System Administrator — Windows/Linux, Cloud & Security
MANTECH
MANTECH seeks a motivated System Administrator to join our Annapolis Junction, MD team. You will support the implementation, troubleshooting and maintenance of networked and standalone computer systems, and brief outcomes to diverse audiences. In this role you will provide Tier III engineering support across Windows, Linux, and cloud environments, design and document configurations, and help meet SLAs and deliverables. Travel up to 20% may be required. #J-18808-Ljbffr MANTECH
- Socket.dev is seeking a Senior System Administrator to lead IT infrastructure... ...focused context. You will manage Windows and UNIX/Linux systems, ensure patching, hardening, and security compliance, and mentor a... ...team across on-premises and cloud-adjacent environments. The...CloudWindowsLinuxFlexible hours
- ...Entertainment Data Oracle, Inc. seeks a System Administrator to support mission‑critical... ...portfolio. You will manage Windows/Linux, perform patching, hardening,... ...in on‑prem, hybrid, and cloud environments. The role requires an active security clearance with polygraph, DoD...CloudWindowsLinux
- ...At Independent Software, as a Systems Administrator, all levels, you will support secure, mission-critical infrastructure across Linux and mixed Linux/Windows enterprise environments. This role... ...infrastructure, containerized platforms, cloud-hosted environments, and...CloudWindowsLinux
- ...Information Technology (IT) systems supporting critical enterprise... ...availability, reliability, security, and performance of... ...Configure, administer, and maintain Windows and UNIX/Linux operating systems, including... ...automation, DevOps practices, cloud technologyes, and...CloudWindowsLinuxTemporary work
- ...Technologies, Inc. is seeking a senior systems administrator to provide operational support... ...DoD programs. You will manage Windows and Linux ecosystems, implement security hardening, and work with DevOps... ...enable automation, CI/CD, and cloud deployments. The role requires TS...CloudWindowsLinux
$130k - $170k
ME00669-Systems Administrator 2 Momentum Engineering Annapolis Junction... ...professionals with security clearances and full-... ...with DevOps and cloud infrastructure automation... ...maintain UNIX and Windows operating systems Install... ...Windows and UNIX/Linux operating systems Experience...CloudWindowsLinuxHourly pay$140k - $180k
We are seeking a System Administrator for one of our PRIME CONTRACTS supporting... ..., program management, security, logistics and more.... ...administer, and maintain Windows and UNIX/Linux operating systems, including... ...automation, DevOps practices, cloud technologies, and...CloudWindowsLinuxMonday to FridayFlexible hours$10k
...Technology Partners is seeking a System Administrator 2 to support the... ...help ensure the reliability, security, and performance of critical IT... ...has experience supporting both Windows and Linux/UNIX environments, administering cloud-based solutions in AWS, and contributing...CloudWindowsLinuxTemporary workFor contractorsLocal area- Momentum Engineering, Inc. seeks a System Administrator to support enterprise IT systems, including... ...while applying DevOps practices and cloud automation with Ansible, AWS, and... ...NSA Full Scope Polygraph, extensive Windows/UNIX/Linux experience, and strong problem-solving...CloudWindowsLinux
- ...IAT II Certification Required AWS cloud resources, including EC2, S3, VPC, IAM, and other core services. SaltStack, Ansible, Bash and Python Windows Server 2019 and 2022 environments, Linux distributions (e.g., RHEL8/9, Amazon Linux 2023) within...CloudWindowsLinux
- ..., LLC. is seeking a Senior Systems Administrator to support lifecycle sustainment... ...role involves maintaining secure and efficient environments in both on-premises and cloud-based settings. The ideal... ...have strong experience in Windows and Linux systems, patch management,...CloudWindowsLinux
- ...United States (Maryland) seeks a Senior System Administrator to support CMS portfolio enterprise IT systems... ...upgrades, and mentor staff across Windows and UNIX/Linux environments. Responsibilities include troubleshooting, security hardening, and implementing automation with...CloudWindowsLinux
- ...Maryland is seeking a highly experienced System Administrator to implement, troubleshoot, and... ...includes Tier 1 and Tier 2 support, UNIX/Linux and Windows administration, and network component... ...with automation tools and cloud platforms. #J-18808-Ljbffr WyetechllcCloudWindowsLinux
- Cymertek Corporation is seeking a proactive System Administrator to maintain and secure our IT infrastructure in Annapolis Junction, MD. You will... ...include a Bachelor's degree and strong experience with Windows/Linux, cloud management, virtualization, scripting, and...CloudWindowsLinuxFlexible hours
$100k - $165k
...expertise in network, system engineering and... ..., develop, test, secure, integrate, implement... ...cleared System Administrator to join our team... ...AWS cloud resources, including... ...Bash and Python Windows Server 2019 and 2022 environments, Linux distributions (e.g...CloudWindowsLinuxTemporary workLocal areaFlexible hours$120k - $145k
Linux administration, containerization, Proxmox virtualization, Ansible / SALT Automation, Scripting (Bash, Perl, Python... ...Compliance, STE/STN support, experience with cloud/AWS, CIFS, Centrify (this is a mixed Linux/Windows env). Any administrative experience with Windows...CloudWindowsLinuxFull time$85k - $141.6k
...the forefront of national security, providing advanced solutions... ...and customer-oriented System Administrator to join our team in the... ...multiple HW end points with VDI, Windows, Unix, and Cloud environments. Design... ...with Windows and Linux systems ~ Security + Certification...CloudWindowsLinuxHourly payContract workTemporary workWork experience placementLocal areaRemote workFlexible hours- Vibrint in Maryland is seeking a System Administrator to support mission-critical IT systems and infrastructure across Windows and UNIX/Linux environments. You will manage day-to-day operations... ...Tier 1-2 issues, and ensure security and reliability for enterprise services...WindowsLinux
- Options for Systems Administrators, all levels - FS Poly Annapolis Junction,... ...troubleshoot issues, and uphold security. Manage user accounts,... .... Strong problem‑solving & cloud familiarity. Senior: 6+ years... ...for experience with Windows, Linux, Unix systems. Cloud platform...CloudWindowsLinuxRemote work
- Options for Systems Administrators, all levels - FS Poly Annapolis Junction,... ...troubleshoot issues, and uphold security. Manage user accounts,... .... Strong problem‑solving & cloud familiarity. Senior: 6+ years... ...for experience with Windows, Linux, Unix systems. Cloud platform...CloudWindowsLinuxFor contractorsRemote work
$130k - $145k
...ARSIEM is currently looking for a System Administrator 2. The position will support one of... .... Configures and manages UNIX and Windows operating systems and installs/loads... ...performance. Minimum Qualifications Linux MongoDB AWS - Cloud exp Kubernetes Terraform Ansible...CloudWindowsLinux$170k - $200k
...Maryland, United States Position Title: Systems Administrator What You’ll Be Owning GRVTY is... .... Configures and manages UNIX and Windows operating systems and installs/... ...Active TS/SCI with Polygraph Clearance Linux MongoDB AWS - Cloud experience Kubernetes Terraform...CloudWindowsLinux- Red Drum seeks a highly skilled cloud systems administrator in Maryland to tackle complex data challenges and support national security initiatives. The role emphasizes Linux, AWS, Kubernetes, and big data tooling in a high-security environment. Applicants should hold...CloudLinux
- ...LLC seeks a DevOps Engineer / System Administrator to drive automation,... ...classified environments, deploying cloud-native architectures and... ...Requirements include active security clearance with polygraph, 10... ...IAT Level I, AWS expertise, Linux security, PKI, #J-18808-Ljbffr...CloudLinux
$195k - $225k
DevOps System Administrator II — Mid-Level Annapolis Junction, MD We’re looking for... ...evaluating, and installing patches on Windows and Linux systems. Performing cloud deployment and management. CI/... .... Qualifications An active security clearance with polygraph. A...CloudWindowsLinuxContract workFlexible hoursNight shift- ...Annapolis Junction, MD is seeking a mid-level Systems Administrator to maintain multi-user computing environments, ensure security and reliability, and support day-to-day... ...Ideal candidates bring experience with Windows Server and Linux/Unix, backup and recovery practices,...WindowsLinux
$140k - $170k
...supporting critical national security infrastructure? T-Rex... ...looking for a fully cleared System Administrator 2 to join our dynamic team... ...Configures and manages UNIX and Windows operating systems and installs... ...innovative solutions in the areas of Cloud and Infrastructure Services,...CloudWindowsWork experience placementImmediate start- System Administrator LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI... ...maintain the stability, security, and performance of our IT... ...Administrator, Systems Engineer, Cloud Administrator,... ...REQUIRED SKILLS Proficiency with Windows and Linux systems Experience with cloud...CloudWindowsLinuxTemporary workFor contractorsImmediate startFlexible hours
- Red River is seeking a Systems Administrator to manage and improve our hybrid infrastructure, including Windows Server, Active Directory, Entra ID, Microsoft 365, Nutanix, and cloud platforms. You will ensure availability, security, and performance across enterprise systems...CloudWindowsRemote job
$165k - $185k
...passionate DevOps Engineer / Cloud Platform Engineer to... ...building resilient systems using the latest... ...installing patches on Windows and Linux systems Performing... ...responsible for the administration, maintenance, and support... ...improve reliability, security, and performance....CloudWindowsLinuxContract workFor contractorsFlexible hoursNight shift
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