• Senior IT Infrastructure Engineer

    Lumen (Jefferson City, MO)
    …Rocky, Ubuntu, etc.) administration + Minimum of 4 years of experience with Unix ( Solaris , HP-UX, etc.) administratio + Experience with Solaris is required. + ... Experience with automation and orchestration technologies (Ansible, Terraform, shell scripting, etc.) + Excellent troubleshooting and diagnostic skills across the full IT technology stack + Strong interpersonal, written/verbal communication, and team dynamic… more
    Lumen (10/05/25)
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  • Senior Information Security Engineer

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** Senior Information Security Engineer Overview Mastercard is seeking ... including business owners, end-users, customers, project managers, engineers, and senior management * Define security requirements and guidelines to ensure… more
    Mastercard (09/24/25)
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  • UNIX Systems Engineer

    GovCIO (Jefferson City, MO)
    …Radford, VA and will be a remote position. **Responsibilities** This position is for a Senior UNIX System Engineer for a mixed and growing environment of Red Hat ... **Overview** GovCIO is currently hiring for an UNIX Systems Engineer to plan, execute, and implement,create and maintain team...Enterprise Linux/Oracle Enterprise Linux and Solaris UNIX. This position will work with the existing… more
    GovCIO (09/24/25)
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  • Software Quality Assurance Testers

    Guidehouse (Kansas City, MO)
    …logging, and resolution activities. + This role typically reports to a supervisor or senior engineer and works under close guidance while building proficiency in ... updates. This role typically reports to a supervisor or senior engineer and works under close direction...work across multiple platforms including Windows, Linux, UNIX, and Solaris . + Understanding of Agile, SDLC, and test lifecycle… more
    Guidehouse (09/28/25)
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