Comfort Systems USA

L2 Systems Analyst

Comfort Systems USA$80K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor’s degree in IT, Computer Science, or equivalent experience.
  • 3–5 years of IT support or systems administration experience.
  • Strong knowledge of Windows Server and/or Linux environments.
  • Familiarity with Active Directory, DNS, DHCP, and Microsoft 365 administration.
  • Understanding of virtualization technologies (VMware / Hyper-V) and basic networking (TCP/IP, VPN, firewalls).
  • Experience with ticketing systems and ITSM frameworks (ITIL preferred).
  • Excellent troubleshooting, analytical, and communication skills.

Responsibilities

  • Provide Level 2 technical support for enterprise systems and applications.
  • Investigate 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 and permissions (e.g., Active Directory).
  • Support patch management and system upgrades.

Benefits

  • Collaborative work environment with IT and security teams.
  • Opportunities for professional development and training.
  • Involvement in system improvements and incident response.
  • Access to the latest technology and tools in the field.
  • Participation in compliance and regulation standards.
Full 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).


About Comfort Systems USA

Comfort Systems USA is a leading provider of commercial, industrial, and institutional heating, ventilation, and air conditioning (HVAC) services. The company's services include design, installation, maintenance, and repair of HVAC systems, as well as energy management and building automation services. Comfort Systems USA has a national presence, with over 120 locations across the United States, and a workforce of over 12,000 employees. The company is committed to sustainability and has implemented a number of initiatives to reduce its environmental impact, including reducing waste and energy consumption. Comfort Systems USA is also committed to safety and has implemented a number of programs to promote a safe and healthy workplace.
Learn more about Comfort Systems USA
Size
13,200 employees
Market Cap
$4.1 billion
Industry
Net Income
$150.1 million
Founded
1997
5 Year Trend
+13.5%
Revenue
$2.8 billion
NASDAQ

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