Linux / Unix Systems Administrator Jobs in Denver, CO

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MTS Senior Consultant/ MTS Senior Developer

ApTask

Remote

Third Party, Contract

MTS Senior Consultant/ MTS Senior Developer Location: Remote - CST/ EST preferred & Hybrid options - any CTS office in the U.S. Rate: $60 - $70 / hour on C2C NO MTS testers nor BA's; only MTS Developer can apply. Job Summary - Looking for a Senior Consultant having hands-on MTS development and customization experience in ACI MTS product. Experience : 10+ years Required Skills Technical Skills: Cobol, Linux, Entia DB, IBM MQ, Deep expertise in experience in ACI MTS development, customization and

Senior IT Systems Engineer

Lockheed Martin Corporation

Remote or Cope, Colorado, USA

Full-time

Job Description As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible produc

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

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

Hardware Verification 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

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

AMD (Advanced Micro Devices)

Remote or San Jose, California, 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 Rates Algo Developer - AVP (Hybrid)

Citi

Remote or New York, New York, USA

Full-time

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications de

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

Full Stack Systems Engineer IT / TS/SCI Poly / Onsite: Littleton, CO

Lockheed Martin Corporation

Littleton, Colorado, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span more than 70 countries. This Lockheed Martin Enterprise Operations (EO) position will suppor

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

Linux Admin with GPU

Laiba Technologies LLC

Remote

Contract

(GPU- Graphics Processing Unit), Storage Setup, RAID Position-3 "What We'll Expect From You: Significant experience administering Linux servers o Familiarity with deb packaging, archive administration or image building is a plus Moderate experience with Python, Ruby, or Golang Familiarity with Git ww Familiarity with Shell Scripting Familiarity with continuous integration systems and concepts o Familiarity with Git-hub Actions or Concourse is a plus ww An interest in contributing work upstream

Security Engineer - Encryption

VLink Inc

Remote

Contract

Job Title: Encryption Engineer Location: Remote - working EST hours Employment Type: Contract Duration: 6 month initial contract About VLink: Started in 2006 and headquartered in Connecticut, VLink is one of the fastest growing digital technology services and consulting companies. Since its inception, our innovative team members have been solving the most complex business, and IT challenges of our global clients. Job Description: *Need expertise with Encryption technologies. Key techs: Encryp

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

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

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

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

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

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

HPC Systems Admin

General Dynamics

Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Systems Engineering Job Qualifications: Skills: High-Performance Computing (HPC) Systems, Linux System Administration, Python (Programming Language), Scripting, SUSE Linux Enterprise Server (SLES) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: At GDIT, people are ou

*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