IT Infrastructure Jobs in Denver, CO

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161 - 180 of 869 Jobs

Lead Infrastructure Applications Support Technical Analyst- VP

Citi

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Remote or New Castle, Delaware, USA

Full-time

We are looking for a lead Infrastructure Applications Support Technical Analyst with knowledge of the design, implementation, and optimization of enterprise-grade data warehouse infrastructure solutions. This senior role requires strong organizational and analytical skills to work on complex infrastructure initiatives, collaborate with cross-functional teams, and ensure stability, scalability, and security across environments. You will be a key contributor to the modernization, automation, and s
Posted 6 hours ago

Fiber/OTDR Lead Engineer (REMOTE)

NetSource, Inc.

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Remote

Contract

Please note that this is a 1-year contract position with possibility of extension. Please submit your resume only if you have OTDR tracing/Fiber Optics Experience. All other resumes will be rejected.Location: Extensive Travel Required (90%) U.S., Montreal, Toronto, Vancouver, MexicoWork Hours: Standard 9:00 AM 5:00 PM, with occasional weekendsTravel: Monday to Friday travel required. Must be comfortable with frequent travel. Ideal candidates are located near a major airport and have a valid pass
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Posted 3 days ago

DevOps Engineer

Unison Systems, Inc

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Englewood, Colorado, USA

Full-time

Unison Systems is seeking a DevOps Engineer to assist our local, telecommunications client. Location: DTC; hybrid 4 days Duration: December 2025 with expectation of extension Description: Development operations (DevOps) engineers are responsible for the production and ongoing maintenance of a website platform. They also manage cloud infrastructure and system administration and work with teams to identify and repair issues on an as-needed basis, so strong communication skills are important in t
Posted 23 days ago | Updated 3 hours ago

Staff Engineer

IBM

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Denver, Colorado, USA

Full-time

Introduction A career in IBM Software means you'll be part of a team that transforms our customer's challenges into solutions. Seeking new possibilities and always staying curious, we are a team dedicated to creating the world's leading AI-powered, cloud-native software solutions for our customers. Our renowned legacy creates endless global opportunities for our IBMers, so the door is always open for those who want to grow their career. IBM's product and technology landscape includes Research, S
Posted 56 days ago | Updated 6 hours ago

PERFORMANCE TEST LEAD | COLUMBUS, OH (REMOTE

Columbus Technology Solutions

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Remote or Columbus, Ohio, USA

Contract

JOB TITLE: PERFORMANCE TEST LEAD JOB DURATION: 8-12 MONTHS JOB LOCATION: COLUMBUS, OH (REMOTE) EXPERIENCE: 9+ YEARS VISA: , GC-EAD - CAN APPLY. - (NO H1B) Job Description We are seeking an experienced Performance Test Lead to drive and manage performance testing initiatives across multiple applications and teams. The ideal candidate will collaborate closely with IT and business stakeholders to ensure the performance, scalability, and reliability of critical systems. This role involves stra
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Posted 13 days ago | Updated 3 days ago

Azure Cloud System Administrator

BlueHalo

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Maryland, USA

Full-time

At BlueHalo an AV company, we don't just witness the future of national security - we create it. We're on the search for a Azure Cloud System Administrator to embark on challenging, mission-critical projects near any one of our nationwide facilities, directly impacting the nation's security and intelligence mission. In our team of problem solvers, innovators, technologists, and operators, you'll be at the forefront of driving meaningful change and making an enduring impact. The Azure Cloud Syst
Posted 47 days ago | Updated 6 hours ago

Principal Oracle HCM Instance Engineer (Remote - Open to All KP Markets)

Kaiser Permanente

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Remote or Pleasanton, California, USA

Full-time

Salary range will vary depending on the location you reside. KP Locations = CA, OR, WA, CO, MD, VA, DC, HI, GA We are seeking an accomplished IT Consultant VI (Principal Oracle HCM Instance Engineer) to architect, implement, and optimize Oracle HCM environments at enterprise scale. As the senior technical leader for HCM instance engineering, you will drive strategy, design, integration, and ongoing improvement for the entire Oracle Cloud HCM ecosystem. You will combine deep technical expertise
Posted 16 days ago | Updated 6 hours ago

IT Project Senior Analyst(DEVOPS) - C12 - IRVING - P

Citi

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Remote or Irving, Texas, USA

Full-time

Citi is seeking a talented and detail-oriented Senior DevOps Analyst to support the development and operations of the Citi Funds Transfer Pricing (CitiFTP) platform. CitiFTP is a global initiative that standardizes how internal funding costs are allocated across the firm, delivering a transparent and consistent framework that ensures alignment with Citi's funding and liquidity strategies. As a Senior DevOps Analyst, you'll be instrumental in building and maintaining robust CI/CD pipelines, infra
Posted 60+ days ago | Updated 6 hours ago

Technical Integration Engineer

Cal Poly State University

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Remote or San Luis Obispo, California, USA

Full-time

Job Summary Under the general supervision of the Manager of Applications Engineering, the Technical Integration Engineer is responsible for designing, developing, documenting, and maintaining campus system and data integrations. This position focuses on creating and enhancing applications that support the university's educational and administrative functions. The role involves developing and supporting integration methods for applications within the campus computing infrastructure, including aut
Posted 13 days ago | Updated 3 hours ago

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin Corporation

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Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization 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 70 countries.
Posted 23 days ago | Updated 5 hours ago

Systems Eng - IT, Staff /Storage & VTC Solutions / Secret / Onsite: CO

Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description This position is within Lockheed Martin Enterprise Business and Digital Transformation (EBDT) Classified IT Transformation organization. It is chartered with transforming IT is delivery to Classified programs and environments. If you're looking for your next challenge in a fast paced, innovation-oriented group, look no further! Lockheed Martin recognizes the tremendous opportunity for significant advancement in the way Classified IT services are delivered to our Business Area p
Posted 9 days ago | Updated 5 hours ago

Computer Network Defense Analyst

Realm One

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Aurora, Colorado, USA

Full-time

RealmOne is FOCUSED on you! RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch security professionals. Join us on this journey as we execute this new miss
Posted 60+ days ago | Updated 6 hours ago

Infrastructure Principal Architect

McKesson Corporation

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Remote or Irving, Texas, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 60+ days ago | Updated 6 hours ago

Senior Linux Systems Administrator - 10k Sign on Bonus

Leidos

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Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator 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% company match and immed
Posted 17 days ago | Updated 6 hours ago

Mainframe Administrator

Big Apple Infotech

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Remote

Contract

Hello Professionals, Greetings From Big Apple Infotech! Role: IBM Mainframe Administrator Location: USA, Remote (Needs to travel to client site when required by the client) Duration: Long Term Contract Experience: 8+ Yrs Needed JD:We are seeking an IBM Mainframe Administrator with expertise in data center migration,consolidation, and modernization. This role is responsible for planning, executing, and optimizing mainframe migrations while ensuring high availability, minimal downtime, and data
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Posted 60+ days ago | Updated 26 days ago

Cloud Engineer (Remote)

S2Tech

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Remote

Full-time

Cloud Engineer Location: Remote About Us: Known for Delighting the Client through performance, innovation, and an employee-centric culture, S2Tech is a fast-growing IT consulting company serving clients in over a quarter of the United States. We are widely recognized as a leading provider of both technical and business services in support of Health and Human Services-related projects. Feel free to learn more at s2tech.com. Why S2Tech?: Stable privately-owned company with a strong reputation for
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Posted 9 days ago | Updated 9 days ago

Desktop Support Technician

Kforce Technology Staffing

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Denver, Colorado, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Desktop Support Technician in Denver, CO. This role is on site in Denver 5x a week. Expected Responsibilities: * Installs, upgrades, troubleshoots, and maintains endpoint hardware and software * Image computers, install applications using in-house tools (SCCM / PXE boot) * Responds to calls, chats, service tickets, and dispatched requests for technical support * Diagnoses and fixes endpoint network, software, and hardware issues * Install
Posted 10 days ago | Updated 1 hour ago

OCI SME (Oracle Cloud Infra) - 100% Remote

Vigilant Technologies

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Remote

Full-time

Skill : OCI SME/ Architect (Oracle Cloud Infra) Location : 100% Remote Duration : Full-time/ Direct-Hire Overview: We are seeking a highly qualified OCI (Oracle Cloud Infrastructure) SME (or) Architect with extensive experience and specialized knowledge in Oracle Database, EBS Apps Administration, implementing IDCS and FM. Experience in Exadata Cloud Service (ExaCS) and Engineered Systems will be an added advantage. This role requires in-depth understanding of architecting and implementation of
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Posted 60+ days ago | Updated 1 hour ago

Network Engineer III

Unison Systems, Inc

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Littleton, Colorado, USA

Full-time

Network Engineer Unison Systems is looking for a Network Engineer for a Broadband Service Provider for our national telecommunications client. This will be a long-term month contract out of the Greenwood Village, CO office. This role offers 1 remote day a week. This Network Engineer will plan and implement enterprise networks and related hardware and software. Design and document network architecture. Perform assessments on existing technologies to determine performance and capacity gaps. Es
Posted 59 days ago | Updated 3 hours ago

Enterprise Facilities Engineering Manager

Empower

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Greenwood Village, Colorado, USA

Full-time

Our vision for the future is based on the idea that transforming financial lives starts by giving our people the freedom to transform their own. We have a flexible work environment, and fluid career paths. We not only encourage but celebrate internal mobility. We also recognize the importance of purpose, well-being, and work-life balance. Within Empower and our communities, we work hard to create a welcoming and inclusive environment, and our associates dedicate thousands of hours to volunteerin
Posted 7 hours ago | Updated 7 hours ago