• Cloud System Administrator

    ManTech (Hanover, MD)
    …programs and contracts of similar scope and complexity + Bachelor's degree in system engineering, Computer Science, Information Systems , Engineering Science, ... S3, VPC, IAM, and other core services + Monitor system performance, availability, and security , responding to...related professional engineering discipline; an additional 5 years of System Engineer experience might be substituted for… more
    ManTech (12/24/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    …programs and contracts of similar scope and complexity + Bachelor's degree in System Engineering, Computer Science, Information Systems , Engineering Science. ... Route 53, workspaces, and other core services + Monitor system performance, availability, and security , responding to...An additional 5 years of System Engineer experience might be substituted for a degree. +… more
    ManTech (12/24/25)
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  • Senior Penetration Tester, US Amazon Dedicated…

    Amazon (Jessup, MD)
    …Dedicated Cloud Security is looking for a Red Team Senior Security Engineer to help ensure that our systems and processes are secured against the latest ... position will provide you with a challenging opportunity. A Security Engineer at Amazon is expected to...leadership in security (eg, tech lead, developed security architecture for a product or system ,… more
    Amazon (01/09/26)
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  • Senior Linux Systems Administrator

    Leidos (Camp Springs, MD)
    …Requires an current 8140 IAT Level II (Intermediate or Advanced) certificate (CompTIA Security + or Systems Security Certified Practitioner (SSCP)). + ... like Bash and Python, will be crucial in ensuring system stability, performance optimization, and proactive security ....Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems more
    Leidos (12/20/25)
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  • Software Developer 3 - OCI Networking, DDoS…

    Oracle (Annapolis, MD)
    …and application-layer threats. + Analyze industry trends in network architecture and security threats to help guide ongoing system enhancements. + Participate ... **Job Description** Oracle Cloud Infrastructure (OCI) is seeking a Senior Software Engineer to join our Networking organization, specializing in DDoS and Network … more
    Oracle (12/20/25)
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  • System and Network Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …Solaris OS, including x86 and SPARC + Experience facilitating or implementing Information Security Best Practices, including security compliance initiatives ... System and Network Administrator The Opportunity: A well-designed...complex network issues, analyze current working infrastructures, and increase security , reliability, and availability for mission-critical network systems more
    BOOZ, ALLEN & HAMILTON, INC. (12/22/25)
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  • Software Architect, Security

    Oracle (Annapolis, MD)
    …to identity to access and permissions. The goal is to apply the same rigor to security that we do to keeping our system available, thereby improving the overall ... + 15+ years' experience delivering and operating large scale, highly available distributed systems . + Knowledge of security engineering, computer and network … more
    Oracle (11/25/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …internal servers adding scalability while circumventing manual process for new operating system rollout. + Configure host-based intrusion detection systems . + ... IPA replacing human error and manual process + Analyze system and security logs while responding to...and software in support of developing and testing of information technology systems + Experience with Linux… more
    ManTech (01/15/26)
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  • Network System Admin

    KBR (Lexington Park, MD)
    …& Compliance - Implement Technical Implementation Guides (STIGs) for network and operating systems security . Support IATT and ATO package preparation to ensure ... solutions. With a strong ethical framework, KBR prioritizes data security , privacy, and responsible information management to...to the next level? KBR is seeking a Network Systems Admin (Network Engineer ) with an active… more
    KBR (12/18/25)
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  • Interface Management Tech Lead (Electrical…

    BAE Systems (Rockville, MD)
    …40 countries. We develop, engineer , manufacture, and support products and systems to protect national security and keep people safe. **Required Education, ... Systems is seeking a full-time Senior Principal Systems Engineer to be a part of...system that is truly critical to our national security . For more than six decades, SSP has maintained… more
    BAE Systems (11/14/25)
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