• Systems Engineer, Messaging

    Marriott (Bethesda, MD)
    …365 security tooling, as well as other security tooling such as Splunk , CrowdStrike, Abnormal Security, etc. + Messaging security standards expertise with ... plus. + Certifications such as Microsoft 365 Certified: Messaging Administrator Associate; Cisco Secure Email training/certifications preferred. + Strong… more
    Marriott (09/24/25)
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  • Cloud Engineeer

    ManTech (Hanover, MD)
    … solutions **Minimum Qualifications:** + Fourteen (14) years of experience as a Systems Administrator or Cloud Engineer supporting programs of similar scope and ... (Amazon Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems . + Configure and manage core services such as...+ Experience with monitoring and security tools such as Splunk and Bigfix. + Familiarity with DevOps tools like… more
    ManTech (09/13/25)
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