• Senior Principal Java/C++ Cloud Architect (Onsite)

    RTX Corporation (Aurora, CO)
    …with message brokers such as RabbitMQ, ActiveMQ, or Kafka. + Active and transferable Top Secret US government issued security clearance is required prior to ... The team members are multi-disciplined and contribute across all phases of systems engineering , software development, integration and test, and metrics. The team… more
    RTX Corporation (10/29/25)
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  • Electrical Systems Integrator - Senior

    Lockheed Martin (Littleton, CO)
    …and execution with an understanding of all the interdependencies * Active or Current Top Secret security clearance with eligibility for SCI \- T5 investigation ... Systems Engineering \(e\.g\. C&DH, GN&C, Electrical Power, COMMS, RF, Software , etc\.\) * Knowledge and application of Systems Integration functions, including… more
    Lockheed Martin (01/07/26)
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  • Space System Demo Chief Engineer (CE)

    Lockheed Martin (Louisville, CO)
    …Space and supporting enterprise initiatives In this capacity you will: * Operate as engineering lead for the Demo\. Driving technical engineering decisions ... and ConOps * Ability to obtain and maintain a Top Secret security clearance **Desired Skills:** *...**Desired Skills:** * Prior experience as a CE, Systems Engineering lead or certified RSE, CPE or… more
    Lockheed Martin (12/13/25)
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  • Fault Protection Systems Engineer

    Lockheed Martin (Littleton, CO)
    Engineering * Python or similar tool \(i\.e\. C, C\+\+, MATLAB, Java\) * Active Top Secret with ability to obtain SCI **Desired Skills:** * Model Based ... will work under the direction of the FM Team Lead and will be responsible for ensuring FDIR products...other contractors and customers * Experience in Systems Engineering and Software or Test … more
    Lockheed Martin (12/06/25)
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  • Systems Engineer Senior Staff (Level 5)

    Lockheed Martin (Littleton, CO)
    …space agencies or defense programs * Ability to obtain and maintain a Top Secret /SCI Security Clearance, thus US Citizenship is required **Desired Skills:** ... prime contractors, and multi\-organization technical teams * Proven ability to lead multi\-disciplinary engineering teams and manage complex project schedules… more
    Lockheed Martin (12/30/25)
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  • Electronics Responsible Engineer IV

    Lockheed Martin (Littleton, CO)
    …to start in this position, you will need to obtain and maintain a **DoD Top Secret clearance** , thus **US Citizenship is required** \. **Basic Qualifications:** ... FPGA and/or ASIC design, Circuit Card Assembly \(CCA\) design, Embedded Software , FPGA Gateware, Systems Engineering /Requirements Management, Systems Integration… more
    Lockheed Martin (01/08/26)
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  • Survivability & Nuclear Hardness Engineer (Level…

    Lockheed Martin (Littleton, CO)
    …to start\. * Candidates must have the ability to obtain \(and maintain\), a Top Secret security clearance for long\-term employment on this program\. **Desired ... Ballistic Missile\. As a Survivability Staff Engineer, you will lead and / or support the Specialty Engineering...9 years or more of professional experience * Active Top Secret security clearance **Security Clearance Statement:**… more
    Lockheed Martin (12/06/25)
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  • Senior Software Architect/Designer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …VPN, VPC, Firewalls, & CPN + Ability to design software solutions to complex engineering problems + Ability to lead teams in software development, and ... regulations + Must have and maintain a US Gov TOP SECRET / SCI clearance. Preferred Skills...developer, Cloud network developer, Software Integration Engineer, Software Architect, Lead Software Designer,… more
    Kratos Defense & Security Solutions, Inc. (11/08/25)
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  • Cybersecurity Engineer Lead

    CACI International (Colorado Springs, CO)
    … Job Category: Security Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% ... assignments + May supervise others **Qualifications:** _Required:_ + Currently hold an adjudicated Top Secret /SCI Clearance with the ability to maintain it +… more
    CACI International (10/24/25)
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  • Principal Change Management Lead - Systems…

    RTX Corporation (Aurora, CO)
    …in support of government or defense programs. + Experience with large-scale Agile Software development process + Active and transferable TS /SCI US government ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI without Polygraph At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (11/28/25)
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