272 linux system engineer jobs at 97 companies in Aberdeen, MD
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
ManTech: Provides technology solutions for defense and intelligence agencies.
12+ YOEActive TS/SCI with polygraph; 12+ years systems administration experience; Linux Red Hat, VMWare, Splunk or Ansible experience; IAT I certification within 60 days; systems engineering and troubleshooting skills.
Columbia Technology Partners: Provides IT, cybersecurity, and management consulting to government agencies.
U.S. citizenship required; active security clearance with appropriate polygraph required. DOD 8570 certification required. Role targets experienced Linux system administrators/engineers supporting sensitive government missions.
Base-2 Solutions: Delivers engineering and technology services for national security.
14+ YOEActive Top Secret/SCI with Full Scope Polygraph, 14 years systems engineering experience (or 19 without degree), bachelor\u0002s in engineering or related (or 5 extra years), Linux, VMware vSphere, Cisco NXOS/IOS/ACI, NetApp, Puppet, DoDAF/SOA familiarity, ability to produce SE documentation.
Wyetech: Provides professional engineering services for government and commercial sectors.
Active TS/SCI with agency-appropriate polygraph, advanced systems engineering experience (8+ years depending on degree), Linux administration, Ansible, VMware, Kubernetes, strong troubleshooting and systems integration skills.
Kroll: Provides global risk and financial advisory solutions.
8+ YOESenior System Engineer with 8+ years DoD/IC experience; TS/SCI with Full Scope Polygraph active before start; on-site only; strong Linux and systems engineering lifecycle skills.
RHEL, CentOS, Rocky Linux, FreeIPA, Active Directory, Linux administration, Bash, Python, Ansible, Kubernetes, Docker, VMware, SALT, IT automation, CI/CD, GitOps, Terraform
Jovian Concepts: Provides technical services and engineering to the intelligence community.
20+ YOETS/SCI with Polygraph and 20+ years systems engineering; Linux servers, containers, GOTS, NiFi; NexGen architectures; leadership in architecture and documentation.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
15+ YOECurrent DoD Top Secret/SCI with Polygraph; 15 years systems engineering experience (or Master's +13 / Bachelor's with 15); hands-on RF test equipment, site survey/install experience, Linux, Microsoft Visio/Excel/Word, troubleshooting, travel up to 3-4 weeks.
RF spectrum analyzers, oscilloscopes, signal generators, hand tools, power tools, Microsoft Visio, Microsoft Excel, Microsoft Word, Linux, GOTs
Motorola SolutionsNYSE: MSI: Provides mission-critical communications and public safety technology.
3+ YOESenior system engineer with RF, IP networking, and telecom system design; BS in engineering with 3+ years or 5+ years experience; US work authorization; travel 25-50%; remote work.
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
14+ YOEActive security clearance with polygraph; bachelor’s in a technical discipline plus 14 years SE experience (or 19 years without degree); agile experience; requirements management, technical documentation, and mentoring skills.
Entegra Systems: Provides engineering and intelligence analysis for government missions.
5+ YOEBachelor's degree in computer engineering or related field; 5 years SE experience (9 total with degree substitution); TS/SCI with Poly clearance; strong IdAM system skills.
Active Directory, LDAP, DNS, Firewalls, PKI, Perl, Windows, Linux, Red Hat Directory Server
Belay Technologies: Provides specialized technology and engineering services to the DoD.
7+ YOETS/SCI with polygraph required; Bachelor’s in systems/CS/IS/engineering or 7+ years SE experience (12 years if substituting degree); 24x7 Tier 1/2 support experience; knowledge of PKI, ABAC, LDAP, SQL, REST, Linux, and ticketing tools (JIRA, Redmine, ServiceNow).
The Wenger Group: Family-owned agricultural organization providing animal nutrition and protein products.
5+ YOEDesign, implement, and optimize enterprise IT infrastructure across 30+ locations; expertise in Windows/Linux, virtualization, cloud (AWS/Azure/GCP), automation (Ansible, Terraform, PowerShell/Python), security and disaster recovery; 5+ years experience.
Windows Server, Linux, VMware vSphere, Hyper-V, Nutanix, Microsoft Azure, AWS, GCP, Docker, Kubernetes, Terraform, Ansible, PowerShell, Python, Bash, Veeam, Rubrik, Cohesity, Microsoft Active Directory, Group Policy, DNS, DHCP, IAM, Microsoft Azure Security Center, AWS IAM, CI/CD, NIST, ISO 27001, SOC 2
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOE10+ years of related software engineering experience; TS/SCI with Poly clearance; experience with SCRUM, Docker, Git, Jenkins, Nexus; Angular, Java, JavaScript; Linux (RedHat).
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
RealmOne: Provides advanced technology services for national security agencies.
0+ YOEBachelor's in a relevant field (or 5 years SE experience); no prior experience required. Basic Linux desired; experience with Confluence, troubleshooting, data validation, and Level 1 restoration; active security clearance with polygraph required.