Senior Platform Engineer Job at Onebrief (Remote)

Job Description

We’re hiring a Senior Platform Engineer to join the Platform team. This is a strategic role focused on building and scaling the foundations that power Onebrief’s Commercial‑off‑the‑Shelf (COTS) application across government environments at multiple classification levels. Your work enables fast, reliable delivery while meeting stringent Department of Defense (DoD) requirements. You’ll partner with DevOps, Site Reliability, and application engineers. The scope is deeply technical with meaningful ownership; you’ll shape platform systems, guide key decisions, and support delivery with clarity and presence. We’re looking for someone who treats infrastructure as a product, sees systems as leverage, and thrives in constraint‑heavy, mission‑critical environments.

Job Responsibility

Building and automating the platform: Design, provision, and manage cloud and on‑prem environments with Terraform and Ansible
operate secure, resilient Kubernetes clusters for multi‑level deployments
Designing and evolving CI/CD: Reduce lead time and maintain strict gates and environment parity by improving pipelines in GitLab CI/CD, Jenkins, and GitHub Actions
Upholding reliability, security, and compliance: Partner with SREs to implement monitoring, logging, and alerting (Prometheus, Grafana, ELK/Datadog)
embed RMF and STIG controls into automation and day‑to‑day operations
Operating and optimizing our footprint: Manage AWS/Azure/GCP resources and on‑prem networks. Balance cost, performance, and security while unblocking product teams
Supporting the team, documenting, and mentoring: Triage and resolve complex platform issues
write clear docs for architectures and runbooks
share context and mentor teammates

Requirements

5+ years in Platform, DevOps, or Site Reliability Engineering with an infrastructure and operations focus
Proven partner to DevOps/SRE and application teams
collaborates well across functions and shares context openly
Clear, concise writing
strong documentation habits and async communication
Infrastructure as Code: Terraform (or CloudFormation), Ansible
Containers and orchestration: Docker
Kubernetes design, deployment, and operations
CI/CD: experience building and maintaining pipelines (GitLab CI/CD, Jenkins, GitHub Actions)
Scripting: proficiency with at least one of Python, Go, or Bash
Cloud and on‑prem: AWS, Azure, or Google Cloud
familiarity with on‑prem virtualization
Observability: Prometheus, Grafana, ELK stack, or Datadog
Networking fundamentals: core protocols and secure configurations
Must have a Secret Clearance and be eligible for a TS/SCI clearance

Nice to have

Experience in DoD environments and compliance frameworks (RMF, STIGs, ICD 503)
GitOps practices and toolchains
Security‑minded design for sensitive environments
Service mesh exposure (Istio, Linkerd)
Relevant certifications (e.g., AWS DevOps Engineer, CKA/CKAD)
Strong interpersonal skills
comfortable collaborating across diverse teams

What we offer

Flexible Work Environment: Remote work with flexible hours and unlimited PTO
Comprehensive Health Coverage: Health, dental, vision, and life insurance
Retirement Plan: 401(k) plan to secure your future
Parental Leave: 8 weeks at 100% regardless of state
Company Retreats: Annual company summit trips
Home Office Budget: $1,000 per year for home office improvements
Offers Equity

Onebrief - All Job Offers

Select Country

Senior Platform Engineer

Job Description

Job Responsibility

Requirements

Nice to have

What we offer

Looking for more opportunities?