28 linux system administrator jobs at 18 companies in Hamilton, OH
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Linux System Administrator
Beavercreek, Ohio, United States
$105k-$115k/yrOnsiteFull Time, Temporary
Amatriot Group: Provides IT consulting and mission-critical technology support services.
5+ YOE5+ years administering enterprise Linux environments; bachelor\u0002s in CS or related; experience with Red Hat/Ubuntu, virtualization, automation (Ansible,Bash,Python), security hardening, and DoD compliance.
Red Hat Enterprise Linux, Rocky Linux, Ubuntu, Active Directory, LDAP, Bash, Python, Ansible, VMware vSphere, ESXi, SSH, SCP, TCP/IP, DNS, DHCP, Git, Bitbucket, Bamboo, GitLab, CI/CD, STIGs, CIS Benchmarks
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.
Riverside Research: Conducts independent scientific research for US national security.
5+ YOEAdminister enterprise Linux systems (RHEL, Rocky, Ubuntu), perform patching/hardening, automation with Ansible/Python/Bash, user management, troubleshooting, and security compliance; DoD 8140/CompTIA Security+ required; bachelor’s and 5+ years experience.
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, CI/CD, STIGS, CIS Benchmarks
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).
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.
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
Senior System Administrator — FMWorkFlow Infrastructure
Ellsworth AFB or Wright-Patterson AFB
OnsiteContract
Chameleon Integrated Services: Provides IT systems integration and cybersecurity for federal agencies.
Windows/Linux administration, Active Directory/service-account administration, Nutanix or CyberArk PAM sustainment, patching and change control, backup/recovery and COOP support, diagnostics and performance analysis.
Windows, Linux, Active Directory, Nutanix, CyberArk, IAVA, TCNO, NOTAM, STIG
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
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
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
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOE7+ years Linux administration; automation with Ansible/Terraform; containers Docker/Kubernetes/Podman; SELinux/FApolicyd, STIG; IdM/LDAP; networking and security concepts; TS/SCI clearance; Bachelor's in CS/Engineering/STEM; RHCE or LFCE.
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
3+ YOESecret clearance with TS/SCI eligibility, IAT Level II certification, and 3+ years administering and securing enterprise or government server infrastructures; Linux, virtualization, Active Directory, and hardening experience required.
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.
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
8+ YOE8+ years IBM z/VM administration, 6+ years guest provisioning (z/OS,z/VM,z/Linux,z/VSE), high-availability production experience, HCD/IOCDS and IBM Z hardware knowledge, strong troubleshooting and implementation skills.
IBM z/VM, z/OS, z/Linux, z/VSE, CA/Broadcom suite of VM products, DCSS, NSS, Hardware Configuration Definition (HCD), Input/Output Configuration Data Set (IOCDS)
Aptima: Engineering human-centered technology solutions for national security.
Experience administering and securing Windows or Linux servers; CompTIA Security+ or equivalent DoD IAT Level II certification; cybersecurity compliance, vulnerability scanning, NIST frameworks, and active Secret clearance required.
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
8+ YOE8+ years z/VM administration experience, 6+ years guest provisioning for z/OS,z/Linux,z/VSE; strong troubleshooting and IBM Z hardware/I/O knowledge.
z/VM, z/OS, z/Linux, z/VSE, RSCS, TCPIP SSL, VTAM, DCSS, NSS, CA/Broadcom suite of VM products, IOCDS, HCD
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
8+ YOE8+ years of hands-on IBM z/VM administration, 6+ years guest provisioning for z/OS,z/Linux,z/VSE, high-availability production experience, troubleshooting and capacity planning skills.
IBM z/VM, IBM z/OS, IBM z/Linux, IBM z/VSE, CA/Broadcom VM suite
Base-2 Solutions: Delivers engineering and technology services for national security.
10+ YOEActive TS/SCI with CI Polygraph, DoD 8570 IAT II/IAM II certification, RMF/STIG experience, Linux (CentOS) and Oracle familiarity, CI/CD (GitLab) and cloud experience preferred, 10+ years operations experience.
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