Application Support Engineer II

Trimark Associates, Inc.

. Troubleshoot and resolve issues in production, mission-critical applications .

Posted 11/5/2026full-timeRemote • California • United StatesMid-LevelSenior💰 $90,000 - $120,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in troubleshooting and resolving issues in production environments, with strong skills in SQL query writing and data analysis. Proficient in collaborating with cross-functional teams and communicating effectively with both technical and non-technical stakeholders.

Highest-signal resume keywords

SQL ServerRESTful API TroubleshootingWindows Server AdministrationC#/.NET DebuggingAgile Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SQL Query WritingData AnalysisTroubleshooting Web ApplicationsUnderstanding of Relational Database FundamentalsHTMLJavaScriptProblem-Solving SkillsTime-Sensitive Environment SupportContainerized EnvironmentsObject-Oriented Design

Soft Skills

Clear Communication SkillsAnalytical Skills

Tools & Technologies

Trimark T1-S VantageTrue:SCADAPostgreSQLDockerKubernetesAzureGit/Source Control

Industry Keywords

SCADA SystemsEnergy/Utilities EnvironmentsModbusDNP3

Tech Stack

Tools & technologies

AzureDockerJavaJavaScriptKubernetesLinuxPostgresSQLTCP/IPTypeScript.NET

About the role

Key responsibilities & impact

Troubleshoot and resolve issues in production, mission-critical applications
Write SQL queries to analyze data issues, database performance, and data integrity
Diagnose and resolve issues across REST APIs, web applications, and backend services
Partner with developers to identify root causes, implement fixes, and deploy changes
Support and monitor Windows and Linux systems and services
Work within a biweekly sprint cycle, contributing to planning and execution
Proactively identify recurring issues and implement solutions to improve system reliability and reduce support load
Communicate findings and resolutions clearly to technical and non-technical stakeholders
Collaborate with development, OT, integration, project management, and customer operations teams
Support Trimark’s T1-S Vantage and True:SCADA platforms

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Software Engineering, a related field, and/or an equivalent combination of education and practical experience
3–5 years of professional experience in software development, application support, or a similar technical role
Experience working in production environments and handling real-world system issues
Must be legally authorized to work in the United States for any employer
This position is not eligible for employment-based visa sponsorship now or in the future, including participation in STEM OPT training plans (Form I-983)
Experience with SQL Server, including writing queries, data analysis, and troubleshooting
Understanding of relational database fundamentals, including transactions, indexing, ACID, DML, and DDL
Experience troubleshooting web applications and RESTful APIs
Exposure to Windows Server environments and administration
Ability to read and understand C#/.NET code for debugging and issue analysis
Working knowledge of HTML and JavaScript for troubleshooting front-end issues
Strong analytical and problem-solving skills in complex systems
Ability to support time-sensitive, high-availability environments
Clear communication skills for working across technical and non-technical teams
Preferred: Experience with PostgreSQL and time-series data, Linux system administration, Docker, Kubernetes, containerized environments, TCP/IP networking, Azure, .NET/C#, JavaScript/TypeScript, Java, Git/source control, Agile development, object-oriented design, SCADA systems, energy/utilities environments, Modbus, and DNP3

Benefits

Comp & perks

Clear path to move into a software engineering role
Gain deep exposure to data, infrastructure, APIs, and distributed systems
Collaborate directly with experienced developers and domain experts
Work on high-impact systems that support the electrical grid