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Senior DevOps Engineer, Observability and FinOps

Job in Reston, Fairfax County, Virginia, 20190, USA
Listing for: CACI International
Full Time position
Listed on 2026-11-07
Job specializations:
  • IT/Tech
    Systems Engineer, Cloud Computing: Infrastructure & Operations, SRE/Site Reliability
Job Description & How to Apply Below
Job Title:

Senior Dev Ops Engineer, Observability and Fin Ops Job  Category:
Engineering Time Type:
Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:
Regular Percentage of

Travel Required:

Up to 10%
Type of Travel:
Continental US Anticipated Posting End: 11/13/2026

The Opportunity:

This engineer makes mission systems visible and their costs accountable, on networks that cannot call out to the internet. The role blends platform engineering (Kubernetes/Open Shift, infrastructure as code, CI/CD) with enough full stack development to build the dashboards, APIs, and small internal tools that operators and financial stakeholders use every day.

Responsibilities:

Deploy, configure, and operate the observability stack (for example Grafana Alloy, Mimir, Loki, and Tempo on Open Shift, or Elastic or Dynatrace where selected) on each network

Instrument applications and infrastructure with Open Telemetry and Prometheus exporters; standardize labels, tags, and naming

Build real-time mission status dashboards and service health views for operators, engineers, and leadership

Implement cost visibility and allocation across AWS, Open Shift, and on-premises resources using tagging standards and showback or chargeback models

Build cost and utilization dashboards that join billing exports with observability metrics (unit cost per mission application, per namespace, per program)
Identify and execute optimization: rightsizing, idle resource cleanup, storage lifecycle policies, Reserved Instance and Savings Plan coverage analysis

Automate infrastructure and stack deployment with Terraform, Ansible, and Helm or Operators; manage configuration through Git Ops (Argo CD or similar)
Build and maintain CI/CD pipelines (Git Lab CI, Jenkins, or Tekton) including image scanning, signing, and promotion into air-gapped registries

Package software and dependencies for offline transfer and cross-domain delivery

Develop lightweight web apps, APIs, and Grafana plugins or panels for custom status views and cost reports

Write data integration scripts (Python, Go) that pull from billing exports, CMDBs, and ticketing systems

Document runbooks, architecture diagrams, and user guides; train operators and mentor junior engineers

Qualifications:

Required:

TS/SCI with polygraph Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.
3+ years deploying and operating at least one enterprise stack:
Grafana/Prometheus ecosystem, Elastic (ELK), Dynatrace, or Splunk Metrics, logs, and traces instrumentation; working knowledge of Open Telemetry or Prometheus exporters

Built operational dashboards and alert rules used by real operators; understands SLI/SLO concepts3+ years with Kubernetes in production;
Red Hat Open Shift strongly aligned2+ years with AWS (EC2, S3, EKS, IAM, Cloud Watch, Cost and Usage Reports)
Demonstrated experience analyzing cloud spend, applying tagging strategies, and delivering at least one cost optimization outcome

Terraform and Ansible;
Helm charts or Operators Built and maintained pipelines in Git Lab CI, Jenkins, or equivalent;
Git workflows

Proficient in Python or Go plus scripting (Bash); able to write and query SQL and PromQL or equivalentRHEL administration and troubleshooting

Hardening to DISA STIGs; familiarity with RMF and NIST SP 800-53 controls

Worked in air-gapped or disconnected networks, including offline package and image management

Desired:

Hands-on with Grafana Alloy, Mimir, Loki, and Tempo at scale

Production time on two or more of Grafana, Elastic, and Dynatrace, enabling side-by-side judgment

Store-and-forward pipelines, edge collectors, Kafka or similar buffering over intermittent links

Moved data or software through cross-domain solutions…
Position Requirements
10+ Years work experience
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