29 unix administrator jobs at 22 companies in Dover, FL
3mo
Save
Mark Applied
Hide
Application Administrator
Tampa or United States
RemoteFull Time
3+ YOEU.S. citizen with T3 clearance, 3+ years application administration on Windows or Linux, bachelor's degree or technical certification, experience with security hardening, patch management, and application lifecycle.
Windows, Linux, Apache, Tomcat, IIS, LDAP, Active Directory, STIG, Splunk, ACAS, IPSwitch MoveIt, Oracle B2C, SharePoint, Tableau, Verint
2w
Save
Mark Applied
Hide
System Administrator
Tampa, Florida, United States
OnsiteFull Time
4+ YOEActive Secret clearance, DoD 8140 IAT Level II certification, bachelor\u0002s degree or 4+ years experience, virtualization/Linux/Microsoft certifications, experience with RMF, server and storage administration.
Linux, MS Server, MS Exchange, VMWare vCenter, VIEW VDI, VMware Horizon View, SCCM, ESXi, VMware vSphere, SAN, NAS, ADCS, IIS, Risk Management Framework (RMF)
1mo
Save
Mark Applied
Hide
Atlassian Administrator
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
1+ YOEAssociate's degree or 1 year admin experience, 1+ year system engineering/IT support, hands-on Atlassian suite experience, Jira administration, JQL/REST/Groovy, SDLC/agile knowledge, troubleshooting and security awareness.
Jira, Confluence, JQL, REST, Groovy, Oracle, Linux
1w
Save
Mark Applied
Hide
JR Linux System Administrator
Sarasota, Florida, United States
$51k-$101k/yr OnsitePart Time
Bachelor's degree in computer science, computer engineering, or related field, or equivalent experience; Linux and Red Hat administration, virtualization, security, integration, testing, and troubleshooting experience required.
Linux, Red Hat, Microsoft Office, Microsoft Visio, VMware, Red Hat Virtualization, KVM, NFS, NetApp, Perl, Bash, DISA STIG, Cisco IOS, VLANs, Satellite, Kubernetes, Podman, Ansible, Puppet, Git CI, Atlassian
1w
Save
Mark Applied
Hide
Systems Administrator - Tampa (Hybrid)
Tampa, Florida, United States
$85k-$95k/yr HybridFull Time
5+ YOE5+ years systems administration with SaaS and identity provider experience; SAML/OIDC/SCIM implementation; macOS/Windows/Linux support; scripting and API integration; onboarding/offboarding ownership; able to work hybrid in Tampa and travel up to 25%.
SAML, OIDC, SCIM, REST APIs, webhooks, macOS, Windows, Linux, iPaaS
2mo
Save
Mark Applied
Hide
Systems Administrator
Tampa, Florida, United States
OnsiteFull Time
8+ YOEBachelor's in CS or related field; 8+ years in a SysAdmin role; Windows and Linux; security and privacy knowledge; strong problem-solving and communication; independent and team player.
Windows, Linux, Network Security
1w
Save
Mark Applied
Hide
System Administrator
Tampa or Fayetteville
OnsiteFull Time
5+ YOEActive U.S. Secret clearance and citizenship; bachelor's degree or equivalent; 5+ years administering Windows Server, Linux, virtualization, storage, and enterprise infrastructure; DoD IAT Level II certification and STIG/RMF experience.
Microsoft Windows Server, Linux, Active Directory, Group Policy, DNS, DHCP, RMF, STIG, Microsoft Windows, CompTIA Security+ CE
1mo
Save
Mark Applied
Hide
Security Systems Administrator
Orlando or Reston or Tampa or United States
RemoteFull Time
2+ YOE2+ years supporting and securing enterprise systems, network and cloud environments; knowledge of hardening, patching, vulnerability and incident response; strong troubleshooting and communication skills.
Windows Server, Linux, Entra ID, Group Policy, Purview, Intune, AWS, Microsoft Azure, Google Cloud Platform
1w
Save
Mark Applied
Hide
Technology Support Administrator
Tampa or United States
RemoteFull Time
1+ YOERequires 12+ months technical support experience, high school diploma/GED, Windows and MS Office proficiency, technical troubleshooting, SQL and Java knowledge, communication skills, and reliable home internet.
Claude, Windows Server, Microsoft Azure AD, Microsoft Intune, Microsoft Exchange, Microsoft SharePoint, Microsoft Office, Microsoft Windows, Linux, SQL, Java, Jira Service Desk, PowerShell
1mo
Save
Mark Applied
Hide
Enterprise Monitoring Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Colorado Springs or Washington or Tampa or Springfield
$97k-$131k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
4+ YOEActive TS/SCI with polygraph, 4+ years IT experience, DoD 8140 certification (e.g., Security+ CE), hands-on experience with enterprise monitoring platforms, Windows/Linux administration, patching, hardening, and compliance.
SolarWinds, Splunk, Elastic/ELK, Dynatrace, AppDynamics, Nagios, Zabbix, Windows, Linux
1mo
Save
Mark Applied
Hide
Enterprise Monitoring Systems Administrator - TS/SCI w/Poly
Annapolis Junction or Colorado Springs or Washington or Tampa or Springfield
$97k-$131k/yr OnsiteFull Time
4+ YOEActive TS/SCI with polygraph, 4+ years related experience, DoD 8140/Information Assurance cert (e.g., Security+ CE), hands-on with enterprise monitoring platforms, Windows/Linux administration, patching and compliance experience.
SolarWinds, Splunk, Elastic/ELK, Dynatrace, AppDynamics, Nagios, Zabbix, Windows, Linux
4w
Save
Mark Applied
Hide
SITEC - Endpoint Security Administrator - MacDill AFB
MacDill AFB, Florida, United States
$80k-$128k/yr OnsiteFull Time
3+ YOETS/SCI clearance and DoD 8570.01-M IAT II required; minimum experience 9 yrs (HS),7 yrs (AS/AA),5 yrs (BS/BA) or 3 yrs (MS/MAA); experience managing endpoint security tool lifecycle.
Azure, AWS, Cloud Workload Protection Platforms (CWPP), Azure AD/Entra ID, Windows, Linux, VMs, containers
2mo
Save
Mark Applied
Hide
Site Reliability Engineer(APP Admin administrator)
Ontario or Greenville or Clearwater
$75k-$100k/yr OnsiteFull Time
3+ YOE3+ years middleware or application administration experience; install/configure Apache NiFi, Redis, Nginx, Hadoop; deploy on Kubernetes; Linux/Bash scripting; Docker and cloud (AWS/Azure/GCP); monitoring with Prometheus/Grafana/ELK; strong troubleshooting and incident response skills.
Apache NiFi, Redis, Nginx, Hadoop, Kubernetes, Kafka, Linux, Bash, Docker, AWS, Azure, GCP, TLS/SSL, Prometheus, Grafana, ELK
1mo
Save
Mark Applied
Hide
Systems Admin, Infrastructure
Clearwater, Florida, United States
OnsiteFull Time
2+ YOE2-4 years system administration experience with Windows/Linux, vSphere (multiple ESXi clusters), Citrix XenApp/XenDesktop, Active Directory, PowerShell/VBScript, IIS, and familiarity with M365/Azure; bachelor's in technology preferred.
Windows, Linux, VSphere 6, VSphere 6.5, VSphere 6.7, ESXi, Active Directory, PowerShell, Vbscript, Batch, Citrix XenApp, Citrix XenDesktop, M365, azure, Rightfax, IIS, Cisco UCS, Hyland Onbase, PRTG Network Monitor
1w
Save
Mark Applied
Hide
Networking Engineer
Tampa, Florida, United States
OnsiteFull Time
2+ YOEBachelor's degree and 2 years of networking experience, or associate degree and 3+ years. Requires complex network support, security knowledge, troubleshooting, and U.S. citizenship; DoD clearance eligibility required.
Arista, Cisco, CloudVision, PRTG, Perle OOBM, Microsoft Azure GCC-High, SolarWinds, Nagios, Infoblox, Microsoft Windows, Linux, Palo Alto, SNMP, NetFlow, Syslog, DNS, DHCP, IPAM, SFTP, TFTP, LDAP, SMTP, TLS, HSRP, OSPF, EIGRP, SD-WAN, VoIP, VLAN, VPN, WLAN, WAN, LAN, SIEM, CMMC, NIST 800-171, SOX
3mo
Save
Mark Applied
Hide
Database Administration Senior Advisor- Hybrid
Tampa, Florida, United States
HybridFull Time
3+ YOEMaster’s or Bachelor’s with significant database administration experience; Oracle 19c/18c/12c/11g, MongoDB, PostgreSQL; Linux/Exadata; cloud/on-premise DB design, security, backup, DR; 24/7 support.
Oracle, MongoDB, PostgreSQL, Hive, Kudu, Cloudera Hadoop, Oracle Enterprise Manager, RMAN, Linux, Exadata, Ansible
3mo
Save
Mark Applied
Hide
Senior IT Security Engineer
Linthicum or Phoenix or Denver or Tampa or Cicero
$92k-$120k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years in IT security, CISSP, networking and security expertise, Windows and Linux administration, cloud security, scripting, analytical, communication, and collaboration skills.
SIEM, PAM, ZTN, IdP, IAM, CSPM, DLP, CIEM, DevSecOps, SSDLC, AWS, Azure, Windows, Linux, HCL, YAML, JSON, PowerShell, Python, Go, Shell
1w
Save
Mark Applied
Hide
Cybersecurity Engineer
Largo, Florida, United States
OnsiteFull Time
U.S. citizenship, TS/SCI clearance, Linux and Windows systems administration, DoD 8570 IAT Level II certification, identity management, LDAP, PKI, and VMware experience required.
Linux, Windows, Windows 11, Windows Server 2022, RHEL, LDAP, Active Directory, PKI, VMware, vSphere, vCenter, ESXi
2mo
Save
Mark Applied
Hide
Sr Platform Engineer (Project Hire)
Lake Buena Vista or Orlando
$112k-$150k/yr HybridFull Time
5+ YOE5+ years in infrastructure/platform/DevOps; experience with Ansible, Terraform, CI/CD (Jenkins/GitLab), Linux/Windows administration, observability (Splunk), Kubernetes/Harvester; strong reliability and automation skills.
Ansible, Terraform, Splunk, Kubernetes, Harvester, Jenkins, GitLab, AWS, Linux, Windows
1w
Save
Mark Applied
Hide
Cyber Security Engineer (Onsite)
Largo, Florida, United States
$69k-$131k/yr OnsiteFull Time
2+ YOERequires STEM degree and 2+ years relevant experience, Linux and Windows administration, active DoD 8570 IAT Level II certification, and active TS/SCI clearance. U.S. citizenship required.
Linux, Windows 11, Windows Server 2022, RHEL, LDAP, Active Directory, PKI, COTS, Enterprise firewalls, OSI, IP, TCP/IP, VLANs
Explore Jobs