Top Senior IT Jobs

Manages and improves business systems by analyzing requirements, troubleshooting complex issues, identifying root causes, implementing automation and AI-enabled enhancements, and using reporting to support decisions. Leads testing, user acceptance, training, vendor coordination, and moderately complex projects. Partners with stakeholders to improve reliability, data quality, system adoption, and processes while mentoring less experienced teammates.

Leads internal IT systems and operations, including identity and access management, endpoint management, IT support, onboarding and offboarding, asset and SaaS lifecycle management, automation, vendor relationships, and compliance partnerships. Manages a small IT team, improves service processes, supports audits, strengthens security controls, and delivers scalable technology services for a distributed workforce.

Implements, maintains, optimizes, and supports business systems while serving as a subject matter expert. Analyzes issues, identifies root causes, improves reliability, develops automation and AI-enabled solutions, uses reporting and dashboards for decision-making, leads testing and moderately complex projects, trains users, manages vendors, resolves escalations, and mentors teammates.

Provides senior onsite IT support for Rocket Lab’s SolAero office, handling service tickets, troubleshooting desktop systems, hardware, networking, Active Directory, and related technologies. Supports IT projects through planning, implementation, testing, and operations; documents solutions; mentors teams; and assists launch and mission operations. The role includes occasional domestic travel, on-call participation, and flexible shifts.

Provides senior onsite IT support at Rocket Lab headquarters, including incident, request, problem, change, and project ticket management. Supports desktop operating systems, hardware, networking, scripting, Active Directory, and Group Policy; mentors teams and documents technical solutions. Participates in end-to-end IT projects and supports launch and mission operations. The role includes occasional domestic travel, flexible shifts, weekend or evening work, and on-call rotation.

The IT Administrator provides infrastructure, hardware, software, network, and end-user support for a senior living community. Responsibilities include monitoring network reliability and disaster recovery, configuring hardware and software, managing IT assets, maintaining cybersecurity controls, supporting incident response and compliance, troubleshooting failures, coordinating with managed service providers, and training users. The role may require occasional after-hours or on-call support.

Owns Dorsia’s internal IT roadmap and operations across New York and Miami. Responsibilities include identity and access management, endpoint security, compliance readiness, automation, systems integration, office infrastructure, device lifecycle management, SaaS vendors, IT support, incident response, and business continuity. The role combines hands-on technical administration with strategic planning, budgeting, documentation, security awareness, and leadership reporting.

Create and maintain SOPs, user guides, and knowledge articles in SharePoint for Network Enterprise services. Provide technical writing, knowledge repository administration, end-user hardware and software troubleshooting, remote support, application and device diagnostics, email and Microsoft Office administration, and cloud infrastructure helpdesk support. Maintain current technology knowledge, assist users across worldwide sites, and potentially guide junior professionals or lead tasks.

Serve as Hearth’s primary IT specialist, resolving employee support issues, managing the MacBook fleet, and owning onboarding and offboarding. Maintain SOC 2 readiness through Vanta, strengthen access controls across company systems, document repeatable IT processes, and automate routine support tasks. The role is primarily onsite in NYC and may expand into office management responsibilities.

Perform senior systems administration for Army intelligence systems, including Windows and UNIX configuration, software installation, server and network maintenance, troubleshooting, monitoring, backups, security, and infrastructure upgrades. Provide Tier 1 and Tier 2 support, resolve hardware and software issues, manage system integrity, support migrations, communicate escalated issues, and direct personnel. The role requires daily on-site support, TS/SCI clearance, U.S. citizenship, advanced certifications, and occasional mission travel.

Manages technical services teams across infrastructure, communications, security, systems, desktop, service desk, enterprise applications, or identity management. Oversees staffing, projects, vendors, budgets, service levels, incident and problem management, governance, root-cause analysis, and technical solution delivery. Develops team plans, mentors staff, manages performance, and ensures business technology needs are met within established standards and budgets.

Manage and maintain IT infrastructure, including servers, endpoints, networking equipment, operating systems, applications, firmware, Office 365, Entra ID, SSO, and MFA. Provide end-user, audiovisual, onboarding, and offboarding support; administer office networks and equipment inventory; monitor security incidents and vulnerabilities; document systems; coordinate vendors; generate reports; and collaborate with global IT teams and business stakeholders.

Provides advanced on-site IT support and administration at a manufacturing facility. Administers Microsoft endpoint and security technologies, supports IT and OT systems, troubleshoots infrastructure, coordinates site projects, mentors support staff, performs root cause analysis, and serves as the escalation point between site operations and central IT teams.

Provides senior-level technical support for Apple iOS devices and macOS systems, including executive support, troubleshooting, device configuration, MDM administration, maintenance, security updates, inventory management, user education, documentation, and IT project collaboration. Supports tools including Jamf, AirWatch, Intune, Teams, Zoom, and Office 365. The role is onsite in Washington, DC and requires U.S. citizenship.

Lead IT operations, teams, and vendor relationships; own service delivery, incident/change management, network and endpoint security, DR/BC planning, and full lifecycle IT project delivery. Act as business partner to translate firm needs into IT initiatives, enforce compliance and SLAs, and drive modernization and continuous improvement.

Leads IT support operations across university campuses, managing technicians, workloads, service levels, escalated technical issues, performance, assets, deployments, and technology projects. Provides hands-on hardware, software, desktop, networking, and application support; coordinates with enterprise technology partners; maintains security and policy compliance; oversees inventory and lifecycle planning; and advises leadership on technology needs, priorities, and service performance.

Leads IT site operations and service delivery for more than 3,000 customers and 8,000 assets across defense locations. Manages field services, desktop support, help desk, voice and wireless services, technical refreshes, SLAs, performance metrics, project execution, budgets, staffing, and a mid-sized support team. Coordinates site managers and technicians, prepares executive reporting, improves workflows, and supports lifecycle and compliance initiatives in a primarily on-site environment.

Leads the IT Support team, overseeing staffing, workflow, scheduling, performance, call center operations, ticket administration, user support, account access, equipment purchasing, training, vendor relationships, and technology implementations. Manages and develops support staff while ensuring effective troubleshooting, documentation, reporting, and timely service delivery.

Own end-user IT across device lifecycle, identity and access, onboarding, Tier 1/2 support, service management, workplace technology, A/V, inventory, and automation. Serve as the escalation endpoint across Linux, macOS, Windows, iOS, and Android; lead cross-functional IT projects, manage contractors and vendors, maintain documentation and SLAs, and continuously improve support quality for a growing robotics organization.

Supports, maintains, and improves IT systems and infrastructure through server administration, troubleshooting, user support, system configuration, monitoring, patching, security controls, and incident response. The role manages operating systems, applications, access controls, virtualization, backups, and infrastructure services while collaborating with help desk, network, security, and engineering teams. It also contributes to documentation, audits, process improvement, system upgrades, and root-cause analysis.

Provides onsite IT support for Windows workstations, laptops, applications, hardware, telephony, and Wi-Fi devices. Responsibilities include imaging, deployment, patching, troubleshooting, repairs, ticket resolution through Remedy, inventory management, business continuity testing, training-room setup, vendor coordination, and end-user coaching. The role also supports compliance, Active Directory administration, and service-level adherence.

Administer Abby Care’s identity, endpoint, access, and productivity systems across distributed teams. Responsibilities include managing Okta, Terraform-based RBAC, JAMF macOS deployments, SentinelOne security agents, Google Workspace, SaaS and hardware inventories, and Tier 2/3 technical escalations. The role also supports automation, compliance audits, security controls, documentation, troubleshooting, and access certifications for SOC 2 and ISO 27001.

Own day-to-day on-site IT operations for a precision manufacturing facility: endpoint lifecycle, local network/infrastructure health, ticketing in Jira Service Management, onboarding/offboarding, vendor and asset management, construction IT buildout support, security and CMMC Level 2 compliance coordination, and hiring/training a local IT team.

Serves as the highest-level escalation point for complex IT support issues involving hardware, software, networks, systems, user accounts, and access. Performs root cause analysis, recommends permanent fixes, reviews service desk performance and ticket compliance, develops prioritization strategies, and improves workflows and SLAs. Collaborates across IT departments and mentors junior support staff. Requires at least five years of relevant support experience and familiarity with Microsoft identity and endpoint-management tools.

Provides tier III technical support for complex application, hardware, networking, server, database, and cloud issues. Diagnoses root causes, manages incidents, monitors system performance and security, documents solutions, supports IT projects, trains end users, and mentors junior staff. Collaborates with network, security, and application support teams to maintain reliable service delivery.