Sr. DevSecOps Engineer (AWS / Amazon EMR / Spark)

Clearance Required: Public Trust 

US Citizenship: Required

About One Dynamic

One Dynamic is a Service-Disabled Veteran-Owned Small Business (SDVOSB) headquartered in Fairfax, VA, specializing in digital transformation, cloud infrastructure, quality assurance, and enterprise architecture. We serve federal and healthcare organizations as a trusted partner for mission-critical technology initiatives. Join a team that delivers modern, secure, cloud-native solutions on high-impact government programs.

Position Overview

We are seeking aSenior DevSecOps Engineer to secure, automate, and scale cloud-native data platforms on AWS. This role centers on hardening and operatingAmazon EMR (Spark) andOpenSearch workloads, building secure CI/CD pipelines, managing infrastructure-as-code, and embedding security throughout the delivery lifecycle. You'll work in a JVM-based codebase (Java/Kotlin/Scala), so a solid software-engineering foundation is required — but the emphasis is oncloud, security, and platform reliability. This role supports a federal program andrequires the ability to obtain and maintain a Public Trust clearance.

Required Experience and Skills

Cloud & Infrastructure

• Strong hands-on experience withAWS services:EC2, S3, IAM, VPC, EKS
• Experiencesecuring and scaling Amazon EMR (Spark) andOpenSearch
• Proven experience managingKubernetes andDocker in production
• Infrastructure as Code: proficiency withTerraform orCloudFormation

Security (DevSecOps)

• Strong understanding ofencryption, secret management, and network security
• Experience embedding security controls into build, deploy, and runtime workflows

CI/CD & Automation

• Experience withHarness (or comparable CD tooling) andGit-based workflows
• Strong version control practices withGit

Data & Development Foundation

• Working knowledge ofApache Spark core concepts:RDDs, DataFrames, Spark SQL
• Proficiency inSQL and experience with relational databases
• 5+ years of software development experience in a JVM environment (Java, Kotlin, Scala) with exposure to functional programming concepts
• Strong problem-solving, analytical, communication, and collaboration skills

Preferred / Nice-to-Have

• Prior experience with federal or regulated (healthcare) cloud programs
• Deep Scala ecosystem knowledge (frameworks and libraries)
• Experience scaling big-data pipelines and observability for Spark/EMR
• Familiarity with cloud security frameworks and compliance (e.g., FedRAMP, NIST 800-53)

Clearance & Eligibility

• Must be able toobtain and maintain a Public Trust clearance
• Must be authorized to work in the United States without sponsorship
• US citizenship required

What We Offer

• Competitive compensation: $135K–$150K
• High-impact work on mission-critical federal programs
• Collaborative, engineering-driven culture
  
  One Dynamic is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.