• Senior Testing Engineer (Manual)

    Leidos (Frederick, MD)
    **Description** Leidos has openings for Senior Software Engineers in Frederick, MD, to support the RD Voice Development team. As a Software Engineer you will be ... experience testing solutions and software products, including installing and configuring LINUX operating systems and applications, scripting and collecting system /… more
    Leidos (10/01/25)
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  • Senior Information Security Engineer…

    Lumen (Annapolis, MD)
    …the world and shape the future. **The Role** Lumen Technologies is seeking a Senior Information Security Engineer who can be part of planning, engineering and ... understanding of common computing platforms, including: Windows, RedHat & Ubuntu Linux Servers. + Experience in analyzing general system processing throughput,… more
    Lumen (09/30/25)
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  • Senior Storage Engineer

    ManTech (Camp Springs, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Storage Engineer ** to join our team in **Camp Springs, MD.** This is a hybrid position. ... or update Enterprise Storage policy and processes. + Provide the Network Operations Center (NOC) with response procedures/scripts and notification procedures for… more
    ManTech (09/25/25)
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  • Senior Software Engineer (SWE-4)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,...using Pandas & PySpark, developing software in Red Hat Linux (versions 3 - 5+) + Experience with Jupyter… more
    Leidos (08/28/25)
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  • Senior Infrastructure / Networking…

    RTX Corporation (Annapolis Junction, MD)
    …Signal Technology (AST), a national asset in the SIGINT domain, is seeking a ** Senior Infrastructure / Networking Engineer ** who strives for excellence and has a ... with development using Python or similar scripting languages + Experience with Linux , especially Red Hat based distributions + Experience with System Administration… more
    RTX Corporation (07/20/25)
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  • Senior CNO Reverse Engineer (Cre3)

    Nightwing (Annapolis Junction, MD)
    …in the intelligence community, defense, civil, and commercial markets. Job Summary Senior CNO Reverse Engineers (CRE3) at Nightwing perform reverse engineering of ... a Bachelor's degree in the field of computer science, information systems, or network engineering and ten (10) years' experience to include 5 (five) years'… more
    Nightwing (09/22/25)
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  • Senior Mobile Software Engineer

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Software Engineer and Exploitation Capability Integrator to architect, implement and deploy cutting-edge solutions that drive ... and management of services in a variety of hosting environments including Linux and MacOS. + Experience applying modern software techniques to build scalable… more
    BigBear.ai (08/16/25)
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  • Senior Engineer - RF Test…

    Leonardo DRS, Inc. (Frederick, MD)
    …and government agencies around the world. **Job Summary** We're hiring a **Sr. Engineer , Test Engineering and Automation** in our **Frederick, MD** office. In this ... + Experience developing and working with LabVIEW based ATE + Experience with Windows/ Linux operating systems & Virtual Machines (VMs) + Experience parsing test data… more
    Leonardo DRS, Inc. (07/31/25)
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  • System Engineer (TS/SCI)- Senior…

    Vexterra Group (Bethesda, MD)
    Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the ... the cloud ecosystem. + Experience operating and maintaining systems in a Linux environment + Certification relating to Microsoft Certified Solutions Expert (MCSE)… more
    Vexterra Group (07/15/25)
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  • Senior Principal Software Engineer…

    RTX Corporation (Fulton, MD)
    …of Raytheon Technologies (RTX). We are currently looking for a talented ** Senior Principal Software Engineering, who is experienced in either C++ and/or Java, ... is an industry leader in the development of integrated Network Centric Warfare solutions for both the Domestic and...C2 programs. + Demonstrated experience developing software in a Linux environment + Supporting the research and application of… more
    RTX Corporation (07/08/25)
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