- Leidos (Annapolis Junction, MD)
- **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... enclave comprised of various hardware, software and network components to include server architecture, virtual machines, managed switches, NAS, VLANs, and VPNs. +… more
- Black Bear Technology Solutions, LLC (Adelphi, MD)
- …standards and STIG implementations. + Troubleshoot and resolve issues on Windows Server , macOS, and Linux systems. Black Bear Technology Solutions (B2TS), ... 2 years of experience Experience : Minimum of 5 years in systems administration across Windows platforms Certifications : CompTIA Security+ CE or CompTIA Server… more
- ManTech (Hanover, MD)
- …in administering Linux operating systems. + Experience with Windows Server 2022 administration , including Active Directory and networking + Proven ... enterprise users. **Responsibilities include, but are not limited to:** + Provide administration and support for Windows Server 2022 environments, including… more
- CACI International (Annapolis Junction, MD)
- System Administration - Tiered Support Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... for the implementation, troubleshooting, and maintenance of IT systems across client/ server , storage, network devices, mobile devices, and more. In this role,… more
- Leidos (Bethesda, MD)
- …Experience with Windows administration , specifically Windows 10, DISA SHB, and Windows Server 2012 + Experience with Linux system administration + ... local area and wide area development networks running both Linux (primarily) and Windows, at both a Leidos facility...(such as Security+, SSCP, or CISSP as well as Linux +, RHCE, Network+, or CCNA (or better)) Required Experience… more
- BAE Systems (Annapolis Junction, MD)
- …Summary:** The selected individual will be responsible for maintaining system administration support activities for a large complex network environment with ... to a changing environment. The selected candidate must possess strong system administration and troubleshooting skills and must adapt quickly in working with the… more
- Parsons Corporation (Baltimore, MD)
- …+ Support and maintenance of hybrid environments utilizing multiple Operating Systems (GNU Linux [RHEL Based/Debian Based], Windows Server , BSD Based) + Develop ... FIPS security requirements + Create script-based automation of regular administrative tasks using Python/Ansible/Powershell/etc + PXE/UEFI and System deployment (eg… more
- Leidos (Bethesda, MD)
- …supports their needs effectively. + Technical Oversight: + Provide guidance on Linux system administration and networking tasks. + Support the team ... Background: Must have 8+ years of IT experience, including Linux system administration or Linux ...administration , including Windows 10, DISA SHB, and Windows Server . **Original Posting:** June 13, 2025 For US Positions:… more
- Leidos (Annapolis Junction, MD)
- …Summary:** The selected individual will be responsible for maintaining system administration support activities for a large complex network environment with ... to a changing environment. The selected candidate must possess strong system administration and troubleshooting skills and must adapt quickly in working with the… more
- Themis Insight (Fort Meade, MD)
- …(2) years of experience with Service Management (ITSM) is required. + 1-3 years Linux Sys Admin experience with container platforms + Any DoD‑recognized IT Level ... + Monitor uptime, perform patching, and troubleshoot container issues Environment: Linux VMs containerized via Docker Position Description: Provides support for… more