• Zscaler (Washington, DC)
    …agility with a cloud-first strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management engineer inside ... systems, and adhering to one-way diode transfer protocols.** Reporting to the Senior Manager of Information Security Engineering, you will be responsible for: +… more
    DirectEmployers Association (11/22/25)
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  • Applied Research Solutions (Washington, DC)
    **Description** ARS is looking for a Senior Platform Engineer . As a Platform Engineer , you will play a crucial role in automating and optimizing our DevOps ... are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers.??… more
    DirectEmployers Association (12/10/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …be more with us! Job Summary: We are seeking a skilled Systems Administrator/Network Engineer to join our mission-driven team. This position offers a broad scope of ... industry standards, company policies, and regulatory requirements. + Conduct network vulnerability assessments and respond to security threats. + Support network… more
    DirectEmployers Association (12/03/25)
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  • Tyto Athene (Reston, VA)
    **Description** Tyto Athene is hiring a ** Senior Google Cloud Solutions Engineer ** to design and implement secure, scalable cloud solutions. This is both a ... protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1562/ senior -google-cloud-solutions- engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) **Location** _US-VA-Reston_ **ID** _2025-1562_… more
    DirectEmployers Association (11/04/25)
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  • AeroVironment (Centreville, VA)
    …a System Security Plan (SSP) to include continues monitoring, vulnerability risk assessments, Assured File Transfers procedures, hardware/software configuration ... training. + Oversee day-to-day information system security operations including assisting the Sr . ISSM on all technical security matters. + Perform other associated… more
    DirectEmployers Association (10/11/25)
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  • Sr Vulnerability Engineer

    Datavant (Washington, DC)
    …to realize our bold vision for healthcare. **What We're Looking For** As a ** Sr Vulnerability Engineer ** , you will be responsible for identifying, ... The candidate will have a strong technical background in cybersecurity, vulnerability scanning tools in application, infrastructure space, and risk assessment… more
    Datavant (12/13/25)
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  • DevOps Engineer , Sr .

    William C Brown Inc (Springfield, VA)
    DevOps Engineer , Sr . EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... Deliver simple solutions to complex problems as a DevOps Engineer , Sr . Here, you'll tailor cutting-edge solutions...reliability, and drive security initiatives, like access control and vulnerability testing * Work with A&A Teams to maintain… more
    William C Brown Inc (12/01/25)
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  • Sr . DevSecOps Engineer

    Leidos (Ashburn, VA)
    **Description** Leidos is seeking a skilled Sr DevSecOps Engineer to lead efforts in automating and optimizing our cloud integration pipelines for the Passenger ... and obtain a CBP Background Investigation prior to start + Proven experience as a Senior DevSecOps Engineer or similar leadership role with a strong focus on… more
    Leidos (12/05/25)
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  • Sr . DevOps Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    Sr . DevOps Engineer Location: Springfield, VA, US Job ID: ATR 17260 Job Description Title: Sr . DevOps Engineer Location: Springfield, VA ... customer. As part of the GSS Team the DevOps Engineer 's expertise is needed to support a sophisticated enterprise...reliability, and drive security initiatives, like access control and vulnerability testing - Work with A&A Teams to maintain… more
    Arena Technical Resources, LLC (11/29/25)
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  • Azure Security Sr . Engineer

    Arena Technical Resources, LLC (Washington, DC)
    Azure Security Sr . Engineer Location: Washington, DC, US Job ID: ATR 17715 Job Description Job Title: Azure Security Sr . Engineer Location: Washington, ... for IL6) for continuous monitoring, logging, and incident response - Conduct vulnerability assessments and implement remediations aligned to NIST 800-53, DoD STIGs,… more
    Arena Technical Resources, LLC (11/29/25)
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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 escalation tickets that are unable to… more
    TekSynap (10/16/25)
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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 ... tactical support. This fast-paced and dynamic environment demands a flexible, highly-motivated engineer with a strong desire to learn new skills and tackle evolving… more
    BigBear.ai (12/11/25)
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  • Sr Site Reliability Engineer

    SitusAMC (Washington, DC)
    …+ Standardize Monitoring and alerting environments + Participate in patching and vulnerability remediation + Manage IAM roles and conduct basic security audits + ... inventory accounts + Ability to administrate source code repositories + Work with Sr . Engineers on scoping out proposed Projects + Become member of Incident response… more
    SitusAMC (12/03/25)
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  • AI/ML Engineer with RE/VR proficiency and…

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

    Rubrik (Washington, DC)
    …win, we want to talk to you! Rubrik is looking for a Federal Sales Engineer on our Civilian/FSI Federal team to provide technical direction and business guidance to ... the regional sales team. As a Sales Engineer , you will be accountable for regional revenue goals...technical and sales presentations to customer's technical staff and senior management. + Serves as a trusted technology advisor… more
    Rubrik (12/16/25)
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  • Sr . Sales Engineer

    Nightwing (Sterling, VA)
    …include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission ... civil, and commercial markets. **Our NIGHTWING group is looking for a Sales Engineer , who will perform a key leadership role in identifying, aligning and driving… more
    Nightwing (12/12/25)
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  • Sr Software Engineer

    Nightwing (Sterling, VA)
    …include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission ... enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets. Nightwing is delivering technical support to customer… more
    Nightwing (11/25/25)
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  • Vulnerability Researcher: Senior

    Cipher Tech Solutions (Vienna, VA)
    …Vienna, VA Description: The candidate will be working independently as a Vulnerability Researcher to identify flaws in software. The candidate must be familiar ... with the latest techniques in vulnerability research and demonstrate their ability to follow best...of analyzing malicious code. The goal of a reverse engineer is to understand how the malicious code works… more
    Cipher Tech Solutions (11/21/25)
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  • Sr . Cyber Defense Architect

    DarkStar Intelligence LLC (Fort Meade, MD)
    Sr . Cyber Defense Architect Location: Fort Meade, MD | Type: Full-Time | Clearance: TS/SCI CI polygraph required Overview We are seeking a Sr . Cyber Defense ... behave differently in VM vs containerized environments. + Assess whether a vulnerability is meaningful based on system architecture and exposure. Policy Shaping &… more
    DarkStar Intelligence LLC (11/06/25)
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  • Sr . ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …Polygraph up front. Unfortunately, no exceptions. Leidos has an exciting opportunity for a Senior Security Engineer to join a high performing agile team using ... solid understanding of security practices and policies as well as hands-on vulnerability testing experience. You will have numerous responsibilities from day to day… more
    Leidos (12/15/25)
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