810 linux systems engineer jobs at 263 companies in Greenbelt, MD
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LINUX SYSTEMS ENGINEER
Greenbelt, Maryland, United States
$120k-$150k/yrHybridFull Time
MCSG Technologies: Provides information technology, engineering, and healthcare support services.
12+ YOE12+ years Linux systems administration (RHEL/Ubuntu), shell scripting, Ansible, networking/TCP-IP, patch and backup management, production monitoring, and ability to meet NASA access/citizenship requirements.
Ubuntu, RHEL, Ansible, Apache, Confluence, Gitlab, Docker, IBM BigFix, SentinelOne, Red Hat Satellite
Nightwing: Provides advanced cyber and intelligence solutions for national security.
5+ YOECurrent Top-Secret clearance with SCI eligibility; 5+ years Linux systems engineering, 3+ years advanced Linux networking, VPN, and SaltStack automation; hands-on Debian/Ubuntu and scripting with Python/Bash.
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOEActive TS/SCI clearance with eligibility for CI Polygraph, 5+ years Linux systems engineering experience, Nutanix AHV administration, Ansible automation, and scripting (Bash/Python).
D2 Consulting: Provides IT engineering and cybersecurity services to federal agencies.
5+ YOE5+ years Linux systems engineering experience, Nutanix/HCI and Red Hat administration, Ansible and scripting (Bash/Python), Bachelor’s in CS/Engineering or equivalent, active TS/SCI clearance and CI Polygraph eligibility.
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOEActive TS/SCI clearance, 5+ years Linux systems engineering, Nutanix (AHV/Prism), Ansible, Bash/Python scripting, Red Hat experience, and strong troubleshooting and security practices.
Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.
3+ YOEU.S. citizen with active TS/SCI and CI polygraph, Bachelor’s preferred (experience accepted), minimum 3 years Linux systems/admin and DevOps infrastructure, LAN/WAN, DoD cybersecurity, and hardware experience.
Linux, Infiband, Juniper Network and Security Platforms
ManTech: Provides technology solutions for defense and intelligence agencies.
14+ YOERequires active TS/SCI with Poly, 14+ years systems engineering with a bachelor\u0002s (or 19+ years with an associate), extensive Linux administration, container orchestration (Kubernetes/Docker/Rancher), DevOps/monitoring (nxLog, Grafana, Git), Bash scripting, and Ansible or SaltStack.
Abile Group: Provides IT, cybersecurity, and program management services to government agencies.
5+ YOE5+ years administering enterprise Linux and Nutanix HCI, Ansible automation, scripting (Bash/Python), Red Hat tooling, security best practices, and monitoring/observability.
Trinity Global Consulting: Provides professional support services to US government agencies.
4+ YOEBachelor's in Computer Science (or related) with 4+ years systems administration experience, active Top Secret clearance with CI polygraph, CompTIA Security+ before start, 2+ years AWS experience, strong Linux skills, and familiarity with Jira/Confluence/BitBucket.
Invictus International Consulting: Provides cybersecurity and technology services for national security systems.
5+ YOEBachelor's or equivalent experience, 5+ years Linux systems engineering with RHEL, VMware, Ansible, scripting (Bash/Python), DISA STIG hardening, Security+ and DoD 8570 IAT II/Microsoft Certified Professional required, US citizenship and Public Trust.
BMC True Sight Server Automation (TSSA), Red Hat Enterprise Linux (RHEL), VMware vSphere, Ansible, REST API, OpenShift, Docker, Kubernetes, Bash, Python, AWS, Azure
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBS degree (Computer Science preferred) or 5+ years experience; 5+ years Linux SysAdmin; automated RHEL deployments; Ansible/Puppet; shell scripting; independent work; Interm Secret clearance and ability to obtain Secret; IAT Level II and Security+ CE preferred.
Red Hat Enterprise Linux, Ansible, Puppet, shell scripting, Cobbler, Atlassian Suite, Solarwinds, Splunk, SLURM
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
4+ YOEBachelor's in CS/Info Security or related, active Public Trust clearance, minimum 4 years supporting IT infrastructure including HPC, experience with Windows/macOS/Linux, scripting, FISMA, and cloud/Infrastructure-as-Code operations; must reside in Washington DC Metro area.
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
3+ YOEU.S. citizen with active TS/SCI and ability to obtain CI polygraph; bachelor’s in related field or equivalent experience; minimum 3 years Linux systems administration/systems engineering, DevOps infrastructure, LAN/WAN, DoD cyber requirements, and hardware support.
GovCIO: Provides technology and mission support services to federal agencies.
9+ YOEHigh school with 9+ years, DoD 8570 IAT II or higher and Linux certification, advanced RHEL engineering, automation scripting, DISA STIGs hardening, active Secret clearance.
RHEL, Ansible, Bash, Python, Puppet, DISA STIGs, Linux, RHCE, RHCSA
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
10+ YOEBachelor's in STEM, 10+ years experience, DoD 8140 (Security+ CE), expertise with Linux cloud platforms, cloud architecture, Ansible/Terraform/Jenkins/GitLab, Kubernetes/Rancher, databases (PostgreSQL/MySQL/MongoDB), AD/SAML/OAuth/OIDC; TS/SCI w/ Poly and U.S. citizenship required.
Linux, PostgreSQL, MySQL, MongoDB, Ansible, Terraform, Jenkins, GitLab, Rancher, Kubernetes, Active Directory, SAML, OpenLDAP, OAuth 2.0, OIDC, MBSE, ServiceNow, Grafana, Splunk, REST, GraphQL, API Gateway, ETL, Azure, Google, Oracle, IBM
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOERequires TS/SCI with Polygraph, bachelor’s degree or equivalent, 3+ years systems engineering experience, knowledge of systems engineering lifecycle, experience with Jira/Confluence/Zephyr and Linux, strong communication and problem-solving skills.
Computer World Services: Provides IT modernization and cybersecurity solutions for federal government agencies.
3+ YOE3+ years managing Linux systems, 2+ years with Ansible and Linux virtual desktops, experience with AWS and VMware, CIS hardening, automation, patching/vulnerability remediation, and collaborating with application teams.
Amazon Linux 2023, Ubuntu 22.04, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, VMware, AWS WorkSpaces, Ansible, AWS Systems Manager, AWS CloudFormation, AWS Service Catalog, AWS EMR, SLURM, AWS ParallelCluster, Python, Center for Internet Security (CIS) benchmarks
Quartermaster AI: Deploying AI-powered sensor networks for maritime domain awareness.
5+ YOE5+ years embedded Linux/platform software experience; strong C++ and Python; Yocto, ROS2, Jetson/TensorRT/CUDA experience; networking, OTA update systems, hardware bring-up, and cross-boundary debugging skills.
Systems Engineer 3 - Linux/PKI/Crypto/SSP/STE/STN/AWS
Annapolis Junction, Maryland, United States
$130k-$270k/yrOnsiteFull Time
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
6+ YOETop Secret/SCI with favorable polygraph and U.S. citizenship required. Bachelor\u0002s in a technical discipline, 6 years systems engineering, IAT Level II, experience with containers/cloud, storage, virtualization, networking, Linux, PKI/TLS/crypto, and SSP compliance.