• Security Engineer III

    Evolent (Washington, DC)
    …Join Evolent for the mission. Stay for the culture. **What You'll Be Doing:** The Security Engineer III is responsible for designing and implementing robust ... posture through comprehensive security design, implementation, and management. The Security Engineer III will work closely with cross-functional teams to… more
    Evolent (10/08/25)
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  • Cyber Security Engineer III

    Virtual Service Operations (Arlington, VA)
    Cyber Security Engineer III * Arlington, VA (http://maps.google.com/maps?q=Arlington+VA+USA) Description Are you looking to take the next steps in your ... career as a Cyber Security Engineer III ? Let's chat and see if we are a good match! Opportunity: Virtual Service Operations is actively seeking a talented… more
    Virtual Service Operations (09/11/25)
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  • Information System Security Eng (ISSE)…

    Global Resource Solutions (Arlington, VA)
    …motivated, detail orientated, and talented individual for the position of Information System Security Engineer III . Job Description: Summary: The Information ... System Security Engineer (ISSE) III , is primarily responsible for conducting information system security engineering activities with a focus on lifecycle… more
    Global Resource Solutions (09/26/25)
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  • Software Engineer III

    TheIncLab (Mclean, VA)
    …and where your career can meet purpose as well. We are looking for a Senior Software Engineer III to join our R&D team. We encourage you to apply and take the ... Mission, Should You Choose to Accept As a Software Engineer III on our R&D team, you...Citizen and willing and eligible to obtain a US Security Clearance at the Secret or Top-Secret level. Existing… more
    TheIncLab (09/26/25)
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  • Wi-Fi Network Engineer III

    Epsilon, Inc (Washington, DC)
    **Wi-Fi Network Engineer III ** **Epsilon is now part of AMERICAN SYSTEMS!** We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS. Together, we're ... and data networks. **An average day:** As Wi-Fi Network Engineer III , you are expected to be...Firewall Management Center + Implementation of Patches, Upgrades and Security Compliance Standards on all network devices. + Operate… more
    Epsilon, Inc (09/25/25)
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  • Network Engineer III

    William C Brown Inc (Springfield, VA)
    Network Engineer III EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... by law. Description WCBinc is looking for a Network Engineer to provide support for LAN/WAN by developing network...+ Maintains a thorough knowledge of existing network and/or security hardware and software in use to provide third-tier… more
    William C Brown Inc (09/01/25)
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  • Engineer III , IT Cloud

    PenFed Credit Union (Mclean, VA)
    …it's about being a part of the PenFed family. PenFed is hiring a (Hybrid) Engineer III , IT Cloud at our Tysons, Virginia location. The primary purpose of ... logging and other development tools. + Collaborate with Cyber Security team in periodic reviews of the cloud ...Security team in periodic reviews of the cloud security in order to implement strong security more
    PenFed Credit Union (09/14/25)
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  • Network Engineer III

    CACI International (Springfield, VA)
    Network Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... implementation, and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key technical leader, driving the evolution of… more
    CACI International (10/07/25)
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  • Network Engineer III

    CACI International (Springfield, VA)
    Network Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... an exciting and challenging opportunity available for a Network Engineer who performs research, requirements analysis, design, installation, documentation,… more
    CACI International (09/13/25)
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  • Machine Learning Engineer III

    AeroVironment (Centreville, VA)
    **Worker Type** Regular **Job Description** **_Summary_** The **Machine Learning Engineer III ** will be a member of the Learning and Active Perception (LEAP) ... Citizenship required + Active Secret level (or higher) DoD security clearance + Willingness and ability to travel (Occasionally...missile systems. Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading… more
    AeroVironment (08/09/25)
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  • Flight Test Engineer III

    AeroVironment (Arlington, VA)
    **Worker Type** Regular **Job Description** Summary The Flight Test Engineer III designs, develops, and implements cost-effective methods of testing and ... missile systems. Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading...government contracts and have the ability to obtain a security clearance. **About AV:** **AV isn't for everyone. We… more
    AeroVironment (09/07/25)
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  • Support Engineer III -Ext

    Amazon (Herndon, VA)
    …POSITIONS AVAILABLE Employer: AMAZON WEB SERVICES, INC. Offered Position: Support Engineer III -Ext Job Location: Herndon, Virginia Job Number: AMZ9162063 ... implementation for key customers regarding troubleshooting, performance, cost, and security optimization around cloud-based compute, network, storage, memory, virtual… more
    Amazon (09/11/25)
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  • Full Stack Engineer III

    DSPolitical (Washington, DC)
    …dynamic, client-centered environment and join DSPolitical's Engineering team. As a Full Stack Engineer III , you will build new features for and maintain existing ... of the nuances of running production web applications including: logging and security . + Strong experience with automated testing and other quality assurance… more
    DSPolitical (09/27/25)
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  • Nondestructive Evaluation Engineer Level…

    Precise Systems, Inc. (Bethesda, MD)
    …and the Precise solution. We are seeking a highly skilled Nondestructive Evaluation (NDE) Engineer - Level III to join our team supporting advanced inspection ... and simulation of NDT. Must be able to obtain and maintain a Secret security clearance. Due to the sensitivity of customer related requirements, US Citizenship is… more
    Precise Systems, Inc. (10/03/25)
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  • Software Development Engineer III

    Amazon (Herndon, VA)
    …cloud operations across AWS The candidate selected must obtain and maintain a security clearance at the TS/SCI with polygraph level. Upon start, the selected ... audiences A day in the life As an SDE III on our team, you'll collaborate with engineers, product...stakeholders to understand requirements and constraints - Work with security teams to ensure solutions meet compliance requirements -… more
    Amazon (08/14/25)
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  • ADC Engineer III , Amazon Dedicated…

    Amazon (Arlington, VA)
    …of the largest cloud infrastructure on the planet? AWS is seeking a ADC Engineer to own and advance mission critical services in our Amazon Dedicated Clouds (ADC). ... instinctively know how to make work fun. A successful Engineer joining the team will do much more than...selected must currently possess and maintain an active TS/SCI security clearance with polygraph. The position further requires the… more
    Amazon (08/21/25)
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  • Systems Integration and Test Engineer

    Solvarus (Chantilly, VA)
    …quickly aid the people who need it. As a Systems Integration and Test Engineer you will be a member of the Verification, Validation and Transition team responsible ... recommendations to the customer and other stakeholders. Qualifications: + Active TS/SCI Security Clearance + BS STEM degree + Verification, Validation and Transition… more
    Solvarus (08/04/25)
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  • Engineer III

    Marriott (Washington, DC)
    …to train and mentor other engineers as necessary. Display ability to perform Engineer on Duty responsibilities, including readings and rounds. Follow all company and ... safety and security policies and procedures; report any maintenance problems, safety hazards, accidents, or injuries; complete safety training and certifications;… more
    Marriott (09/17/25)
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  • Cyber Security Operations Specialist…

    CACI International (Springfield, VA)
    Cyber Security Operations Specialist III - Tier...Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in cybersecurity incident ... part of a highly skilled team dedicated to protecting national security interests. **Responsibilities:** + Coordinate and implement tasks during cybersecurity… more
    CACI International (08/23/25)
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  • IT Security Specialist III

    Gama-1 Technologies (Silver Spring, MD)
    …(eg, AWS Certified Security - Specialty, Microsoft Certified: Azure Security Engineer Associate) Work authorization/ security clearance requirements + ... Summary GAMA-1 Technologies, LLC seeks an experienced IT Security Specialist III to strengthen program efficiency, effectiveness, and consistency through timely,… more
    Gama-1 Technologies (10/08/25)
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