• Network Security Engineer

    EchoStar (Littleton, CO)
    …whiteboarding or technical assessment session.** We are seeking a highly skilled and strategic Network Security Engineer to join our team The ideal candidate ... resolve security issues. **Key Responsibilities:** + Design, implement, and manage network security solutions (firewalls, NAC, VPNs, PKI, AWS security )… more
    EchoStar (10/30/25)
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  • Platform Network Engineer II

    RTX Corporation (Aurora, CO)
    … technologies, services, operations, and associated security practices. The **Platform** ** Network Engineer II ** will primarily work in our Aurora ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...that create a safer, more secure world. The **Platform Network Engineer II ** will perform… more
    RTX Corporation (08/16/25)
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  • Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …about creating and managing for highly complex systems? Join our team! As a Systems Security Engineer II , you will be using your skills and expertise ... **Responsibilities:** + Design, test, and implement secure classified information systems, network , environments, and capabilities + Manage and engineer more
    Sierra Nevada Company, LLC (09/10/25)
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  • Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …about creating and managing for highly complex systems? Join our team! As a Systems Security Engineer II , you will be using your skills and expertise ... deliveries. **Qualifications You Must Have:** + Bachelor's degree in Systems Security , Network Engineering, Information Technology, or related Engineering… more
    Sierra Nevada Company, LLC (10/08/25)
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  • Security Engineer II

    Trustmark (Denver, CO)
    …best to our colleagues, clients and communities. We are seeking a highly skilled Cyber Security Engineer to join our team and play a pivotal role in safeguarding ... of cybersecurity frameworks and standards (eg, NIST, ISO 27001). + Proficiency in network security , systems security , application security , and data … more
    Trustmark (09/20/25)
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  • Security Engineer II

    EchoStar (Englewood, CO)
    …live whiteboarding or technical assessment session.** **Key Responsibilities:** + Manage security -centric infrastructure components such as IPS, IDS, DLP, AV and ... scanning tools + Identify, track and help remediate vulnerabilities and other security concerns + Review and provide system security requirements/guidance on… more
    EchoStar (10/02/25)
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  • Platform Engineer II / Full Stack…

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. We are seeking a highly motivated **Platform Engineer II / Full Stack Developer** . The ideal candidate will have ... DevOps/DevSecOps & Modernized technologies focused on Cloud based technologies. The **Platform Engineer II / Full Stack Developer** would be involved with the… more
    RTX Corporation (09/19/25)
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  • Operational Technology Network Architect I,…

    Tri-State Generation and Transmission Association, Inc. (Westminster, CO)
    …using firewalls and virtual private networks (VPNs). + Implement and maintain network security devices such as next-generation firewalls (NGFW), intrusion ... Network Architect I, job grade 7; OT Network Architect II , job grade 8, OT...and other industry regulations and standards. + Conduct regular network security assessments, vulnerability scans, and penetration… more
    Tri-State Generation and Transmission Association, Inc. (08/15/25)
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  • RF Engineer (Level II )

    Lockheed Martin (Littleton, CO)
    …Lockheed Martin Space:** Space is a critical domain, connecting our technologies, our security , and our humanity\. While others view space as a destination, we see ... focusing on resiliency and urgency through our 21st Century Security (R) vision\. We're erasing boundaries and forming partnerships across...more\. **About the Role:** We are seeking an RF Engineer to join our team in designing, developing, and… more
    Lockheed Martin (08/30/25)
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  • Engineer II RF Antenna

    BAE Systems (Westminster, CO)
    …Other incentives may be available based on position level and/or job specifics. ** Engineer II RF Antenna** **116791BR** EEO Career Site Equal Opportunity ... CST, FEKO, HFSS, and SENTRI. + RF antenna testing experience utilizing network analyzers, PNAs, anechoic chambers, near-field ranges, etc. + Experience and… more
    BAE Systems (10/10/25)
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  • Cloud Engineer II

    ASM Research, An Accenture Federal Services Company (Denver, CO)
    …an on-prem Azure DevOps CI/CD Pipeline. + Utilize scans to ensure Security Technical Implementation Guide (STIG) Compliance on both Linux and Windows Servers. ... deliver timely and effective provisioning of new hosts. + Formulate detailed network , storage, and compute design specifications for stable and secure computing… more
    ASM Research, An Accenture Federal Services Company (10/11/25)
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  • Network Engineer (Levels 2, 3)

    CACI International (Denver, CO)
    Network Engineer (Levels 2, 3) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... standardization, and industry best practices + Follows all Customer network security processes and procedures, and ensures...degree.)_ + DoD 8140.01 and DoD 8570.01-M IAT Level II compliant Skills & Technologies: + DoD Architecture Framework… more
    CACI International (08/11/25)
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  • Cyber Security Engineer Technical…

    Lockheed Martin (Littleton, CO)
    …Together, we'll build a better tomorrow\. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This new and ... emerging need is for a Security Operations Information System Security Manager \(ISSM\)...and updating software and hardware assets, perform system and network scanning, evaluations, and remediations, as well as champion… more
    Lockheed Martin (10/04/25)
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  • DevSecOps / Cloud Engineer

    DCCA (Broomfield, CO)
    …or a related technical field is required plus 2 or more years related experience. * Engineer II (CT9): BS degree or higher in Engineering or a related technical ... DevSecOps / Cloud Engineer Location Broomfield, CO Job Code 2441 #...of a Software Factory to operate across a multi-site network . Monitor and maintain the operation of the software… more
    DCCA (08/29/25)
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  • Journeyman Cybersecurity Engineer

    V2X (Aurora, CO)
    …BIM. + Provides Tier 3 engineering services. + Provides expertise in network protection needs assessment, requirements elicitation, security architecture, threat ... battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our… more
    V2X (10/10/25)
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  • Principal Field Service Engineer /Sr.…

    Northrop Grumman (Aurora, CO)
    …DoD 8570.1-M at the IAT II or IAT III Level + Must have Security + and be current with Continuing Education (CE) requirements: CCNA Security , GSEC, and SSCP ... mission. Northrop Grumman Space Systems is looking to add a **Principal Electronics Engineer - Field Service Engineer (FSE)/Sr. Principal Electronics Engineer more
    Northrop Grumman (10/07/25)
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  • Senior. Platform DevSecOps Engineer

    RTX Corporation (Aurora, CO)
    …(Eg Python, Java, Ruby, Bash, C++, C#, Go) + Must meet DoD 8570 IAT level II requirements ( Security + CE or equivalent) + Active and current US government TS/SCI ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...a safer, more secure world. As a **Senior DevSecOps Engineer ** , you will herald a transformative era in… more
    RTX Corporation (10/07/25)
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  • Senior DFX Manufacturing Engineer

    Lockheed Martin (Littleton, CO)
    …and impact\.** - - - Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as a destination, we see it as ... focusing on resiliency and urgency through our 21st Century Security (R) vision\. - - - **What is the mission?**...our states, and our communities\! **Learn about the Trident II D5 Fleet Ballistic Missile\.** - - - **What… more
    Lockheed Martin (10/29/25)
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  • Principal Electromechanical Engineer

    Northrop Grumman (Aurora, CO)
    …DoD 8570.1-M at the IAT II or IAT III Level + Must have Security + and be current with Continuing Education (CE) requirements: CCNA Security , GSEC, and SSCP ... history. Northrop Grumman Space Systems is seeking an **Principal** **Electr** **omechanical Engineer ** to join our team. This position would be based in Aurora,… more
    Northrop Grumman (09/20/25)
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  • Principal/Senior Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …of Linux system design, administration, and sustainment (no Windows!), cyber security , network and hardware engineering, Algorithm development, and analysis. ... are looking for a Principal or Senior Principal Systems Engineer to join our team at Buckley Space Force...PKI, identity management, etc. + DoD 8570 IAT Level II (or higher) Certification: CISSP, CompTIA Security +,… more
    Northrop Grumman (08/22/25)
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