• Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …Server + MCEM (Microsoft Endpoint Configuration Manager) + MAC OS + RHEL + RedHat Enterprise Virtualization Hypervisor + KVM + Puppet + Patching + PowerShell + WSUS ... + Release Management + STIG Compliance + Enterprise Storage + Backup and Restore Black Bear Technology Solutions, LLC (B2TS), is an Equal Opportunity Employer and Prohibits Discrimination and Harassment of Any Kind. B2TS is committed to the principle of equal… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Software Engineer

    Assertive Professionals (Hanover, MD)
    …+ MongoDB, Apache Camel + Perl experience + Creating deployment packages using RedHat Package Manager (RPM) + Writing software that utilizes SNMP Position Software ... Engineer - Level 3 EOE Statement Assertive Professionals, LLC, is an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity,… more
    Assertive Professionals (11/21/25)
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  • Federal Senior Solutions Architect

    Confluent (Annapolis, MD)
    …retention + Experience operating Linux (configure, tune, and troubleshoot both RedHat and Debian-based distributions) + Experience using cloud providers (Amazon Web ... Services, Google Cloud, Microsoft Azure) for running high-throughput systems + Experience with Java Virtual Machine (JVM) tuning and troubleshooting + Experience with modern distributed data systems, such as cloud data platforms (eg, Snowflake, Databricks),… more
    Confluent (11/21/25)
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  • System/Network Administrator (Onsite)

    RTX Corporation (Fulton, MD)
    …bash and/or Powershell + A Microsoft Certified Systems Administrator (MCSA), RedHat Certified Systems Administrator (RHCSA), VMWare VCP, or other industry relevant ... certifications + Active Secret Security Clearance **What We Offer :** Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities,… more
    RTX Corporation (11/21/25)
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  • System Administrator

    CACI International (Laurel, MD)
    …Three (3) years' experience installing software packages such as .iso and RedHat package Managers (rpm). _Desired:_ + Three (3) years' experience configuring, ... troubleshooting, monitoring, cand administering a message service (such as Java Messaging Service, TIBCO, ActiveMQ, Artemis, Kafka). + Strong organizational skills + In-depth experience in trouble-shooting IT systems - ** ** **What You Can Expect:** **A… more
    CACI International (11/20/25)
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  • Mid/Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …Experience + VPC, EC2, S3 + Linux and Windows operating systems + CentOS, RedHat , Windows 10, Window Server + DNS Experience + Scripting languages (eg Perl, bash, ... etc.) + Ansible Playbooks + Jenkins - Continuous Integration /Continuous Delivery (CI/CD) + OS and Software application patching (eg IAVA, Version updates) + Excellent communications skills + Working with the ISSE and the accreditation of the system, handling… more
    Belay Technologies (11/19/25)
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  • Software Application Developer Intern for GOES-R…

    KBR (Silver Spring, MD)
    …and scientific libraries (NumPy, SciPy) + Functional experience with Linux environments ( RedHat /CentOS), bash, and standard text editors (vi) + Familiarity with Git ... version control workflows Preferred Skills + Experience or interest in the NOAA, NWS, or US weather enterprise, including exposure to satellite, radar, numerical weather prediction, or environmental data workflows + Familiarity with Agile or Scrum software… more
    KBR (11/19/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    …Foxpro III , Perl, Omni Image, Omni Web Browser, NexTStep 3.3, SAS V6, RedHat Enterprise Linux (RHEL 5.4, Fedora Linux, Sun Solaris 9.0, 10.,HP Glance Performance ... Tools, HPUX Network Node Manager, HP Openview, Oracle 7 RDBMS, NIS, NIS+, NFS, FTP, UDP, Sybase, Checkpoint, Windows Server 2003, Serena, Weblogic. Protocols: * ASYNC, BYSYNC, X.25, LDAP, TCP/IP, FTP, SMTP Interfaces: * RJ11, RJ45, RS232, RS444 Desired Skills:… more
    DCCA (11/17/25)
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  • Senior Systems Administrator 10k sign on bonus

    Leidos (Annapolis Junction, MD)
    …active TS/SCI with Polygraph** **Desired Qualifications:** + Puppet, Ansible, FreeIPA, RedHat KVM, NetApp support, Support JIRA, Confluence. + Scripting experience ... (Bash, Python, Perl, etc.) + Experience with Proxmox + Experience with Docker, Kubernetes or other containerization tools. **At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive… more
    Leidos (11/15/25)
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  • Software Engineer

    Leidos (Gaithersburg, MD)
    …Systems + ​Multi-threaded programming + ​Low Level Operating Systems (OS) Customization ( RedHat ), Hypervisors, and VMs + ​CAS / Hardware Integration + ​Low level ... communication software (TCP-IP, UDP, SCTP) + ​System Maintenance Concepts + ​Experience with software source control and configuration management tools + ​Strong understanding of sound software development principles and practices + ​Ability to plan and… more
    Leidos (11/11/25)
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