Linux / Unix Systems Administrator Jobs in Denver, CO

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Security / Systems Engineer I-II

Kforce Technology Staffing

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Greenwood Village, Colorado, USA

Contract

RESPONSIBILITIES: Kforce has a client in Greenwood Village, CO that is seeking a Security/Systems Engineer I-II to work onsite. Summary: This will be a new build and standing up critical services in a new environment. We are looking for an Engineer who is hungry, and eager to learn. The client is looking for longevity, good communication skills, and someone who has previously worked in a production environment REQUIREMENTS: * 3-5 years of experience in Systems & Security Engineering role * E
Posted 12 days ago | Updated 1 day ago

Systems Administrator

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities of the Systems Administrator: Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navi
Posted 32 days ago | Updated 19 days ago

Systems Administrator

Zachary Piper Solutions, LLC

•

Remote

Full-time

Piper Companies is seeking a Systems Administrator for an established healthcare organization. This is a 6-month contract and is REMOTE (based in US, must work EST). Responsibilities Support the remediation of Windows Server 2012 environments, including upgrade planning and execution to Azure. Maintain and administer enterprise-level Windows and Linux systems in a hybrid on-prem/cloud environment. Collaborate with vendors to manage third-party applications and navigate upgrade or decommission sc
Posted 33 days ago | Updated 19 days ago

Software Engineer with active TS/SCI Clearance

Computer Merchant, Ltd., The

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Aurora, Colorado, USA

Full-time

JOB TITLE: SOFTWARE ENGINEER JOB LOCATION: AURORA, CO WAGE RANGE*: 90.00-95.00 PER HOUR JOB NUMBER: 14858523 REQUIRED EXPERIENCE: A Bachelor's degree in Science, Technology, Engineering or Mathematics (STEM) and 5 years of relevant software engineering experience. Experience implementing software using C++. Active and transferable U.S. government issued TS/SCI security clearance is required prior to start date. Duration:0-12 month(s) JOB DESCRIPTION: Job Summary: In this role, you will be jo
Posted 25 days ago | Updated 7 hours ago

Systems Administrator II

Sierra Nevada Corporation

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Remote or Southern Pines, North Carolina, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator II, you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system para
Posted 24 days ago | Updated 11 hours ago

Observability Engineer

Eliassen Group

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Greenwood Village, Colorado, USA

Contract

Description: **Hybrid | Greenwood Village, CO** Our client, an industry leader in telecommunications, has an excellent opportunity for a Principal Wi-Fi Test Engineer to work on a contract opportunity. Work will be a hybrid on-site/remote schedule in Englewood, CO. The Observability Engineer will contribute significantly to planning, implementing, and maintaining system monitoring and observability artifacts for a complex enterprise network. Collaborates closely with developers to integrate ob
Posted 5 days ago | Updated 10 hours ago

Observability Pipeline Engineer - Hybrid

Charles Schwab

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Lone Tree, Colorado, USA

Full-time

Position Type: RegularYour opportunity At Schwab, you're empowered to make an impact on your career. Here, innovative thought meets creative problem solving, helping us "challenge the status quo" and transform the finance industry together. We believe in the importance of in-office collaboration and fully intend for the selected candidate for this role to work on site in the specified location(s). Responsible for supporting and maintaining enterprise monitoring and telemetry platforms; Confluen
Posted moments ago

Sr. ERP and CRM Systems Administrator

Eclaro

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Remote

Contract

ECLARO is a company that delivers talent. We provide fully customizable, comprehensive talent acquisition and management of seasoned professionals through a number of business models, including: Consulting, Professional Hire, Global Integrated Delivery and Managed Services. Kindly email with a Word resume along with the position ID number, your hourly rate and availability. This is Homer Ballega. I am a Recruiter with ECLARO. We are first tier suppliers of technical services to several Fortune 5
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Posted 20 days ago | Updated 5 days ago

Senior C++ Software Engineer (Onsite)

RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-05-20 Country: United States of America Location: CO106: 16470 East Hughes Drive,Aurora 16470 East Hughes Drive Building S77, 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: TS/SCI without Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to
Posted 42 days ago | Updated 11 hours ago

DevOps Engineer I

Trimble Mobile Solutions

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Westminster, Colorado, USA

Full-time

Title:Enterprise DevOps Engineer Job Location: Westminster, Colorado Department:Trimble E-Tools Are you ready to take your skills to the next level as a self-motivated and enthusiastic Development and Operations Engineer with hands-on experience in cloud computing? What You Will Do Collaborate with software engineering to craft, automate, and deploy cutting-edge tools for seamless testing and release management. Maintain and optimize deployment, monitoring, and operations tools. Troubleshoo
Posted 2 days ago | Updated 11 hours ago

Systems Administrator 2

Nightwing

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Remote or Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 60+ days ago | Updated 11 hours ago

System Administrator

Maxar Technologies Holdings Inc

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Westminster, Colorado, USA

Full-time

Please review the job details below. Maxar is seeking an experienced System Administrator with familiarity with implementing and maintaining CMMC security controls and procedures to contribute to an agile and fast-paced software development team environment in support of our USG customer's national security mission. We are seeking people who embrace teamwork and knowledge-sharing and thrive in a culture of continuous improvement. The ideal candidate will value both collaboration and independent
Posted 15 days ago | Updated 11 hours ago

Systems Administrator 3

Nightwing

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Remote or Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 60+ days ago | Updated 11 hours ago

Cyber Software Engineer

Lockheed Martin Corporation

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Denver, Colorado, USA

Full-time

Job Description Do you have the dedication and passion to make a significant contribution to mission success? Do you want to be part of a dynamic, fast-paced, high-performance team that's crafting an outstanding team culture, all while quickly adapting to constantly evolving customer requirements? You will be part of a team that centers on research and development within the cyber engineering field, investigating and exploiting the newest technological advances to resolve complex problems. Our
Posted 42 days ago | Updated 11 hours ago

Sr Systems Engineer - Mid Career

Lockheed Martin Corporation

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Remote or Littleton, Colorado, USA

Full-time

Job Description WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. WHAT WE'RE DOING At Lockheed Martin, we're revolutionizing the aerospace and defense sector through groundbreakin
Posted 16 days ago | Updated 10 hours ago

AIX/Linux Administrator

Bizoforce Inc

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Remote

Third Party, Contract

Role: AIX/Linux Administrator Number Open Positions: Multiple Experience Level: 8-12 Yrs Experience Level: 6-8 Yrs Location : (Wichita, Kansas (US) (REMOTE) Duration: 3+ Years Contract The project duration will be 3 years, depending on candidate performance. We are looking for a detail-oriented AIX Engineer with hands-on experience in IBM P-series hardware, firmware, HMCs, and the AIX operating system to maintain system performance, availability, and integrity. Key Responsibilities: Conduct rou
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Posted 60+ days ago | Updated 2 days ago

Database Engineer- Sr. Consultant level- NoSQL

Visa Inc.

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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 1 day ago | Updated 11 hours ago

DB2 DBA LUW- Remote(W2 Only)

iTek People, Inc.

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Remote

Contract

Role: DB2 DBA LUW - (W2 Ony) Location: remote Key Responsibilities: Install, configure, and upgrade DB2 LUW database instances on Linux, Unix, or Windows platforms. Monitor database performance, conduct tuning, and optimize queries and indexing strategies. Perform database backups, restores, and recovery operations using DB2 utilities (e.g., db2backup, db2restore). Set up and maintain HADR (High Availability Disaster Recovery) and TSM (Tivoli Storage Manager) configurations. Create and manage d
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Posted 6 days ago

Murex Support Engineer

CAYS Inc

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California, USA

Full-time, Contract

Role: Murex Support Engineer Location: Remote, USA Duration: Long term Role Summary: We are looking for a Murex Support Engineer to assist in the day-to-day support, troubleshooting, and environment operations of a large-scale Murex MX.3 platform. This role is ideal for candidates with around 3 years of hands-on Murex experience who want to build deeper technical expertise while supporting production stability and automation initiatives. You will work under the guidance of senior engineers an
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Posted 10 days ago | Updated 3 hours ago

Remedy developer

iBeris Global LLC

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Greenwood Village, Colorado, USA

Contract

We are seeking a skilled Remedy Developer with a solid background in Linux to support and enhance our ITSM systems. The candidate will be responsible for developing, configuring, and maintaining BMC Remedy applications while also working on Linux-based server environments. Key Responsibilities:Design, develop, and maintain BMC Remedy applications and workflows.Customize Remedy forms, filters, escalations, and active links based on business requirements.Perform upgrades, patches, and performance
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Posted 5 days ago