L2 Systems Analyst
Comfort Systems USA
Houston, TX
Description
Key Responsibilities
- Provide Level 2 technical support for enterprise systems, applications, and infrastructure.
- Investigate, diagnose, and resolve escalated incidents from L1 support.
- Perform root cause analysis and document findings.
- Monitor system performance, availability, and capacity.
- Maintain and support Windows/Linux servers and cloud environments.
- Manage user access, permissions, and identity services (e.g., Active Directory).
- Support patch management, system upgrades, and change management activities.
- Collaborate with vendors and third-party providers for issue resolution.
- Create and maintain technical documentation, runbooks, and knowledge base articles.
- Participate in on-call rotation and incident response when required.
- Ensure compliance with IT policies, security standards, and regulatory requirements.
Required Qualifications
- Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent experience).
- 3–5 years of experience in IT support, systems administration, or related role.
- Strong knowledge of:
- Windows Server and/or Linux environments
- Active Directory, DNS, DHCP
- Microsoft 365 administration
- Virtualization technologies (VMware / Hyper-V)
- Basic networking concepts (TCP/IP, VPN, firewalls)
- Experience with ticketing systems and ITSM frameworks (ITIL preferred).
- Strong troubleshooting and analytical skills.
- Excellent written and verbal communication skills.
Preferred Qualifications
- Experience with cloud platforms (Azure, AWS, or GCP).
- Familiarity with scripting (PowerShell, Bash).
- Experience with monitoring tools (e.g., SolarWinds, Nagios).
- ITIL Foundation certification.
- Relevant certifications (Microsoft, CompTIA, VMware).
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