• Senior Principal DevOps Lead Engineer

    RTX Corporation (Fulton, MD)
    …Collins Aerospace is currently seeking a self-motivated and talented **Senior Principal ** **DevOps Lead Engineer** who is seeking a challenging new opportunity. ... Agile concepts and methodologies + Working knowledge of system administration (RHEL, Windows ) and networking + Experience with DoD Enterprise DevOps initiatives and… more
    RTX Corporation (10/17/25)
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  • Principal Network Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... technologies, scripting skills with shell, python, PERL and the like, supporting Windows and Unix environments, as well as proven experience installing and… more
    Leidos (10/31/25)
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  • Principal Test Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... within a commercial cloud environment. Flexible cross-training to also provide systems engineering, software development, training, and security. Job duties are… more
    Leidos (10/31/25)
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  • Principal Member of Technical Staff

    Oracle (Annapolis, MD)
    …networking stack, process scheduling, and memory management, to build and troubleshoot cutting-edge systems across Linux and Windows Operating systems + ... technical and business impact designing and building innovative new systems to power our customer's business critical applications. Looking...C++ Development with OS Kernel Internals across Linux and Windows + Experience with Golang is a plus +… more
    Oracle (11/25/25)
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  • Senior Principal Offensive Security…

    Oracle (Annapolis, MD)
    …(OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The ... . Are you interested in building large-scale distributed security systems and tools for the cloud? Do you love...code-coverage analysis + Several different hypervisors + Linux and Windows kernel mode non-sense + The list goes on… more
    Oracle (11/25/25)
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  • Integration Cyber Security Engineer…

    Amentum (Fort Meade, MD)
    …* Demonstrated experience in security requirements associated with DoD Enterprise systems * Understanding of secure integration of applications, platforms, and tools ... across enterprise or defense systems * Develop and enforce security controls within integrated...Experience with Splunk, Forescout, ACAS/NESSUS * Experience with Linux, Windows Server and workstations, Red Hat and CentOS. *… more
    Amentum (11/18/25)
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  • Senior & Principal Software Developers…

    Oracle (Annapolis, MD)
    …etc.) preferred * Experience developing for and/or administering a variety of operating systems ( Windows Server/Linux) * Thirst for learning and mastering new ... with developing, debugging or designing software applications or operating systems according to provided design specifications in hybrid environments (on-prem… more
    Oracle (11/25/25)
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  • Senior Principal Vulnerability Researcher

    Nightwing (Annapolis Junction, MD)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... to our national security, apply today! **Job Description** Use advanced systems to find zero-day (O-day) vulnerabilities. Responsible for analyzing, designing, and… more
    Nightwing (10/31/25)
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  • Principal Vulnerability Researcher

    Nightwing (Annapolis Junction, MD)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... and commercial markets. **Job Description Vulnerability Researcher:** Use advanced systems to find zero-day (O-day) vulnerabilities. Responsible for analyzing,… more
    Nightwing (10/28/25)
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  • Principal Professional Services Consultant

    Rocket Software (Annapolis, MD)
    …databases, such as IBM DB2/UDB, Oracle, Microsoft SQL Server, PostgreSQL, etc. + Windows operating system + Linux/UNIX operating system + Knowledge of major Cloud ... the clothes we wear to the cars we drive, Rocket solutions power the back-end systems that thousands of brands rely on every day. At Rocket, software is about more… more
    Rocket Software (11/19/25)
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