Linux / Unix Systems Administrator Jobs in Denver, CO

Refine Results
161 - 180 of 376 Jobs

Sr. Systems Engineer

Visa Inc.

•

Highlands Ranch, Colorado, 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 29 days ago | Updated 5 hours ago

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

AMD (Advanced Micro Devices)

•

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
Posted 60+ days ago | Updated 5 hours ago

System Administrator

Kriaanet Inc

•

Remote

Full-time

Job Title:Systems administrationLocation: Honolulu, HI - REMOTEDuration: Long TermJob Description:Provide support for Microsoft Windows Active Directory infrastructure including domain controllers, file servers and Dynamic Host Configuration Protocol (DHCP) servers.Provide integration support for Red Hat Linux server and workstation infrastructure.Lead enterprise Windows configurations for NWS PR.Upgrade systems to the latest Microsoft operating system (OS) version.Provide support for Microsoft
Easy Apply
Posted 24 days ago | Updated 2 days ago

Senior Cyber Engineer-Information System Security Officer (ISSO)-P3 Onsite

RTX Corporation

•

Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-11 Country: United States of America Location: CO102: 16800 E Centretech Pkwy,Aurora 16800 East Centretech Pkwy Building S75, Aurora, CO, 80011 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: TS/SCI At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to
Posted 25 days ago | Updated 4 hours ago

Software Engineer

Ameriprise Financial

•

Minneapolis, Minnesota, USA

Full-time

Be responsible for designing, coding, testing, implementing, maintaining, and supporting application software that is delivered on time and within budget. Work closely with customers, business analysts, technology, and project teams to understand business requirements, drive the analysis and design of quality technical solutions that are aligned with business and technology strategies, and comply with the organization's architectural standards. Provide technical guidance to the development team
Posted 16 hours ago | Updated 5 hours ago

Mainframe Software Technical Support Engineer

Broadcom Corporation

•

New York, USA

Full-time

Please Note: 1. If you are a first time user, please create your candidate login account before you apply for a job. (Click Sign In > Create Account) 2. If you already have a Candidate Account, please Sign-In before you apply. Job Description: Provide technical support for Broadcom Mainframe Software products to ensure our customers are able to use our products efficiently and effectively. Key Responsibilities - Maintaining a professional attitude and utilizing technical expertise in order
Posted 60+ days ago | Updated 5 hours ago

Red Team Cyber Project Engineer- Onsite in Puerto Rico

Lockheed Martin Corporation

•

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
Posted 60+ days ago | Updated 4 hours ago

Senior Lead Site Reliability Engineer - Remote

Akamai Technologies

•

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
Posted 60+ days ago | Updated 5 hours ago

Enterprise Platforms BI Administration Lead Associate

Fannie Mae

•

Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued colleague on our team, you will act as the team lead in designing and developing advanced solutions for in
Posted 10 hours ago

RH Identity Management (IdM) Senior Consultant

Kforce Technology Staffing

•

Remote or Raleigh, North Carolina, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a RH Identity Management (IdM) Senior Consultant for a remote role. The duration will be 1040 hours (approximately 6 months full-time). Overview: We are seeking a seasoned RH Identity Management (IdM) Senior Consultant to support enterprise-level identity and access management initiatives. This role will focus on implementing, optimizing, and maintaining IdM solutions to enhance security, streamline user provisioning, and ensure compliance a
Posted 6 hours ago | Updated moments ago

Jira and Confluence Administrator

Veterans Sourcing Group

•

Remote

Contract

Job Tile: Jira and Confluence Administrator Location: San Francisco, CA 94105 (100% Work from home) Duration: 6 Months Contract Potential Extension Job Description: We are seeking an experienced Jira and Confluence Administrator and customer advocate to help guide our team in their journey towards becoming a world-class engineering organization.This role is critical to ensuring the stability, performance, and scalability of our Atlassian ecosystem, supporting both on-premise and cloud environmen
Easy Apply
Posted 23 days ago | Updated 4 hours ago

Senior Compute Engineer - Cloud Infrastructure

Fannie Mae

•

Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued colleague on our team, you will act as a Senior Engineer in designing and developing advanced solutions fo
Posted 37 days ago | Updated 10 hours ago

Professional Services Consultant- XSIAM

HCM Staffing and Consulting

•

Remote

Contract

Job Description: This Consultant position is an integral part of our mission within our Professional Services team. In this role, you will work on-site with our customer(s), supporting our mission to help them quickly and completely adopt our Security Operating Platform, leaving them more secure. This is a highly technical, hands-on role, and you will develop and maintain expertise-level skillsets on our products and solutions deployed within the customer's environment. Cortex XSOAR orchestratio
Easy Apply
Posted 1 day ago

Cloud Engineer

DP Professionals Inc

•

Remote or Columbia, South Carolina, USA

Contract

DPP is seeking a Cloud Engineer for an opportunity in Columbia, SC. Work arrangement: Onsite is highly preferred, but open to remote W2 position; 6 months Candidates who are foreign nationals must have resided in the US for at least three (3) of the last five (5) years prior to assignment to the client s applicable government contract. Position summary: A typical day for a Cloud Engineer involves a mix of building, supporting, automating, and optimizing cloud infrastructure to ensure secure, sca
Easy Apply
Posted 3 days ago | Updated moments ago

*Senior Risk Intelligence Engineer* - W2 Role

Kellton

•

Remote

Third Party, Contract

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Posi
Easy Apply
Posted 17 days ago | Updated 1 day ago

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

AMD (Advanced Micro Devices)

•

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
Posted 60+ days ago | Updated 5 hours ago

Murex Multiple Roles (Support, Architect & Functional) remote

Encore Consulting Services

•

Remote

Contract

1).Client Name Persistent Systems Ltd.Indent ID TBCPTalent Job# TBCPosition Title Murex XVA Senior Business AnalystLocation Remote but preferred local candidates in New JerseyDuration ContractInterview Process PSL Internal interview and client interviewJob DescriptionSummary IT Front Office is looking for Murex xVA Senior Business Analyst. Principal Duties and Responsibilities Responsible for the development and support of systems for the XVA Trading desk. Major tasks include: Writing functiona
Easy Apply
Posted 14 days ago

Software Engineering Intern/Co-op (Graduate | Fall 2025| Hybrid)

AMD (Advanced Micro Devices)

•

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
Posted 60+ days ago | Updated 5 hours ago

System Administrator

BCforward

•

Remote

Contract

System Administrator BCforward is currently seeking a highly motivated System Administrator for a remote opportunity! Position Title: System Administrator Location: Remote Anticipated Start Date: ASAP Please note this is the target date and is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: Initial 6 month-contract Job Type: Contract Pay Range: $46/hr-$50/hr Please note that actual compensation may vary within this range due to fact
Posted 11 days ago | Updated 5 hours ago

Lead Monitoring Engineer

Mindlance

•

Remote

Contract

Lead Monitoring Engineer Location - Washington, District of Columbia Duration: 9 months contract Job Description About the project: This initiative focuses on migrating infrastructure from Go-Cloud to AWS, with Datadog being implemented as the primary monitoring and observability platform. Client is currently in the process of replacing AppDynamics with Datadog and has already completed the migration of SolarWinds and Nagios monitoring capabilities into Datadog. In parallel, they are migrating a
Easy Apply
Posted 9 days ago