Linux / Unix Systems Administrator Jobs in Denver, CO

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Help Desk Technician

Nightwing

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Remote or Arlington, Virginia, 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 51 days ago | Updated 1 hour ago

ADC Engineer II, PEET ADC

Amazon Development Center U.S., Inc.

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Denver, Colorado, USA

Full-time

The PEET US ADC Periphery team is hiring an Amazon Dedicated Cloud (ADC) Engineer II to support development in ADC regions across a variety of AWS services including AWS Internet of Things (IoT), and AWS Wickr! You'll design, deploy, monitor, and automate infrastructure, tools and systems to provide a highly-available and resilient platform for our customers' and our team's workloads. Would you like to implement innovative cloud computing solutions and solve the world's most complex technical p
Posted 49 days ago | Updated 11 hours ago

Director, Data Governance and onboarding Leader ( Apps Development Sr Group Mgr )- C15

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 eco
Posted 60+ days ago | Updated 1 hour ago

Senior FPGA Engineer (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-09 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Collins Aerospace has an exciting opportunity for an experienced FPGA Verification Engineer.
Posted 49 days ago | Updated 1 hour ago

Senior High Performance Computing Engineer

Amgen Inc

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Remote

Full-time

Career Category Information Systems Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of pat
Posted 13 days ago | Updated 1 hour ago

Principal Infrastructure Architect - Direct-Hire/FTE - Remote (Washington DC Metro)

INSPYR Solutions

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Remote or Washington, District of Columbia, USA

Full-time

Principal Infrastructure Architect - Direct-Hire/FTE - Remote (Washington DC Metro)Title: Principal Infrastructure Architect Location: Washington DC. Compensation:$150,000-170,000 Annual Base Salary Work Requirements: , Holders or Authorized to Work in the U.S. Job Summary: The Infrastructure Architect is responsible for translating business and technical requirements into scalable, secure architecture designs that guide the development and implementation of enterprise solutions, ensuring align
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Posted 22 days ago | Updated moments ago

Remote Cybersecurity Engineer - SiteMinder to ForgeRock - Access Management

Software Guidance & Assistance

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Remote or Jacksonville, Florida, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Remote Cybersecurity Engineer - SiteMinder to ForgeRock - Access Management for a contract assignment with one of our premier Healthcare Services clients in Jacksonville, FL. Project Scope: Will be supporting application migration from SiteMinder to ForgeRock Candidates must have working experience with ForgeRock Access Management and ForgeRock Identity Gateway Responsibilities : Accountable for activities that ensure all user
Posted 12 days ago | Updated 11 hours ago

Information Systems Security Manager

Leidos

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Englewood, Colorado, USA

Full-time

Job DescriptionDescription Leidos' Office of the Cyber Information Security Officer within the Digital Modernization sector has an exciting opportunity for a seasoned Cybersecurity Information System Security Manager (ISSM) located in Greenwood Village, Colorado. You will ensure IT systems remain compliant to government regulations, frameworks, and standards pertaining to SP NIST 800-53A. Qualified candidates will have knowledge, experience and demonstrated ability to perform tasks related to a
Posted 19 days ago | Updated moments ago

Urgent Role || Senior Integration Engineer || Fully Remote

Gtech LLC

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Remote or US

Full-time, Part-time, Contract, Third Party

Job Description: Senior Engineer - Expertise in Integration Systems : 12+ years' experience We are seeking a seasoned Senior Software Engineer with a strong background in system integration to join our Engineering team. This role involves the design, development, and optimization of high-performance, highly available, and low-latency brokerage systems. You will work on REST APIs, asynchronous messaging, data integration, and system orchestration, focusing on seamless integration across service
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Posted 1 day ago | Updated 3 hours ago

Security Engineer (SIEM/SOAR/SOC Optimization) - Mid-Atlantic region (Remote in NC, VA, WV, MD, DC, DE, NJ, or PA)

GuidePoint Security

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Remote

Full-time

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk. Note: This is a remote position but applicant
Posted 60+ days ago | Updated 10 hours ago

Sr. Cyber Security Analyst - Incident Response

T. Rowe Price

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Remote or Maryland, USA

Full-time

Requisition Number: 76941 Position Title: External Description: Role Summary We're looking for a passionate and highly motivated professional to serve as a senior member of our Incident Response program. The Senior Cyber Security Analyst will use his or her experience and expert knowledge to defend our networks, systems, and data from attack. Understanding current tactics, techniques, and procedures used by adversaries you will apply that knowledge to the investigation of cyber-attacks, ensurin
Posted 20 days ago | Updated 1 hour ago

Google Cloud Platform Cloud Engineer/ Denver, Colorado (Remote)-12 Months Contract

Suncap Technology

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Remote or Denver, Colorado, USA

Contract

Local to CO Candidates only Title: Google Cloud Platform Cloud Engineer Location: Denver, Colorado (Remote) Duration: 12 Months Contract The Google Cloud Platform Cloud Engineer is responsible for implementing the designs and standards provided by the Cloud Architect and established by the Cloud Operations team as a whole and deploying application hosting environments using repeatable templates/tools/processes, with a primary focus on the Google Cloud Platform cloud platform within a DevOps stru
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Posted 21 days ago | Updated 10 hours ago

Information Systems Security Manager

Leidos

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Greenwood Village, Colorado, USA

Full-time

Leidos' Office of the Cyber Information Security Officer within the Digital Modernization sector has an exciting opportunity for a seasoned Cybersecurity Information System Security Manager (ISSM) located in Greenwood Village, Colorado. You will ensure IT systems remain compliant to government regulations, frameworks, and standards pertaining to SP NIST 800-53A. Qualified candidates will have knowledge, experience and demonstrated ability to perform tasks related to assessing, securing, and mon
Posted 24 days ago | Updated 1 hour ago

Software Engineer - Identity + Cloud

Fifth Third Bank

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Remote

Full-time

Make banking a Fifth Third better We connect great people to great opportunities. Are you ready to take the next step? Discover a career in banking at Fifth Third Bank. GENERAL FUNCTION: The Information Security Engineer (ISE) II will be responsible for defining, delivering and supporting the enterprise security tools and architecture developed in collaboration with the IT Engineering team. The ISE will also participate in a diverse variety of IS projects and support the ongoing operations of
Posted 18 days ago | Updated 1 hour ago

Sr. Cyber Security Analyst - Incident Response

T. Rowe Price

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Remote or Owings Mills, Maryland, USA

Full-time

At T. Rowe Price, we identify and actively invest in opportunities to help people thrive in an evolving world. As a premier global asset management organization with more than 85 years of experience, we provide investment solutions and a broad range of equity, fixed income, and multi-asset capabilities to individuals, advisors, institutions, and retirement plan sponsors. We take an active, independent approach to investing, offering our dynamic perspective and meaningful partnership so our clien
Posted 20 days ago | Updated 1 hour ago

Consultant, Tax Technology Consulting

tax.com

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Remote or Hyderabad, Telangana, India

Full-time

Why Ryan? Global Award-Winning CultureFlexible Work EnvironmentGenerous Paid Time OffWorld-Class Benefits and CompensationRapid Growth OpportunitiesCompany Sponsored Two-Way TransportationExponential Career Growth The Consultant, Tax Technology Oracle Cloud ("Consultant") provides tax automation services to Fortune 1000 clients by performing detail requirements analysis, process design, configuration, and implementation of tax automation business and system processes for Oracle Cloud applicati
Posted 60+ days ago | Updated 13 days ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

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Aurora, Colorado, USA

Full-time

Description Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% c
Posted 11 days ago | Updated 9 hours ago

Big Data and Java Developer - Hybrid

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Prime Service Tech is working on multi-year growth initiative and consent order data remediation deliverables and as part of it, we are expanding our platform offering to markets quants and product development to build analytics using Python, hosting new data platform, creating new data pipelines and building robust monitoring and observability capabilities for Prime Tech. The senior developer will work on building data pipelines, creating APIs to access data, working closely with product develo
Posted 60+ days ago | Updated 1 hour ago

Software Engineer - Perl

ADDSOURCE

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CA

Third Party

Job Title: Sr. Software Engineer Perl Location: Remote Experience: 7+ Years What's in It for You? Join an Agile development team where you'll play a key role in building cutting-edge healthcare applications. As a Sr. Software Engineer Perl, you'll help implement new features, drive scalability, and contribute to the overall quality and reliability of our systems, all while adhering to best coding practices and development standards. Key Responsibilities: Deliver customer value through high-qua
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Posted 37 days ago | Updated 5 hours ago

AbInitio Admin

Visionary Innovative Technology Solutions

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Remote

Contract

Hi, Please go through the job description: Title: Ab Initio Admin Location: Remote Duration: 6+ months Job Description: Strong experience in Ab Initio Admin installation, upgrades, environment setup. Experience deploying Ab Initio components in cloud environments (preferably Google Cloud Platform/GKE). Strong knowledge of Kubernetes, Docker, and Helm. Hands-on experience in Linux/Unix shell scripting. Familiarity with CI/CD tools like Jenkins, GitLab, or ArgoCD. Understanding of networking, DNS,
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Posted 2 days ago