Senior Application Monitoring Engineer | Observability Lead

D2 Technical Services; Springfield (VA); On-site; USD 150,000 - 175,000; Full time

Job summary

D2 Technical Services is seeking a Senior Application Monitoring Engineer to own the observability strategy for critical applications. You will design monitoring architecture, define SLIs/SLOs, and mentor engineers to treat monitoring as a product.

You’ll lead end-to-end monitoring design, surface signals before problems, and drive improvements across distributed systems and cloud deployments. This role requires a proactive, ownership-driven mindset and strong collaboration with DevOps, infra,

Qualifications

• 5+ years of experience in application monitoring, observability, or site reliability engineering.
• Experience configuring alerts and adjusting thresholds.
• Strong grasp of distributed systems and microservices, tracing requests across services.
• Scripting or programming experience (Python, Bash) to automate monitoring configurations.
• Experience with cloud platforms (AWS, Azure, or GCP) and containerized environments (Docker, Kubernetes).
• Participation in on-call rotations and incident response processes; familiarity with Splunk, ELK, Grafana, or Prometheus.

Responsibilities

• Design, build, and maintain end-to-end application performance monitoring.
• Define and maintain SLIs, SLOs, and error budgets; build dashboards and alerts to reduce noise.
• Lead or support triage and root-cause analysis during incidents across distributed systems.
• Drive continuous improvement of the observability stack and tooling.
• Mentor engineers to embed monitoring as a core capability in services from the start.
• Collaborate with DevOps/SRE, infrastructure, and app teams to align monitoring with deployments.

Skills

Observability

Site Reliability

Distributed Systems

SRE Practices

Python Scripting

Cloud Platforms

On-call Experience

Tools

Datadog

New Relic

Dynatrace

Splunk

ELK

Grafana

Prometheus

Docker

Kubernetes

Terraform

CloudFormation

Job description

D2 Technical Services is seeking a Senior Application Monitoring Engineer to own the observability strategy for critical applications. You will design monitoring architecture, define SLIs/SLOs, and mentor engineers to treat monitoring as a product.

You’ll lead end-to-end monitoring design, surface signals before problems, and drive improvements across distributed systems and cloud deployments. This role requires a proactive, ownership-driven mindset and strong collaboration with DevOps, infra,