybrid

CignaCompany Name - Cigna

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Remote or Austin, Texas, USA

Full-time

The job profile for this position is Software Engineering Senior Advisor, which is a Band 4 Senior Contributor Career Track Role with Cigna-Evernorth Services Inc. Requirements- Participate in the delivery of the definitive enterprise information environment that enables strategic decision-making capabilities across the enterprise via analytics and reporting; Provide counsel and advice to top management on significant engineering matters, often requiring coordination between organizations; Serv

Principal Systems EngineerJob Title - Principal Systems Engineer

Commonspirit HealthCompany Name - Commonspirit Health

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Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha

Infrastructure Engineering Senior Advisor - HybridJob Title - Infrastructure Engineering Senior Advisor - Hybrid

CignaCompany Name - Cigna

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Remote or Franklin, Tennessee, USA

Full-time

The job profile for this position is Infrastructure Engineering Senior Advisor which is a Band 4 Career Track Role with eviCore healthcare MSI, Inc. Responsibilities: Design and enhance DevOps tools and practices. Interact with various functional groups such as engineering, Quality Assurance, Client Services, and Product Owners to ensure efficient configuration management, build, release, and deployment of tools. Continuously improve processes, enhance security, and automate day-to-day DevOps

Sr Systems EngineerJob Title - Sr Systems Engineer

Commonspirit HealthCompany Name - Commonspirit Health

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Remote or Englewood, Colorado, USA

Full-time

Site Reliability Engineer L4/L5 - Live Cloud Platform SREJob Title - Site Reliability Engineer L4/L5 - Live Cloud Platform SRE

Netflix, Inc.Company Name - Netflix, Inc.

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Remote

Full-time

Netflix is one of the world's leading entertainment services, with 283 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. Netflix has been changing how people watch shows and movies, enabling on-demand access to thousands of movies and TV shows. Recently, Netflix has expanded its entertainment

Infrastructure Defense Level 2 AnalystJob Title - Infrastructure Defense Level 2 Analyst

CitiCompany Name - Citi

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Remote or Irving, Texas, USA

Full-time

Job Description Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is syst

Cyber Security Consultant - Threat IntelligenceJob Title - Cyber Security Consultant - Threat Intelligence

Sutter HealthCompany Name - Sutter Health

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Remote or Sacramento, California, USA

Full-time

We are so glad you are interested in joining Sutter Health! Organization: SHSO-Sutter Health System Office-Valley Position Overview: A Cybersecurity Threat Intelligence Consultant/Analyst is responsible for collecting, analyzing, and disseminating threat intelligence to inform the organization's security strategy and enhance its defenses against cyber threats. This role involves working closely with internal and external stakeholders to understand the threat landscape, identify risks, and supp

Information System Security OfficerJob Title - Information System Security Officer

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Moorestown, New Jersey, USA

Full-time

Job Description WHAT WE'RE DOING Lockheed Martin is a cybersecurity pioneer, partner, innovator and builder. Our amazing employees are on a mission to make a difference in the world and every single day we use our unique skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Do you want to be part of a culture that inspires employees to think big, perform with excellence and build incredible products? We provide the resources, inspira

Data Engineer Manager with Big Data ExperienceJob Title - Data Engineer Manager with Big Data Experience

CitiCompany Name - Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. Citi's Mission and Value Proposition explain what we do and Strategy explain how we do it. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and ec

Cyber Security Engineer - ENG04 - Cleared On-SiteJob Title - Cyber Security Engineer - ENG04 - Cleared On-Site

Computer Merchant, Ltd., TheCompany Name - Computer Merchant, Ltd., The

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Boulder, Colorado, USA

Full-time

JOB TITLE: CYBER SECURITY ENGINEER LOCATION: BOULDER, CO - Onsite RATE RANGE: 88.00-93.00/hr W2 ONLY JOB # : 14177097 Long Term Contract/Contract to Hire Active Secret Clearance to start, TS/SCI PREFERRED REQUIRED SKILLS: Typically requires a Bachelor's degree in Science, Technology, Engineering or Mathematics (STEM) and 5+ years of engineering experience in cyber security Experience with Risk Management Framework (RMF), NIST 800-37, Continuous Monitoring IAW NIST 800-137, Patching IAW NIST

Systems EngineerJob Title - Systems Engineer

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Boulder, Colorado, USA

Full-time

Job Description Job Opportunity: Systems Engineer - Next Gen Geo Operations and Sustainment Team We are seeking a highly skilled and dynamic Systems Engineer to join our Next Gen Geo (NGG) Operations and Sustainment team. As a key member of this team, you will play a critical role in driving operational excellence and optimizing processes. Description: As a Ground Systems Engineer for the Next Generation GEO Operations and Sustainment Team you will: - Provide real time, operational support to

Software Engineering Intern/Co-Op (Undergraduate | Fall 2025 | Hybrid)Job Title - Software Engineering Intern/Co-Op (Undergraduate | Fall 2025 | Hybrid)

AMD (Advanced Micro Devices)Company Name - AMD (Advanced Micro Devices)

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Remote or Austin, Texas, USA

Full-time