• Splunk Security Engineer

    Leidos (Suitland, MD)
    …ready to turn your skills into real-world impact? Join **Leidos** as a **Splunk Security Engineer ** in Suitland, MD and be at the forefront of mission-critical ... **What You'll Do** As a core member of our security engineering team, you will: + Develop, maintain, and...products such as Trellix ePO, Tanium, Cisco (FirePower, ISE, Email Gateways, AMP, switch/routers), Palo Alto Firewalls, Microsoft Active… more
    Leidos (11/11/25)
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  • Principal Endpoint Security Systems…

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity a **Principal Endpoint Security Systems Engineer ** in our **National Security Sector's (NSS) ... **Job Description** This effort is seeking an experienced endpoint security systems engineer to join our Cyber...or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for… more
    Leidos (11/28/25)
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  • Senior Information Security Systems…

    Leidos (MD)
    …related field with a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts ... **Description** **Program Summary** As a Senior Information Security Systems Engineer (ISSE) you will...or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for… more
    Leidos (11/26/25)
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  • Senior Information Security Engineer

    Eliassen Group (Aberdeen Proving Ground, MD)
    **Senior Information Security Engineer ** **Aberdeen Proving Ground, MD** **Type:** Contract-to-Hire **Category:** Security **Industry:** Government ... Our client is seeking a highly skilled Information Systems Engineer (ISE) to serve as the primary security...Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information… more
    Eliassen Group (12/05/25)
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  • Sr OT Systems Security Engineer

    Exelon (Baltimore, MD)
    …you in? **Primary Purpose** **PRIMARY PURPOSE OF POSITION** The Sr OT Systems Security Engineer (OTSSE) will support implementation of the Operational Technology ... **Job Scope** **JOB SCOPE** The Senior Operational Technology Systems Security Engineer (OTSSE) will work closely (and...are an individual with a disability and need an accommodation to complete the application, please email us at… more
    Exelon (12/02/25)
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  • Cyber Security Engineer (SME)

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for Cyber Security Engineer SME in our **National Security Sector's (NSS) Cyber & Analytics ... information systems and networks from potential cyber-attacks. The Cyber Security Engineer must display an excellent understanding...or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for… more
    Leidos (11/28/25)
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  • Information Systems Security

    ManTech (Annapolis Junction, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Information Systems Security Engineer (ISSE)** to join our team in the **Annapolis Junction, MD.** ... but are not limited to:** + Participate as a security engineer representative on teams for the...accommodation to apply for a position with MANTECH, please email us at ###@mantech.com and provide your name and… more
    ManTech (11/19/25)
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  • System Security Engineer

    Guidehouse (Bethesda, MD)
    **Job Family** **:** IT Cyber Security **Travel Required** **:** Up to 25% **Clearance Required** **:** Ability to Obtain Public Trust **What You Will Do** **:** **. ... **4. Process Maturity** + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + Guide… more
    Guidehouse (11/19/25)
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  • Lead System Security Engineer

    Guidehouse (Bethesda, MD)
    …**4. Process Maturity** + Document and maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + Guide ... cybersecurity responsibilities for each FISMA system. **6. Review** + Conduct security control assessments through an independent (firewalled) team. + Perform… more
    Guidehouse (11/19/25)
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  • Information Systems Security

    Leidos (Laurel, MD)
    …**Leidos** has a new and exciting opportunity for a **Senior Information Systems Security Engineer (ISSE)** in our **National Security Sector's (NSS) ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for… more
    Leidos (11/18/25)
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