Senior IT Security Architect Jobs in Denver, CO

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Sr Systems Engineer - Operations Research

Sierra Nevada Corporation

•

Lone Tree, Colorado, USA

Full-time

Military operations analysis / research influences every SNC technology, program, and strategic area of focus. The successful candidate for this position will join a fast-paced, agile team of analysts focused on conducting analysis of future, and existing military systems to inform strategic, program, business development, and customer decisions. The candidate will work in a team environment to execute impactful studies focused on quantifying the mission effectiveness of SNC technology concepts
Posted 1 day ago | Updated 9 hours ago

Sr. O&M Network Engineer

Leidos

•

Aurora, Colorado, USA

Full-time

Description The Digital Modernization Sector at Leidos is seeking a Sr. O&M Network Engineer to support the customer's various wide area networks (WANs) and local area networks (LANs). This position will provide routing and boundary protection to an enterprise level infrastructure across multiple classifications and act as subject matter experts in routing and boundary technologies across multiple vendors. The job duties of Tier O&M Network Engineer are as follows: Tier O&M of Juniper and Cis
Posted 24 days ago | Updated 8 hours ago

DevOps Engineer/Systems Administrator

SNI Technology

•

Centennial, Colorado, USA

Contract

Job Details SNI Technology's client is actively seeking to hire an IT DevOps Engineer for an exciting 3-month, contract-to-hire opportunity located in Centennial, CO! Please note this is a hybrid work environment requiring 3 days onsite per week (2 days remote/work from home). Summary We are seeking a mid-level IT professional for a hybrid role combining responsibilities in Systems Administration and Data Warehouse/Python development. This position supports core IT infrastructure, including Li
Posted 18 days ago | Updated 7 hours ago

Network Operations Center (NOC) Designer - Tier 3

CACI International, Inc.

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Denver, Colorado, USA

Full-time

Network Operations Center (NOC) Designer - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: There is not an anticipated end date for this posting since applications are needed on an ongoing basis. Team CACI has an exciting and challenging opportunity available for a Network Engineer supporting an Intellig
Posted 7 days ago | Updated 8 hours ago

DevOps Engineer

General Dynamics

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Boulder, Colorado, USA

Full-time

Basic Qualifications Education Requirements: 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 classifie
Posted 26 days ago | Updated 9 hours ago

Android Mobile Reverse Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Android Mobile Reverse 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 Android Mobile Reverse Engineer to join our team and tackle complex challenges in analyzing, deconstructing, and understanding Android applications and systems. In this role, you will use your technical expertise to uncover vulnerabilities, enhance system security, and contribute to the development of innovative sol
Posted 60+ days ago | Updated 9 hours ago

Senior Cloud Infrastructure Engineer (Azure)

Raymond James Financial Inc

•

Denver, Colorado, USA

Full-time

Job Description Note: This position will follow our hybrid work model, we expect the selected candidate to be in office 2-3 days a week at the St. Petersburg, FL Corporate Office or the Denver, CO Tech Center. Job Summary: This role will help drive and implement engineering solutions and strategies that will enable DevOps and Azure hybrid cloud technology adoption. This includes designing and participating in the development of cloud-based solutions that scale to help deliver both internal and
Posted 60+ days ago | Updated 9 hours ago

Systems Integration and Test Engineer Lead (Level 5)

Lockheed Martin

•

Greenwood Village, Colorado, USA

Full-time

Job ID: 696483BR Date posted: Jun. 26, 2025 Description:The coolest jobs on this planet or any other are with Lockheed Martin Space OVERVIEW: As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people 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
Posted 21 days ago | Updated 6 hours ago

Mechanical Engineer - Propulsion RSE Delegate

Lockheed Martin Corporation

•

Englewood, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 58 days ago | Updated 9 hours ago

Systems Integration and Test Engineer Lead (Level 5)

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space OVERVIEW: As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people 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
Posted 22 days ago | Updated 9 hours ago

System Administrator Associate_TS/SCI with Polygraph

General Dynamics

•

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: Hardware Support, Information Technology (IT) Infrastructure, Technical Support, Troubleshooting Certifications: None Experience: 0 + years of related experience ship Required: Yes Job Description: Transform technology into opportun
Posted 60+ days ago | Updated 9 hours ago

Systems Engineer III

Sierra Nevada Corporation

•

Remote or Lone Tree, Colorado, USA

Full-time

Are you a bold thinker? We dream big at Sierra Nevada Corporation-advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! As a Systems Engineer, you will be using your skills and expertise to research, architect, model, simulate, test, certify and improve cutting edge products and services. You'll be developing complex system architectures within contextual modeling platforms, ushering the
Posted 60+ days ago | Updated 9 hours ago

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
Posted 60+ days ago | Updated 9 hours ago

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
Posted 60+ days ago | Updated 9 hours ago

Software Engineer - DevSecOps/Platforms Engineer

BOEING

•

Denver, Colorado, USA

Full-time

Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Company is currently seeking an experienced, passionate and hands-on DevSecOps/Platforms Engineer, to join the Enterprise Software Verticals (ESV) organization located in Arlington, Virginia | North Charleston, South
Posted 1 day ago | Updated 2 hours ago

Senior Software Development Engineer - UI Platform (US Federal)

Workday, Inc.

•

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 43 days ago | Updated 9 hours ago

Tanium Administrator

Kforce Technology Staffing

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Remote or Denver, Colorado, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Tanium Administrator in Denver, CO; Charlotte, NC; Or Saint Louis, MO. Summary: We are seeking a Tanium Administrator to join our enterprise infrastructure operations team. While direct experience with Tanium is not required, candidates must bring a strong operational Linux background and the willingness to learn and own the Tanium platform. This role supports a high-security, on-premise environment managing over 170,000 endpoints and invo
Posted 32 days ago | Updated 2 hours ago

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 37 days ago | Updated 9 hours ago

ServiceNow Developer with Sailpoint Experience Mandatory

Balin Technologies LLC

•

Denver, Colorado, USA

Contract

Job Title: ServiceNow Developer Location: Denver, CO 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: ServiceNow
Easy Apply
Posted 1 day ago

ServiceNow Developer

RIIM

•

Denver, Colorado, USA

Third Party, Contract

Title: ServiceNow Developer Location: Denver,CO Duration: 12+ Month 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. Qualifications Bachelor s degree in Computer Science or related field. 5+ years of ServiceNow development experience in enterprise environm
Easy Apply
Posted 9 hours ago