Top Senior IT Jobs

Provide senior-level remote IT support and operations for a distributed workforce: troubleshoot macOS/Windows/Linux/mobile, manage onboarding/offboarding, administer identity (Rippling/Okta) and MDM, maintain asset inventory, build AI-driven automations (Console.com, Risotto, Unthread), support SOC 2/HIPAA/ISO compliance, write runbooks in Notion, and contribute to the IT roadmap while mentoring the team.

Senior Systems Administrator responsible for designing, administering, securing, and supporting enterprise infrastructure across Windows and Linux, virtualization, cloud, identity, storage, backup/DR, and endpoint platforms. Leads projects, mentors juniors, automates operations, partners with security and networking, and participates in on-call rotations to ensure reliable, secure infrastructure.

Serve as first-line IT support for hardware, software, networking, and enterprise applications. Triage and resolve support tickets, manage onboarding/offboarding, administer Okta and endpoint management (Intune, Jamf), maintain device health and access controls, collaborate with Security and Engineering, document processes, and improve support workflows to ensure a secure, compliant, and user-friendly hybrid work environment.

Design, implement, and maintain enterprise-scale Windows Server and Active Directory infrastructures, endpoint and patch management, and identity/access controls. Provide architecture for Group Policy, SCCM/JAMF/Intune, cross-platform endpoint management, automation scripting, and compliance with NIST/CMMC. Support end users, coordinate patching, and ensure reliable IT operations for site mission systems.

Provide advanced Tier I–III technical support for mission-critical digital broadcast systems (ingest, editing, playout, archiving). Troubleshoot hardware, software, network, VPN, AD, and broadcast applications (Dalet, PowerGold, ScheduAll, Dataminer), perform system administration, imaging and workstation deployment, validate upgrades, document incidents, deliver user training, and support 24/7 broadcast continuity including after-hours and shift coverage.

Lead IT infrastructure and operations delivering strategy, uptime, security, and service management. Supervise infrastructure staff, manage networks, servers, virtualization, Microsoft 365/SharePoint, endpoint management, AV systems, vendor contracts, incident response, and IT asset lifecycle to support organizational mission.

Provide Tier II systems administration for a hybrid Windows/RHEL enterprise supporting an intelligence customer. Maintain workstations and servers, troubleshoot applications and incidents, provide remote support across security enclaves, collaborate with Tier II/III teams, and participate in special projects. Must hold TS/SCI with Polygraph and DoD IA certification.

Manage operational support, maintenance, and development of healthcare business applications. Lead and staff the IT Applications team, oversee releases, testing, incident/problem management, SLAs, metrics, budgeting, and continuous improvement. Serve as internal consultant, coordinate with vendors and peers, ensure regulatory compliance, and maintain 24/7 on-call support.

Provide day-to-day IT support for a globally distributed AI company: triage help-desk tickets, provision and ship laptops, manage Google Workspace, enforce endpoint security and device compliance, run onboarding/offboarding, maintain SaaS seat/license management, support office networking/AV, write runbooks, and contribute to security, infrastructure, and automation projects as the first EMEA IT hire.

Manage day-to-day IT operations and a small team; align technology initiatives with business goals; lead delivery of scalable, secure end-to-end solutions; oversee budgeting, vendor management, compliance, portfolio and project management; coach and develop staff; drive continuous improvement and stakeholder engagement.

Lead and manage an IT helpdesk and support team for C-17 TS systems, ensuring network and database security, account management, backups, hardware/software procurement and deployment, troubleshooting, storage planning, vendor coordination, metrics reporting, and user training. Serve as escalation point, coordinate global deployments, and maintain IT processes and documentation.

Provide hands-on IT support and technical leadership for employee operations, managing device provisioning, Google Workspace and MDM, troubleshooting hardware/networking, maintaining asset lifecycle and documentation, assisting telecom team with SIM and mobile device testing, supporting security and SOC 2 initiatives, and driving improvements and automation.

Build and own the company's IT function: manage employee devices and onboarding, identity and access (SSO/MFA), SaaS administration, secure networking, MDM and endpoint security, vendor selection, and automation. Partner with teams to meet defense security and compliance (CMMC, NIST 800-171) requirements while scaling IT processes and infrastructure.

Build and own the company IT function: manage employee devices, identity and access (SSO/MFA), SaaS administration, secure networking, MDM and endpoint security, vendor selection, and compliance readiness for defense standards (CMMC, NIST 800-171). Partner with teams to automate IT workflows and scale systems.

Lead coordination and technical design for Personal Computing Technology across the Americas. Ensure PCT devices and client software comply with SOPs, FDA and SOX; support end-user informatics readiness; resolve incidents within SLAs; document requirements and technical designs; assist projects, risk assessment, and disaster recovery testing; liaise with global IT teams and third-party vendors.

Manage IT operations and infrastructure including Hyper-V/SCVMM, Windows Server administration, Microsoft clustering, Active Directory and Office 365/Azure AD. Administer VMware virtualization (vSphere/ESX/vCenter) and Cisco UCS, support networking services (TCP/IP, DNS, DHCP), Remote Desktop Services, and storage/backup systems (SAN, iSCSI, RAID, EMC).

Lead and mature cloud-first Microsoft-based IT operations: ensure reliability, security, and performance across infrastructure, endpoints, identity, collaboration, and service desk. Manage a small internal team and MSP, own budget and roadmap, oversee Intune, Entra ID, M365 administration, network modernization, backups/DR, vendor/contracts, SLAs, compliance (e.g., SOC 2), and continuous monitoring and automation to support company growth.

Lead IT strategy and day-to-day operations for the health center, manage network and server infrastructure, ensure security and backups, administer Active Directory, Exchange and SQL, oversee IT staff lifecycle and budgets, provide user support and training, and maintain compliance and EMR-related systems.

Lead implementation, support, and improvement of enterprise endpoint infrastructure (desktops, laptops, mobile, peripherals). Manage asset lifecycle, deployments, patching, troubleshooting/escalation, root-cause analysis, automation, standardization, CMDB updates, training, and cross-team collaboration while mentoring staff and ensuring security and compliance.

Lead implementation and support of endpoint infrastructure (desktops, laptops, mobile devices). Manage asset lifecycle, drive standardization and automation, troubleshoot escalations, collaborate with security and engineering, provide on-site/virtual support and training, and mentor team members to improve endpoint performance, security, and user satisfaction.

Lead delivery of end-user technology services; support PCs, laptops, conferencing, mobile and voice systems; troubleshoot and remediate complex issues; automate operational tasks with scripting; manage incidents and root cause analysis; run technology projects, vendor coordination, training, documentation, and provide rotational on-call and travel support.

Provide onsite and remote frontline support for desktops, laptops, mobile devices, printers, and AV/meeting room technology. Troubleshoot hardware/software issues, perform Windows desktop administration and deployments, manage incidents in ITSM tools, support onboarding/offboarding and equipment lifecycle, maintain asset inventory, coordinate vendor repairs, and follow security and change management processes.

Administer, configure, and support global collaboration and AI productivity platforms (Microsoft 365, Slack, Zoom, Power Platform). Build automation, enforce governance and security (DLP, eDiscovery), support meeting room technologies, provide escalation support, document standards, and partner with stakeholders to drive adoption and operational excellence.

Provide advanced end-user support and escalation for complex desktop, Microsoft 365, and endpoint issues; manage accounts in Active Directory; mentor junior staff; drive incident resolution, root-cause analysis, and service improvements; support onboarding/offboarding, workstation provisioning, and security/compliance tasks.

Provide onsite IT helpdesk support for end-users across Windows, macOS, and Linux. Troubleshoot hardware, software, and network issues via phone, email, chat, and remote access; manage user accounts and onboarding; maintain asset inventory and documentation; support AV and collaboration platforms; analyze ticket trends and escalate complex issues.