IT Senior Support Technician

Keel Infrastructure

$80K — $95K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-8 years of IT support experience with senior/project ownership roles.
  • Strong knowledge of Microsoft Intune, Entra ID, and M365 Suite.
  • Proficiency in networking, including LAN/WAN and firewall configurations.
  • Demonstrated ability to troubleshoot complex hardware and software issues independently.
  • Educational background in Computer Science, Information Technology, or similar.

Responsibilities

  • Serve as the final escalation point for complex IT issues.
  • Diagnose and implement long-term fixes for recurring problems.
  • Lead IT projects like onboarding automation and knowledge library development.
  • Design and document IT processes for team efficiency.
  • Coordinate onboarding and offboarding processes, ensuring security compliance.
  • Administer security and compliance measures in support functions.
  • Mentor junior technicians, fostering best practices in support.

Benefits

  • Professional development opportunities including training and certifications.
  • Supportive work environment with a focus on work-life balance.
  • Employee recognition programs to celebrate achievements.
Full Job Description
We are currently looking for an IT Senior Support Technician to join our team

Key Responsibilities
Advanced Technical Support & Escalation
  • Serve as the final escalation point for complex hardware, software, and network issues.
  • Diagnose root causes of recurring or systemic issues and implement permanent fixes, not just workarounds.
  • Own and resolve the highest-priority and highest-impact tickets, coordinating with vendors and other departments as needed.
  • Support and troubleshoot Office 365 applications at an advanced level, including custom configurations, conditional access, and integration issues.
Project & Process Ownership
  • Lead end-to-end projects such as onboarding/offboarding automation, and knowledge library development.
  • Design and document IT processes and standards for the wider support team to follow, rather than only executing existing procedures.
  • Partner with Manager of IT Support on architecture and tooling decisions, including input on vendor evaluations.
  • Identify opportunities for automation and efficiency across the support function and drive implementation.
Onboarding and Offboarding
  • Coordinate with P&C to manage onboarding and offboarding processes, adhering to company security policies.
  • Own the technical design of provisioning and deprovisioning workflows, including Entra ID and HiBob-driven automation.
  • Prepare and provision hardware, software, and user accounts for new hires; audit and refine the process over time.
  • Revoke access and recover company assets during offboarding, and troubleshoot exceptions Level 1/2 escalate.
System Administration & Security
  • Administer Microsoft Intune, Entra ID (Azure AD), Exchange, SharePoint, Teams, and Slack at an advanced administrative tier.
  • Own periodic security log reviews and compliance measures for the support function; report findings to Andreu Gill's Cybersecurity & Compliance team where relevant.
  • Lead patch management and vulnerability remediation planning, not just deployment.
  • Conduct and improve IT asset inventory audit processes.
Network & Infrastructure
  • Configure and maintain network resources, including servers and critical infrastructure, in coordination with Global Network Infrastructure.
  • Own advanced troubleshooting of LAN/WAN connectivity, TCP/IP, DNS, and firewall issues.
  • Contribute technical input on network-related workstreams (e.g., DCG removal, UPN change) as needed.
Mentorship, Documentation & Training
  • Train and mentor Level 1 and Level 2 technicians on tools, applications, and troubleshooting best practices.
  • Maintain detailed, high-quality documentation of solutions, technical processes, and systems for the knowledge library.
  • Act as a subject-matter resource for the wider IT team on assigned systems and projects.
Required System Knowledge
  • Microsoft Intune, Entra ID (Azure AD), M365 Suite (Exchange, SharePoint, Teams), Slack Admin
  • Jira, Confluence
  • Microsoft Defender, Apple Business Manager, pfSense, 3CX
  • Tailscale or comparable VPN administration
Required Technical Skills
  • Active Directory (AD): advanced user management, group policy design, and permissions structuring.
  • Troubleshooting: diagnose and resolve complex, cross-system hardware, software, and network issues independently.
  • Networking: LAN/WAN, TCP/IP, DNS, and firewall configuration and design.
  • Software Support: advanced configuration and support for Office 365 and related enterprise tools.
  • Project Management: able to scope, plan, and deliver IT process or infrastructure projects end to end.
Interpersonal and Professional Skills
  • Leadership: mentors junior technicians and sets an example for ticket quality and professionalism.
  • Customer Service: delivers professional, empathetic support to users, including in escalated or sensitive situations.
  • Communication: clearly conveys technical solutions and project updates in written and verbal formats, including to non-technical stakeholders.
  • Ownership and Agility: operates with a high degree of autonomy and sound judgment in ambiguous situations.
Education and Experience
  • College diploma or degree in Computer Science, Information Technology, or related field.
  • 5 to 8 years of experience in IT support, with demonstrated progression into more senior or project-owning responsibilities.
Preferred Certifications
  • CompTIA Security+
  • Microsoft Certified: Azure Administrator Associate or Security Operations Analyst Associate
  • CCNA or equivalent networking certification
  • Microsoft 365 Certified: Enterprise Administrator Expert

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