21 linux system administrator jobs at 13 companies in Sidney, 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
2d
Save
Mark Applied
Hide
Linux System Administrator
Vienna or Beavercreek
$115k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
5+ YOEBachelor's degree,5+ years administering enterprise Linux,experience with automation (Ansible,Bash,Python),virtualization (VMware vSphere),networking and security,DoD 8140 intermediate/CompTIA Security+ preferred.
Red Hat Enterprise Linux, Rocky Linux, Ubuntu, Bash, Python, Ansible, VMware vSphere, SSH, SCP, TCP/IP, DNS, DHCP, ESXi, Git, Bitbucket, Bamboo, GitLab, CI/CD, STIGs, CIS Benchmarks, PKI, SSL/TLS, Active Directory, LDAP
3w
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
2d
Save
Mark Applied
Hide
Linux Systems Administrator (Temporary)
Beavercreek, Ohio, United States
OnsiteFull Time
Riverside Research
Riverside Research: Independent non-profit performing scientific research for national security.
5+ YOEU.S. citizenship required; 5+ years administering enterprise Linux (RHEL, Rocky, Ubuntu); Bachelor's degree in CS/CE/SE or related; DoD 8140/CompTIA Security+ (or equivalent); experience with Ansible, Bash, Python, VMware, AD/LDAP, and security hardening.
Red Hat Enterprise Linux (RHEL), Rocky Linux, Ubuntu, Bash, Python, Ansible, Active Directory, LDAP, VMware vSphere, SSH, SCP, TCP/IP, DNS, DHCP, ESXi, Git, Bitbucket, Bamboo, GitLab
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
1d
Save
Mark Applied
Hide
System Administrator - MASS RS
Dayton, Ohio, United States
OnsiteFull Time
Applied Research Solutions
Applied Research Solutions: Providing technical engineering and mission support to defense agencies.
5+ YOEUS citizen with active Top Secret/SCI, Bachelor\u0002s or equivalent, 5+ years system admin experience, Linux and Windows Server administration, virtualization, scripting (Bash/PowerShell/Python), RMF/STIGs experience.
Linux, Red Hat, CentOS, Ubuntu, Windows Server, VMware, Hyper-V, KVM, Bash, PowerShell, Python, Docker, Kubernetes, Ansible, Puppet, Chef, git, Rancher Kubernetes Engine (RKE2), Slurm, Fortify, DoD STIGs, RMF, NIST 800-53
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+
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
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)
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
1d
Save
Mark Applied
Hide
Systems Network 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.
5+ YOEMinimum 5 years systems administration experience, strong Microsoft Windows background, LAN/WAN networking, RMF/DoD security knowledge, CompTIA Security+ (or higher/DoD 8570) certification, bachelor\u0002s degree, ability to obtain TS/SCI clearance.
Microsoft Windows, UNIX, LINUX, SQL Server, Microsoft Teams, Zoom
2w
Save
Mark Applied
Hide
Systems Administrator 3
Winona or Sergeant Bluff or Maricopa or Hagerstown or Burlington or New Knoxville
$101k-$120k/yr RemoteFull Time
Schurz Communications
Schurz Communications: Family-owned provider of broadband, cloud, and IT services.
8+ YOE8+ years server or networking experience; expert TCP/IP and ISP protocols; strong shell/scripting and automation (Ansible, Terraform, Python); security, compliance, DR experience; ability to architect large-scale systems and mentor engineers.
Ansible, Terraform, Python, Windows, Linux, Unix, DHCP, DNS, RADIUS, VoIP
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.
10+ YOEActive TS/SCI with CI Polygraph, DoD 8570-compliant cert at IAT Level II or IAM Level II, 10+ years operations experience preferred, RMF experience, Linux (CentOS) and Oracle knowledge, CI/CD and DevOps familiarity.
Platform as a Service (PaaS), Infrastructure as a Service (IaaS), CI/CD, GitLab, CentOS, Oracle, Xacta, AWS, Azure, GCP, Service Oriented Architecture (SOA), Risk Management Framework (RMF)
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
Systems Administrator 3
Winona or Sergeant Bluff or Maricopa or Hagerstown or Burlington or New Knoxville
$101k-$120k/yr RemoteFull Time
Schurz Communications
Schurz Communications: Broadband, cloud services, and digital media provider.
8+ YOE8+ years server or networking experience, expertise in TCP/IP and ISP architecture, scripting and shell proficiency, automation with Ansible/Terraform/Python, security and compliance experience, bachelor's degree or equivalent.
Ansible, Terraform, Python, Windows, Linux, Unix, DHCP, DNS, RADIUS, VoIP
3w
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