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123 linux system engineer jobs at 44 companies in Wilmington, DE

1mo
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Linux Systems Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Ghost Robotics
Ghost Robotics: Developing autonomous quadrupedal robots for defense and industrial applications.
Deep Linux kernel and embedded Linux expertise, experience with kernel patching, cross-compilation, debugging utilities, C++, Python, Bash, Git, and embedded platforms (Yocto, Jetson). Permanent U.S. residency and background checks required.
C++, Python, Bash, Yocto Project, Gentoo, Arch Linux, Ubuntu, Debian, gdb, strace, dmesg, journalctl, perf, Valgrind, Git, VS Code, Vim, nano, NVIDIA Jetson, JetPack SDKs, Board Support Packages (BSPs), CMake, Make, Ninja, GitLab CI, GitHub Actions, Jenkins, Docker, systemd-nspawn, iptables, nftables, I2C, SPI, UART, GPIO, Device Tree Source (DTS)
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2w
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Principal Engineer, System Verification
Horsham, Pennsylvania, United States
$101k-$172k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
8+ YOEBachelor's in EE/CS,8+ years embedded systems verification,5+ years optical networking,experience with Netconf/YANG,Restconf,CLI,SNMP,gRPC,Python,CI/CD and Linux-based systems.
Python, Jenkins, Gitlab, VS code, Netconf, YANG, Restconf, CLI, SNMP, gRPC, Open Config, TCP/IP, Ethernet, OSPF, BGP, LLDP, OTDR, CI/CD
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3mo
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System Engineer
Lancaster, Pennsylvania, United States
HybridFull Time
The Wenger Group
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
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1mo
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Information System Security Engineer
Philadelphia, Pennsylvania, United States
$85k-$100k/yr OnsiteFull Time
The GBS Group
The GBS Group: Provides technical engineering and maintenance services for infrastructure assets.
3+ YOEABET-accredited BS in CS/EE/CE or cybersecurity, 2–3+ years cybersecurity/IT experience, Security+ or CISSP, RMF and Linux experience, vulnerability analysis experience, ability to obtain security clearance (US citizenship required).
RMF, DISA Security Technical Implementation Guides (STIGs), Security Requirements Guides (SRGs), Assured Compliance Assessment Solution (ACAS), ACAS, AV, Standard Engineering Process (SEP), Windows, Linux, Red Hat Enterprise Linux (RHEL), VxWorks
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1w
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DevOps Support Engineer - Linux
Bala Cynwyd, Pennsylvania, United States
OnsiteContract
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
Support Linux systems for production trading, troubleshoot outages, script automation (Bash/Python), communicate with business and engineering teams; BS in technical field preferred.
Bash, Python, Unix, Linux
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DevOps Support Engineer - Linux
Bala Cynwyd, Pennsylvania, United States
OnsiteContract
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
Experience in application support/operations/DevOps or systems administration; scripting (Bash, Python); Unix/Linux command line; troubleshooting during outages; ability to integrate AI tools; BS in a technical discipline preferred.
Bash, Python, Unix, Linux
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2w
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Technical Lead Member Engineering Staff - Systems Security Engineer (40852)
Camden, New Jersey, United States
$105k-$194k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
12+ YOEBachelor's in engineering, active DoD clearance (SECRET minimum), 12+ years systems engineering experience with information assurance/cryptography, NSA Type-1 experience preferred, MBSE and integration/test experience, strong communication skills.
Model-Based Systems Engineering (MBSE), EKMS, KMI, PKI, TLS, Linux
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1mo
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Systems Engineer - Linux TS/ SCI (TS/SCI Required)
King of Prussia, Pennsylvania, United States
$77k-$135k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEActive TS/SCI clearance, US citizenship, Bachelor’s degree (or equivalent) with 1+ years experience (or Master’s with no experience). Experience with Linux administration, systems integration, configuration management, and scripting (Ansible, Bash).
Linux RedHat, Red Hat OpenShift, Ansible, Bash, Ansible Tower, AWX
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Systems Engineer
Arlington or Mount Laurel or Fall River or San Diego
$74k-$184k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops software and systems solutions to rapidly deliver mission‑critical capabilities to the U.S. government.
0+ YOEAbility to obtain/maintain Secret clearance; Bachelor's in Systems Engineering or equivalent experience; 0–5 years' professional experience; experience with C/C++, Python, JavaScript/Java, Linux, Git, and DevSecOps; up to 10% travel.
C, C++, Python, JavaScript, Java, Linux, Git, Make, Maven, Ant, X-Windows, Jenkins, Jira, Atlassian, VMware vSphere, Azure, AEGIS Weapon System Common Source Library (CSL), Ship Self Defense System (SSDS) Single Source Library (SSL)
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3w
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Systems and Database Engineer | Database Services | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
1+ YOEExperience with database and systems engineering, SQL and Python proficiency, Kubernetes and Linux fundamentals, and 1+ years in database/systems engineering or related roles supporting production environments.
MariaDB, MongoDB, InfluxDB, ClickHouse, SQL, Python, Kubernetes, Neo4j, Oracle, ProxySQL, Terraform, Prometheus, Grafana, Linux
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3w
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Cross Domain Systems Engineer (CDS)
Aberdeen Proving Ground, Maryland, United States
$108k-$228k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOEBachelor's degree and 3+ years experience; Secret clearance required. Experience engineering/integrating Cross Domain Solutions, familiarity with DoD RMF and related policies, hands-on CDS technology experience, Linux systems engineering.
Radiant Mercury, High Speed Guard, TACDS, ISSE Guard, OWL XD, Linux, DoD Risk Management Framework (RMF), ICD 503, NIST 800-53, DoDI 8540.01, AR 25-2-1
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1w
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Distinguished Engineer - AI Security
Johnston or Pittsburgh or Irving or Phoenix or Franklin or Charlotte or Cleveland or Boston or Iselin or Philadelphia or Chicago
$175k-$250k/yr OnsiteFull Time
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
10+ YOE10+ years in software/platform/security/data engineering; strong Python and Linux scripting; AWS and cloud security experience; CI/CD and large-scale distributed systems expertise; bachelor's degree required.
Python, Bash, AWS, Linux, Jenkins, CircleCI, GitHub Actions, Kubernetes
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2mo
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Reliability Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Proscia
Proscia: Provides AI-powered software for digital pathology and cancer research.
Hands-on container deployments, Linux systems, problem solving, and customer-facing collaboration.
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1w
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Engineer 3, Cyber Security Engineering-0752
Philadelphia, Pennsylvania, United States
HybridFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
2+ YOEBachelor's in CS/Engineering, 2 years developing/maintaining software security systems, web app penetration testing, Linux and Python scripting; OSCP required.
Burp Suite, Bash, Python, Nuclei, Qualys, Nessus, Kali Linux
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2w
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Systems Engineer III** Hybrid in Horsham, PA
Horsham or Philadelphia or New Jersey
$72k-$119k/yr HybridFull Time
LexisNexis
LexisNexisNYSE: RELX: Provides legal research and business analytics software solutions.
6+ YOEUS citizen required with Public Trust clearance; 6+ years systems engineering experience; Windows and Linux administration; Active Directory, DNS, DHCP, virtualization, storage, backup, cloud (Azure/AWS); PowerShell and automation experience.
Windows Server 2016–2025, Microsoft Azure, Hyper-V, Microsoft Entra ID, Microsoft Intune, Azure Monitor, Datadog, PowerShell, Bash, Python, Ansible, Terraform, Qualys, Tanium, Microsoft Defender
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2w
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Systems Engineer III** Hybrid in Horsham, PA
Horsham or Philadelphia or New Jersey
$72k-$119k/yr HybridFull Time
RELX
RELXLondon Stock Exchange: REL: Provides professional data analytics, scientific publishing, and trade exhibitions.
6+ YOEUS citizen eligible for Public Trust clearance, Bachelor's or equivalent,6+ years systems engineering experience, Windows/Linux administration, Azure/AWS, virtualization, storage/backups, automation with PowerShell/Ansible/Terraform, monitoring and security tooling.
Windows Server, Microsoft Azure, Hyper-V, Microsoft Entra ID, Microsoft Intune, Azure Monitor, Datadog, PowerShell, Bash, Python, Ansible, Terraform, Qualys, Tanium, Microsoft Defender
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1mo
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Customer Reliability Engineer - Infrastructure
San Francisco or Boston or Washington D.C. or Raleigh or Pittsburgh or Philadelphia or New York City or Miami or Columbus or Austin or United States
$125k-$130k/yr RemoteFull Time
Astronomer
Astronomer: Managed data orchestration platform powered by Apache Airflow.
5+ YOE5+ years with large cloud infrastructures, 3+ years Kubernetes, production distributed systems on AWS/GCP/Azure, strong Linux, Python scripting, DevOps/CI/CD, observability/monitoring, and customer-facing troubleshooting.
Apache Airflow, AWS, Azure, CI/CD, GCP, Infrastructure as Code (IaC), Kubernetes, Linux, Python
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3w
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Cross Domain Systems Engineer (CDS)
Aberdeen Proving Ground, Maryland, United States
$108k-$228k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOEBachelors in CS/EE/Cyber/IS with 3+ years experience; Secret clearance; experience with Cross Domain Solutions, DoD RMF/NIST 800-53, Linux, and CDS technologies; strong networking and cybersecurity skills.
Radiant Mercury, High Speed Guard, TACDS, ISSE Guard, OWL XD, Linux, DoD Risk Management Framework (RMF), NIST 800-53, ICD 503, DoDI 8540.01, AR 25-2-1
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3d
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Sr. Systems Engineer - Load Balancing
Philadelphia, Pennsylvania, United States
HybridFull Time
FreedomPay: A commerce platform provider delivering secure, high-volume payment processing and application delivery solutions.
8+ YOEExpert F5 and ingress experience, strong Linux/container and cloud skills, networking and PKI knowledge, scripting/automation experience, 8+ years infrastructure engineering and 5+ years application delivery experience.
F5 rSeries, BIG-IP, LTM, ASM, Advanced WAF, SSL/TLS, iRules, Kubernetes, OpenShift, Red Hat Enterprise Linux (RHEL), Docker, OCI-based containers, NGINX, NGINX Ingress Controller, OpenShift Routes, Kubernetes Ingress, PowerShell, Python, Ansible, Bash, Azure, AWS, Oracle Cloud, VMware
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2w
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Lead Data Integration Dev-Ops / Systems Engineer
Philadelphia, Pennsylvania, United States
$100k/yr OnsiteFull Time
City of Philadelphia
City of Philadelphia: Provides municipal services and governance to the city of Philadelphia.
5+ YOEBachelor's degree or equivalent,5+ years DevOps/systems engineering experience,cloud and Linux administration,automation and IaC (Terraform,AWS CDK,Helm),CI/CD,containerization,Docker,Kubernetes,AWS,monitoring and integration platforms.
Terraform, AWS CDK, Helm, GitHub Actions, Jenkins, Python, Bash, PowerShell, Docker, ECS, EKS, ECR, Batch, CloudWatch, IAM, VPC, S3, RDS, Grafana, Prometheus, AlertManager, SNS, Postgres, PostGIS, Apache Airflow, DBT, MuleSoft, Kubernetes, DataBridge, DataBridge-Airflow, AIS
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