Top Senior IT Jobs

Senior IT support role providing technical analysis, system lifecycle and configuration management, and documentation for Navy IT systems. Ensure compliance with DoD/DoN/NAVSEA cybersecurity policies, troubleshoot issues, coordinate with stakeholders, and prepare technical briefings to support IT modernization and accreditation.

Senior Linux System Administrator to maintain on-premises and AWS Linux servers, support 24x7 on-call operations, perform security patching/STIG updates, manage RHEL subscriptions, automate administration tasks, assist cloud migrations, support A&A audits and ensure system backups, performance tuning, and certificate management while coordinating maintenance with stakeholders.

Provide Tier II/III systems administration for Windows and RHEL enterprise environments across multiple security enclaves. Troubleshoot applications and user performance, perform incident triage and resolution, remote desktop support, maintain AD/DNS/DHCP/LDAP services, use ticketing systems, participate in projects, and comply with DoD IA and clearance requirements.

Design and build scalable corporate IT infrastructure; respond to help-desk requests and provide onsite/remote technical support; administer systems across Linux, Windows, and Mac; manage networking (VPN, DNS, firewalls, switches) and SaaS integrations; create IT processes and lead platform implementations for global teams.

Provide high-touch, real-time IT support to C-level executives: manage and troubleshoot iOS devices and Windows 11 systems, maintain MDM configurations, support collaboration apps (Outlook, Teams, Zoom, OneNote), collaborate with admin and IT teams, provide on-site and occasional after-hours support, and maintain confidential documentation and proactive device maintenance.

Build and lead DESRI's internal IT function: define IT strategy and governance, manage infrastructure and enterprise applications (Microsoft 365, HRIS), lead cybersecurity and compliance, oversee vendor and budget management, establish service delivery and Help Desk, and scale a global IT team to support distributed operations and remote employees.

Provide dedicated, high-level IT support to executive leadership: install/configure hardware and software, troubleshoot devices and video conferencing, escalate complex issues, maintain security and confidentiality, document procedures, train executives, and assist implementing new executive technologies.

Lead site IT operations, owning incident management, compliance (SOX/ERP), security remediation, disaster recovery, backups, asset and license management, and site-level IT projects. Serve as primary IT contact, drive ITIL-based processes, stakeholder communication, audits, and continuous improvement to ensure reliability and business continuity.

Lead the organization's IT strategy and operations, managing infrastructure, security, budgets, vendors, and a team (≈8 direct reports). Drive digital transformation, ensure compliance with frameworks (ITIL/COBIT), oversee project delivery and QA, and align technology initiatives with business objectives.

Provide regional IT support by installing, maintaining, and monitoring hardware and software; manage site assets and inventory; triage Service Pro requests; load authorized software; place requisitions; coordinate tasks and collaborate on technology deployments.

Provide hands-on implementation, management, and support for hybrid on-premises and cloud infrastructure (Azure, Microsoft 365, AD). Troubleshoot networks, servers, identity, and cloud services; participate in projects, patching, security remediation, vendor coordination, documentation, automation, and cross-team coverage to ensure uptime and operational continuity.

Provide Tier 2 global, 24/7 IT operations support for infrastructure, devices, and services. Troubleshoot incidents, perform maintenance and patching, manage storage and backups, run monitoring and capacity analysis, develop test cases, support deployments, and produce SOPs/CDRLs while coordinating with engineering and government stakeholders.

Provide end-user IT support across hardware, software, networking, and accounts (primarily macOS) via tickets, Slack, and in-person; maintain documentation and runbooks; manage device enrollment, MDM, identity and access workflows; participate in on-call rotation; automate repetitive tasks with scripting; improve onboarding and operational processes.

Lead and build Terabase's internal IT organization: transition from MSP, establish end-user support, identity and endpoint management, corporate network and infrastructure, IT service delivery, security/compliance, vendor management, and hire/coach IT staff to support a global, high-growth technology company.

Provide system administration for Windows/Linux servers and networks, perform Tier 2 helpdesk and advanced troubleshooting, design and deploy enterprise systems, assist in operations and documentation, train IT staff, and contribute to IT solutions. Role may require up to 25% travel.

Manage and support company IT systems including Aloha POS, VOIP, endpoints, networking and ticketing. Provide end-user and new-store training, implement upgrades, execute disaster recovery, troubleshoot issues, and travel to sites (~20%). Drive IT process improvements and deliver professional timely support.

Provide local engineering and sysadmin support for Linux-based HPC infrastructure and scientific software. Install, configure, monitor, and troubleshoot HPC hardware, job schedulers, storage, and scientific workflows (including CryoEM packages); develop automation, documentation, and assist researchers to optimize pipelines.

Lead design, build, and operation of secure, scalable corporate IT infrastructure. Own IAM, endpoints, networking, MDM/EDR, compliance for export-controlled environments, vendor management, incident response, business continuity, and IT onboarding/offboarding.

Serve as the technical escalation lead for Plant and HQ IT, supporting Microsoft ecosystem and plant-floor hardware, mentoring the team, implementing ITSM practices, and building automation (PowerShell, Power Automate) and AI-assisted support to reduce repeat incidents and scale IT operations.

Support enterprise workstation and server management using MECM/SCCM: package and deploy applications, image workstations, perform OS deployments and patching, maintain client health and STIG compliance, run basic PowerShell scripts, handle AD tasks, troubleshoot software distribution, and escalate Tier 1/2 issues in support of INSCOM mission.

Manage and support ACD's server, desktop, networking, security, email, telephony, ERP, and e-commerce systems. Lead one support specialist, maintain support contracts and licenses, guide projects, collaborate with departments, and ensure reliable integrations and reporting for Sage X3 and Magento.

Provide Tier 2-3 remote and on-site IT support for SMB clients: design, implement, troubleshoot networks, servers, virtualization, security, and user environments; document work and manage tickets.

Manage IT systems and staff, design and enforce IT policies, ensure data and network security, maintain backups and disaster plans, audit systems, recommend technical solutions, participate in budgeting, and provide cross-divisional IT support to meet internal and external client needs.

Supervise infrastructure, voice, and audio-visual teams; manage vendor relationships and SLAs; recommend and plan network and infrastructure solutions; implement infrastructure policies and disaster recovery procedures; provide 24/7 on-call IT support; participate in emergency management and special event support (including elections and Justice Center).

Lead and manage the IT department, ensuring reliable infrastructure, security, vendor relationships, and IT support. Plan and execute projects, maintain systems and DR, mentor staff, enforce policies, and align IT strategy with business objectives.