3,097 linux engineer jobs at 593 companies in Walker Mill, MD
2mo
Save
Mark Applied
Hide
2mo
Linux Engineer (Senior)
Herndon, Virginia, United States
$133k-$226k/yrOnsiteFull Time
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOEBachelor's degree and 6+ years relevant experience; Top Secret/SCI eligibility with polygraph; expertise with Linux (RHEL, RockyOS), BASH, Linux administration, configuration management (Ansible, Puppet, Terraform, CloudFormation); cloud and scripting skills preferred.
Linux, Red Hat, RHEL, RockyOS, BASH, Ansible, Puppet, Terraform, CloudFormation, Python, Amazon Web Services (AWS), Google Cloud, Microsoft Azure, Kubernetes, OpenShift
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
11+ YOEBachelor's degree and 11+ years relevant experience; Expert Linux administration (Red Hat/RHEL/RockyOS), BASH/Python, Ansible/Puppet/Terraform/CloudFormation, cloud platforms, and Top Secret/SCI eligibility.
Linux, Red Hat, RHEL, RockyOS, BASH, Ansible, Puppet, Terraform, CloudFormation, Python, Amazon Web Services (AWS), Google Cloud, Microsoft Azure, Kubernetes, OpenShift
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
REDLattice: Provides advanced cybersecurity software and vulnerability research services.
Deep Linux internals and kernel development experience, systems-level C/C++ proficiency, reverse engineering skills, TS/SCI clearance, and kernel-mode debugging and vulnerability research experience.
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.
MAXISIQ: Provides specialized cybersecurity and communications engineering for federal agencies.
3+ YOETS/SCI with CI poly; Security+ (IAM II/IAT II); CompTIA Linux+; 3+ years Linux operations; 2+ years government contracts; Cisco configuration; Windows Active Directory; VMware; containers; bachelor's degree or equivalent.
Linux, VMware, Windows Active Directory, Docker, Cisco, CI/CD tooling
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
10+ YOE10+ years Linux engineering experience, Red Hat Enterprise Linux expertise, KVM virtualization, Ansible and scripting, EM automation and monitoring (Grafana/Prometheus/Loki/AlertManager/Thanos), IdM/LDAP/Kerberos experience, security-first platform hardening.
Red Hat Enterprise Linux, KVM, Ansible, Python, Shell scripting, IBM Spectrum Scale (GPFS), Grafana, Prometheus, Loki, AlertManager, Thanos, LDAP, Kerberos, SSSD, F5, haproxy, SELinux, LVM, dm-crypt, LUKS2, Kubernetes, OpenShift, IBM LinuxONE, IBM Z, Go, Rust, Java, C
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).
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
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.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
7+ YOE7+ years Linux systems engineering experience, TS/SCI with polygraph required, strong Linux administration, scripting (Bash/Python/Perl), automation (Ansible/Puppet/Chef), containerization (Docker/Kubernetes), networking knowledge, and compliance experience.
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.
Abile Group: Provides engineering and IT services to federal government agencies.
5+ YOETS/SCI eligible; Bachelor's or equivalent; 5+ years Linux systems engineering; Nutanix (AHV, Prism), Ansible, Bash/Python, RHEL, monitoring and virtualization experience.
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.
Resource Management Concepts: Provides IT, cybersecurity, and engineering solutions to government agencies.
10+ YOEActive DoD Top Secret clearance, 10+ years Linux (RHEL/CentOS) administration, 3+ years Red Hat Ansible Automation Platform experience, Python and Bash scripting, STIG/NIST hardening, associate degree or higher, IAT Level III compliance.
Red Hat Ansible Automation Platform, ansible-builder, Automation Controller, Python, Bash, Red Hat OpenShift, Kubernetes, Docker, AWS, Azure, GovCloud, Git, GitLab, ServiceNow, Splunk, Dynatrace
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOETS/SCI with polygraph required, typically 7+ years experience, bachelor\u0002s or equivalent, strong Linux administration, scripting (Bash/Python/Perl), automation, networking, containerization, cloud familiarity, and security/hardening experience.
teKnoluxion: Providing technical engineering and cloud services to the intelligence community.
5+ YOEActive TS/SCI with CI poly eligibility, Bachelor's in CS/engineering or equivalent,5+ years Linux systems and Nutanix experience, Ansible and scripting (Bash/Python), RHEL ecosystem familiarity, strong troubleshooting and security skills.
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.
CommIT Enterprises: Provider of technical engineering and IT services to government agencies.
3+ YOERequires 3+ years administering RHEL in enterprise environments, DoD Secret clearance, Linux troubleshooting, virtualization, networking, patching, and DoD 8570 IAT III or IAM II certification.
Red Hat Linux, Assured Compliance Assessment Solution (ACAS), Microsoft Visio, Nessus, Passive Vulnerability Scanner (PVS), Security Center (SC), Microsoft SharePoint, Red Hat Enterprise Linux (RHEL), SSH, LVM, VMware, vSphere, ESXI, SSL/TLS, nmtui, nmcli, service, netstat, grep, top, RPM, Ansible, Ansible-playbook, Red Hat Satellite, Active Directory, LDAP, Kerberos, Leapp, YUM, AWS, Azure, Nessus Attack Scripting Language (NASL), Python, Bash, Nessus Manager, Nessus Monitor, AMI, VPC, IAM, Autoscaling, Load Balancer