• Sr . Security Research

    Proofpoint (Maryland City, MD)
    …highly technical role has a direct and real-time impact protecting Proofpoint customers. As a Senior Security Research Engineer on Proofpoint's Threat ... of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks...bring to the team** * A passion for threat research and a well-rounded yet deep understanding of the… more
    Proofpoint (10/22/25)
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  • Data Engineer , Sr .

    Chenega Corporation (Reston, VA)
    …specifically related to the functional components. Additionally, theData Engineer Sr .provides insight and advice to senior managers and executives concerning ... Data Engineer , Sr . Reston, VA Join our...the ability to inform on data aggregation and associated security implications + Lead contributions to the development of… more
    Chenega Corporation (09/12/25)
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  • Sr . Network Engineer

    Arena Technical Resources, LLC (Reston, VA)
    Sr . Network Engineer Location: Reston, VA, US Job ID: ATR 17711 Job Description Job Title: Sr . Network Engineer Location: Reston, VA - Onsite, SCIF ... CI Polygraph Job Description: The job duties of the Sr . Network Engineer are as follows: -...engineer overseeing servers, storage and backup systems. Troubleshootport security issues, VLAN issues and network outages. Control network… more
    Arena Technical Resources, LLC (11/29/25)
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  • Sr . Security Engineer , WAF

    Warner Bros. Discovery (Silver Spring, MD)
    …out of our Atlanta, DC, or Silver Spring office. **Your New Role** **:** As a Senior WAF Security Engineer - Edge/Perimeter, the ideal candidate is expected ... elements, standards, and solutions for various technologies to achieve optimal security posture while delivering on business goals Research emerging threats… more
    Warner Bros. Discovery (10/21/25)
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  • Sr . Security Engineer

    Amazon (Arlington, VA)
    …deployment and operation of several mission-critical security systems and mechanisms. As a Senior Security Engineer on the Kuiper Security Incident ... team drives the research & development,...levels of seniority (up to and including Chief Information Security Officer). * Escalate issues to senior more
    Amazon (11/26/25)
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  • Sr . Systems Engineer II…

    Exelon (Washington, DC)
    …build a rewarding career. Are you in? **Primary Purpose** The IT Sr Systems Engineer II position serves as a senior technical role within the IT department. ... and optimization of complex systems under the guidance of a Principal Engineer or Manager. Collaborates with IT architecture to define strategy and work… more
    Exelon (11/26/25)
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  • Sr . Security Engineer

    Amazon (Arlington, VA)
    …an opportunity to secure an advanced satellite based broadband telecom service? The Kuiper Security team owns the security of product and operations of Project ... end-to-end. We provide the necessary infrastructure and mechanisms to ensure the security of our satellite constellation and to protect the integrity and… more
    Amazon (10/31/25)
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  • Sr Principal Software Engineer

    Oracle (Washington, DC)
    …This is a rare opportunity to define and drive adoption of foundational security capabilities that combine cutting-edge research with practical deployment in one ... **Job Description** Oracle Cloud Infrastructure (OCI) Security and Identity Product org builds cloud services...strategy to drive rapid customer and partner adoption of security products. You will also own collecting customer inputs… more
    Oracle (11/25/25)
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  • Sr . System Admin, IT Engineer III

    TekSynap (Washington, DC)
    …a US Citizen + Must successfully obtain a Public Trust **Overview** We are seeking a Sr . Systems Admin, IT Engineer III to join our team supporting Joint Service ... **Responsibilities & Qualifications** **RESPONSIBILITIES** + Provide senior systems administrators and support to all incident...and cross-training. In addition, team members are expected to research and contribute to a shared knowledge base to… more
    TekSynap (10/16/25)
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  • Principal/ Sr . Principal Systems Test…

    Northrop Grumman (Annapolis Junction, MD)
    …Active US Government security clearance per customers' requirements **Basic Qualifications for Sr Principal Systems Test Engineer :** + A degree in a STEM ... ASSISTANCE: No relocation assistance available CLEARANCE TYPE: A US Government security clearance per customer's requirements. TRAVEL: Yes, 10% of the Time… more
    Northrop Grumman (11/07/25)
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  • Sr . Software Engineer

    L3Harris (Columbia, MD)
    …sea and cyber domains in the interest of national security . Job Title: Sr . Specialist, Software Engineer Job Code: 29459 Job Location: Columbia MD Job ... seeking a highly motivated, team oriented embedded software design engineer who will be a member of a cross...of engineering designs is also desired. Essential Functions: + Research , design, develop, modify and evaluate embedded computer software… more
    L3Harris (10/08/25)
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  • SR Electrical and RF Engineer

    KBR (Columbia, MD)
    Title: SR Electrical and RF Engineer Job Posting Description Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end ... solutions to our customers in the intelligence and national security communities. In this position, your work will have...through all phases of the process (from inception through research , development to assembly & testing). + Performing … more
    KBR (11/15/25)
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  • Sr Principal Cyber Software Engineer

    Northrop Grumman (Annapolis Junction, MD)
    …within Northrop Grumman. We are looking for you to join our team as a Sr Principal Cyber Software Test Engineer based out of Annapolis Junction, MD. **What ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to… more
    Northrop Grumman (11/12/25)
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  • Sr . Reverse Engineer

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is seeking a Sr .R everse Engineer for up-and-coming projects where you will design, develop, prototype, modify , and integrate solutions to ... This fast-paced and dynamic environment demands a flexible, highly-motivated engineer with a strong desire to learn new skills...and tackle evolving challenges that are critical to national security . What you will do + Augment existing toolsets… more
    BigBear.ai (09/11/25)
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  • Sr Staff Cyber Software Engineer

    Northrop Grumman (Annapolis Junction, MD)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to ... best work of your career. We are looking for you to join our team as a Sr Staff Cyber Software Tester based out of Annapolis Junction, MD. **What You'll get to Do:**… more
    Northrop Grumman (11/21/25)
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  • Sr . Software Engineer

    Huntington Ingalls Industries (Annapolis Junction, MD)
    …Technologies, Cyber & Intelligence Team is looking for a Sr . Software Engineer to support Cyber Security Operations missions by designing and implementing ... Number: 23393 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Security Clearance: TS/SCI with Poly Level of Experience: Mid This opportunity… more
    Huntington Ingalls Industries (11/21/25)
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  • Sr . Software Engineer

    Huntington Ingalls Industries (Annapolis Junction, MD)
    …Technologies, Cyber & Intelligence Team is looking for a Sr . Software Engineer to support Cyber Security Operations missions by designing and implementing ... Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $98,000.00 - $130,000.00 Security Clearance: TS/SCI with Poly Level of Experience: Mid This… more
    Huntington Ingalls Industries (09/04/25)
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  • Sr Principal Engineer Quality

    Northrop Grumman (Elkridge, MD)
    …of history, they're making history. Northrop Grumman Mission Systems is looking for a Sr . Principal Quality Engineer with experience in quality to join our team ... material, production control, product evaluation and reliability, inventory control and/or research and development as they apply to product or process quality.… more
    Northrop Grumman (09/23/25)
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  • AI/ML Engineer with RE/VR proficiency and…

    Cipher Tech Solutions (Vienna, VA)
    …maintaining strong proficiency in software development, reverse engineering, and vulnerability research . You will apply your foundational knowledge of RE, VR, and ... proficiency in reverse engineering with an aptitude for performing vulnerability research . + Must be possess strong verbal/written communications skills that enable… more
    Cipher Tech Solutions (11/19/25)
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  • Sr . Principal Radar Systems…

    Leonardo DRS, Inc. (Germantown, MD)
    …infrastructure protection, and border surveillance. **Job Summary** The Radar Systems Engineer will be responsible for the definition of radar system architectures, ... in a dynamic and collaborative development environment in support of multiple research and development efforts, working with internal and external customers across… more
    Leonardo DRS, Inc. (11/06/25)
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