Senior IT Security Architect Jobs in Denver, CO

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Software Engineering Manager, Space Protection Programs

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description We're seeking an experienced software engineering manager to lead a team of engineers through the entire software development lifecycle of complex Space Flight Software Development programs, from concept to delivery. As a key leader, you will oversee a portfolio of programs, driving the execution of Lockheed Martin Space's strategy and vision within SPP, and ensuring the seamless integration of Enterprise and SPP products to enable on-time, reliable delivery of our systems. The
Posted 45 days ago | Updated 1 hour ago

Cloud Architect

Cymertek Corporation

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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
Posted 60+ days ago | Updated 1 hour ago

Sr Systems Engineer

Sierra Nevada Corporation

•

Lone Tree, Colorado, USA

Full-time

Sierra Nevada Corporation is a leading aerospace and defense company dedicated to providing advanced technology solutions for national security and critical missions. Our team is composed of innovative thinkers and skilled professionals who are committed to delivering excellence and pushing the boundaries of what is possible. We are currently seeking a Senior Systems Engineer to lead our Open Mission Systems (OMS) architecture and design activities in support of large fixed wing platforms. As a
Posted 60+ days ago | Updated 1 hour ago

Senior Software Development Engineer - UI Platform (US Federal)

Workday, Inc.

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Boulder, Colorado, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 51 days ago | Updated 1 hour ago

Senior Systems analyst - ADP HR/Payroll

JS Consulting Solutions

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Denver, Colorado, USA

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

- Senior systems analyst - ADP HR/Payroll Project Location Hybrid in Castle Rock CO (Denver area). Project Duration- full time Visa-: Job Description-: Client is looking for a strong analyst who knows Workforce manager (UKG Ultipro) for time and scheduling. Must also know Payroll processes really well. The Senior Systems Analyst HR/Payroll is a member of a team of information technology professionals that is accountable for implementing and supporting ADP's Workforce Now and Workforce Manager
Posted 7 days ago | Updated 16 hours ago

Senior Software Engineer

Marathon Petroleum Company

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Denver, Colorado, USA

Full-time

An exciting career awaits you At MPC, we're committed to being a great place to work - one that welcomes new ideas, encourages diverse perspectives, develops our people, and fosters a collaborative team environment. Position Summary Senior Software Engineer will design, develop, test, and maintain high-quality software solutions for our evolving Commercial Eco-system. The Solution Engineering Developer will be responsible for designing, developing, testing, and maintaining solutions in C#, .N
Posted 14 days ago | Updated 10 hours ago

Infrastructure Engineer - ENG05 - Cleared On-Site

Apex Systems

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Aurora, Colorado, USA

Full-time

Job#: 2078219 Job Description: Apex Systems is seeking a Principal Platform Engineer / Linux with well-rounded Linux Infrastructure Engineering expertise to join an agile product team. The Ideal candidate will have experience in both traditional infrastructure design; provisioning of platform, storage, and networking resources for existing on-premise infrastructure hardware that ideally also has experience in emerging DevOps/DevSecOps & Modernized technologies. The Principal Platform Engineer wo
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Posted 46 days ago | Updated 2 hours ago

Application Manager

Lucid Technologies

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Remote

Contract, Third Party

Role/Title: Application Manager (DevOps/Security) Remote - Atlanta GA Agency Interview Type: Web Cam interview The Application Manager will play a pivotal role in overseeing multiple application projects, ensuring seamless coordination between cross-functional teams and work streams. Application Manager This individual will be responsible for managing project execution, monitoring team performance, ensuring optimal resource allocation, and overseeing vendor relationships. The Application Manage
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Posted 20 hours ago | Updated 20 hours ago

Systems Administrator Technician _TS/SCI with Polygraph

General Dynamics

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Aurora, Colorado, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Hardware, Information Systems, Information Technology (IT) Systems Certifications: CompTIA - Security+ CE - CompTIA Experience: 1 + years of related experience ship Required: Yes Job Description: We are GDIT. The people sup
Posted 60+ days ago | Updated 1 hour ago

Data Engineer Hybrid- multiple locations ((DFW area, Central Florida, King of Prussia, PA, Stratford, CT, Denver, Marietta, GA)

Calance

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Denver, Colorado, USA

Contract

Description:Your Mission: As a Data Engineer, you will be responsible for the development, optimization, and management of data ingestion, transformation, and storage processes using modern frameworks. The successful candidate will implement infrastructure-as-code and automation solutions to streamline and build resiliency into data processing workflows. You will work closely with our data science and analytics teams to create and optimize data and machine learning models that support stakehold
Posted 20 days ago | Updated 10 hours ago

(USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera
Posted 31 days ago | Updated 1 hour ago

Systems Analyst

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Systems 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 innovative Systems Analyst to join our team and play a critical role in optimizing technology solutions for our organization. In this position, you will analyze system requirements, design solutions, and collaborate with stakeholders to ensure technology aligns with business objectives. Your ability to troubleshoot
Posted 60+ days ago | Updated 1 hour ago

Analytic Cloud Developer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Analytic Cloud Developer 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 Analytic Cloud Developer to join our team and drive the design, development, and implementation of cloud-based analytic solutions. In this role, you will leverage your technical expertise to build scalable and secure cloud architectures, optimize data workflows, and deliver high-performing analytic applications. Th
Posted 60+ days ago | Updated 1 hour ago

Windows System Administrator

Kforce Technology Staffing

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Golden, Colorado, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Windows System Administrator in Golden, CO. Summary: As a System Administrator you will be responsible for the maintenance, configuration, and reliable operation of IT infrastructure. This includes servers, networking hardware, virtualization environments, and cloud systems. You'll collaborate with cross-functional teams to ensure uptime, optimize performance, and support a growing global organization. Key Responsibilities: * Administer a
Posted 8 days ago | Updated 7 hours ago

Active Directory Administration

Serenity Info Tech, Inc.

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Remote

Contract, Third Party

Title: Active Directory Administration Location: Raleigh NC ( Remote ) Duration: 12 Months Client: State of North Carolina Job Description: The candidate will be allowed to work remotely until all staff return to site. At that point the candidate will be required to come onsite. ** Remote work for contractors is at the discretion of management and will be reviewed on an ongoing basis. ** DOT WILL NOT ship their equipment, so the candidate must come onsite during onboarding to pick up the state
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Posted 19 days ago | Updated 20 hours ago

Network System Administrator

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Network System Administrator 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 dedicated and detail-oriented Network Systems Administrator to join our team and oversee the design, implementation, and maintenance of our network and system infrastructure. In this role, you will ensure the reliability, security, and efficiency of both network operations and system performance. Collaborating with a team
Posted 60+ days ago | Updated 1 hour ago

IRS Criminal Investigation (IRS-CI) Analysts

Fremont Solutions Group

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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
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Posted 5 days ago

Global Security Systems Admin I (2 openings)

AFLAC

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Remote

Full-time

Salary Range: $65,000 - $85,000 Job Posting End Date: 8/1/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Diver
Posted 1 day ago | Updated 10 hours ago

ServiceNow Developer with SailPoint

Balin Technologies LLC

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Denver, Colorado, USA

Contract

Position ServiceNow Developer Location: Denver, CO(Onsite) About the Role We re seeking a seasoned ServiceNow Developer with deep expertise in SailPoint Identity Security Cloud integration to join our growing IT team. This role is pivotal in enhancing our identity and access management capabilities across enterprise systems, especially within the airline industry. If you thrive in dynamic environments and enjoy solving complex technical challenges, we d love to meet you. Responsibilities Service
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Posted 11 days ago | Updated 8 days ago

AI Automation Engineer

Vaco by Highspring

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Remote

Contract

Were building the future of intelligent systemsand were looking for an Automation Engineer to help lead the charge. In this role, youll design, build, and deploy scalable automation solutions that drive efficiency, reduce manual work, and accelerate innovation across the organization. Youll work closely with teammates in Information Technology as well as business stakeholders to identify automation opportunities and turn them into reliable, AI-driven workflows. From robotic process automation (R
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Posted 8 days ago