Software Engineer (DevSec Ops)

Modern Technology Solutions, Inc. (MTSI)
Huntsville, Alabama, United StatesFull-timePosted Sep 18, 2026

About the role

MTSI is seeking to hire a Software Engineer (DevSecOps) with a strong background in secure cloud platform engineering, Kubernetes operations, and policy‑as‑code enforcement. This senior role supports mission‑critical defense programs and requires deep technical expertise, leadership ability, and hands-on experience in high-assurance environments.

Key Responsibilities

Manage and operate Azure Government (IL5) and Azure Secret (IL6) environments

Architect secure Kubernetes platforms using FluxCD, GitLab CI/CD, and GitOps methodologies

Build and maintain Terraform configurations for Azure, GitLab, Artifactory, and developer platforms

Deploy and administer Coder Enterprise v2 for secure cloud-based development

Develop hardened container images and Helm releases for regulated workloads

Implement policy‑as‑code using OPA, Rego, Gatekeeper, and advanced validation pipelines

Engineer air-gapped deployment workflows and secure artifact transfer mechanisms

Collaborate across teams to ensure compliance, security, and platform reliability

Required Qualifications

Must be able to obtain and maintain a secret level clearance

US citizenship is required.

Bachelor's degree in computer science or related STEM field.

6+ years of experience in software engineering, DevSecOps, or secure cloud/platform engineering

Security+ certification is required.

Preferred Qualifications

10+ years of relevant professional experience

Masters degree

active Secret or TS level clearance

Experience supporting Department of Defense or intelligence community systems

Responsibilities

  • Manage and operate Azure Government (IL5) and Azure Secret (IL6) environments
  • Architect secure Kubernetes platforms using FluxCD, GitLab CI/CD, and GitOps methodologies
  • Build and maintain Terraform configurations for Azure, GitLab, Artifactory, and developer platforms
  • Deploy and administer Coder Enterprise v2 for secure cloud-based development
  • Develop hardened container images and Helm releases for regulated workloads
  • Implement policy‑as‑code using OPA, Rego, Gatekeeper, and advanced validation pipelines
  • Engineer air-gapped deployment workflows and secure artifact transfer mechanisms
  • Collaborate across teams to ensure compliance, security, and platform reliability

Qualifications

  • Must be able to obtain and maintain a secret level clearance
  • US citizenship is required
  • Bachelor's degree in computer science or related STEM field
  • 6+ years of experience in software engineering, DevSecOps, or secure cloud/platform engineering
  • Security+ certification is required

Skills mentioned

Microsoft AzureKubernetesTerraformCI/CDContainerizationDockerHelmInfrastructure as CodeCloud SecurityDevOps

About Modern Technology Solutions, Inc. (MTSI)

Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and technology solutions company delivering first-choice capabilities to solve problems of global importance in the critical mission areas of missile defense, cyber security, intelligence, unmanned/autonomous systems, aviation, space, and homeland security. The MTSI mission is to make important and lasting contributions to the nation's defense and security by providing leadership and best- value solutions to solve America's most technically challenging strategic problems. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide. For more information about MTSI, please visit www.mtsi-va.com. For current MTSI job openings, please visit www.mtsi-va.com/careers.

Space Research and Technology1,001-5,000 employeesAlexandria, VA