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437 senior it specialist jobs at 283 companies in United States

3mo
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Senior Integration & IT Support Specialist
United States
RemoteFull Time
APV
APV: Woman-owned IT services and consulting firm serving government agencies with emerging technology, training, and human-capital services.
8+ YOESenior IT integration specialist with 8-10 years of enterprise HR data experience, DHS Public Trust eligibility, US citizenship, remote work, and strong REST/SOAP, SFTP, ETL/ELT, and iPaaS skills.
REST, SOAP, SFTP, ETL/ELT, iPaaS, Jira, Azure DevOps, ServiceNow
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3w
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Senior IT Specialist
Boca Raton, Florida, United States
OnsiteFull Time
Lamark Media
Lamark Media: Unlocking Potential®
5+ YOE5+ years in IT support, systems administration, or senior help desk roles; expertise with Microsoft 365 Administration, Slack Enterprise, Entra, and Exchange; strong documentation, communication, implementation, and change management skills.
Microsoft 365 Administration, Microsoft 365 Exchange, Microsoft Entra, JAMF, Slack Enterprise, SaaS, Microsoft Windows, Apple operating systems
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Senior IT Support Specialist
Kendall, Florida, United States
HybridFull Time
Educational Federal Credit Union
Educational Federal Credit Union: Member-owned, not-for-profit cooperative credit union serving educators, students, families, and South Florida communities with financial services.
Senior IT support role providing Tier II/III end-user, Microsoft 365, AD/Entra ID, Intune, imaging, and network support; mentoring, documentation, and IT project participation.
Microsoft 365, Windows, Active Directory, Microsoft Entra ID, Microsoft Intune, VPN, SharePoint, Teams, OneDrive
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1w
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IT SENIOR SUPPORT SPECIALIST
Cecil County, Maryland, United States
$26-$28/hr OnsiteFull Time
Cecil County Government
Cecil County Government: Charter county government serving Cecil County, Maryland residents through public safety, infrastructure, human services, and local services.
IT support specialist position with a stated salary range; specific education, experience, certification, and technical requirements are not provided.
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2mo
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Senior IT Specialist
Washington or United States
$80k-$125k/yr RemoteFull Time
VTG
VTG: Provider of national security and digital transformation solutions.
12+ YOERequires 12+ years (Masters) or 14+ years (Bachelors) experience, 10+ years Microsoft SharePoint development/administration, Public Trust clearance, expert Microsoft Office, and SharePoint Designer expertise.
Microsoft SharePoint, Microsoft SharePoint Designer, Microsoft Office
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Senior IT Specialist
United States
RemoteFull Time
VTG
VTG: Provider of national security and digital transformation solutions.
10+ YOESharePoint SME to support SharePoint 2013 to SharePoint Online transition, create and modify complex workflows with SharePoint Designer, 10+ years SharePoint experience, Public Trust clearance required.
SharePoint, SharePoint Designer, SharePoint Online, Microsoft Office
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Senior IT Specialist
United States
RemoteFull Time
Fusion Technology
Fusion Technology: HUBZone IT contractor providing software, cybersecurity, cloud, biometric, and systems-engineering services to U.S. government agencies.
8+ YOEActive Top Secret clearance, Bachelor's degree,8+ years experience with Subversion, VMs/VDI, Java/Python/C#, AWS/Azure, identity and access management, SAML/LDAP/PKI, databases, SFTP, APIs and web services.
Apache Subversion, Java, Python, C#, AWS, Azure, PHP, PostgreSQL, SQLite, Oracle, SFTP, WSDL, WADL, SAML, JSON, REST, SOAP, LDAP, PKI, Microsoft Active Directory, PuTTYgen, WinSCP, OpenSSH, APIs
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2w
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Senior IT Specialist
East Hartford, Connecticut, United States
$90k/yr FieldFull Time
Hoffman Auto Group
Hoffman Auto Group: Family-owned automotive dealership group selling and servicing new and used vehicles for drivers in Connecticut and Vermont.
IT support experience with desktops, laptops, printers, peripherals, operating systems, Active Directory, Microsoft 365, wireless and LAN technologies, mobile device management, and strong customer service skills.
Active Directory, Microsoft 365, Ubiquiti, Fortinet, Meraki, Aruba
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IT Specialist
Bluemont, Virginia, United States
OnsiteFull Time
Delaware Nation Industries
Delaware Nation Industries: Tribally owned federal contracting firm providing IT, cybersecurity, construction, medical, and professional services to federal and commercial clients.
6+ YOE6+ years IT specialist experience; knowledge of Windows, Microsoft Office; security clearance required; strong troubleshooting, communication, and ability to work flexible hours and lift equipment.
Windows, Microsoft Office, Microsoft Teams, Webex, MDM
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4d
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IT Support Specialist (Specialist or Senior Specialist)
Georgetown, Texas, United States
$25-$34/hr OnsiteFull Time
City of Georgetown
City of Georgetown: Texas municipal government providing public safety, utilities, parks, library, transportation, and other services to Georgetown residents.
2+ YOEHigh school diploma/GED and 2 years relevant IT support experience required for specialist; senior role requires 3 years and leadership. Texas Class C license and CompTIA A+ required.
Windows 11, Microsoft Office, CompTIA A+, CompTIA Network+, Microsoft 365 Certified: Endpoint Administrator Associate, CompTIA Security+, CJIS, HIPPA, PCI
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6d
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Senior IT Specialist
New York City, New York, United States
$85k-$95k/yr FieldFull Time
Nightingale Veterinary Partners
Nightingale Veterinary Partners: Private veterinary hospital network providing medical care for pets while improving veterinary professionals’ workplace culture.
3+ YOERequires 3–5+ years of hands-on IT experience, Microsoft environments, networking, infrastructure, troubleshooting, multi-location support, and cybersecurity fundamentals. Bachelor's degree preferred; equivalent experience accepted.
Microsoft 365, Microsoft Entra ID, Microsoft Intune, LAN/WAN, VLAN, Cisco Meraki, SonicWall, Ubiquiti, VPN, MFA, ezyVet, PCI-DSS
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Senior IT Specialist
Chicago, Illinois, United States
$95k-$110k/yr OnsiteFull Time
Shoreline Sightseeing
Shoreline Sightseeing: Family-owned Chicago boat tour operator serving tourists, locals, schools, and groups with architecture cruises, lake tours, charters, and water taxis.
3+ YOE3+ years IT support experience, Google Workspace and Active Directory administration, networking and POS troubleshooting skills, strong communication and problem-solving; able to work weekends and perform physical tasks.
Freshservice, Windows, Google Workspace, VMware, Hyper-V, Proxmox, Active Directory, SentinelOne, Cisco Meraki, PowerShell, Bash
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2mo
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Senior IT Specialist
United States or Europe or Tel Aviv or San Francisco
$104k-$150k/yr RemoteFull Time
Viz.ai
Viz.ai: AI-powered clinical software helping hospitals detect disease, coordinate care, and guide patients to treatment faster.
4+ YOE4–6 years IT/SaaS experience; strong Windows and macOS knowledge; networking fundamentals; hands-on Okta, Microsoft Intune, and Jamf experience; troubleshooting, onboarding/offboarding, and user-support skills.
Okta, Microsoft Intune, Jamf, Windows, macOS
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5d
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IT Specialist (PLCYPLN)
Savannah or New York City or Charleston
$90k-$163k/yr HybridFull Time
U.S. Army Corps of Engineers
U.S. Army Corps of Engineers: Federal Army engineering organization providing public infrastructure, water-resource, disaster-response, and environmental services.
1+ YOERequires one year of specialized IT experience at GS-12 or GS-13 level, including requirements analysis, IT systems implementation, technical evaluations, reports, briefings, and organization-wide initiatives.
IT hardware, IT software, USAJOBS, USA Staffing
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1w
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IT SPECIALIST (APPSW)
San Diego or Port Hueneme
$122k-$161k/yr OnsiteFull Time
Naval Facilities Engineering Systems Command
Naval Facilities Engineering Systems Command: U.S. Navy engineering command providing shore facilities, base operations, and expeditionary engineering for military forces.
1+ YOERequires 1 year specialized experience equivalent to GS-12 in senior software and data system development, DevOps, Agile project management, requirements translation, integrated systems, mentoring, and cross-group communication.
DevOps, Agile
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Senior IT Specialist, Customer Support
Missouri City, Texas, United States
OnsiteFull Time
Safe Fleet
Safe Fleet: Private manufacturer of fleet-safety equipment and technology for school transportation, transit, law enforcement, waste, and recycling fleets.
5+ YOEBachelor’s degree or equivalent, 5+ years in software/hardware support, strong Linux and Microsoft administration skills, SQL/database experience, MCSA preferred, ability to travel occasionally.
Red Hat, Ubuntu, Linux, Active Directory, DNS, IIS, .NET, SQL, Microsoft SQL Server, PostgreSQL, MySQL, PowerShell, AWS, Azure
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Senior IT Security Specialist
Rensselaer, New York, United States
$106k-$176k/yr HybridFull Time
New York Independent System Operator
New York Independent System Operator: Independent nonprofit operator of New York’s bulk electricity grid and wholesale electricity markets serving New York consumers.
7+ YOEBachelor’s degree in information security, computer science, or a related field; 7+ years of progressively responsible IT or security experience; expertise in security technologies, infrastructure, incident response, and compliance.
Security Information and Event Management (SIEM), Threat Management Platform, Anti-malware, vulnerability scanners, penetration testing, computer and network forensics tools, Security Orchestration and Response (SOAR), firewall, intrusion detection systems, Threat Intelligence Platforms, Vulnerability Scanning, packet capture (PCAP), Windows, Microsoft Office, email, Internet
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IT Support Specialist - Senior
Washington, District of Columbia, United States
OnsiteFull Time
C3EL
C3EL: Woman-owned U.S. systems integrator delivering engineering, IT, cybersecurity, communications, and logistics services to defense and federal agencies.
7+ YOEU.S. citizenship and ability to obtain Public Trust; 7+ years deskside IT support; HDI Technical Support Professional within 6 months; experience with Windows, Active Directory, Office 365, Google Workspace, SCCM, VTC, Zoom; JAMF preferred.
Microsoft Windows, Windows 11, Active Directory, Microsoft Office, Microsoft Office 365, Google Workspace for Enterprise, Bomgar, VPN, SCCM, VTC, Zoom, JAMF, Remedy, ServiceNow, Thin Client
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Senior IT Procurement Specialist
Arlington, Virginia, United States
$90k-$125k/yr OnsiteFull Time
Tecolote Research, Inc.
Tecolote Research, Inc.: Provides analytical and acquisition support to government programs.
10+ YOEBachelor’s degree required, 10+ years of professional experience, US citizenship, independent work ability, and ability to obtain Secret clearance and DHS Suitability.
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2mo
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Senior IT Support Specialist
Houston or Austin or Dallas or San Antonio
OnsiteFull Time
Infrastructure Consulting & Engineering
Infrastructure Consulting & Engineering: Transportation consulting and design firm serving state DOTs, counties, municipalities, and select private clients.
10+ YOE10+ years supporting enterprise IT: Windows, Microsoft 365, Azure AD/Entra ID, endpoint management; CompTIA A+ and Security+; strong troubleshooting, communication, and ability to travel 10–20%.
Microsoft Windows, Microsoft 365, Active Directory, Microsoft Entra ID (Azure AD), Microsoft Intune, Microsoft Endpoint Manager, Autodesk, Cisco
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