10 l3 senior support specialist jobs at 7 companies in United States
1d
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Desktop Support Specialist - L3
New York City, New York, United States
$105k-$125k/yr OnsiteFull Time
5+ YOE5+ years in enterprise desktop or end-user support; advanced troubleshooting across endpoints, applications, access, connectivity, and A/V; Windows, macOS, Linux/Ubuntu, endpoint tools, scripting, documentation, communication, and mentoring skills.
Windows, macOS, Linux, Ubuntu, SCCM, MDT, Microsoft Intune, Active Directory, Group Policy, Zoom, Poly, Crestron, PowerShell, Bash, Python
1w
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Operations Support Specialist L3
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOERequires TS/SCI clearance with Maryland polygraph, relevant compliance, legal, auditing, or mission experience, and 3–8 years of experience depending on an associate, bachelor's, or master's degree.
1w
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Operations Support Specialist L3
Annapolis Junction, Maryland, United States
OnsiteFull Time
3+ YOERequires TS/SCI clearance with Maryland polygraph, 3–6+ years relevant experience depending on degree, and a degree in law, business, accounting, or a related field.
5d
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Specialist - Software Engineering
Charlotte, North Carolina, United States
$90k-$134k/yr OnsiteFull Time
5+ YOERequires 5 years of experience in L3 Java application and production support, with Splunk, Dynatrace, Linux, SQL, ITIL, incident management, and root cause analysis expertise.
Dynatrace, Java, Oracle Linux, ServiceNow ITSM, Splunk, Java Microservices, Java SpringBoot, Java/J2EE, Linux/Unix, SQL, AWS, Azure, Grafana, ELK, AppDynamics, Jenkins, Git, Tomcat, WebLogic, JBoss, Shell, Python
2mo
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Senior Technical Support Specialist
Atlanta, Georgia, United States
OnsiteFull Time
3+ YOE3+ years technical support or sysadmin experience in networking/security, Bachelor’s in CS/SE preferred, strong OS (Windows/OSX/Unix/Linux) and networking (TCP/IP, routing, L2/L3) knowledge, firewall/IDS/IPS/VPN experience, troubleshooting skills, KCS and AI tools exposure, ability to work onsite 4 days/week and participate in on-call rotation.
FortiGate, Windows, OSX, Unix/Linux, IDS/IPS, VPN, KCS, AI tools
2w
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Senior Tech Support spec - IT Operations (147106)
United States
OnsiteFull Time
Expert product support across L1-L3, troubleshooting, escalation management, risk assessment, customer communication, and mentoring junior staff.
2w
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Senior Tech Support spec - IT Operations (147116)
United States
OnsiteFull Time
Provide expert L1-L2-L3 technical support, manage escalations, mentor junior staff, analyze network-level issues, assess risks, and develop troubleshooting tools; strong communication and analytical skills.
1w
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Subject Matter Expert (Support&Ops) (149394)
United States
OnsiteFull Time
Hands-on ServiceNow CMDB, HAM Pro, Discovery, Service Mapping, CSDM, IRE, integrations, scripting, ITIL, governance, and L3 support experience; bachelor's degree required.
ServiceNow, ServiceNow CMDB, Hardware Asset Management (HAM Pro), ServiceNow Discovery, Service Mapping, CSDM, Identification and Reconciliation Engine (IRE), Data Certification, SCCM, Microsoft Intune, Active Directory, Microsoft Azure, Amazon Web Services (AWS), Flow Designer, Integration Hub, JavaScript, Glide APIs, Service Graph Connectors, Agile, DevOps
1w
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Systems Engineer Specialist II- Contractor
Jersey City, New Jersey, United States
HybridContract
Experienced systems engineer for enterprise Citrix, Windows, and VMware environments, L2/L3 support, networking, Active Directory, Azure AD, Google Workspace, Jira, and Citrix XenDesktop 7.
Citrix, Windows, VMware, Jira, Active Directory, Azure AD, Google Workspace, Microsoft, TCP/IP, DNS, DHCP, VLANs, Meraki, LAN/WAN, DFS, Terminal Servers, Hyper-V, Internet Information Services, System Center Operations Manager (SCOM), Citrix XenDesktop 7, Certificate Authority, RADIUS
2mo
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System Administrator (Windows/AD/Hyper-V)
United States
$60k-$85k/yr RemoteFull Time
7+ YOE7+ years Windows Server administration and L3 support with strong Active Directory and Hyper-V expertise; virtualization, AD recovery, OEM hardware troubleshooting; must reside in the U.S. and be eligible for security clearance.
Windows Server, Active Directory, Hyper-V, VMware ESXi, vCenter, Nutanix, DFS, Print Services, AD Certificate Services, Windows Registry, DNS, DHCP, Group Policy, Dell, HP, Cisco UCS