• Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... incident response. As the security section grows, so will the tools and the ** Senior Security Engineer ** will be the person charged with implementing them. The… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment...availability solutions, network management systems , and virtual systems + Knowledge of Windows and Linux… more
    ManTech (12/13/25)
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  • Principal Systems Engineer

    V2X (Springfield, VA)
    …and the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior -level Principal Systems Engineer shall lead a diverse, multi- ... with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our government… more
    V2X (11/25/25)
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  • Senior Electrical Engineer

    Bechtel Corporation (Reston, VA)
    …to join our team for this very interesting opportunity! # Job Summary: As a Senior Electrical Engineer , you must have solid experience in electrical systems ... installation and maintenance. # Major Responsibilities: + Performs Electrical Systems engineering activities, which may include the use of...how to use computer programs such as the Microsoft WINDOWS suite of programs. + Ability to cope with… more
    Bechtel Corporation (12/15/25)
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  • Senior Malware Engineer

    Leidos (Alexandria, VA)
    **Description** Leidos has a current job opportunity for a ** Senior Malware Engineer ** on the DISA GSM-O program in Alexandria, VA.An active Top Secret security ... ports and services; + Demonstrated advanced experience with the Windows operating system and other operating systems ...the Windows operating system and other operating systems (eg, Linux or Unix); + Demonstrated experience with… more
    Leidos (10/31/25)
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  • Senior Engineer - DevOps…

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance​ **Security Clearance:** Secret - Current ** Senior Engineer - DevOps / Infrastructure** **(Onsite)** This position requires ... YAML and XSD formats, rules, and usages. + Experience working in Linux and Windows environments. + Experience and/or interest in refactoring legacy systems for… more
    RTX Corporation (01/08/26)
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  • Senior Software Development Engineer

    Oracle (Richmond, VA)
    …to new and existing products and establish consensus with data-driven approaches. As a Senior Software Engineer with 6+ years of experience, you will be a ... with developing, debugging or designing software applications or operating systems according to provided design specifications. Build enhancements within an… more
    Oracle (01/03/26)
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  • Senior Splunk Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career, and customer-oriented ** Senior Splunk Cyber Security Engineer ** to join our team in **Chantilly, VA.** In this role, you ... play a key role in maintaining and tuning Splunk systems , while collaborating with technical teams and cyber analysts...(ES) operations and configurations + Proficiency with Unix and Windows environments + DoD 8570 IAT Level II certification… more
    ManTech (12/30/25)
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  • Senior Network Engineer

    Parsons Corporation (Quantico, VA)
    …redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented ** Senior Network Engineer ** to join our team! **What You'll Be ... CGI, HTML, and Active Server Pages (ASP); and operating systems such as Solaris and Windows NT. + Applies advanced principles, theories, and concepts. +… more
    Parsons Corporation (11/15/25)
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  • Machine Learning Engineer - Senior

    SOS International LLC (Chantilly, VA)
    …worldwide. **Job Description** **Overview** SOSi is seeking a skilled Machine Learning Engineer to support a US government customer in Chantilly, VA. In this ... as object detection, data triage, search/optimization, image/video analysis, facial recognition , behavior detection, and automated discovery. + Apply excellent… more
    SOS International LLC (11/21/25)
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