• Senior. Platform Engineer - Linux (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted ... more secure world. Raytheon Technologies (RTX) is seeking a **Senior Platform Engineer / Linux** with well-rounded Linux Infrastructure Engineering expertise to join… more
    RTX Corporation (11/19/25)
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  • Hardware Engineer , Level 2 - Clearance…

    Lockheed Martin (Aurora, CO)
    …Active Secret security clearance \(the ability to obtain a TS /SCI clearance\) **Desired Skills:** \- Background in technology, engineering, software, hardware, ... responsibility\. Your mission is ours\. Lockheed Martin is seeking a full\-time Hardware Engineer to join the team located in Aurora, Colorado\. The Hardware … more
    Lockheed Martin (12/30/25)
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  • System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …Engineering field from an accredited university with minimum 8 years of experience + Top Secret ( TS ) security clearance with eligibility for Secret ... your help. Our team is looking for a **SysOps Engineer (** **System Administrator).** In this role you will...Directory, Identity Management (IdM) **Security Clearance Requirement:** An active Top Secret SCI security clearance is required… more
    Parsons Corporation (11/14/25)
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  • ADC Engineer I, Amazon Dedicated Cloud…

    Amazon (Denver, CO)
    …most complex technical problems? Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure to build a better ... candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires...school or equivalent diploma, or A+ or CND (Certified Network Defender) or Network + or Security- 1-3… more
    Amazon (10/16/25)
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  • Senior Software Architect/Designer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …processes, and specific industry regulations + Must have and maintain a US Gov TOP SECRET / SCI clearance. Preferred Skills and Experience + RMF/Cyber Experience ... will close within 90 days from the Posting Date. Keyword: AWS Cloud Architect/ Engineer , Cloud SW developer, Cloud network developer, Software Integration … more
    Kratos Defense & Security Solutions, Inc. (11/08/25)
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  • Facility Operations Center Engineer , ADC…

    Amazon (Denver, CO)
    …be a US Citizen and must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires the candidate to opt ... power and cooling to the platform 24x7x365. We support Data Center Engineer Operations teams who are responsible for the operation of infrastructure equipment.… more
    Amazon (12/31/25)
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  • TSSCI Poly Software Engineer

    Actalent (Aurora, CO)
    Job Title: Software Engineer TS /SCI Poly Job Description We are seeking a Full Stack Developer to design, develop, and implement both frontend and backend ... Degree and 2-20 years of relevant experience. + Active TS -SCI Polygraph. Additional Skills & Qualifications + Experience with...drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500… more
    Actalent (12/23/25)
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  • Engineer Senior Mission Systems Integration

    BAE Systems (Boulder, CO)
    …+ Ensure all simulator, Ground Support Equipment (GSE)/Special Test Equipment (STE), network interfaces and other resources are identified and in place to support ... the US Secretary of Education, US Department of Education. + A current, active TS /SCI security clearance is required with ability to obtain and maintain TS /SCI… more
    BAE Systems (12/16/25)
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  • Space Protection Engineer

    Stratos Solutions (Colorado Springs, CO)
    Location: Colorado Springs, CO Minimum Clearance Requirements: TS /SCI with Poly Position Overview Stratos Solutions is seeking a highly skilled Space Protection ... Engineer to provide Systems Engineering and Technical Advisory (SETA)...delivery. Required Qualifications + US Citizenship and an active TS /SCI clearance with polygraph. + Bachelor's Degree in Science,… more
    Stratos Solutions (12/09/25)
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  • Senior Platform DevOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with Polygraph At Raytheon, the foundation of everything we do is rooted ... problems that create a safer, more secure world. As a **Senior Platform DevOps Engineer ** , you will herald a transformative era in software engineering, one that… more
    RTX Corporation (11/29/25)
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