Senior DevSecOps Engineer

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

• You will be instrumental in building NGA’s EA Digital Twin capability, modeling the future-state enterprise and delivering the unified Digital Engineering environment the IC and DoW have sought for years.

• You will operate at the strategic level while remaining deeply technical, becoming a critical force multiplier for the Chief Architect and for NGA’s Digital Transformation journey. 

• Leads the architecture, deployment, and sustainment of the Cloud Native Platform (CNP) powering Model-Based Systems Engineering (MBSE), enterprise data integration, Digital Threads, and future Digital Twin operations. 

• Build and mature a secure, federated, multi-cloud platform that enables enterprise-scale Digital Engineering workflows, authoritative data synchronization and Zero Trust enforcement across multiple enclaves. 

• Serves as the technical authority for NGA’s CNP, responsible for designing, hardening, deploying and operating the hybrid, multi-cloud platform foundational to the DEE. 

• This role integrates cloud native infrastructure, Kubernetes orchestration, identity and access services, telemetry pipelines, DevSecOps automation and platform governance to support enterprise modeling, data fabric and Digital Thread execution.

• Lead a small but highly skilled team of cloud/platform engineers and collaborate tightly with MBSE leads, data engineers, cyber, enterprise architects and mission area stakeholders to deliver a secure, scalable and resilient DEE platform. 

• Platform Architecture Leadership: Own the design, implementation, and evolution of the Cloud Native Platform (CNP), enabling secure, scalable, multi-cloud operations across AWS, Azure, on-prem, and classified enclaves. 

• Kubernetes & Multi-Cloud Engineering: Deploy, harden, and operate Kubernetes environments, service mesh, GitOps and OTEL stacks to ensure reliable, governed platform execution. 

• Identity, Access & Zero Trust Enforcement: Implement and manage identity federation, enforce Zero Trust policies, manage secrets, certificates, hardened containers (IronBank) and Policy as Code (PaC). 

• DevSecOps & Automation: Lead CI/CD, Infrastructure as Code (IaC) and Configuration as Code (CaC) pipelines, platform automation, onboarding workflows and environment lifecycle management 

• Platform Operations & Resilience: Deliver high availability, scalability, monitoring/observability, cost optimization, license management and environment reliability across multiple enclaves and mission threads 

• Integration with Enterprise Architecture, Data & MBSE: Work closely with MBSE, data fabric and EA teams to ensure platform services support Digital Threads, automated data pipelines, authoritative data stores and model-driven execution 

• Security & Accreditation: Partner with ISSO/cyber engineers to enforce JSIG PL3/PL4 compliance, CSfC guidance, enclave boundary controls, OTEL, security, patching and ongoing accreditation workflows. 

• Stakeholder & Vendor Coordination: Collaborate with cross-agency stakeholders, provide technical direction to vendors, resolve integration issues and drive platform capabilities toward enterprise-level interoperability. 

• Bachelor’s degree in Computer Science, Engineering, or related field; and 8+ years in cloud/platform engineering.

• DoD Compliance: Desired to meet DoD 8140/8570 requirements for an IAM Level III position (ISC2 CISSP or equivalent).  

• 5+ years’ experience leading cloud native platform development and operations. 

• Deep experience with Kubernetes orchestration and associated tech stack including service mesh, GitOps, and multi-cloud operations. 

• Hands-on experience with IaC/CaC (Terraform, Helm, Dockerfiles), CI/CD (GitLab) and automation pipelines. 

• Strong understanding of Zero Trust architectures, identity federation, secrets management, certificate services and policy-as-code. 

• Experience operating secure cloud-native environments in classified or high-compliance settings. 

• Experience working on Scrum or Agile development team.

• Experience with Azure Gov, AWS GovCloud, on-prem Kubernetes (Ex: RKE2, NKP) and air-gap management.

• Familiarity with observability stacks (Grafana, Prometheus, OpenTelemetry), hardened container repositories and license servers (FlexLM).

• Experience integrating platform capabilities with enterprise data fabrics, Digital Threads or MBSE environments. 

• Experience collaborating with data engineers, MBSE teams, and enterprise architects and Agile/Scrum experience.

• Background supporting DevSecOps in DoD, IC or large-scale engineering ecosystems.

• Strong ability to guide roadmap development, platform governance and enterprise onboarding processes.

• Must be U.S. citizen with an active TS/SCI clearance and be eligible to obtain a CI Poly.