• Linux Systems Engineer

    William C Brown Inc (St. Louis, MO)
    Linux Systems Engineer EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment ... characteristic protected by law. Description Our work depends on a TS/SCI cleared Linux Systems Engineer joining our team to support our customer in St.… more
    William C Brown Inc (12/01/25)
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  • Cyber Security Implementation Engineer

    CACI International (St. Louis, MO)
    …on-premises and cloud-based cybersecurity infrastructure and applications running on Windows and Linux operating systems + Engineer and implement ... Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time...compute, storage, and transport. + Expertise in Windows and Linux server operating systems . + Excellent writing… more
    CACI International (11/14/25)
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  • Systems Integration Engineer

    BAE Systems (St. Louis, MO)
    …incentives may be available based on position level and/or job specifics. ** Systems Integration Engineer (Devops)** **117614BR** EEO Career Site Equal ... **Job Description** BAE Systems is seeking mission-oriented System Administrator / Integration...(7) years of system administration experience and expertise in Linux and AWS cloud environments + Demonstrated experience in… more
    BAE Systems (10/22/25)
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  • Systems Engineer , Mid

    William C Brown Inc (St. Louis, MO)
    Systems Engineer , Mid EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... protected by law. Description WCBinc is looking for a Systems Engineer to join our team to...clearance required and eligibility to obtain a poly Required Skills: Linux system administratorScripting / Coding experience (Bash, Python, etc)… more
    William C Brown Inc (12/01/25)
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  • Senior Systems Engineer

    Syms Strategic Group, LLC (SSG) (St. Louis, MO)
    Syms Strategic Group (SSG) is seeking a talented Systems Engineer (Senior) Location: Remote Department: Veterans Affairs (VA) Type: Full Time Min. Experience: ... proven track record of managing and maintaining large-scale production systems + Strong proficiency in Linux /Unix and...Advanced certifications in relevant areas (eg, Red Hat Certified Engineer , Microsoft Certified Systems Engineer ,… more
    Syms Strategic Group, LLC (SSG) (01/07/26)
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  • Application Support Engineer (Onsite)

    BAE Systems (Arnold, MO)
    **Job Description** BAE Systems is currently seeking an Application Support Engineer to join our integrated Operations & Sustainment (O&S) team located in our ... a Top Secret/SCI with Polygraph security clearance + Have previous experience with LINUX based operating systems + Previous System Administrator experience +… more
    BAE Systems (12/03/25)
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  • Systems Engineer

    Robert Half Technology (St. Louis, MO)
    Description Job Description: We are seeking a skilled Systems Engineer to support our technology operations in St. Louis. The Systems Engineer will play ... performance. + Manage installation, upgrades, and optimization of operating systems and application software. + Monitor system operations, troubleshoot performance… more
    Robert Half Technology (12/20/25)
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  • Azure Infrastructure Support (O&M Engineer

    Applied Research Solutions (St. Louis, MO)
    …and personalized attention from ARS Senior Managers. **Responsibilities:** + Support a Linux & Windows AirGapped environment. + Troubleshoot systems as needed, ... ARS is looking for an Azure Infrastructure Support (O&M Engineer ) Tech. As an Azure Infrastructure O&M Support ...for maintaining a Windows Active Directory domain and supporting Linux infrastructure in the classified region. **Why Work with… more
    Applied Research Solutions (11/05/25)
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  • Engineer III, Technology

    Edward Jones (St. Louis, MO)
    …Financial Advisors and Home Office associates. We manage and enhance key systems , including **PeopleSoft Financials (transitioning to Oracle Cloud ERP)** , SaaS ... division and align with the firm's vision. As an ** Engineer 3** , you will configure, enhance, and support...Do** + Provide technical support for business solutions and systems development. + Drive effective use of technology within… more
    Edward Jones (01/07/26)
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  • High Speed Guard Engineer

    CACI International (St. Louis, MO)
    …developing systems , products, and/or processes based on a total systems perspective.** **Experience with Linux operating systems ; understanding ... High Speed Guard Engineer Job Category: Information Technology Time Type: Full...NGA mission. CACI is seeking a High Speed Guard Engineer to support the implementation and administration of Everfox… more
    CACI International (12/01/25)
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  • Senior BizOps Engineer

    Mastercard (O'Fallon, MO)
    …and governments realize their greatest potential._ **Title and Summary** Senior BizOps Engineer The Reactive Systems Architecture BizOps team is looking for ... a BizOps Engineer who can help us solve problems, build our...* Interest in designing, analysing, and troubleshooting large-scale distributed systems . * Willingness and ability to learn and take… more
    Mastercard (01/06/26)
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  • Application Support Engineer

    Chenega Corporation (Arnold, MO)
    …Equivalent + 2+ years relevant work experience to include: + Experience with UNIX/ Linux -based operating systems . + Experience with Oracle or other relational ... **Req ID:** 37537 **Summary** **Application Support Engineer ** **Arnold, MO** Are you ready to enhance...minimizing operational impacts. + Support servers, workstations, and storage systems in a team-based environment. + Provides support to… more
    Chenega Corporation (12/10/25)
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  • BizOps Engineer II

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** BizOps Engineer II The Business & Market Insights BizOps team is looking for ... a Business Operations Engineer who can help us solve problems, and lead...Go * Interest in analyzing and troubleshooting large-scale distributed systems . * We need team members with an appetite… more
    Mastercard (12/04/25)
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  • Lead Site Reliability Engineer

    Enterprise Mobility (St. Louis, MO)
    …our business to grow through the implementation of new capabilities. The ** Engineer 3, Systems ** is responsible for ensuring the availability, performance, ... a software engineering mindset to system administration topics, and vice versa. As an ** Engineer ** **3, Systems ** you will be expected to use your technical… more
    Enterprise Mobility (11/29/25)
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  • Senior AI Engineer / Solutions Architect…

    Deloitte (St. Louis, MO)
    …engineers. SFL Scientific, a Deloitte Business, is looking to add a Senior AI Engineer to their vibrant environment. SFL Scientific is part of our broader Strategy ... role ends on 2/28/2026. Work You'll Do As a Senior AI Engineer /Solutions Architect, you'll work cross-functionally with data scientists, machine learning engineers,… more
    Deloitte (12/06/25)
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  • Senior BizOps Engineer

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** Senior BizOps Engineer We are looking for a BizOps Engineer /SRE with a strong ... background in on-premises platform with payments processing, and secure systems operations. The ideal candidate will bring expertise in certificate and key… more
    Mastercard (11/15/25)
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  • Lead, AI Data Engineer

    Mastercard (O'Fallon, MO)
    …(GitHub Actions, Jenkins) and infrastructure automation (Terraform). -Strong knowledge of Linux /Unix systems and shell scripting. -Excellent communication and ... realize their greatest potential._ **Title and Summary** Lead, AI Data Engineer Mastercard Security Services is responsible for acquiring, engaging, and retaining… more
    Mastercard (10/10/25)
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  • Principal BizOps Engineer

    Mastercard (O'Fallon, MO)
    …governments realize their greatest potential._ **Title and Summary** Principal BizOps Engineer Job Title: Customer Operations Triage and Collaboration Engineer ... With the talent and vision to create the critical systems and products that power global commerce and connect...on efficiency gaps and concerns Required Technical Skills Strong Linux foundation. Able to navigate and use commands while… more
    Mastercard (01/07/26)
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  • Senior Software Engineer

    Mastercard (O'Fallon, MO)
    …development times (eg, Spring Boot, Angular, others) * Understands internals of operating systems (Windows, Linux ) to write interoperable and performant code * ... and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the… more
    Mastercard (10/24/25)
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  • Senior BizOps Engineer

    Mastercard (O'Fallon, MO)
    …and governments realize their greatest potential._ **Title and Summary** Senior BizOps Engineer About the Role * The role of Corporate Security Operations is ... measuring and monitoring availability, latency and overall system health. * Scale systems sustainably through mechanisms like automation, and evolve systems by… more
    Mastercard (11/25/25)
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