• Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    systems , and virtual systems + Knowledge of Windows and Linux systems , general operating system security practices, TCP/IP networking, 802.1x, and network ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
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  • Senior Specialist, Integration/Test…

    L3Harris (Herndon, VA)
    …land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Integration & Test Engineer Job Code: 31128 Job Location: Herndon, VA ... skilled and experienced Integration and Test Engineer with a strong background in Software Engineering and Computer Science. The ideal candidate will have system more
    L3Harris (11/21/25)
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  • Senior Malware Engineer

    Leidos (Alexandria, VA)
    …known ports and services; + Demonstrated advanced experience with the Windows operating system and other operating systems (eg, Linux or Unix); + Demonstrated ... **Description** Leidos has a current job opportunity for a ** Senior Malware Engineer** on the DISA GSM-O program in...a standard process for the capturing and analysis of software artifacts suspected of being malicious code. This analysis… more
    Leidos (10/31/25)
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  • Network Engineer - Senior

    Oneida Technical Solutions (Fort Belvoir, VA)
    …with activities such as, installation of new modified hardware, operating systems and software applications ensuring compliance with Information Assurance ... a 24-hour, 7-day-a-week on call basis, supporting the network system , and configuring and supporting the use of DOD...SONET multiplexers, servers, storage area nodes (SANs), cable management systems and other network enhancements down to the Edge… more
    Oneida Technical Solutions (01/09/26)
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  • Senior Data Scientist

    Leidos (Springfield, VA)
    **Description** Leidos is actively interviewing for a Senior Data Scientist to join our team in Springfield, VA. This team member will collect, process, and perform ... experience performing geospatial data management, including data type conversions coordinate systems in (latitude and longitude, UTM) and their conversions and… more
    Leidos (01/03/26)
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  • Senior Applied Scientist - Agentic AI

    Oracle (Richmond, VA)
    …at scale. Leveraging our foundational strengths in data management and enterprise software applications, we are advancing our platforms and applications by deeply ... generative AI, and innovations in machine learning and optimization.We are seeking a Senior Applied Scientist (with a PhD preferably) to perform innovation in AI… more
    Oracle (12/16/25)
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  • Senior HRIS Analyst

    TAD PGS, Inc. (Reston, VA)
    …assist in establishing new controls , as needed. + Aids in coordinating system and security administration for multiple HRIS/Payroll-related systems as needed. + ... in theReston, VAsurrounding area. Responsible for Human Resource Information Systems (HRIS) set up and maintenance, optimization, reporting, testing,… more
    TAD PGS, Inc. (01/13/26)
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  • Senior DevOps Engineer (AI/Cloud…

    St. George Tanaq Corporation (Richmond, VA)
    Senior DevOps Engineer (AI/Cloud Modernization) Fully Remote Job Type Full-time Description **Overview** Tanaq Technical Services (TTS), a division of St. George ... visit https://tanaq.com/tanaq-technical-services. **About the Role** We are seeking a ** Senior DevOps Engineer** to provide AI/Cloud Modernization support the… more
    St. George Tanaq Corporation (01/10/26)
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  • Senior Infrastructure Platform Lead

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a ** Senior Infrastructure/Platform Lead** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large ... the NRO's Ground Enterprise Directorate (GED), responsible for the acquisition of systems over the complete end-to-end life cycle. The role requires an active… more
    SAIC (12/25/25)
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  • Senior Machine Learning Engineer

    Capital One (Richmond, VA)
    Senior Machine Learning Engineer Job Description As a Capital One Machine Learning Engineer (MLE), you'll be part of an Agile team dedicated to productionizing ... machine learning applications and systems at scale. You'll participate in the detailed technical...of a cross-functional Agile team to create and enhance software that enables state-of-the-art big data and ML applications.… more
    Capital One (12/18/25)
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