• Principal Cyber Security

    ManTech (Denver, CO)
    **Mantech** seeks a motivated and experienced ** Principal Cyber Security Engineer ** to join our team in **Denver, CO** . This role supports ... Evidence (BOE) documents, engineering artifacts, change management records, system security plans, and accreditation packages + Delivering detailed Splunk deployment… more
    ManTech (06/28/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Aurora, CO)
    …the warfighter. Come be a part of our mission. Northrop Grumman Space Systems is seeking a ** Principal Cyber Systems Engineer or Sr Principal Cyber ... being onsite and does not support remote or hybrid work._ The selected Cyber Systems Engineer will have experience with Cybersecurity implementations based on… more
    Northrop Grumman (06/11/25)
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  • Principal Cyber Engineer

    Leidos (Aurora, CO)
    …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Cyber Engineer to join a new cyber security ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics... Security Certified Professional (OSCP). + AWS Certified Security - Specialty, Azure Security Engineer more
    Leidos (03/31/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Aurora, CO)
    …Grumman Space Systems (NGSP) is seeking a highly qualified individual to join our team as a ** Principal Cyber Systems Engineer or Sr. Principal Cyber ... Security Professional (CISSP) Certification. + Ability to integrate Cyber Systems Engineering requirements with Program System Development Life Cycle (SDLC)… more
    Northrop Grumman (05/17/25)
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  • Principal Cyber Engineer

    Leidos (Aurora, CO)
    …Solutions Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Cyber Engineer to join a new cyber security ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics to support our defense and… more
    Leidos (06/28/25)
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  • Sr Principal Cyber Systems…

    Northrop Grumman (Aurora, CO)
    …be a part of our mission. Northrop Grumman Space Systems is seeking a **Sr Principal Cyber Systems Engineer ** experienced with Cross Domain Solutions (CDS) ... does not support remote or hybrid work._ The selected Cyber Systems Engineer will have experience with...Candidate will be able to create, review, and coordinate cyber security Co-Ops directly with customer representatives… more
    Northrop Grumman (06/27/25)
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  • Sr Principal Cyber Architect

    Northrop Grumman (Aurora, CO)
    …techniques to support achieving better reliability. + Experience implementing controls and cyber security solutions that align with program defined Risk ... for you to join our team as a Sr. Principal Software Engineer based out of Aurora,...development and operational support of systems that advance National Security . Our Aurora campus has numerous programs in all… more
    Northrop Grumman (04/29/25)
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  • Cyber Systems Engineer 2/3

    Northrop Grumman (Boulder, CO)
    …a strong background in cybersecurity practices, technologies, and frameworks. As a Principal Cybersecurity Engineer , you will lead initiatives to protect our ... within Northrop Grumman Space Systems is seeking a Cybersecurity Engineer 2/3. We are excited for you to join...Lead efforts to secure systems, networks, and applications against cyber threats. + Conduct security assessments, and… more
    Northrop Grumman (06/20/25)
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  • Principal Integration Engineer

    Leidos (Aurora, CO)
    …seeking a skilled Principal Integration Engineer to join a new cyber security program and play a key role in supporting government-critical systems. You ... services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics to support our defense and… more
    Leidos (03/31/25)
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  • Principal Systems Engineer

    Leidos (Aurora, CO)
    …exciting opportunity for a Principal Systems Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...impactful results. Leidos is currently looking to add a Principal Systems Engineer (SE-3) to a growing… more
    Leidos (05/28/25)
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  • Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    …a new and exciting opportunity for a Software Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team ... is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...that power real-world intelligence and mission-critical operations? As a ** Principal Software Engineer ** , you'll take on… more
    Leidos (05/29/25)
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  • Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    …opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...**Job Summary** We are seeking a highly skilled Software Engineer to design, develop, and enhance complex software systems,… more
    Leidos (05/30/25)
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  • Principal Firmware Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …systems for critical multi-domain systems. The DigitalRF DSP Software Engineer will be responsible for designing, developing, and maintaining high-performance ... provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of… more
    Sierra Nevada Company, LLC (04/29/25)
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  • Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    …a new and exciting opportunity for a Software Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team ... is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...results. Leidos is currently looking to add a Software Engineer (SWE-3) to a growing task. Tasks will include… more
    Leidos (05/22/25)
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  • Principal Level Digital Signal Processing…

    Parsons Corporation (Denver, CO)
    …75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services ... Parsons Company, is seeking qualified candidates to fill a Digital Signal Processing Engineer (DSP) positions at our headquarters in Chantilly, VA. We are currently… more
    Parsons Corporation (06/25/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of ... supporting the Department of Defense, Department of Homeland Security , commercial and international customers with years of experience in platform operations,… more
    Sierra Nevada Company, LLC (04/29/25)
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