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Senior DevSecOps Engineer

Modern Technology Solutions
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Springfield, VA, USA
Sep 21, 2026
Modern Technology Solutions, Inc. (MTSI) is hiring a Senior DevSecOps Engineer to work in Springfield, VA. Qualified candidates must be U.S. citizens with an active TS/SCI clearance and be eligible to obtain a CI Poly.

Responsibilities:
  • Build and operate the Cloud Native Platform (CNP), a Digital Engineering Ecosystem supporting NGA.
  • This role delivers platform configuration, CI/CD integration, automation, infrastructure support, and operational environment management, hardened to Zero Trust Architecture (ZTA) standards, across multi-cloud and on-prem environments. 
  • Leads the technical/engineering portion of major platform workstreams and ensures deliverables meet established quality standards within time and budget constraints.
  • Design and deploy a unified Cloud Native Platform enabling Enterprise Architecture and Business Intelligence capabilities across new and existing multi-cloud environments.
  • Stand up and operate Kubernetes clusters (EKS, AKS, RKE2, or NKP) with GitOps-based deployment, service mesh/ingress/egress, and observability tooling.
  • Implement identity and access management integration (e.g., Keycloak or Azure Entra ID) and secrets management (e.g., HashiCorp Vault or Azure Key Vault).
  • Harden the platform in accordance with DoD Zero Trust Architecture (ZTA) guidance, leveraging hardened container images and Kubernetes policy enforcement.
  • Build and maintain Infrastructure as Code / Configuration as Code (IaC/CaC) for platform components.
  • Support air-gapped/disconnected environment management and license management tooling.
  • Deliver CI/CD pipelines, automation, and operational support enabling telemetry, inventory management, and centralized access services as the platform matures.
  • Support onboarding, help desk integration, high availability/disaster recovery, and a unified portal experience as the platform scales to support a growing user base and external stakeholders.

Required Qualifications: 
  • Bachelor's degree in Computer Science, Computer Engineering, or a related field, or additional relevant experience in lieu of a degree.
  • 10+ years of platform engineering, cloud infrastructure, or DevSecOps experience.
  • Hands-on experience deploying and operating Kubernetes in production (EKS, AKS, RKE2, NKP, or comparable), including GitOps workflows.
  • Experience implementing Zero Trust Architecture principles, including identity federation, secrets management, and policy enforcement.
  • Strong background in CI/CD pipeline design, Infrastructure as Code (Terraform, Ansible, or comparable), and container image hardening/supply chain security.

Desired Qualifications:
  • Experience supporting NGA, DoD, or Intelligence Community cloud environments and Authority to Operate (ATO)/compliance processes.
  • Familiarity with service mesh technologies (Istio) and observability stacks (Grafana, Prometheus, OpenTelemetry).
  • Experience with license management tooling and air-gap update/patch management.
  • Relevant certifications: CKA/CKAD, AWS/Azure cloud certifications, or DevSecOps-focused certifications (e.g., Security+, CASP+).
  • Experience supporting help desk/ITSM tooling for platform onboarding and support.

Clearance Requirements:
  • Qualified candidates must be U.S. citizens with an active TS/SCI clearance and have the ability to pass a CI polygraph within 30 days.

The pay range for this position is $130,000 to $190,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled. 


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Job ID

1133915071988
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