• Network Security Engineer (Splunk)…

    General Dynamics Information Technology (Herndon, VA)
    …**Job Description:** Seize your opportunity to make a personal impact as a Network Security Engineer supporting customer activities. GDIT is your place to make ... At GDIT, people are our differentiators. As a Network Security Engineer , you will help ensure today...highly skilled team to be a premier provider of cyber security services to the customer. **HOW… more
    General Dynamics Information Technology (12/15/25)
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  • Offensive Security Engineer (Red…

    KeyBank (Brooklyn, OH)
    …Deny, and Disrupt adversaries through proactive threat centric defense. The Offensive Security Engineer is a key member of the Cyber Defense Cyber ... and Exposure Mgmt. team rolls up into Key's broader Cyber Defense function within Corporate Information Security ....Golang or similar languages. + Deep understanding of Windows, Linux , Kali Linux , and macOS operating systems.… more
    KeyBank (01/08/26)
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  • Senior Security Engineer

    Unum Group (Dunwoody, GA)
    …is changing, and we're excited about what's next. Join us. **General Summary:** Senior Security Engineer Join a team where your expertise shapes enterprise-wide ... security strategy. We're seeking a Senior Security Engineer to lead the design and...with Regulations, including, GLPA, HIPAA, GDPR, CCPA, and other Cyber Security Regulatory compliance requirements and related… more
    Unum Group (01/01/26)
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  • Information System Security Engineer…

    SMX (Aiea, HI)
    Information System Security Engineer (ISSE)at SMX(View all jobs) (https://www.smxtech.com/careers/) Aiea, HI SMX is seeking a highly skilled and innovative ... Information Systems Security Engineer (ISSE) to spearhead advanced cybersecurity...is at the cutting edge, focused on upgrading current security operations using out-of-band defensive cyber operations,… more
    SMX (01/06/26)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate individuals in Warrenton, ... The duties and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are not...Tier 1, 2, and 3 maintenance support for deployed cyber security technologies. * Assist with periodic… more
    Amentum (12/05/25)
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  • Principal Endpoint Security Systems…

    Leidos (Bethesda, MD)
    …!** **Job Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber Security Engineering team. The focus ... Security Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business...tools. Working in a hybrid cloud/on-prem mission environment the engineer will support integration of Linux and… more
    Leidos (11/28/25)
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  • Security Software Engineer - Red…

    Imagine One Technology & Management (Dahlgren, VA)
    …**for this role.** Imagine One Technology & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent upon award of the ... work and will be performed in Dahlgren, Virginia. The Security Software Engineer will be expected to:... will be expected to: + Debug and reverse engineer software. + Analyze Windows Events and Linux… more
    Imagine One Technology & Management (12/24/25)
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  • Senior Information Systems Security…

    Amentum (Warrenton, VA)
    …change. **Responsibilities:** The duties and responsibilities of the **Senior Information System Security Engineer (ISSE)** include, but are not limited to, the ... Baseline Monitor, and Virus Scan Enterprise) on Windows and Linux creating exceptions to allow essential processes to continue...Tier 1, 2, and 3 maintenance support for deployed cyber security technologies. + Assist with periodic… more
    Amentum (01/09/26)
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  • ACAS Engineer - Active Top Secret Clearance…

    ENS Solutions (College Park, MD)
    …CySA+, GICSP, or CND Certification + Ability to obtain a DoD 8570.01-M Cyber Security Service Provider - Infrastructure Support Certification, including CEH, ... solutions to enable secure and reliable operations of enterprise computer systems. Engineer , design, develop, and implement enterprise network cyber defense… more
    ENS Solutions (12/27/25)
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  • Full Stack Infrastructure Engineer…

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber , data operations, systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency,...Experts (CODEX) is seeking a skilled Full Stack Infrastructure Engineer with expertise and focus on automated patching and… more
    Nightwing (01/07/26)
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