• Security Solution Engineer - Email Security

    Proofpoint (Maryland City, MD)
    …with Email Security + Corporate computer networking, technical support, system administration , Windows, Unix/ Linux Operating System administration and/or ... The Security Solutions Engineer manages the technical aspects of customer systems and is primarily responsible for solution uptime, availability, policy development… more
    Proofpoint (01/17/26)
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  • Senior Principal DevOps Lead Engineer

    RTX Corporation (Fulton, MD)
    …DevOps processes and train team members + Support IT department in the administration and maintenance of tools to ensure compliance with security requirements + ... technology tools such as Docker and Kubernetes + Scripting experience in Linux environment (eg Perl, Python, Bash) + Supporting software solutions in virtualized… more
    RTX Corporation (01/16/26)
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  • IT Lab Manager

    FGS, LLC (MD)
    …This role combines leadership and technical expertise, including DoD 8140-compliant systems administration skills, to manage personnel, schedules, resources, and ... baseline certifications (eg, Security+, CISSP, or equivalent) required. + Advanced administration experience with Windows Server, Linux (RHEL/CentOS), and… more
    FGS, LLC (01/16/26)
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  • DevOps Engineer

    Lockheed Martin (Hanover, MD)
    …CS * Eight \(8\) years' experience with software and system deployments, Linux system admin , containerization, cloud deployments, DevSecOps * Recent experience ... sign on bonus for external hires\! **WHAT WE'RE DOING** Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most… more
    Lockheed Martin (11/05/25)
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  • Senior Software Engineer, Cloud Performance

    Oracle (Annapolis, MD)
    …, storage, and distributed persistence technologies. + Good understanding of Linux administration and networking stack configuration + Demonstrable technical ... efficiency by concentrating our expertise on building low level systems with high performance that can be adopted by...quality. + Good knowledge of data structures, algorithms, operating systems , and distributed systems fundamentals. + Working… more
    Oracle (01/01/26)
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  • Infrastructure Engineer

    CACI International (Laurel, MD)
    …**Job Description:** Responsible for resolving IT hardware and software infrastructure ( Linux servers, network, security, etc.) issues using systems analysis ... user systems , servers, storage and network connectivity. Provides system administration for assigned infrastructure and establishes and maintains security as it… more
    CACI International (11/08/25)
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  • Cloud Engineer

    Guidehouse (Bethesda, MD)
    …will be working closely with our Cloud Architect, Solution Architects, Systems Engineers, Software Engineers, and Operations Engineering/Manager as well as ... cloud-based services, preferably AWS, for enterprise applications + Cloud Admin Skills in AWS -- ec2, elb/alb, s3, efs,...with SecDevOps and CI/CD pipeline + Experience working with Linux operating system. + Knowledge of web services: API,… more
    Guidehouse (12/12/25)
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  • Cloud Engineer (Cloud Engineer 2)

    Huntington Ingalls Industries (Columbia, MD)
    …Ability to Obtain Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare ... Systems comprises cyber and mission IT; electronic warfare; and...similar languages) + Has previously worked extensively in a Linux environment + Experience with deploying highly scalable databases… more
    Huntington Ingalls Industries (01/01/26)
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  • Site Reliability Developer II

    Oracle (Annapolis, MD)
    …by continuously implementing automation, self-healing, and real-time monitoring to production systems + Be a strong contributor to supporting and development of ... + Develop designs, architectures, standards, and methods for large-scale distributed systems + Facilitate service capacity planning and demand forecasting, software… more
    Oracle (12/16/25)
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  • Network Engineer

    ManTech (Linthicum Heights, MD)
    …core network protocols and components + Experience with Nessus, and system administration across Linux /Windows environments + Understanding of network security ... Engineer** to support the Cryptographic Solutions Program within the National Security Systems domain in **Linthicum Heights, MD** . This opportunity allows you to… more
    ManTech (11/26/25)
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