• Information Systems Security

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Information Systems Security Engineer (ISSE) - Senior ** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ... highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer (ISSE) designs, implements, and manages security more
    CGI Technologies and Solutions, Inc. (09/26/25)
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  • Security Engineer - Senior

    ABBTECH Professional Resources, Inc. (Washington, DC)
    Senior Security Engineer to supporting the client by joining a dedicated team of cybersecurity professionals who collaborate, cooperate, and facilitate ... maintaining and enhancing the security posture and the client's information systems and infrastructure. Top Qualifications, Skills, Experience or Certifications: 1.… more
    ABBTECH Professional Resources, Inc. (12/11/25)
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  • Artificial Intelligence Senior

    Bank of America (Washington, DC)
    Artificial Intelligence Senior Security Engineer Chicago, Illinois;Washington, District of Columbia; Boston, Massachusetts; Denver, Colorado **To proceed ... Information Security (GIS) team is seeking a Cyber Threat Defense AI Security Senior Engineer to drive the integration of advanced AI technologies into… more
    Bank of America (11/13/25)
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  • Senior Security Engineer

    Leidos (Arlington, VA)
    **Description** Leidos has an immediate need for a Senior Security Engineer for a new customer on a highly-visible and strategic Cybersecurity Task Order. ... The Senior Security Engineer will need to be a self-starter with excellent analytical and problem-solving skills, flexibility, good judgment and the ability… more
    Leidos (12/12/25)
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  • Network Engineer Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior ( Security ) - TS/SCI required** Transform ... technology into opportunity as a **Network Engineer Senior ( Security )** at GDIT. Shape what's next for mission-critical government projects while shaping… more
    General Dynamics Information Technology (12/09/25)
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  • Senior Security Engineer

    System One (Washington, DC)
    Job Title: Senior Security Engineer Location: Washington, DC (100% onsite) Type: Contract Security Clearance: Public Trust Senior Security ... who collaborate, cooperate, and facilitate maintaining and enhancing the security posture of DOT information systems and infrastructure. These information… more
    System One (12/14/25)
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  • Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... As the security section grows, so will the tools and the ** Senior Security Engineer ** will be the person charged with implementing them. The successful… more
    CoStar Realty Information, Inc. (10/24/25)
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  • Senior Sales Engineer - Mid Market…

    Proofpoint (Washington, DC)
    …on technical experience, either as a Sales/Systems Engineer , Technical Account Manager, Security Engineer or senior level product support, preferably in ... help to deliver People-Centric solutions that protect against today's cyber threats. The Senior Sales Engineer is the Technical Lead for the Proofpoint Pre-Sales… more
    Proofpoint (10/28/25)
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  • Senior SaaS Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior SaaS Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... available, we provide an invaluable edge in real estate. We're hiring a ** Senior SaaS Security Engineer ** to help us evolve our corporate environment to… more
    CoStar Realty Information, Inc. (11/04/25)
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  • Senior Principal Security

    Oracle (Washington, DC)
    …**What are we looking for?** The OCI Core Services organization is looking for a Senior Principal Security Engineer that will be the technical security ... and libraries. **Preferred Qualifications** + Prior role as a Principal or Senior Principal Security Engineer at a major cloud provider (OCI, AWS, Azure,… more
    Oracle (11/25/25)
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  • Senior Offensive Security

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer ** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global ... an invaluable edge in real estate. Evolve our offensive security capabilities to test our internal and external facing...the vulnerabilities. The ability to explain the exploit to senior level management is key to success in this… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Information System Security Engineer

    TekSynap (Washington, DC)
    …:Services to support Information System Engineering performed by the Information System Security Engineer (ISSE) includes the following activities: + Lead, ... Oriented + Teamwork **Overview** We are seeking an Information System Security Engineer (ISSE) to join our team supporting a government customer. TekSynap… more
    TekSynap (11/30/25)
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  • Security Engineer

    Arena Technical Resources, LLC (Alexandria, VA)
    …Remote Eligibility: Candidate must possess an MBI (T2) clearance Job Description: As a Network Security Engineer Senior , the work you'll do will be impactful ... TO SUCCEED Bring your cyber expertise and drive for innovation. The Network Security Engineer Senior must have: * Education: Bachelor of Science *… more
    Arena Technical Resources, LLC (11/29/25)
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  • Senior Security Engineer

    Quantexa (Washington, DC)
    …using platforms including Wiz, Zscaler, Sentinel, and complementary detection tooling. + Engineer , tune, and maintain detection logic and security policy ... of professional experience in cybersecurity, with at least 7 years in senior or lead security roles. + Master's degree in information security , Computer… more
    Quantexa (12/11/25)
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  • Senior Network Engineer

    Tactibit Technologies LLC (Suitland, MD)
    …refresh and modernization planning, network integrations, and security hardening. As a Senior Network Engineer , you will be expected to plan and lead ... testing, hardening, and assessments to meet strict compliance and operational security requirements Senior Network Engineer requirements are: + 10+ years of… more
    Tactibit Technologies LLC (09/25/25)
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  • Senior DevOps Engineer

    St. George Tanaq Corporation (Washington, DC)
    …plans. + Embed security in DevOps workflows in coordination with the Senior Security Engineer . + Document all processes, configuration management, and ... Senior DevOps Engineer WFH Flexible*Washington, DC...with infrastructure-as-code tools (Ansible, Terraform). + Knowledge of federal security and compliance frameworks (FedRAMP, NIST RMF, OMB M-Memos).… more
    St. George Tanaq Corporation (10/05/25)
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  • Senior Security Engineer

    Oracle (Washington, DC)
    …in threat hunting, analyzing indicators of compromise (IOCs), investigating security incidents, managing incident responses, and conducting digital forensics across ... this role, you will be part of a dedicated security operations team, leveraging data loss prevention, case management...tools, and developing automation to detect and respond to security threats in real time. Additionally, you will play… more
    Oracle (11/25/25)
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  • Senior Associate, Physical Security

    Capital One (Mclean, VA)
    Senior Associate, Physical Security Engineer , Global Workplace Services **At Capital One, we dare to dream, disrupt and deliver a better way. Our goal is ... a well-oiled machine! That's why our team is looking to add a Senior Associate, Physical Security Engineer .** **As a Physical Security Engineer ,… more
    Capital One (11/04/25)
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  • Cleared Senior Information Systems…

    Virtual Service Operations (Lorton, VA)
    Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you looking to take ... the next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are a good match! Opportunity: We are building a team… more
    Virtual Service Operations (11/09/25)
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  • Senior Information Systems Security

    GovCIO (Alexandria, VA)
    **Overview** GovCIO is currently hiring a ** Senior ** **Information Systems Security Engineer ** for a program with the US Coast Guard. This position will be ... $165,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7179/ senior -information-systems- security - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID**… more
    GovCIO (11/26/25)
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