Site Reliability Engineer; SRE; Application Support

(1112149) Site Reliability Engineer (SRE) - Application Support

Sep 15, 2026

$95,000 - $100,000/year

Site Reliability Engineer (SRE) – Application Support

Diversified Services Network, Inc. (DSN) is seeking a full-time Site Reliability Engineer (SRE) – Application Support to join our team in their choice of our Chicago, IL or Peoria, IL office locations. We offer a full hybrid work model, requiring 2 days of onsite work per week, benefits, PTO, 401k, and more! If you're looking to grow your career within an extremely reputable, stable Fortune 100 company - let's talk!

Position Overview

We are seeking a Site Reliability Engineer (SRE) – Application Support to triage, investigate, and resolve support tickets for critical business applications, ensuring availability and performance are maintained against defined Service Level Agreements. This role combines hands-on application support with automation and monitoring work, and includes periodic off-shift and weekend support coverage.

Key Responsibilities

• Triage and resolve support tickets in accordance with defined Service Level Agreements (SLAs).
• Identify and resolve critical application and technical problems, including responding to off-shift and weekend support calls.
• Investigate tickets and perform statistical analysis and testing of application failures.
• Proactively identify and manage issue resolution, documenting the process and providing follow-up to requestors.
• Monitor application availability and performance on an ongoing basis.
• Develop scripts and automation tools to better detect and correct application issues.
• Build monitoring and alerting capabilities to proactively surface application issues.
• Collaborate cross-functionally, including occasional coordination with external partner/dealer communications.
• Perform additional duties as assigned.

Education & Experience

• Bachelor's or Master's degree with 2–4 years of experience in Application Support for cloud-based applications; OR
• No degree with a relevant technical certification and 6+ years of comparable experience.

Required Technical Skills

Expertise supporting, querying, and reporting on relational databases, preferably Snowflake.

Experience with AWS services: EC2, S3, VPC, Route 53, RDS, Cloud Formation, DynamoDB, Lambda, Cloud Watch, IAM, Certificate Manager, ELB, EBS, ECS, Cloud Front/WAF, SQS, SNS, and SES.

Experience troubleshooting issues related to UI, API, and data flow.

Expertise with high-availability architecture.

Experience with monitoring tools (e.g., Thousand Eyes, App Dynamics, Grafana).

Background in data management, data engineering, or data operations; familiarity with ADO pipeline framework a plus.

Experience with Python or a related scripting language for automation.

Experience in a Site Reliability Engineering (SRE) capacity, improving application availability and performance.

Working knowledge of Python, Power Shell, SQL, and JSON.

Working knowledge of autoscaling deployment concepts (hands-on configuration not required).

401(k)

Vision Insurance

Disability insurance

Employee assistance program

Health insurance

Health savings account

Life insurance

Paid time off

Paid Holidays

Please follow the link to our website for a list of job openings in Engineering, IT, Project Management, and more!

Salary expectations: 95, per annual

Diversified Services Network, Inc. provides expert consulting, IT, engineering, and project management services to government agencies and Fortune 500 companies, emphasizing diversity and inclusion.

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