Linux / Unix Systems Administrator Jobs in Colorado

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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

Systems Engineer (118116)

John Hopkins University

Remote

Full-time

Job Title: Systems EngineerIT@Cloud and Virtualization Services is seeking a Systems Engineer In accordance with institutional policies and standards responsible for administration, programming, maintenance, performance, implementation, security and support of various departmental and enterprise-wide platforms, including the installation and testing of new software, operating systems, related utilities/services, and hardware products as well as the integration of new products and /or software re

Application Administrator Tech Lead

RTX Corporation

Massachusetts, USA

Full-time

Date Posted: 2025-06-17 Country: United States of America Location: RMA99: RTN Remote, Massachusetts Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are consi

ServiceNow Discovery Administrator (Remote)

First-Citizens Bank & Trust Company

Remote or Raleigh, North Carolina, USA

Full-time

Overview This is a remote role that may be hired in several markets across the United States. This position performs complex data analysis in support of technology asset management tracking, analysis, and reporting within the Information Technology (IT) department of the Bank. Assesses a wide scope of business practices, information, and industry trends. Determines improvements or solutions to address identified issues. Prepares technical reports by examining and summarizing asset management d

ServiceNow Discovery Administrator (Remote)

First-Citizens Bank & Trust Company

Remote or Raleigh, North Carolina, USA

Full-time

Overview This is a remote role that may be hired in several markets across the United States. This position performs complex data analysis in support of technology asset management tracking, analysis, and reporting within the Information Technology (IT) department of the Bank. Assesses a wide scope of business practices, information, and industry trends. Determines improvements or solutions to address identified issues. Prepares technical reports by examining and summarizing asset management d

Oracle Cloud Developer

Adapthealth

Remote or Philadelphia, Pennsylvania, USA

Full-time

Position Summary: This Oracle Fusion 24D Technical Developer position involves developing and maintaining integrations for Oracle Cash Management, Accounts Payable, General Ledger, Procurement, Inventory, Cost, and/or Fixed Assets modules using Oracle Integration Cloud (OIC) and REST API methods. The role focuses on procurement receiving, inventory transfers, asset tracking, and mass additions processes. Responsibilities include working with Oracle Financials and SCM module interfaces, understan

DevOps PaaS Engineer (Sr. RHEL Engineer)

Maximus, Inc.

Colorado Springs, Colorado, USA

Full-time

Description & Requirements We are seeking a highly skilled and experienced professional to join our team as a DevOps Engineer with a focus in Red Hat Linux. The DevOps Engineer will be responsible for leading the development, deployment, and maintenance of a platform-as-a-service offering. The role will involve collaborating with cross-functional teams and overseeing technical architecture while delivering scalable and reliable solutions. This position is an onsite role, 5 days a week and requi

Software Engineer - Backend Software Developer

Splunk Inc.

Washington, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor

Cyber Risk Defense Consultant - Splunk Administrator

Kaiser Permanente

Greenwood Village, Colorado, USA

Full-time

Job Summary: The Splunk Administrator is responsible for maintaining and administering servers and infrastructure supporting Kaiser Permanente's Security Information & Event Management platform as well as perform Splunk application administration activities including administration of a Splunk Cloud environment. The Splunk Administrator will augment an existing team and will perform system administration tasks on a very large and complex Red Hat environment and enterprise clustered Splunk envir

Staff Site Reliability Engineer - Federal - 3rd Shift

ServiceNow, Inc.

Remote or San Diego, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Senior Cloud Operations Engineer - Plex

Rockwell Automation

Remote or Troy, Michigan, USA

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Azure Cloud Systems Engineer(Top Secret)

Navitas Business Consulting Inc

Remote

Contract

Senior IT System Engineer (Cloud Engineer) to work remotely. The ideal candidate will possess deep expertise in cloud architecture, systems administration, and automation, and demonstrate strong problem-solving and communication skills in a dynamic, mission-critical environment. Responsibilities will include but are not limited to: Provide network and systems administration of cloud and hybrid environments (Azure GovCloud, M365 GCC High).Troubleshoot and escalate complex issues across VMs, serv

(USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.

Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera

Care engineer for security products

Katalyst Healthcares and Lifesciences

Remote or New Jersey, USA

Full-time

Responsibilities: Customer case handling - End customers and as well as Internal Customers. Provides support, leadership and guidance during Customer escalations and emergencies, keeping customer Service Level Agreements (SLAs) in mind. nalyses and finds root causes of product issues, by understanding logs, metrics, pcap files and customer scenarios. Works on installing, reproducing and fixing product issues. Engages and co-ordinates with the R&D Product team (SMEs) to come up with solutions. Co

Associate Cybersecurity Engineer - Netskope - Remote

Software Guidance & Assistance

Remote or Jacksonville, Florida, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for an Associate Cybersecurity Engineer - Netskope - Remote for a contract assignment with one of our premier Healthcare services clients in Jacksonville, FL. This role will be remote. Top Skills Needed: Proxy Management, DLP and MWGs Implementation experience with Zscaler or Netskope (SASE solutions- Secure Access Service Edge) **Netskope Certifications a huge plus** Responsibilities : Associate Cybersecurity Engineers are responsi

Sr. Configuration Management Admin - Logic Monitor

Connexion Systems & Engineering

Remote

Full-time

Configuration Administrator (LogicMonitor) TYPE: Contract-to-Hire COMP: Full Time - $110k - $120k Base, $10k - $15k Bonus (est.) HIRING TIMEFRAME: ASAP LOCATION: Remote with some limited travel (less than 25%) This position is part of a Managed Services operation. This is a remote position that can be located anywhere. There would be an hourly contracting rate for the first 3 months. After that, the candidate will convert to full time. Looking for an individual who is an expert in monitoring

Cloud & Middleware Infrastructure DevOps Engineer -TAMPA, Hybrid

Citi

Remote or Tampa, Florida, USA

Full-time

Job Summary: We are hiring a Cloud & Middleware Infrastructure DevOps Engineer to transformation of enterprise application infrastructure from on-premise to private cloud platforms such as AWS or Google Cloud Platform. The role requires strong containerization knowledge, DevOps automation skills, and in-depth experience managing complex middleware environments. Key Responsibilities: Lead administration and performance tuning of WebSphere and Tomcat servers.Architect and manage Linux (RHEL) and

Senior Specialist, Cyber Infrastructure Systems Engineer Secret - Colorado Springs, CO

L3Harris Technologies

Colorado Springs, Colorado, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Senior Specialist, Cyber Infrastructure Systems Engineer TS/SCI - Colorado Springs, CO

L3Harris Technologies

Colorado Springs, Colorado, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

ADC Engineer, AWS DBS ADC Analytics

Amazon Development Center U.S., Inc.

Denver, Colorado, USA

Full-time

The Analytics ADC team is at the forefront of delivering AWS Analytics cloud services to our customers in isolated, air-gapped cloud environments. We are dedicated to pushing the boundaries of what is possible in this rapidly evolving field, leveraging the power of cloud computing and the latest advancements in data technologies. With a focus on expanding Analytics services across air-gapped cloud regions, driving automation investments, and delivering open-source solutions, we are at the forefr