536 linux engineer jobs at 123 companies in Halfway, MD

2mo
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Linux Engineer (Senior)
Herndon, Virginia, United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
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
3w
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Linux Engineer (Expert)
Herndon, Virginia, United States
$150k-$254k/yr OnsiteFull Time
BAE Systems
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
2mo
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Linux Developer
Dulles, Virginia, United States
OnsiteFull Time
REDLattice
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.
C, C++, IDA Pro, Ghidra, x64dbg, Hex-Rays
2mo
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Linux Systems Engineer
Sterling, Virginia, United States
OnsiteFull Time
Nightwing
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.
OpenVPN 2.6+, WireGuard, IPSec, SaltStack, Python, Bash, Git, tcpdump, Wireshark, iproute2, nftables, iptables, perf, sar, vmstat, iostat, eBPF, systemd, Debian Linux, Ubuntu Linux, Docker, Kubernetes, Google Cloud Platform (GCP), Amazon Web Services (AWS), Microsoft Azure, CI/CD
3mo
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Linux Admin/Test Engineer
Hanover, Maryland, United States
OnsiteFull Time
MAXISIQ
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
1w
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Linux Systems Engineer (TS/SCI)
Herndon, Virginia, United States
$95k-$140k/yr OnsiteFull Time
Maxar Intelligence
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
1w
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Linux Systems Engineer
Sterling, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI International
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.
Bash, Python, Perl, Ansible, Puppet, Chef, Docker, Kubernetes, SELinux, AWS, Azure, GCP, Cisco
1w
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Linux Systems Engineer
Sterling, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI
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.
Linux, Bash, Python, Perl, Ansible, Puppet, Chef, Docker, Kubernetes, SELinux, Cisco, AWS, Azure, GCP
1mo
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Sr. Linux Systems Engineer
Washington or Germantown
$143k-$178k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOEBachelor's in IT/CS, 8+ years Linux systems administration, deep Linux proficiency (Red Hat/CentOS/Ubuntu), scripting (Bash/Python/Perl), config management (Ansible/Puppet/Chef), virtualization/cloud (VMware/KVM/Hyper-V, AWS/Azure), automation, networking knowledge, US citizenship, DOE Q or TS clearance required.
Automation Tools, Linux, Red Hat, CentOS, Ubuntu, Bash, Python, Perl, Ansible, Puppet, Chef, VMware, KVM, Hyper-V, AWS, Azure, Docker, Kubernetes, DISA STIGs, NIST, CIS benchmarks
2mo
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Mid-Level Linux Software Engineer - Chantilly, Virginia, United States
Rockville or Chantilly
$100k-$140k/yr HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
5+ YOEBachelor's in CS/CE, 5-10 yrs C++ on Linux; OO design; Linux concepts; problem solving; teamwork; US citizenship; eligible for security clearance. Masters preferred; embedded/GPU/HPC experience a plus.
C++, Linux, CUDA, GPU Computing, Kernel, Device Drivers, File Systems, Multi-threading, Memory Management
4w
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Full-Stack Linux Cyber Application Developer
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years software development experience, 3+ years Python, 2+ years JavaScript, Linux OS experience, TS/SCI with polygraph, bachelor's degree or 8+ years experience, familiarity with containers and CI/CD.
Python, JavaScript, Linux, Docker, Podman, Angular, CI/CD
2mo
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Linux CNO Software Engineer
Herndon, Virginia, United States
$105k-$209k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active TS/SCI clearance (US citizen), experience in C, Python, Assembly, Linux system/kernel and driver development, understanding of network devices/protocols and reverse engineering; SCI eligibility required.
C, Python, Assembly, Linux, x86, ARM, RTOS
1mo
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Linux and Ansible Automation Engineer - JB
Reston, Virginia, United States
$150k-$180k/yr OnsiteFull Time
Telos
TelosNASDAQ: TLS: Provides cyber, cloud, and enterprise security solutions for government and commercial clients.
10+ YOETS/SCI w/CI Poly clearance required; 10+ years administering Linux (RHEL); Ansible and IaC experience; scripting with Bash/Python/PowerShell; DoD/ federal security compliance experience; ability to obtain DoD 8570 certifications.
RedHat Enterprise Linux (RHEL), Ansible, Terraform, Salt, Puppet, Chef, Bash, Python, PowerShell, VMware vSphere, Kubernetes, AWS, Azure, GCP, NetApp, Git
2mo
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Senior Systems Engineer- Linux Cloud Platforms
Sterling, Virginia, United States
$170k-$210k/yr OnsiteFull Time
Synergy ECP
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
3w
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Full-Stack Linux Cyber Application Developer, Lead
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years software development experience, 5+ years Python, 3+ years JavaScript, Linux admin, Agile experience, TS/SCI with polygraph, Bachelor\u0002s degree or 8+ years experience, CI/CD and container familiarity preferred.
Python, JavaScript, Linux, Docker, Podman, Angular
1w
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Linux Systems Engineer (TS/SCI)
Herndon, Virginia, United States
$95k-$140k/yr OnsiteFull Time
Vantor
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.
Linux, HPC, Infiband, Juniper, GPUs
1mo
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DevOps Engineer - Linux (Top Secret with agreement to obtain CI Poly)
Herndon or King of Prussia
OnsiteFull Time
North Point Technology
North Point Technology: Technology services and engineering for federal government missions.
Active Top Secret/SCI clearance (CI Poly eligible), RHEL/SE Linux administration, Red Hat Satellite and Ansible automation, deployment troubleshooting, software/library support, and Agile experience.
Red Hat Enterprise Linux (RHEL), SE Linux, Red Hat Satellite, Ansible
1mo
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Software Engineer
Carlsbad or Germantown
$117k-$185k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
4+ YOE4+ years software engineering experience in C/C++ with Linux systems, multithreading, networking, scripting (Bash/Ansible/Python), and CI/CD tools; bachelor's in CS required.
C, C++, Linux, Bash, Ansible, Python, TCP/IP, OSPF, BGP, Jenkins, JIRA, Git, Perforce, Kubernetes, Containers, CI/CD, AWS, GCP, Claude, Copilot
3mo
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Systems Engineer
Chantilly or Herndon
$175k-$220k/yr OnsiteFull Time
Insight Xcite
Insight Xcite: A mission-focused consulting firm that supports critical government programs with engineering, technology, cybersecurity, and analytics expertise.
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years systems engineering experience, Linux/Windows admin, VMware, AWS/Azure, scripting/automation, networking and security knowledge.
VMware, AWS, Azure, Linux, Windows, Cisco
1w
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Infrastructure Engineer
Sterling, Virginia, United States
OnsiteFull Time
Northstrat
Northstrat: Provides IT and engineering solutions for US government agencies.
5+ YOEDoD TS/SCI required, CompTIA Security+ required, 5+ years in network engineering and systems administration, strong Linux and virtualization experience, Cisco networking skills, ability to troubleshoot across layers.
Docker, Kubernetes, RHEL, CentOS, Ubuntu, Bash, Python, Ansible, Puppet, SolarWinds, Nagios, Zabbix, AWS, Azure, GCP, SNMP, Cisco