Platform Engineer

Designs, implements, integrates, and maintains systems and tools to automate complex cyber activities. Applies specific functional knowledge and working and general industry knowledge. Develops or contributes to solutions to a variety of problems of moderate scope and complexity. Works independently with some guidance, and reviews or guides activities of junior employees.

• 3+ years of experience administering Kubernetes clusters in production environments
• Experience with Helm charts, Kustomize, or Operators for deploying and managing applications on Kubernetes
• Experience with Git Ops workflows using tools such as ArgoCD, Flux, or Git Lab CI/CD for infrastructure and application delivery
• Experience with Elastic Cloud on Kubernetes (ECK) or deploying or managing stateful applications on Kubernetes
• Experience building and maintaining CI/CD pipelines for infrastructure-as-code deployments
• Experience with monitoring and observability tooling, such as Prometheus or Grafana, for platform health and SLA dashboards
• Knowledge of Linux systems administration and container troubleshooting, including logs, networking, and resource constraints
• Ability to identify, prioritise, and remediate technical debt across platform environments, such as refactoring, dependency upgrades, and deprecated API migration, and work on-site at the designated location per program requirements
• HS diploma or GED

• Experience deploying and upgrading ECK Operators and managing Elasticsearch/Kibana custom resources in Kubernetes
• Experience with Platform One Big Bang or Iron Bank hardened container workflows in a DoD environment
• Experience with Git Lab self-hosted administration, including runners, pipelines, merge request automation, and repository management
• Experience automating dashboard generation or reporting such as Grafana-as-code, Kibana saved objects API, or scripted dashboard provisioning
• Experience with multi-classification or air-gapped deployment patterns such as IL5/IL6, artifact mirroring, and offline registries
• Experience with Istio, Linkerd, or similar service mesh technologies for mTLS and traffic management
• Experience in Terraform, Pulumi, or Crossplane for declarative infrastructure provisioning
• Experience with DAST, SAST, or container scanning integrated into Git Ops pipelines such as RMF or ATO compliance automation
• Experience with Vault, SOPS, or sealed-secrets for secrets management in Git Ops workflows
• Experience running cost and resource optimization on Kubernetes, such as right-sizing, HPA/VPA tuning, and node pool strategy for stateful workloads like Elasticsearch

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information;
Secret clearance is required.

Salary Range: $100,000 - $160,000 (Compensation is determined by various factors, including but not limited to location, work experience, skills, education, certifications, seniority, and business needs. This range may be modified in the future.)

Benefits:
Gridiron offers a comprehensive benefits package including medical, dental, vision insurance, HSA, FSA, 401(k), disability & ADD insurance, life and pet insurance to eligible employees. Full-time and part-time employees working at least 30 hours per week on a regular basis are eligible to participate in Gridiron’s benefits programs.

Gridiron IT Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status or disability status.