it infrastructure Jobs in denver, co

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Tier III O&M (Network Engineer Level III) (Government)

AT&T Inc.

Centennial, Colorado, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Our National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video

Network Security Analyst

Cymertek Corporation

Aurora, Colorado, USA

Full-time

Network Security Analyst LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and proactive Network Security Analyst to join our cybersecurity team. In this role, you will monitor, analyze, and protect the organization's network infrastructure against potential threats and vulnerabilities. You will be responsible for identifying security risks, responding to incidents, and implementing m

Change Management / Change Manager

Fortune Global Solutions, LLC

Remote

Contract, Third Party

Role: Change Management / Change ManagerInsurance client ( Business/home /Car) insurance Remote Core skillsstrong change control/management person Job DescriptionOverview-The Change Manager supports enterprise-wide IT change governance across infrastructure and application environments.-This role ensures that change activities are executed with precision, minimal risk, and full compliance with ITIL-aligned standards to maintain operational stability and process integrity. Key Responsibilities

Senior. Platform DevSecOps Engineer (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-08 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: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

Cloud Infrastructure Engineer

Cymertek Corporation

Aurora, Colorado, USA

Full-time

Cloud Infrastructure Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and innovative Cloud Infrastructure Engineer to join our team and play a key role in designing, implementing, and optimizing our cloud environments. In this role, you will ensure the scalability, reliability, and security of cloud-based systems while collaborating with cross-functional teams to support critical busine

Senior Systems Administrator Lead (Remote Opportunity)

Veterans EZ Info, Inc

Remote

Full-time

VetsEZ is seeking a remote Senior Systems Administrator Lead to support a large-scale federal healthcare modernization program with the Department of Veterans Affairs (VA). This role will provide both technical leadership and hands-on administration of complex Windows server environments operating across hybrid infrastructures within VA and partner systems. The ideal candidate brings deep expertise in Windows-based systems, experience managing technical teams, and a strong focus on uptime, perfo

Cloud Architect

Cymertek Corporation

Aurora, Colorado, USA

Full-time

Cloud Architect LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an innovative and skilled Cloud Architect to lead the design and implementation of cloud-based solutions that drive our organization's success. In this role, you will develop scalable, secure, and efficient cloud architectures that align with business objectives and technical strategies. Collaborating with cross-functional teams, you'll

Oliver Wyman- Technology Innovation- Engagement Manager

Marsh & McLennan Companies

Remote or New York, New York, USA

Full-time

Company: Oliver Wyman Description: PRACTICE OVERVIEW At Oliver Wyman Tech Innovation we partner with clients to deliver breakthrough outcomes for their toughest digital challenges. We combine digital, technology and deep industry expertise to tackle our client's most complex, disruptive challenges and opportunities and create help them drive real impact in their businesses and the markets in which they operate. By building strong capabilities and culture, we help accelerate and embed digital

Principal Platform Engineer / Scrum Master (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-06-12 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: TS/SCI - Current At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help

IRS Criminal Investigation (IRS-CI) Program Analyst

Fremont Solutions Group

Remote

Full-time

We are seeking a Program Analyst with IRS Criminal Investigation (IRS-CI) Clearance to support the IRS-CI Technical Operations Center (TOC), a mission-critical component of our IRS project. This role focuses on portfolio planning, performance tracking, and programmatic oversight for TOC operations and modernization efforts supporting 3,700+ users, including 2,600 Special Agents across the globe. As a member of the TOC planning team, you will be responsible for coordinating status reporting, risk

Software Engineer - Jacksonville Central Fill

Publix

Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp

DevOps Engineer

General Dynamics

Aurora, Colorado, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 2+ years of job-related experience or a Master's degree. Agile experience preferred. CLEARANCE REQUIREMENTS: Department of Defense TS.SCI security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the

IRS Criminal Investigation (IRS-CI) Analysts

Fremont Solutions Group

Remote

Full-time

We are looking for multiple analysts with IRS Criminal Investigation (IRS-CI) Clearance including a Program Analyst, Technical Analyst, Systems Analyst/Information Security Specialist, and Technical Specialist/Help Desk Support. All roles are 100% remote. Program Analyst: We are seeking a Program Analyst to support the IRS-CI Technical Operations Center (TOC), a mission-critical component of our IRS project. This role focuses on portfolio planning, performance tracking, and programmatic oversigh

Senior Platform Engineer (Onsite)

RTX Corporation

Aurora, Colorado, USA

Full-time

Date Posted: 2025-05-30 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: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to

Director of Information Technology

Marmon Holdings Inc

Remote or Jasper, Alabama, USA

Full-time

Fontaine Spray Suppression Company As a part of the global industrial organization Marmon Holdings-which is backed by Berkshire Hathaway-you'll be doing things that matter, leading at every level, and winning a better way. We're committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone's empowered to be their best. Establishes the strategy, vision and blueprint for how information technology can be

Computer Network Defense Analyst (CNDA)

Cymertek Corporation

Aurora, Colorado, USA

Full-time

Computer Network Defense Analyst (CNDA) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI CI Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and detail-oriented Computer Network Defense Analyst (CNDA) to join our cybersecurity team. In this role, you will be responsible for monitoring, analyzing, and defending network systems against potential threats and vulnerabilities. You will work with advanced tools and technologies to identify security risks

*Technical Vendor/Project Manager* (W2 only, CTH)

Kellton

Remote

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

Senior Systems Engineer

Kforce Technology Staffing

Remote or Louisville, Kentucky, USA

Contract

RESPONSIBILITIES: Kforce has a client in Louisville, KY that is looking for a Senior Systems Engineer. Key Responsibilities: * Senior Systems Engineer will design, implement, and maintain enterprise-level infrastructure solutions across Windows Server platforms and Active Directory * Manage and optimize virtualization environments using VMware and Citrix technologies * Administer and support Cisco UCS blade systems and NetApp storage solutions * Oversee data protection and disaster recovery str

Field Service Technician

SAIC

Remote

Full-time

Job ID: 2507584 Location: REMOTE WORK, TX, US Date Posted: 2025-07-15 Category: Engineering and Sciences Subcategory: Field Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is looking for an experienced, energetic, and motivated Field Service Technician to join our Land Border Integration team in Laredo/McAllen, TX area. As a Fi

Sr Planning Engineer

Apex Systems

Remote

Full-time

Job#: 2083408 Job Description: Role Title: Remote Sr. Planning Engineer - MST Role Overview: The Sr. Planning Engineer is responsible for managing capacity, growth, and replacement planning for critical infrastructure across the network. This role requires strong knowledge of mechanical systems, AC distribution, UPS, STS, generators, and site civil activities, particularly as they apply to telecommunications facilities. The engineer will forecast and analyze critical systems growth, initiate c