Comfort Systems USA

L2 Systems Analyst

Comfort Systems USA  •  Houston, TX (Onsite)  •  2 hours ago
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Job Description

We are seeking a detail-oriented and proactive L2 Systems Analyst to join our IT Operations team. The L2 Systems Analyst will provide second-level technical support, troubleshoot complex system and application issues, and ensure stability, performance, and reliability of enterprise systems. This role acts as an escalation point for L1 support and works closely with infrastructure, application, and security teams to resolve incidents and implement system improvements.

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).

Comfort Systems USA

About Comfort Systems USA

Comfort Systems USA | Quality People. Building Solutions.

Comfort Systems USA is a leading national provider of mechanical, electrical, and plumbing (MEP) contracting services. From HVAC installation and service to plumbing, electrical, building automation, and energy solutions, we deliver innovative, reliable, and sustainable systems for commercial, industrial, and institutional clients across the country.

By combining the strength of a national organization with the expertise of local companies, we provide tailored solutions and trusted service in every community we serve. Our people are our greatest strength — dedicated professionals who bring technical skill, safety, and customer commitment to every project.

At Comfort Systems USA, we’re more than contractors — we’re partners in building environments where businesses, institutions, and communities thrive.

Comfort Systems USA — Quality People. Building Solutions.

Industry
Construction & Skilled Trades
Company Size
1,001-5,000 employees
Headquarters
Houston, TX
Year Founded
1997
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