29 linux administrator jobs at 18 companies in Centerville, OH

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
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.
Node.js, Python, Elasticsearch, Redis
2w
Save
Mark Applied
Hide
Linux System Administrator
Beavercreek or Wright-Patterson Air Force Base
OnsiteFull Time
Radiance Technologies
Radiance Technologies: Engineering and technology solutions for defense and intelligence.
5+ YOEActive Top-Secret clearance with immediate SCI eligibility; 5+ years relevant experience with a Bachelor’s in CS/IT (or 10+ years without); RHEL 7/8, PostgreSQL, IntelliEarth Integrator; Security+ or higher.
Red Hat Enterprise Linux (RHEL), IntelliEarth Integrator, PostgreSQL, Tomcat, Apache, PKI
1mo
Save
Mark Applied
Hide
IT System Administrator/
Wright Patterson AFB, Ohio, United States
OnsiteFull Time
Quick Services
Quick Services: Provides specialized intelligence and security services to defense agencies.
5+ YOEBachelor's degree plus 5+ years IT/system administration experience; Windows/Linux server administration, Active Directory, patching, virtualization, networking, STIG implementation, vulnerability remediation, and enterprise user support.
Windows, Linux, Active Directory, STIG
1mo
Save
Mark Applied
Hide
Systems Administrator (AHT)
Wright-Patterson AFB, Ohio, United States
$63k-$95k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
0+ YOEActive Department of Defense Top Secret/SCI clearance required, IAT Level II (Security+ or SecurityX), HS or Bachelor's in STEM with experience alternatives, strong troubleshooting, Linux/Windows administration, scripting (Perl, Bash, PowerShell) preferred.
Linux, Windows, Perl, Bash, Microsoft PowerShell, SAN, NAS
1mo
Save
Mark Applied
Hide
System Administrator
Fairborn or Wright Patterson Air Force Base
OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Proficient with Linux, Docker, Kubernetes; Helm; cloud-based development environments; CI/CD; networking and security; strong communication.
Linux, Docker, Kubernetes, Helm, CI/CD, Cloud Development Environment
2mo
Save
Mark Applied
Hide
IT Systems Administrator III
Cincinnati, Ohio, United States
OnsiteFull Time
General Electric Credit Union
General Electric Credit Union: Member-owned institution providing banking and consumer lending services.
7+ YOESenior-level infrastructure administrator with Linux, Kubernetes, and Azure experience; 7+ years of systems administration; strong scripting and security focus.
Linux, Kubernetes, Azure, PowerShell, Bash, RBAC, Identity and Access Management
1mo
Save
Mark Applied
Hide
Classified Systems Administrator
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$115k-$160k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
3+ YOETS/SCI with CI Polygraph required; U.S. citizenship. 3+ years technical experience or equivalent. Linux (Red Hat/CentOS/Ubuntu) and Windows administration, Active Directory, networking, NAS, firewall, PowerShell automation, DoD security guidance knowledge, and after-hours support.
Red Hat, CentOS, Ubuntu, Windows, NAS Storage, Firewall, Microsoft Active Directory, Group Policy, PowerShell, Enterprise Virtualization Tools, Multi-Factor Authentication, Public Key Infrastructure, Web Server, LDAP, Security Technical Implementation Guidelines (STIGS), Security Content Automation Protocol (SCAP), Host Based Security System (HBSS), Assured Compliance Assessment Solution (ACAS), DoD Ports, Protocols, and Services (PPS)
3w
Save
Mark Applied
Hide
Application Systems Administrator
Wilmington, Ohio, United States
RemoteFull Time
R+L Carriers
R+L Carriers: Provides nationwide less-than-truckload shipping and logistics services.
3+ YOE3+ years systems administration or enterprise application support experience; experience with Windows and Red Hat Linux, Active Directory, SQL Server/Oracle, scripting, and enterprise application platforms; strong communication and customer service skills.
IBM Sterling File Gateway, Hyland OnBase, Azure DevOps, OpenText Capture, UKG Workforce Management, Milestone, Gallagher, McLeod, CargoWise, Red Hat Linux, Windows Server, Active Directory, Unix shell scripting, Windows PowerShell scripting, Microsoft Office Suite, Microsoft SQL Server, Oracle, T-SQL
1mo
Save
Mark Applied
Hide
Sr. System Administrator
Dayton, Ohio, United States
OnsiteFull Time
P3S Corporation
P3S Corporation: Government services provider for IT and financial program management.
8+ YOEActive Top Secret/SCI clearance, U.S. citizenship, 8+ years systems administration experience, 3+ years supporting SCI/SAP, Windows/Linux administration, RMF/DISA STIG experience, automation and virtualization skills, and required certifications (one or more listed).
ACAS, Nessus, HBSS, Splunk, SCAP Compliance Checker, tcpdump, netstat, ss, traceroute, ping, journalctl, systemctl, Kubernetes, OpenShift, Docker, Podman, Helm, Kustomize, CSI, CNI, Ansible, Terraform, Bash, PowerShell, Python, VMware, vSphere, ESXi, KVM, Active Directory, LDAP, IdM, DNS, DHCP, Group Policy Objects (GPOs)
1mo
Save
Mark Applied
Hide
Sr. System Administrator
Dayton, Ohio, United States
OnsiteFull Time
P3S Corporation
P3S Corporation: Federal government contractor providing IT, financial, and management services.
8+ YOEActive Top Secret clearance with SCI eligibility, U.S. citizenship, 8+ years systems administration experience, expertise with Windows/Linux, virtualization, containers, cloud, automation, RMF/DISA STIG, and senior technical leadership.
ACAS, Nessus, HBSS, Splunk, SCAP Compliance Checker, tcpdump, netstat, ss, traceroute, ping, journalctl, systemctl, Kubernetes, OpenShift, Docker, Podman, Helm, Kustomize, CSI, CNI, Ansible, Terraform, Bash, PowerShell, Python, VMware, vSphere, ESXi, KVM, Active Directory, LDAP, Group Policy Objects (GPOs), DNS, DHCP, SELinux, FApolicyd, NFS, SSH, Git, RMF, DISA STIG
3mo
Save
Mark Applied
Hide
Journeyman Systems Administrator
Wright-Patterson Air Force Base, Ohio, United States
OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: An employee-owned engineering services providing technical expertise in digital transformation and cybersecurity.
3+ YOESystems Administrator with Security+ and TS/SCI clearance with SCI/SAP eligibility; 3+ years Windows/Linux admin; scripting and virtualization experience.
Ansible, Bash, Python, VMware, KVM, Puppet, Chef, RHCSA, Linux+, Security+
4d
Save
Mark Applied
Hide
Systems Administrator 4
Dayton, Ohio, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
Active TS/SCI with CI Polygraph; DoD 8570 IAT II/IAM II certification; RMF experience; Linux (CentOS) and Oracle knowledge; experience with patching, backups, account administration, and CI/CD practices; strong analytical and communication skills.
Service Oriented Architecture (SOA), Risk Management Framework (RMF), GitLab, Xacta, AWS, Azure, GCP, Oracle, CentOS
2mo
Save
Mark Applied
Hide
Systems Administrator, Senior
Dayton, Ohio, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years Linux administration; automation with Ansible/Terraform; containers (Docker/Kubernetes/Podman); security hardening (IdM/LDAP, FApolicyd, STIG); TS/SCI clearance; BS in CS/Engineering; RHCE/LFCE; experience with network security and CI/CD.
Ansible, Terraform, Docker, Kubernetes, Podman, SELinux, FApolicyd, STIG, IdM/LDAP, RHCE, LFCE, OpenShift, EKS, RKE, Helm, Kustomize, CSI, CNI, GitLab CI, Jenkins, GitHub Actions, IPTables, NFTables, DNS, HAProxy, Nginx, sysctl
3mo
Save
Mark Applied
Hide
Journeyman Systems Administrator
Wright-Patterson AFB, Ohio, United States
OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
3+ YOESecurity+ certification; TS/SCI with SAP eligibility; 3+ years Windows/Linux admin; scripting (Bash/Python); strong troubleshooting and communication.
Ansible, Bash, Python, VMware, KVM, Puppet, Chef, RHCSA, Linux+
1mo
Save
Mark Applied
Hide
Systems Administrator (AHT)
Wright-Patterson AFB, Ohio, United States
$63k-$114k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
0+ YOEActive Department of Defense Top Secret clearance with SCI eligibility, IAT Level II (e.g., Security+ or SecurityX), HS/GED or Bachelor's in STEM with experience alternatives, strong troubleshooting and problem-solving skills.
Perl, Bash, PowerShell, Linux, Windows, SAN, NAS
2w
Save
Mark Applied
Hide
Jr-Sr. Systems Administrator *
Dayton, Ohio, United States
$76k-$140k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
0+ YOESecret clearance required; ability to obtain TS/SCI. Knowledge of Active Directory, Windows, Windows Server, OSI model; CompTIA Security+ preferred. Ability to lift 50 lbs, climb ladders; bachelor’s/HS with relevant experience acceptable.
Microsoft Active Directory, Microsoft Windows, Microsoft Windows Server, SQL, Linux, VPN, NIPR, SIPR
2mo
Save
Mark Applied
Hide
Purchasing and Government Property Administrator
Fairborn, Ohio, United States
HybridFull Time
Aptima
Aptima: Engineering human-centered technology solutions for national security.
3+ YOE3–5 years purchasing or government property experience; Secret security clearance preferred; strong communication; Deltek Costpoint proficiency; IT hardware lifecycle knowledge; cross-functional coordination.
Deltek Costpoint, Asset/CMDB tools, RFID tagging, Windows, Linux, Azure, AWS
1w
Save
Mark Applied
Hide
Sr. Infrastructure Engineer- Orchestration and Automation
Hopkins or Atlanta or Charlotte or Cincinnati or Irving
$120k-$141k/yr OnsiteFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
7+ YOEBachelor's or equivalent,7+ years IT experience,Linux administration,enterprise scheduling (Autosys/Airflow),Python/Go/Shell scripting,cloud and automation (IaC,CI/CD),incident response and troubleshooting.
Autosys, Airflow, Linux, Python, Go, Shell, Docker, Kubernetes, AWS, Azure, GCP, CI/CD, Infrastructure-as-Code
1w
Save
Mark Applied
Hide
Sr IAM Security Professional
Johnston or Medford or Boston or Pittsburgh or Philadelphia or Melville or Short Hills or Marlton or Glen Allen or Cleveland or Cincinnati
$100k-$150k/yr RemoteFull Time
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
5+ YOE5+ years experience in system security/identity and access management, experience with Azure/AWS/on‑prem directory services, password vaulting, privileged identity management, Windows/Linux/Unix administration, and database technologies.
Azure Active Directory, AWS Directory Services, Active Directory, LDAP, Single Sign-On, Multifactor, passwordless, Enterprise password vaulting, Privileged access management, Zero trust, Just in Time, Windows, Linux, Unix, Microsoft SQL, Oracle, Programming and Scripting Languages
2mo
Save
Mark Applied
Hide
Azure Infrastructure Support (O&M Cloud Engineer) Tech 3
Dayton, Ohio, United States
OnsiteFull Time
Castalia Systems
Castalia Systems: Provides cybersecurity and intelligence analysis services to federal agencies.
5+ YOEActive TS/SCI clearance, U.S. citizenship, bachelor's degree (or equivalent) with technical leadership experience, 5+ years cloud infrastructure (Azure/AWS), expert Linux/Windows administration, IaC and CI/CD tooling, PowerShell scripting.
Linux, Windows Server, Azure Bicep, ARM templates, Terraform, Ansible, Packer, Docker, Kubernetes, Jenkins, Azure DevOps, Azure Kubernetes Service (AKS), PowerShell, Git, AD DS, AD FS, AD CS, WSUS, YUM, ACAS Automation
1w
Save
Mark Applied
Hide
Help Desk Technician (TS/SCI Required)
Wright Patterson AFB, Ohio, United States
$38/hr OnsiteFull Time
Akima
Akima: Provider of mission-focused technical and administrative support for government agencies.
Must possess and maintain IAT Level II, active TS/SCI clearance, provide service desk and Level I/II support, perform account administration, monitor networks, and support Windows and Red Hat Linux workstations.
Solarwinds, Active Directory, Red Hat Linux, Site Scan, Microsoft Installer (MSI), Remedy, SIPRNet, JWICS, NIPRNet